ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor2449969988 <...> Warning: Permanently added '10.128.0.123' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor2449969988", ["ci2-android-5-10/syz-executor2449969988"], 0x7ffc5f6c5350 /* 10 vars */) = 0 brk(NULL) = 0x55558c722000 brk(0x55558c722d40) = 0x55558c722d40 arch_prctl(ARCH_SET_FS, 0x55558c7223c0) = 0 set_tid_address(0x55558c722690) = 297 set_robust_list(0x55558c7226a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-10/syz-executor2449969988", 4096) = 45 getrandom("\x96\x1b\x21\x9f\x71\x20\xf3\x93", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558c722d40 brk(0x55558c743d40) = 0x55558c743d40 brk(0x55558c744000) = 0x55558c744000 mprotect(0x7f6d48df6000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 298 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55558c7226a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 executing program [pid 298] write(1, "executing program\n", 18) = 18 [pid 298] mkdir("./config", 0777) = 0 [pid 298] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 298] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 298] rmdir("./config/usb_gadget/g2") = 0 [pid 298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [ 26.336010][ T24] audit: type=1400 audit(1786111036.080:64): avc: denied { execmem } for pid=297 comm="syz-executor244" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 26.359001][ T24] audit: type=1400 audit(1786111036.110:65): avc: denied { mounton } for pid=298 comm="syz-executor244" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 26.383765][ T24] audit: type=1400 audit(1786111036.110:66): avc: denied { mount } for pid=298 comm="syz-executor244" name="/" dev="configfs" ino=14098 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 26.390118][ T298] ================================================================== [ 26.413021][ T24] audit: type=1400 audit(1786111036.120:67): avc: denied { search } for pid=298 comm="syz-executor244" name="/" dev="configfs" ino=14098 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 26.414986][ T298] BUG: KASAN: use-after-free in kobject_get+0x113/0x120 [ 26.437854][ T24] audit: type=1400 audit(1786111036.120:68): avc: denied { write } for pid=298 comm="syz-executor244" name="usb_gadget" dev="configfs" ino=14099 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 26.444529][ T298] Read of size 1 at addr ffff88812114883c by task syz-executor244/298 [ 26.444532][ T298] [ 26.444554][ T298] CPU: 0 PID: 298 Comm: syz-executor244 Not tainted syzkaller #0 [ 26.444579][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 26.468387][ T24] audit: type=1400 audit(1786111036.120:69): avc: denied { add_name } for pid=298 comm="syz-executor244" name="g2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 26.475797][ T298] Call Trace: [ 26.478477][ T24] audit: type=1400 audit(1786111036.120:70): avc: denied { create } for pid=298 comm="syz-executor244" name="g2" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 26.485997][ T298] __dump_stack+0x21/0x24 [ 26.496230][ T24] audit: type=1400 audit(1786111036.130:71): avc: denied { remove_name } for pid=298 comm="syz-executor244" name="g2" dev="configfs" ino=14520 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 26.516614][ T298] dump_stack_lvl+0x1a7/0x208 [ 26.516661][ T298] ? show_regs_print_info+0x18/0x18 [ 26.519991][ T24] audit: type=1400 audit(1786111036.130:72): avc: denied { rmdir } for pid=298 comm="syz-executor244" name="g2" dev="configfs" ino=14520 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 26.539967][ T298] ? thaw_kernel_threads+0x220/0x220 [ 26.539980][ T298] print_address_description+0x7f/0x2c0 [ 26.539992][ T298] ? kobject_get+0x113/0x120 [ 26.540003][ T298] kasan_report+0x100/0x140 [ 26.540013][ T298] ? kobject_get+0x113/0x120 [ 26.540056][ T298] __asan_report_load1_noabort+0x14/0x20 [ 26.629806][ T298] kobject_get+0x113/0x120 [ 26.634219][ T298] device_add+0x331/0xc00 [ 26.638543][ T298] ? kobject_set_name_vargs+0xca/0x110 [ 26.643995][ T298] device_create+0x26c/0x300 [ 26.648579][ T298] ? root_device_unregister+0x80/0x80 [ 26.653963][ T298] create_function_device+0x60/0x70 [ 26.659154][ T298] f_midi_alloc_inst+0x1a8/0x380 [ 26.664086][ T298] usb_get_function_instance+0xe2/0x2f0 [ 26.669625][ T298] function_make+0x118/0x350 [ 26.674214][ T298] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 26.680536][ T298] ? mutex_trylock+0xb0/0xb0 [ 26.685160][ T298] ? configfs_mkdir+0x504/0xd90 [ 26.690032][ T298] configfs_mkdir+0x5d2/0xd90 [ 26.694733][ T298] ? show_sid+0x1b0/0x1b0 [ 26.699102][ T298] ? configfs_lookup+0x500/0x500 [ 26.704059][ T298] ? __lookup_hash+0x122/0x250 [ 26.708843][ T298] ? security_inode_mkdir+0xbd/0x110 [ 26.714148][ T298] vfs_mkdir+0x42c/0x600 [ 26.718411][ T298] do_mkdirat+0x14c/0x340 [ 26.722765][ T298] __x64_sys_mkdirat+0x7b/0x90 [ 26.727546][ T298] do_syscall_64+0x31/0x40 [ 26.731977][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.737890][ T298] RIP: 0033:0x7f6d48d635c9 [ 26.742318][ T298] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 26.761944][ T298] RSP: 002b:00007ffeaac9ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 26.770376][ T298] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007f6d48d635c9 [ 26.778355][ T298] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 26.786333][ T298] RBP: 0032672f74656764 R08: 0000000000000006 R09: 0000000000000006 [ 26.794309][ T298] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffeaaca0078 [ 26.802289][ T298] R13: 431bde82d7b634db R14: 00007f6d48df6c40 R15: 0000000000000002 [ 26.810269][ T298] [ 26.812611][ T298] Allocated by task 298: [ 26.816880][ T298] __kasan_kmalloc+0xd4/0x100 [ 26.821592][ T298] kmem_cache_alloc_trace+0x179/0x2e0 [ 26.826973][ T298] device_create+0x13a/0x300 [ 26.831568][ T298] gadgets_make+0x816/0xa70 [ 26.836077][ T298] configfs_mkdir+0x5d2/0xd90 [ 26.840759][ T298] vfs_mkdir+0x42c/0x600 [ 26.845009][ T298] do_mkdirat+0x14c/0x340 [ 26.849367][ T298] __x64_sys_mkdir+0x60/0x70 [ 26.853975][ T298] do_syscall_64+0x31/0x40 [ 26.858404][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.864296][ T298] [ 26.866646][ T298] Freed by task 298: [ 26.870550][ T298] kasan_set_track+0x4a/0x70 [ 26.875155][ T298] kasan_set_free_info+0x23/0x40 [ 26.880097][ T298] ____kasan_slab_free+0x125/0x160 [ 26.885218][ T298] __kasan_slab_free+0x11/0x20 [ 26.890008][ T298] slab_free_freelist_hook+0xc5/0x190 [ 26.895383][ T298] kfree+0xc0/0x270 [ 26.899198][ T298] device_create_release+0x15/0x20 [ 26.904336][ T298] device_release+0x96/0x1c0 [ 26.908929][ T298] kobject_put+0x18a/0x270 [ 26.913362][ T298] device_destroy+0xb4/0xf0 [ 26.917895][ T298] gadgets_drop+0xa0/0xd0 [ 26.922236][ T298] configfs_rmdir+0x871/0x960 [ 26.926920][ T298] vfs_rmdir+0x1ab/0x3c0 [ 26.931168][ T298] do_rmdir+0x232/0x630 [ 26.935333][ T298] __x64_sys_rmdir+0x49/0x50 [ 26.939932][ T298] do_syscall_64+0x31/0x40 [ 26.944354][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.950240][ T298] [ 26.952576][ T298] The buggy address belongs to the object at ffff888121148800 [ 26.952576][ T298] which belongs to the cache kmalloc-1k of size 1024 [ 26.966643][ T298] The buggy address is located 60 bytes inside of [ 26.966643][ T298] 1024-byte region [ffff888121148800, ffff888121148c00) [ 26.979909][ T298] The buggy address belongs to the page: [ 26.985561][ T298] page:ffffea0004845200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x121148 [ 26.995793][ T298] head:ffffea0004845200 order:3 compound_mapcount:0 compound_pincount:0 [ 27.004128][ T298] flags: 0x4000000000010200(slab|head) [ 27.009602][ T298] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042f00 [ 27.018191][ T298] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 27.026771][ T298] page dumped because: kasan: bad access detected [ 27.033180][ T298] page_owner tracks the page as allocated [ 27.038993][ T298] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 294, ts 26358806160, free_ts 0 [ 27.057152][ T298] prep_new_page+0x176/0x190 [ 27.061743][ T298] get_page_from_freelist+0x225f/0x23f0 [ 27.067299][ T298] __alloc_pages_nodemask+0x29a/0x640 [ 27.072677][ T298] new_slab+0x84/0x3f0 [ 27.076755][ T298] ___slab_alloc+0x2f8/0x4c0 [ 27.081348][ T298] __slab_alloc+0x63/0xa0 [ 27.085768][ T298] __kmalloc_track_caller+0x1e4/0x310 [ 27.091146][ T298] __alloc_skb+0xdc/0x520 [ 27.095479][ T298] sk_stream_alloc_skb+0x216/0xb70 [ 27.100597][ T298] tcp_sendmsg_locked+0xc92/0x34e0 [ 27.105708][ T298] tcp_sendmsg+0x2f/0x50 [ 27.109953][ T298] inet_sendmsg+0xa5/0xc0 [ 27.114298][ T298] sock_write_iter+0x2a6/0x3a0 [ 27.119063][ T298] vfs_write+0x770/0xd70 [ 27.123395][ T298] ksys_write+0x14a/0x260 [ 27.127725][ T298] __x64_sys_write+0x7b/0x90 [ 27.132315][ T298] page_owner free stack trace missing [ 27.137682][ T298] [ 27.140006][ T298] Memory state around the buggy address: [ 27.145637][ T298] ffff888121148700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.153710][ T298] ffff888121148780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.161776][ T298] >ffff888121148800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.169831][ T298] ^ [ 27.175727][ T298] ffff888121148880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.183795][ T298] ffff888121148900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.191852][ T298] ================================================================== [ 27.199921][ T298] Disabling lock debugging due to kernel taint [ 27.206305][ T298] ------------[ cut here ]------------ [ 27.211993][ T298] refcount_t: addition on 0; use-after-free. [ 27.218180][ T298] WARNING: CPU: 0 PID: 298 at lib/refcount.c:25 refcount_warn_saturate+0x104/0x1a0 [ 27.222835][ T24] audit: type=1400 audit(1786111036.970:73): avc: denied { read } for pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 27.227643][ T298] Modules linked in: [ 27.227660][ T298] CPU: 0 PID: 298 Comm: syz-executor244 Tainted: G B syzkaller #0 [ 27.227674][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.273035][ T298] RIP: 0010:refcount_warn_saturate+0x104/0x1a0 [ 27.279316][ T298] Code: 04 01 48 c7 c7 e0 48 40 85 e8 b8 d3 3a 02 0f 0b eb df e8 9f 92 26 ff c6 05 3c 80 82 04 01 48 c7 c7 20 48 40 85 e8 9c d3 3a 02 <0f> 0b eb c3 e8 83 92 26 ff c6 05 21 80 82 04 01 48 c7 c7 80 48 40 [ 27.299010][ T298] RSP: 0018:ffffc90000b97950 EFLAGS: 00010246 [ 27.305074][ T298] RAX: d50cb73a9d8f3100 RBX: 0000000000000002 RCX: ffff88811afa93c0 [ 27.313095][ T298] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.321096][ T298] RBP: ffffc90000b97960 R08: ffffc90000b972e7 R09: fffff52000172e90 [ 27.329111][ T298] R10: dffffc0000000000 R11: fffff52000172e5d R12: 0000000000000000 [ 27.337101][ T298] R13: ffff88810b1f9068 R14: 0000000000000002 R15: 0000000000000000 [ 27.345106][ T298] FS: 000055558c7223c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 27.354066][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.360677][ T298] CR2: 00007f2f765477b0 CR3: 000000011bdfa000 CR4: 00000000003506b0 [ 27.369258][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.377234][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.385240][ T298] Call Trace: [ 27.388555][ T298] kobject_get+0xfb/0x120 [ 27.392880][ T298] device_add+0x331/0xc00 [ 27.397211][ T298] ? kobject_set_name_vargs+0xca/0x110 [ 27.402705][ T298] device_create+0x26c/0x300 [ 27.407351][ T298] ? root_device_unregister+0x80/0x80 [ 27.412780][ T298] create_function_device+0x60/0x70 [ 27.418044][ T298] f_midi_alloc_inst+0x1a8/0x380 [ 27.422994][ T298] usb_get_function_instance+0xe2/0x2f0 [ 27.428601][ T298] function_make+0x118/0x350 [ 27.433209][ T298] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 27.439571][ T298] ? mutex_trylock+0xb0/0xb0 [ 27.444178][ T298] ? configfs_mkdir+0x504/0xd90 [ 27.449072][ T298] configfs_mkdir+0x5d2/0xd90 [ 27.453774][ T298] ? show_sid+0x1b0/0x1b0 [ 27.458162][ T298] ? configfs_lookup+0x500/0x500 [ 27.463128][ T298] ? __lookup_hash+0x122/0x250 [ 27.467886][ T298] ? security_inode_mkdir+0xbd/0x110 [ 27.473202][ T298] vfs_mkdir+0x42c/0x600 [ 27.477465][ T298] do_mkdirat+0x14c/0x340 [ 27.481849][ T298] __x64_sys_mkdirat+0x7b/0x90 [ 27.486629][ T298] do_syscall_64+0x31/0x40 [ 27.491097][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.497002][ T298] RIP: 0033:0x7f6d48d635c9 [ 27.501467][ T298] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 27.521107][ T298] RSP: 002b:00007ffeaac9ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 27.529562][ T298] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007f6d48d635c9 [ 27.537556][ T298] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 27.545559][ T298] RBP: 0032672f74656764 R08: 0000000000000006 R09: 0000000000000006 [ 27.553569][ T298] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffeaaca0078 [ 27.561585][ T298] R13: 431bde82d7b634db R14: 00007f6d48df6c40 R15: 0000000000000002 [ 27.569598][ T298] ---[ end trace bf5598d12ababef9 ]--- [ 27.575046][ T298] ------------[ cut here ]------------ [ 27.580548][ T298] refcount_t: saturated; leaking memory. [ 27.586327][ T298] WARNING: CPU: 0 PID: 298 at lib/refcount.c:22 refcount_warn_saturate+0x158/0x1a0 [ 27.595870][ T298] Modules linked in: [ 27.599901][ T298] CPU: 0 PID: 298 Comm: syz-executor244 Tainted: G B W syzkaller #0 [ 27.609046][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.619159][ T298] RIP: 0010:refcount_warn_saturate+0x158/0x1a0 [ 27.625305][ T298] Code: 04 01 48 c7 c7 a0 47 40 85 e8 64 d3 3a 02 0f 0b eb 8b e8 4b 92 26 ff c6 05 e7 7f 82 04 01 48 c7 c7 a0 47 40 85 e8 48 d3 3a 02 <0f> 0b e9 6c ff ff ff e8 2c 92 26 ff c6 05 cc 7f 82 04 01 48 c7 c7 [ 27.645071][ T298] RSP: 0018:ffffc90000b97818 EFLAGS: 00010246 [ 27.651164][ T298] RAX: d50cb73a9d8f3100 RBX: 0000000000000001 RCX: ffff88811afa93c0 [ 27.659170][ T298] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 27.667166][ T298] RBP: ffffc90000b97828 R08: ffff8881f7052fbf R09: 1ffff1103ee0a5f7 [ 27.675188][ T298] R10: dffffc0000000000 R11: ffffed103ee0a5f8 R12: 00000000c0000000 [ 27.683187][ T298] R13: ffff88810b1f9018 R14: 0000000000000001 R15: ffff888121148838 [ 27.691187][ T298] FS: 000055558c7223c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 27.700152][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.706740][ T298] CR2: 00007f2f765477b0 CR3: 000000011bdfa000 CR4: 00000000003506b0 [ 27.714883][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.722930][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.730950][ T298] Call Trace: [ 27.734265][ T298] kobject_add_internal+0xc44/0xde0 [ 27.739505][ T298] ? kobject_set_name_vargs+0x4c/0x110 [ 27.744981][ T298] kobject_add+0x165/0x230 [ 27.749449][ T298] ? kobject_init+0x1d0/0x1d0 [ 27.754166][ T298] ? __asan_report_load8_noabort+0x14/0x20 [ 27.760017][ T298] ? get_device_parent+0x12e/0x410 [ 27.765179][ T298] device_add+0x3d8/0xc00 [ 27.769547][ T298] ? kobject_set_name_vargs+0xca/0x110 [ 27.775037][ T298] device_create+0x26c/0x300 [ 27.780027][ T298] ? root_device_unregister+0x80/0x80 [ 27.785518][ T298] create_function_device+0x60/0x70 [ 27.790885][ T298] f_midi_alloc_inst+0x1a8/0x380 [ 27.795846][ T298] usb_get_function_instance+0xe2/0x2f0 [ 27.801438][ T298] function_make+0x118/0x350 [ 27.806053][ T298] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 27.812419][ T298] ? mutex_trylock+0xb0/0xb0 [ 27.817027][ T298] ? configfs_mkdir+0x504/0xd90 [ 27.821921][ T298] configfs_mkdir+0x5d2/0xd90 [ 27.826616][ T298] ? show_sid+0x1b0/0x1b0 [ 27.830981][ T298] ? configfs_lookup+0x500/0x500 [ 27.835935][ T298] ? __lookup_hash+0x122/0x250 [ 27.840771][ T298] ? security_inode_mkdir+0xbd/0x110 [ 27.846078][ T298] vfs_mkdir+0x42c/0x600 [ 27.850394][ T298] do_mkdirat+0x14c/0x340 [ 27.854750][ T298] __x64_sys_mkdirat+0x7b/0x90 [ 27.859563][ T298] do_syscall_64+0x31/0x40 [ 27.863991][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.870008][ T298] RIP: 0033:0x7f6d48d635c9 [ 27.874453][ T298] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 27.894257][ T298] RSP: 002b:00007ffeaac9ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 27.902733][ T298] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007f6d48d635c9 [ 27.910746][ T298] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [ 27.918747][ T298] RBP: 0032672f74656764 R08: 0000000000000006 R09: 0000000000000006 [ 27.926719][ T298] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffeaaca0078 [ 27.934756][ T298] R13: 431bde82d7b634db R14: 00007f6d48df6c40 R15: 0000000000000002 [ 27.942893][ T298] ---[ end trace bf5598d12ababefa ]--- [ 27.948392][ T298] ------------[ cut here ]------------ [ 27.953887][ T298] refcount_t: underflow; use-after-free. [ 27.959677][ T298] WARNING: CPU: 0 PID: 298 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 27.968997][ T298] Modules linked in: [ 27.972897][ T298] CPU: 0 PID: 298 Comm: syz-executor244 Tainted: G B W syzkaller #0 [ 27.982133][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.992278][ T298] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 27.998474][ T298] Code: 04 01 48 c7 c7 20 48 40 85 e8 9c d3 3a 02 0f 0b eb c3 e8 83 92 26 ff c6 05 21 80 82 04 01 48 c7 c7 80 48 40 85 e8 80 d3 3a 02 <0f> 0b eb a7 e8 67 92 26 ff c6 05 02 80 82 04 01 48 c7 c7 a0 47 40 [ 28.018138][ T298] RSP: 0018:ffffc90000b977e0 EFLAGS: 00010246 [ 28.024201][ T298] RAX: d50cb73a9d8f3100 RBX: 0000000000000003 RCX: ffff88811afa93c0 [ 28.032307][ T298] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 28.040332][ T298] RBP: ffffc90000b977f0 R08: ffffc90000b97167 R09: fffff52000172e60 [ 28.048352][ T298] R10: dffffc0000000000 R11: fffff52000172e2d R12: 00000000c0000000 [ 28.056348][ T298] R13: ffff88812114883c R14: 0000000000000003 R15: ffff888121148838 [ 28.064359][ T298] FS: 000055558c7223c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 28.073319][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.079970][ T298] CR2: 00007f2f765477b0 CR3: 000000011bdfa000 CR4: 00000000003506b0 [ 28.087960][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.095985][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.103984][ T298] Call Trace: [ 28.107270][ T298] kobject_put+0x231/0x270 [ 28.111735][ T298] kobject_add_internal+0xb52/0xde0 [ 28.116950][ T298] kobject_add+0x165/0x230 [ 28.121400][ T298] ? kobject_init+0x1d0/0x1d0 [ 28.126086][ T298] ? __asan_report_load8_noabort+0x14/0x20 [ 28.131921][ T298] ? get_device_parent+0x12e/0x410 [ 28.137043][ T298] device_add+0x3d8/0xc00 [ 28.141413][ T298] ? kobject_set_name_vargs+0xca/0x110 [ 28.146903][ T298] device_create+0x26c/0x300 [ 28.151551][ T298] ? root_device_unregister+0x80/0x80 [ 28.156941][ T298] create_function_device+0x60/0x70 [ 28.162175][ T298] f_midi_alloc_inst+0x1a8/0x380 [ 28.167135][ T298] usb_get_function_instance+0xe2/0x2f0 [ 28.172727][ T298] function_make+0x118/0x350 [ 28.177330][ T298] ? gadget_dev_desc_max_speed_store+0x240/0x240 [ 28.183794][ T298] ? mutex_trylock+0xb0/0xb0 [ 28.188419][ T298] ? configfs_mkdir+0x504/0xd90 [ 28.193267][ T298] configfs_mkdir+0x5d2/0xd90 [ 28.198074][ T298] ? show_sid+0x1b0/0x1b0 [ 28.202420][ T298] ? configfs_lookup+0x500/0x500 [ 28.207350][ T298] ? __lookup_hash+0x122/0x250 [ 28.212185][ T298] ? security_inode_mkdir+0xbd/0x110 [ 28.217490][ T298] vfs_mkdir+0x42c/0x600 [ 28.221780][ T298] do_mkdirat+0x14c/0x340 [ 28.226137][ T298] __x64_sys_mkdirat+0x7b/0x90 [ 28.230953][ T298] do_syscall_64+0x31/0x40 [ 28.235384][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 28.241309][ T298] RIP: 0033:0x7f6d48d635c9 [ 28.245732][ T298] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 28.265379][ T298] RSP: 002b:00007ffeaac9ff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 28.273859][ T298] RAX: ffffffffffffffda RBX: 0000200000000100 RCX: 00007f6d48d635c9 [ 28.281874][ T298] RDX: 00000000000001ff RSI: 0000200000000100 RDI: 00000000ffffff9c [pid 298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 298] exit_group(0) = ? [pid 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=107 /* 1.07 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 301 attached , child_tidptr=0x55558c722690) = 301 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] set_robust_list(0x55558c7226a0, 24) = 0 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 executing program [pid 301] write(1, "executing program\n", 18) = 18 [pid 301] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 301] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 301] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 301] rmdir("./config/usb_gadget/g2") = 0 [pid 301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.289887][ T298] RBP: 0032672f74656764 R08: 0000000000000006 R09: 0000000000000006 [ 28.297882][ T298] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffeaaca0078 [ 28.305919][ T298] R13: 431bde82d7b634db R14: 00007f6d48df6c40 R15: 0000000000000002 [ 28.313929][ T298] ---[ end trace bf5598d12ababefb ]--- [ 28.319431][ T298] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.319431][ T298] *) [pid 301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 301] exit_group(0) = ? [pid 301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 302 attached , child_tidptr=0x55558c722690) = 302 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] set_robust_list(0x55558c7226a0, 24) = 0 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18) = 18 executing program [pid 302] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 302] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 302] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 302] rmdir("./config/usb_gadget/g2") = 0 [pid 302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 302] exit_group(0) = ? [pid 302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 303 ci2-android-5-10/strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x55558c7226a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] write(1, "executing program\n", 18) = 18 executing program [pid 303] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 303] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 303] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 303] <... mkdir resumed>) = 0 [pid 303] rmdir("./config/usb_gadget/g2") = 0 [pid 303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 28.341042][ T301] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.341042][ T301] *) [ 28.365686][ T302] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.365686][ T302] *) [ 28.387465][ T303] kobject_add_internal failed for f_midi (error: -2 parent: [pid 303] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 303] exit_group(0) = ? [pid 303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 304 ci2-android-5-10/strace-static-x86_64: Process 304 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] set_robust_list(0x55558c7226a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] write(1, "executing program\n", 18) = 18 executing program [pid 304] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 304] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 304] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 304] rmdir("./config/usb_gadget/g2") = 0 [pid 304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 304] exit_group(0) = ? [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 305 attached , child_tidptr=0x55558c722690) = 305 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] set_robust_list(0x55558c7226a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 executing program [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 305] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 305] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 305] rmdir("./config/usb_gadget/g2") = 0 [pid 305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.387465][ T303] *) [ 28.405114][ T304] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.405114][ T304] *) [pid 305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 305] exit_group(0) = ? [pid 305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 306 ci2-android-5-10/strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x55558c7226a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... prctl resumed>) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] write(1, "executing program\n", 18) = 18 executing program [pid 306] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 306] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 306] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rmdir("./config/usb_gadget/g2") = 0 [pid 306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 306] exit_group(0) = ? [pid 306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 307 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55558c7226a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 307] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 307] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 307] rmdir("./config/usb_gadget/g2") = 0 [pid 307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [ 28.435829][ T305] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.435829][ T305] *) [ 28.452654][ T306] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.452654][ T306] *) [ 28.477608][ T307] kobject_add_internal failed for f_midi (error: -2 parent: [pid 307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 307] exit_group(0) = ? [pid 307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 308 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x55558c7226a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 [pid 308] write(1, "executing program\n", 18) = 18 executing program [pid 308] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 308] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 308] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 308] rmdir("./config/usb_gadget/g2") = 0 [pid 308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 308] exit_group(0) = ? [pid 308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 309 attached , child_tidptr=0x55558c722690) = 309 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] set_robust_list(0x55558c7226a0, 24) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 [pid 309] write(1, "executing program\n", 18) = 18 executing program [pid 309] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 309] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 309] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 309] rmdir("./config/usb_gadget/g2") = 0 [pid 309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.477608][ T307] *) [ 28.502104][ T308] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.502104][ T308] *) [ 28.527196][ T309] kobject_add_internal failed for f_midi (error: -2 parent: [pid 309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 309] exit_group(0) = ? [pid 309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 310 attached , child_tidptr=0x55558c722690) = 310 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] set_robust_list(0x55558c7226a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] write(1, "executing program\n", 18) = 18 executing program [pid 310] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 310] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 310] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 310] rmdir("./config/usb_gadget/g2") = 0 [pid 310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 310] exit_group(0) = ? [pid 310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 311 ci2-android-5-10/strace-static-x86_64: Process 311 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 311] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 311] <... set_robust_list resumed>) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 [pid 311] write(1, "executing program\n", 18) = 18 executing program [pid 311] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 311] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 311] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 311] rmdir("./config/usb_gadget/g2") = 0 [pid 311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 311] exit_group(0) = ? [pid 311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 312 ci2-android-5-10/strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x55558c7226a0, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 [pid 312] write(1, "executing program\n", 18) = 18 [pid 312] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 312] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 312] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 312] <... mkdir resumed>) = 0 [ 28.527196][ T309] *) [ 28.549228][ T310] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.549228][ T310] *) [ 28.573889][ T311] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.573889][ T311] *) [pid 312] rmdir("./config/usb_gadget/g2") = 0 [pid 312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 312] exit_group(0) = ? [pid 312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 313 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x55558c7226a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 executing program [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 313] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 313] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 313] rmdir("./config/usb_gadget/g2") = 0 [pid 313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 313] exit_group(0) = ? [pid 313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 314 ci2-android-5-10/strace-static-x86_64: Process 314 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] set_robust_list(0x55558c7226a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 executing program [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 314] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 314] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 314] rmdir("./config/usb_gadget/g2") = 0 [pid 314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.593049][ T312] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.593049][ T312] *) [ 28.616901][ T313] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.616901][ T313] *) [pid 314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 314] exit_group(0) = ? [pid 314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 315 ci2-android-5-10/strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x55558c7226a0, 24) = 0 [pid 315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 315] <... setpgid resumed>) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 315] <... openat resumed>) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18) = 18 executing program [pid 315] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 315] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 315] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 315] rmdir("./config/usb_gadget/g2") = 0 [pid 315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 315] exit_group(0) = ? [pid 315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 316 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x55558c7226a0, 24) = 0 [pid 316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 316] setpgid(0, 0) = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3) = 0 [pid 316] write(1, "executing program\n", 18) = 18 executing program [pid 316] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 316] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 28.657689][ T314] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.657689][ T314] *) [ 28.683097][ T315] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.683097][ T315] *) [pid 316] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 316] rmdir("./config/usb_gadget/g2") = 0 [pid 316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 316] exit_group(0) = ? [pid 316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 317 ci2-android-5-10/strace-static-x86_64: Process 317 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] set_robust_list(0x55558c7226a0, 24) = 0 [pid 317] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 executing program [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 317] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 317] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 317] rmdir("./config/usb_gadget/g2") = 0 [pid 317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 317] exit_group(0) = ? [pid 317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 318 attached , child_tidptr=0x55558c722690) = 318 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] set_robust_list(0x55558c7226a0, 24) = 0 [pid 318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 executing program [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 318] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 318] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 318] rmdir("./config/usb_gadget/g2") = 0 [pid 318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.707429][ T316] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.707429][ T316] *) [ 28.732190][ T317] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.732190][ T317] *) [pid 318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 318] exit_group(0) = ? [pid 318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 319 ci2-android-5-10/strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x55558c7226a0, 24) = 0 [pid 319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 319] <... openat resumed>) = 3 [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 [pid 319] write(1, "executing program\n", 18) = 18 executing program [pid 319] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 319] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 319] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 319] rmdir("./config/usb_gadget/g2") = 0 [pid 319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 319] exit_group(0) = ? [pid 319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 320 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x55558c7226a0, 24) = 0 [pid 320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18) = 18 executing program [pid 320] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 320] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 320] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 320] rmdir("./config/usb_gadget/g2") = 0 [pid 320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.759273][ T318] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.759273][ T318] *) [ 28.785588][ T319] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.785588][ T319] *) [pid 320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 320] exit_group(0) = ? [pid 320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 321 attached , child_tidptr=0x55558c722690) = 321 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] set_robust_list(0x55558c7226a0, 24) = 0 [pid 321] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 executing program [pid 321] write(1, "executing program\n", 18) = 18 [pid 321] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 321] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 321] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 321] rmdir("./config/usb_gadget/g2") = 0 [pid 321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 321] exit_group(0) = ? [pid 321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 322 ci2-android-5-10/strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3) = 0 [pid 322] write(1, "executing program\n", 18) = 18 executing program [pid 322] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 322] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 322] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 322] rmdir("./config/usb_gadget/g2") = 0 [pid 322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.811131][ T320] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.811131][ T320] *) [ 28.836616][ T321] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.836616][ T321] *) [pid 322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 322] exit_group(0) = ? [pid 322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 323 attached , child_tidptr=0x55558c722690) = 323 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] set_robust_list(0x55558c7226a0, 24) = 0 [pid 323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 [pid 323] write(1, "executing program\n", 18) = 18 executing program [pid 323] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 323] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 323] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 323] rmdir("./config/usb_gadget/g2") = 0 [pid 323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 323] exit_group(0) = ? [pid 323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 324 attached , child_tidptr=0x55558c722690) = 324 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] set_robust_list(0x55558c7226a0, 24) = 0 [pid 324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 [pid 324] write(1, "executing program\n", 18) = 18 executing program [pid 324] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 324] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 324] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 324] rmdir("./config/usb_gadget/g2") = 0 [pid 324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.862571][ T322] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.862571][ T322] *) [ 28.887658][ T323] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.887658][ T323] *) [pid 324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 324] exit_group(0) = ? [pid 324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 325 attached , child_tidptr=0x55558c722690) = 325 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] set_robust_list(0x55558c7226a0, 24) = 0 [pid 325] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 [pid 325] close(3) = 0 [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 325] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 325] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 325] rmdir("./config/usb_gadget/g2") = 0 [pid 325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 325] exit_group(0) = ? [pid 325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 326 attached , child_tidptr=0x55558c722690) = 326 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] set_robust_list(0x55558c7226a0, 24) = 0 [pid 326] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 executing program [pid 326] write(1, "executing program\n", 18) = 18 [pid 326] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 326] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 326] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 326] rmdir("./config/usb_gadget/g2") = 0 [pid 326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.909756][ T324] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.909756][ T324] *) [ 28.932135][ T325] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.932135][ T325] *) [pid 326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 326] exit_group(0) = ? [pid 326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 327 ci2-android-5-10/strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x55558c7226a0, 24) = 0 [pid 327] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3) = 0 [pid 327] write(1, "executing program\n", 18) = 18 executing program [pid 327] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 327] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 327] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 327] <... mkdir resumed>) = 0 [pid 327] rmdir("./config/usb_gadget/g2" [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 327] <... rmdir resumed>) = 0 [pid 327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 327] exit_group(0) = ? [pid 327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 328 attached , child_tidptr=0x55558c722690) = 328 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] set_robust_list(0x55558c7226a0, 24) = 0 [pid 328] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 328] setpgid(0, 0) = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] write(3, "1000", 4) = 4 [pid 328] close(3) = 0 [pid 328] write(1, "executing program\n", 18) = 18 executing program [pid 328] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 328] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 328] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 328] rmdir("./config/usb_gadget/g2") = 0 [pid 328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 28.958417][ T326] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.958417][ T326] *) [ 28.975849][ T327] kobject_add_internal failed for f_midi (error: -2 parent: [ 28.975849][ T327] *) [pid 328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 328] exit_group(0) = ? [pid 328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x55558c7226a0, 24) = 0 [pid 329] rt_sigprocmask(SIG_SETMASK, [] [pid 297] <... clone resumed>, child_tidptr=0x55558c722690) = 329 [pid 329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 329] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 329] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 329] <... mkdir resumed>) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 329] rmdir("./config/usb_gadget/g2") = 0 [pid 329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 329] exit_group(0) = ? [pid 329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 330 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x55558c7226a0, 24) = 0 [pid 330] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 330] setpgid(0, 0) = 0 [pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 330] write(3, "1000", 4) = 4 [pid 330] close(3) = 0 executing program [pid 330] write(1, "executing program\n", 18) = 18 [pid 330] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 330] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 330] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 330] rmdir("./config/usb_gadget/g2") = 0 [pid 330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.005161][ T328] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.005161][ T328] *) [ 29.030877][ T329] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.030877][ T329] *) [pid 330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 330] exit_group(0) = ? [pid 330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 331 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x55558c7226a0, 24) = 0 [pid 331] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 331] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 331] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 331] rmdir("./config/usb_gadget/g2") = 0 [pid 331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 331] exit_group(0) = ? [pid 331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 332 attached , child_tidptr=0x55558c722690) = 332 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] set_robust_list(0x55558c7226a0, 24) = 0 [pid 332] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18) = 18 executing program [pid 332] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 332] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 332] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 332] rmdir("./config/usb_gadget/g2") = 0 [pid 332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.056608][ T330] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.056608][ T330] *) [ 29.081106][ T331] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.081106][ T331] *) [pid 332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 332] exit_group(0) = ? [pid 332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 333 attached , child_tidptr=0x55558c722690) = 333 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] set_robust_list(0x55558c7226a0, 24) = 0 [pid 333] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] write(3, "1000", 4) = 4 [pid 333] close(3) = 0 executing program [pid 333] write(1, "executing program\n", 18) = 18 [pid 333] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 333] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 333] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 333] rmdir("./config/usb_gadget/g2") = 0 [pid 333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 333] exit_group(0) = ? [pid 333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 334 ci2-android-5-10/strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x55558c7226a0, 24) = 0 [pid 334] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 [pid 334] close(3 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 334] <... close resumed>) = 0 [pid 334] write(1, "executing program\n", 18) = 18 executing program [pid 334] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 334] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 334] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 334] rmdir("./config/usb_gadget/g2") = 0 [pid 334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.110678][ T332] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.110678][ T332] *) [ 29.133844][ T333] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.133844][ T333] *) [pid 334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 334] exit_group(0) = ? [pid 334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 335 attached , child_tidptr=0x55558c722690) = 335 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] set_robust_list(0x55558c7226a0, 24) = 0 [pid 335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 335] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 335] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 335] rmdir("./config/usb_gadget/g2") = 0 [pid 335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 335] exit_group(0) = ? [pid 335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 336 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x55558c7226a0, 24) = 0 [pid 336] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 336] setpgid(0, 0) = 0 [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 336] write(3, "1000", 4) = 4 [pid 336] close(3) = 0 executing program [pid 336] write(1, "executing program\n", 18) = 18 [pid 336] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 336] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 336] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 336] rmdir("./config/usb_gadget/g2") = 0 [pid 336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.159367][ T334] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.159367][ T334] *) [ 29.182849][ T335] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.182849][ T335] *) [pid 336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 336] exit_group(0) = ? [pid 336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 337 ci2-android-5-10/strace-static-x86_64: Process 337 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] set_robust_list(0x55558c7226a0, 24) = 0 [pid 337] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4) = 4 [pid 337] close(3) = 0 [pid 337] write(1, "executing program\n", 18) = 18 [pid 337] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 337] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 337] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 337] rmdir("./config/usb_gadget/g2") = 0 [pid 337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 337] exit_group(0) = ? [pid 337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 338 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x55558c7226a0, 24) = 0 [pid 338] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 executing program [pid 338] close(3) = 0 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 338] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 338] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 338] rmdir("./config/usb_gadget/g2") = 0 [pid 338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.204128][ T336] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.204128][ T336] *) [ 29.229097][ T337] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.229097][ T337] *) [pid 338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 338] exit_group(0) = ? [pid 338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 339 attached , child_tidptr=0x55558c722690) = 339 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] set_robust_list(0x55558c7226a0, 24) = 0 [pid 339] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 339] setpgid(0, 0) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 339] write(3, "1000", 4) = 4 [pid 339] close(3) = 0 executing program [pid 339] write(1, "executing program\n", 18) = 18 [pid 339] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 339] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 339] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 339] rmdir("./config/usb_gadget/g2") = 0 [pid 339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 339] exit_group(0) = ? [pid 339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 340 attached , child_tidptr=0x55558c722690) = 340 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] set_robust_list(0x55558c7226a0, 24) = 0 [pid 340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 340] setpgid(0, 0) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 [pid 340] write(1, "executing program\n", 18) = 18 [pid 340] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 340] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 340] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 340] rmdir("./config/usb_gadget/g2") = 0 [pid 340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 340] exit_group(0) = ? [pid 340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 341 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 341 attached [pid 341] set_robust_list(0x55558c7226a0, 24) = 0 [pid 341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 341] setpgid(0, 0) = 0 [pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 341] write(3, "1000", 4) = 4 [pid 341] close(3) = 0 [pid 341] write(1, "executing program\n", 18) = 18 [pid 341] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 341] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 341] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 341] rmdir("./config/usb_gadget/g2") = 0 [pid 341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.257691][ T338] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.257691][ T338] *) [ 29.282380][ T339] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.282380][ T339] *) [ 29.299348][ T340] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.299348][ T340] *) [pid 341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 341] exit_group(0) = ? [pid 341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 342 attached , child_tidptr=0x55558c722690) = 342 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] set_robust_list(0x55558c7226a0, 24) = 0 [pid 342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 342] setpgid(0, 0) = 0 [pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 342] write(3, "1000", 4) = 4 [pid 342] close(3) = 0 [pid 342] write(1, "executing program\n", 18) = 18 [pid 342] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 342] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 342] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 342] rmdir("./config/usb_gadget/g2") = 0 [pid 342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 342] exit_group(0) = ? [pid 342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 343 attached , child_tidptr=0x55558c722690) = 343 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] set_robust_list(0x55558c7226a0, 24) = 0 [pid 343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 343] setpgid(0, 0) = 0 [pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 343] write(3, "1000", 4) = 4 [pid 343] close(3) = 0 [pid 343] write(1, "executing program\n", 18) = 18 executing program [pid 343] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 343] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 343] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 343] rmdir("./config/usb_gadget/g2") = 0 [pid 343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.325394][ T341] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.325394][ T341] *) [ 29.354627][ T342] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.354627][ T342] *) [pid 343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 343] exit_group(0) = ? [pid 343] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 344 attached , child_tidptr=0x55558c722690) = 344 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] set_robust_list(0x55558c7226a0, 24) = 0 [pid 344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 344] setpgid(0, 0) = 0 [pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 344] write(3, "1000", 4) = 4 [pid 344] close(3) = 0 executing program [pid 344] write(1, "executing program\n", 18) = 18 [pid 344] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 344] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 344] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 344] rmdir("./config/usb_gadget/g2") = 0 [pid 344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 344] exit_group(0) = ? [pid 344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 345 attached , child_tidptr=0x55558c722690) = 345 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] set_robust_list(0x55558c7226a0, 24) = 0 [pid 345] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 345] setpgid(0, 0) = 0 [pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 345] write(3, "1000", 4) = 4 [pid 345] close(3) = 0 executing program [pid 345] write(1, "executing program\n", 18) = 18 [pid 345] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 345] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 345] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 345] rmdir("./config/usb_gadget/g2") = 0 [pid 345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.380524][ T343] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.380524][ T343] *) [ 29.409084][ T344] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.409084][ T344] *) [pid 345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 345] exit_group(0) = ? [pid 345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 346 attached , child_tidptr=0x55558c722690) = 346 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] set_robust_list(0x55558c7226a0, 24) = 0 [pid 346] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 346] setpgid(0, 0) = 0 [pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 346] write(3, "1000", 4) = 4 [pid 346] close(3) = 0 executing program [pid 346] write(1, "executing program\n", 18) = 18 [pid 346] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 346] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 346] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 346] rmdir("./config/usb_gadget/g2") = 0 [pid 346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 346] exit_group(0) = ? [pid 346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 347 attached , child_tidptr=0x55558c722690) = 347 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] set_robust_list(0x55558c7226a0, 24) = 0 [pid 347] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 347] setpgid(0, 0) = 0 [pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 347] write(3, "1000", 4) = 4 [pid 347] close(3) = 0 [pid 347] write(1, "executing program\n", 18) = 18 executing program [pid 347] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 347] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 347] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 347] rmdir("./config/usb_gadget/g2") = 0 [pid 347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.433178][ T345] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.433178][ T345] *) [ 29.458086][ T346] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.458086][ T346] *) [pid 347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 347] exit_group(0) = ? [pid 347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 348 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 348 attached [pid 348] set_robust_list(0x55558c7226a0, 24) = 0 [pid 348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 348] setpgid(0, 0) = 0 [pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 348] write(3, "1000", 4) = 4 [pid 348] close(3) = 0 [pid 348] write(1, "executing program\n", 18) = 18 executing program [pid 348] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 348] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 348] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 348] rmdir("./config/usb_gadget/g2") = 0 [pid 348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 348] exit_group(0) = ? [pid 348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 349 attached , child_tidptr=0x55558c722690) = 349 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] set_robust_list(0x55558c7226a0, 24) = 0 [pid 349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 349] setpgid(0, 0) = 0 [pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 349] write(3, "1000", 4) = 4 [pid 349] close(3) = 0 [pid 349] write(1, "executing program\n", 18) = 18 [pid 349] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 349] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 349] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 349] rmdir("./config/usb_gadget/g2") = 0 [ 29.486980][ T347] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.486980][ T347] *) [ 29.511554][ T348] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.511554][ T348] *) [pid 349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 349] exit_group(0) = ? [pid 349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 350 attached , child_tidptr=0x55558c722690) = 350 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] set_robust_list(0x55558c7226a0, 24) = 0 [pid 350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 350] setpgid(0, 0) = 0 [pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 350] write(3, "1000", 4) = 4 [pid 350] close(3) = 0 executing program [pid 350] write(1, "executing program\n", 18) = 18 [pid 350] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 350] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 350] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 350] rmdir("./config/usb_gadget/g2") = 0 [pid 350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 350] exit_group(0) = ? [pid 350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 351 attached , child_tidptr=0x55558c722690) = 351 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] set_robust_list(0x55558c7226a0, 24) = 0 [pid 351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 351] setpgid(0, 0) = 0 [pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 351] write(3, "1000", 4) = 4 [pid 351] close(3) = 0 [pid 351] write(1, "executing program\n", 18) = 18 executing program [pid 351] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 351] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 351] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 351] rmdir("./config/usb_gadget/g2") = 0 [pid 351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.537000][ T349] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.537000][ T349] *) [ 29.564592][ T350] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.564592][ T350] *) [pid 351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 351] exit_group(0) = ? [pid 351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 352 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 352 attached [pid 352] set_robust_list(0x55558c7226a0, 24) = 0 [pid 352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 352] setpgid(0, 0) = 0 [pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 352] write(3, "1000", 4) = 4 [pid 352] close(3) = 0 [pid 352] write(1, "executing program\n", 18) = 18 [pid 352] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 352] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 352] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 352] rmdir("./config/usb_gadget/g2") = 0 [pid 352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 352] exit_group(0) = ? [pid 352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 353 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 353 attached [pid 353] set_robust_list(0x55558c7226a0, 24) = 0 [pid 353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 353] setpgid(0, 0) = 0 [pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 353] write(3, "1000", 4) = 4 [pid 353] close(3) = 0 [pid 353] write(1, "executing program\n", 18) = 18 [pid 353] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 353] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 353] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 353] rmdir("./config/usb_gadget/g2") = 0 [pid 353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.590818][ T351] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.590818][ T351] *) [ 29.615531][ T352] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.615531][ T352] *) [pid 353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 353] exit_group(0) = ? [pid 353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 354 attached , child_tidptr=0x55558c722690) = 354 [pid 354] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 354] setpgid(0, 0) = 0 [pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 354] <... openat resumed>) = 3 [pid 354] write(3, "1000", 4) = 4 [pid 354] close(3) = 0 [pid 354] write(1, "executing program\n", 18) = 18 executing program [pid 354] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 354] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 354] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 354] rmdir("./config/usb_gadget/g2") = 0 [pid 354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 354] exit_group(0) = ? [pid 354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 355 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 355 attached [pid 355] set_robust_list(0x55558c7226a0, 24) = 0 [pid 355] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 355] setpgid(0, 0) = 0 [pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 355] write(3, "1000", 4) = 4 [pid 355] close(3) = 0 executing program [pid 355] write(1, "executing program\n", 18) = 18 [pid 355] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 355] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 355] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 355] rmdir("./config/usb_gadget/g2") = 0 [pid 355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.640001][ T353] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.640001][ T353] *) [ 29.665418][ T354] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.665418][ T354] *) [pid 355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 355] exit_group(0) = ? [pid 355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 356 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x55558c7226a0, 24) = 0 [pid 356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setpgid(0, 0) = 0 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 356] write(3, "1000", 4) = 4 [pid 356] close(3) = 0 executing program [pid 356] write(1, "executing program\n", 18) = 18 [pid 356] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 356] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 356] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 356] rmdir("./config/usb_gadget/g2") = 0 [pid 356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 356] exit_group(0) = ? [pid 356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 357 attached , child_tidptr=0x55558c722690) = 357 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] set_robust_list(0x55558c7226a0, 24) = 0 [pid 357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 357] setpgid(0, 0) = 0 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 357] write(3, "1000", 4) = 4 [pid 357] close(3) = 0 [pid 357] write(1, "executing program\n", 18) = 18 executing program [pid 357] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 357] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 357] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 357] rmdir("./config/usb_gadget/g2") = 0 [pid 357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.690008][ T355] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.690008][ T355] *) [ 29.718271][ T356] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.718271][ T356] *) [pid 357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 357] exit_group(0) = ? [pid 357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 358 ci2-android-5-10/strace-static-x86_64: Process 358 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] set_robust_list(0x55558c7226a0, 24) = 0 [pid 358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 358] setpgid(0, 0) = 0 [pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 358] write(3, "1000", 4) = 4 [pid 358] close(3) = 0 [pid 358] write(1, "executing program\n", 18) = 18 executing program [pid 358] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 358] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 358] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 358] rmdir("./config/usb_gadget/g2") = 0 [pid 358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 358] exit_group(0) = ? [pid 358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 359 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x55558c7226a0, 24) = 0 [pid 359] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 [pid 359] write(1, "executing program\n", 18) = 18 [pid 359] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 359] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 359] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 359] rmdir("./config/usb_gadget/g2") = 0 [pid 359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.740945][ T357] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.740945][ T357] *) [ 29.758447][ T358] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.758447][ T358] *) [ 29.783006][ T359] kobject_add_internal failed for f_midi (error: -2 parent: [pid 359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 359] exit_group(0) = ? [pid 359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 360 attached , child_tidptr=0x55558c722690) = 360 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] set_robust_list(0x55558c7226a0, 24) = 0 [pid 360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 executing program [pid 360] write(1, "executing program\n", 18) = 18 [pid 360] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 360] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 360] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 360] rmdir("./config/usb_gadget/g2") = 0 [pid 360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 360] exit_group(0) = ? [pid 360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 361 attached , child_tidptr=0x55558c722690) = 361 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] set_robust_list(0x55558c7226a0, 24) = 0 [pid 361] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 361] setpgid(0, 0) = 0 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 361] write(3, "1000", 4) = 4 [pid 361] close(3) = 0 executing program [pid 361] write(1, "executing program\n", 18) = 18 [pid 361] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 361] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 361] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 361] rmdir("./config/usb_gadget/g2") = 0 [pid 361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.783006][ T359] *) [ 29.807660][ T360] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.807660][ T360] *) [pid 361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 361] exit_group(0) = ? [pid 361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 362 attached , child_tidptr=0x55558c722690) = 362 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] set_robust_list(0x55558c7226a0, 24) = 0 [pid 362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 362] setpgid(0, 0) = 0 [pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 362] write(3, "1000", 4) = 4 [pid 362] close(3) = 0 [pid 362] write(1, "executing program\n", 18) = 18 executing program [pid 362] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 362] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 362] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 362] rmdir("./config/usb_gadget/g2") = 0 [pid 362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 362] exit_group(0) = ? [pid 362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 363 attached , child_tidptr=0x55558c722690) = 363 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] set_robust_list(0x55558c7226a0, 24) = 0 [pid 363] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 363] setpgid(0, 0) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 363] write(3, "1000", 4) = 4 [pid 363] close(3) = 0 [pid 363] write(1, "executing program\n", 18) = 18 executing program [pid 363] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 363] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 363] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 363] rmdir("./config/usb_gadget/g2") = 0 [pid 363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.837932][ T361] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.837932][ T361] *) [ 29.862960][ T362] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.862960][ T362] *) [ 29.884129][ T363] kobject_add_internal failed for f_midi (error: -2 parent: [pid 363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 363] exit_group(0) = ? [pid 363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 364 attached , child_tidptr=0x55558c722690) = 364 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] set_robust_list(0x55558c7226a0, 24) = 0 [pid 364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 364] setpgid(0, 0) = 0 [pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 364] write(3, "1000", 4) = 4 [pid 364] close(3) = 0 [pid 364] write(1, "executing program\n", 18) = 18 executing program [pid 364] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 364] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 364] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 364] rmdir("./config/usb_gadget/g2") = 0 [pid 364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 364] exit_group(0) = ? [pid 364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 365 attached , child_tidptr=0x55558c722690) = 365 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] set_robust_list(0x55558c7226a0, 24) = 0 [pid 365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 executing program [pid 365] write(1, "executing program\n", 18) = 18 [pid 365] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 365] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 365] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 365] rmdir("./config/usb_gadget/g2") = 0 [pid 365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 29.884129][ T363] *) [ 29.908916][ T364] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.908916][ T364] *) [ 29.934790][ T365] kobject_add_internal failed for f_midi (error: -2 parent: [pid 365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 365] exit_group(0) = ? [pid 365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 366 ci2-android-5-10/strace-static-x86_64: Process 366 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] set_robust_list(0x55558c7226a0, 24) = 0 [pid 366] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 366] setpgid(0, 0) = 0 [pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 366] write(3, "1000", 4) = 4 [pid 366] close(3) = 0 executing program [pid 366] write(1, "executing program\n", 18) = 18 [pid 366] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 366] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 366] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 366] rmdir("./config/usb_gadget/g2") = 0 [pid 366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 366] exit_group(0) = ? [pid 366] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 367 attached , child_tidptr=0x55558c722690) = 367 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] set_robust_list(0x55558c7226a0, 24) = 0 [pid 367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 367] setpgid(0, 0) = 0 [pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 367] write(3, "1000", 4) = 4 [pid 367] close(3) = 0 executing program [pid 367] write(1, "executing program\n", 18) = 18 [pid 367] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 367] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 367] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 367] rmdir("./config/usb_gadget/g2") = 0 [pid 367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 367] exit_group(0) = ? [pid 367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 29.934790][ T365] *) [ 29.959158][ T366] kobject_add_internal failed for f_midi (error: -2 parent: [ 29.959158][ T366] *) [ 29.982611][ T367] kobject_add_internal failed for f_midi (error: -2 parent: restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 368 attached , child_tidptr=0x55558c722690) = 368 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] set_robust_list(0x55558c7226a0, 24) = 0 [pid 368] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 368] setpgid(0, 0) = 0 [pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 368] write(3, "1000", 4) = 4 [pid 368] close(3) = 0 executing program [pid 368] write(1, "executing program\n", 18) = 18 [pid 368] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 368] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 368] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 368] rmdir("./config/usb_gadget/g2") = 0 [pid 368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 368] exit_group(0) = ? [pid 368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 369 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x55558c7226a0, 24) = 0 [pid 369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 executing program [pid 369] write(1, "executing program\n", 18) = 18 [pid 369] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 369] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 369] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 369] rmdir("./config/usb_gadget/g2") = 0 [pid 369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 369] exit_group(0) = ? [pid 369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 370 ci2-android-5-10/strace-static-x86_64: Process 370 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] set_robust_list(0x55558c7226a0, 24) = 0 [pid 370] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 370] setpgid(0, 0) = 0 [pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 370] write(3, "1000", 4) = 4 [pid 370] close(3) = 0 [pid 370] write(1, "executing program\n", 18) = 18 executing program [pid 370] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 370] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 29.982611][ T367] *) [ 30.005855][ T368] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.005855][ T368] *) [ 30.023142][ T369] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.023142][ T369] *) [pid 370] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 370] rmdir("./config/usb_gadget/g2") = 0 [pid 370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 370] exit_group(0) = ? [pid 370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 371 attached , child_tidptr=0x55558c722690) = 371 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] set_robust_list(0x55558c7226a0, 24) = 0 [pid 371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 [pid 371] write(1, "executing program\n", 18) = 18 executing program [pid 371] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 371] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 371] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 371] rmdir("./config/usb_gadget/g2") = 0 [pid 371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 371] exit_group(0) = ? [pid 371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 372 attached , child_tidptr=0x55558c722690) = 372 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] set_robust_list(0x55558c7226a0, 24) = 0 [pid 372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 372] setpgid(0, 0) = 0 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 372] write(3, "1000", 4) = 4 [pid 372] close(3) = 0 [pid 372] write(1, "executing program\n", 18) = 18 [pid 372] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 372] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 372] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 372] rmdir("./config/usb_gadget/g2") = 0 [pid 372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.047477][ T370] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.047477][ T370] *) [ 30.072251][ T371] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.072251][ T371] *) [pid 372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 372] exit_group(0) = ? [pid 372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 373 attached , child_tidptr=0x55558c722690) = 373 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] set_robust_list(0x55558c7226a0, 24) = 0 [pid 373] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 373] setpgid(0, 0) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 373] write(3, "1000", 4) = 4 [pid 373] close(3) = 0 [pid 373] write(1, "executing program\n", 18) = 18 executing program [pid 373] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 373] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 373] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 373] rmdir("./config/usb_gadget/g2") = 0 [pid 373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 373] exit_group(0) = ? [pid 373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 374 attached , child_tidptr=0x55558c722690) = 374 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] set_robust_list(0x55558c7226a0, 24) = 0 [pid 374] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 374] setpgid(0, 0) = 0 [pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 374] write(3, "1000", 4) = 4 [pid 374] close(3) = 0 executing program [pid 374] write(1, "executing program\n", 18) = 18 [pid 374] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 374] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 374] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 374] rmdir("./config/usb_gadget/g2") = 0 [pid 374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.094050][ T372] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.094050][ T372] *) [ 30.115735][ T373] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.115735][ T373] *) [ 30.140630][ T374] kobject_add_internal failed for f_midi (error: -2 parent: [pid 374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 374] exit_group(0) = ? [pid 374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 375 attached , child_tidptr=0x55558c722690) = 375 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] set_robust_list(0x55558c7226a0, 24) = 0 [pid 375] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 executing program [pid 375] write(1, "executing program\n", 18) = 18 [pid 375] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 375] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 375] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 375] rmdir("./config/usb_gadget/g2") = 0 [pid 375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.140630][ T374] *) [pid 375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 375] exit_group(0) = ? [pid 375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 376 ci2-android-5-10/strace-static-x86_64: Process 376 attached [pid 376] set_robust_list(0x55558c7226a0, 24) = 0 [pid 376] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 376] setpgid(0, 0) = 0 [pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 376] write(3, "1000", 4) = 4 [pid 376] close(3) = 0 [pid 376] write(1, "executing program\n", 18) = 18 executing program [pid 376] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 376] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 376] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 376] <... mkdir resumed>) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 376] rmdir("./config/usb_gadget/g2") = 0 [pid 376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 376] exit_group(0) = ? [pid 376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 377 ci2-android-5-10/strace-static-x86_64: Process 377 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] set_robust_list(0x55558c7226a0, 24) = 0 [pid 377] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 executing program [pid 377] write(1, "executing program\n", 18) = 18 [pid 377] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 377] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 377] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 377] rmdir("./config/usb_gadget/g2") = 0 [pid 377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.169811][ T375] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.169811][ T375] *) [ 30.196188][ T376] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.196188][ T376] *) [pid 377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 377] exit_group(0) = ? [pid 377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 378 attached , child_tidptr=0x55558c722690) = 378 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] set_robust_list(0x55558c7226a0, 24) = 0 [pid 378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 378] setpgid(0, 0) = 0 [pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 378] write(3, "1000", 4) = 4 [pid 378] close(3) = 0 [pid 378] write(1, "executing program\n", 18) = 18 executing program [pid 378] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 378] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 378] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 378] rmdir("./config/usb_gadget/g2") = 0 [pid 378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 378] exit_group(0) = ? [pid 378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 379 ci2-android-5-10/strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x55558c7226a0, 24) = 0 [pid 379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 379] write(1, "executing program\n", 18) = 18 [pid 379] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 379] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 379] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 379] <... mkdir resumed>) = 0 [pid 379] rmdir("./config/usb_gadget/g2") = 0 [pid 379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.224867][ T377] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.224867][ T377] *) [ 30.250505][ T378] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.250505][ T378] *) [pid 379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 379] exit_group(0) = ? [pid 379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 380 attached , child_tidptr=0x55558c722690) = 380 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] set_robust_list(0x55558c7226a0, 24) = 0 [pid 380] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 380] setpgid(0, 0) = 0 [pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 380] write(3, "1000", 4) = 4 [pid 380] close(3) = 0 [pid 380] write(1, "executing program\n", 18) = 18 [pid 380] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 380] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 380] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 380] rmdir("./config/usb_gadget/g2") = 0 [pid 380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 380] exit_group(0) = ? [pid 380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 381 attached , child_tidptr=0x55558c722690) = 381 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] set_robust_list(0x55558c7226a0, 24) = 0 [pid 381] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 381] setpgid(0, 0) = 0 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 381] write(3, "1000", 4) = 4 [pid 381] close(3) = 0 executing program [pid 381] write(1, "executing program\n", 18) = 18 [pid 381] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 381] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 381] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 381] rmdir("./config/usb_gadget/g2") = 0 [pid 381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.272352][ T379] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.272352][ T379] *) [ 30.298301][ T380] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.298301][ T380] *) [pid 381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 381] exit_group(0) = ? [pid 381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 382 ci2-android-5-10/strace-static-x86_64: Process 382 attached [pid 382] set_robust_list(0x55558c7226a0, 24) = 0 [pid 382] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 382] setpgid(0, 0) = 0 [pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 382] write(3, "1000", 4) = 4 [pid 382] close(3) = 0 [pid 382] write(1, "executing program\n", 18) = 18 [pid 382] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 382] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 382] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 382] <... mkdir resumed>) = 0 [pid 382] rmdir("./config/usb_gadget/g2") = 0 [pid 382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 382] exit_group(0) = ? [pid 382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 383 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x55558c7226a0, 24) = 0 [pid 383] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] write(1, "executing program\n", 18) = 18 executing program [pid 383] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 383] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 383] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 383] rmdir("./config/usb_gadget/g2") = 0 [pid 383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.322733][ T381] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.322733][ T381] *) [ 30.348172][ T382] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.348172][ T382] *) [pid 383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 383] exit_group(0) = ? [pid 383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 384 attached , child_tidptr=0x55558c722690) = 384 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] set_robust_list(0x55558c7226a0, 24) = 0 [pid 384] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 384] setpgid(0, 0) = 0 [pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 384] write(3, "1000", 4) = 4 [pid 384] close(3) = 0 [pid 384] write(1, "executing program\n", 18) = 18 [pid 384] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 384] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 384] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 384] rmdir("./config/usb_gadget/g2") = 0 [pid 384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 384] exit_group(0) = ? [pid 384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 385 ci2-android-5-10/strace-static-x86_64: Process 385 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] set_robust_list(0x55558c7226a0, 24) = 0 [pid 385] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0) = 0 [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 385] close(3) = 0 [pid 385] write(1, "executing program\n", 18) = 18 executing program [pid 385] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 385] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 385] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 385] rmdir("./config/usb_gadget/g2") = 0 [pid 385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.372702][ T383] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.372702][ T383] *) [ 30.393324][ T384] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.393324][ T384] *) [pid 385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 385] exit_group(0) = ? [pid 385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 386 attached , child_tidptr=0x55558c722690) = 386 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] set_robust_list(0x55558c7226a0, 24) = 0 [pid 386] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 386] setpgid(0, 0) = 0 [pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 386] write(3, "1000", 4) = 4 [pid 386] close(3) = 0 [pid 386] write(1, "executing program\n", 18) = 18 executing program [pid 386] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 386] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 386] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 386] rmdir("./config/usb_gadget/g2") = 0 [pid 386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 386] exit_group(0) = ? [pid 386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 387 attached , child_tidptr=0x55558c722690) = 387 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] set_robust_list(0x55558c7226a0, 24) = 0 [pid 387] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 387] setpgid(0, 0) = 0 [pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 387] write(3, "1000", 4) = 4 [pid 387] close(3) = 0 executing program [pid 387] write(1, "executing program\n", 18) = 18 [pid 387] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 387] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 387] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 387] rmdir("./config/usb_gadget/g2") = 0 [pid 387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 387] exit_group(0) = ? [pid 387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 388 attached , child_tidptr=0x55558c722690) = 388 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] set_robust_list(0x55558c7226a0, 24) = 0 [pid 388] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 388] setpgid(0, 0) = 0 [pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 388] write(3, "1000", 4) = 4 [pid 388] close(3) = 0 executing program [pid 388] write(1, "executing program\n", 18) = 18 [pid 388] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 388] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 388] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 388] rmdir("./config/usb_gadget/g2") = 0 [pid 388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.418551][ T385] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.418551][ T385] *) [ 30.440335][ T386] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.440335][ T386] *) [ 30.463861][ T387] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.463861][ T387] *) [pid 388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 388] exit_group(0) = ? [pid 388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 389 ci2-android-5-10/strace-static-x86_64: Process 389 attached [pid 389] set_robust_list(0x55558c7226a0, 24) = 0 [pid 389] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 389] setpgid(0, 0) = 0 [pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 389] write(3, "1000", 4) = 4 [pid 389] close(3) = 0 [pid 389] write(1, "executing program\n", 18) = 18 executing program [pid 389] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 389] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 389] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 389] <... mkdir resumed>) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 389] rmdir("./config/usb_gadget/g2") = 0 [pid 389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 389] exit_group(0) = ? [pid 389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 390 attached , child_tidptr=0x55558c722690) = 390 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] set_robust_list(0x55558c7226a0, 24) = 0 [pid 390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 390] setpgid(0, 0) = 0 executing program [pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 390] write(3, "1000", 4) = 4 [pid 390] close(3) = 0 [pid 390] write(1, "executing program\n", 18) = 18 [pid 390] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 390] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 390] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 390] rmdir("./config/usb_gadget/g2") = 0 [pid 390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.489071][ T388] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.489071][ T388] *) [ 30.514404][ T389] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.514404][ T389] *) [pid 390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 390] exit_group(0) = ? [pid 390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 391 ci2-android-5-10/strace-static-x86_64: Process 391 attached [pid 391] set_robust_list(0x55558c7226a0, 24) = 0 [pid 391] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 391] setpgid(0, 0) = 0 [pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 391] write(3, "1000", 4) = 4 [pid 391] close(3) = 0 [pid 391] write(1, "executing program\n", 18) = 18 [pid 391] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 391] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 391] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 391] <... mkdir resumed>) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 391] rmdir("./config/usb_gadget/g2") = 0 [pid 391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 391] exit_group(0) = ? [pid 391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 392 ci2-android-5-10/strace-static-x86_64: Process 392 attached [pid 392] set_robust_list(0x55558c7226a0, 24) = 0 [pid 392] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 392] setpgid(0, 0) = 0 [pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 392] write(3, "1000", 4) = 4 [pid 392] close(3) = 0 executing program [pid 392] write(1, "executing program\n", 18) = 18 [pid 392] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 392] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 392] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 392] <... mkdir resumed>) = 0 [pid 392] rmdir("./config/usb_gadget/g2") = 0 [pid 392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.543113][ T390] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.543113][ T390] *) [ 30.568640][ T391] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.568640][ T391] *) [pid 392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 392] exit_group(0) = ? [pid 392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 393 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 393 attached [pid 393] set_robust_list(0x55558c7226a0, 24) = 0 [pid 393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 393] setpgid(0, 0) = 0 [pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 393] write(3, "1000", 4) = 4 [pid 393] close(3) = 0 [pid 393] write(1, "executing program\n", 18) = 18 executing program [pid 393] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 393] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 393] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 393] rmdir("./config/usb_gadget/g2") = 0 [pid 393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 393] exit_group(0) = ? [pid 393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 394 ci2-android-5-10/strace-static-x86_64: Process 394 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] set_robust_list(0x55558c7226a0, 24) = 0 [pid 394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 394] setpgid(0, 0) = 0 [pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 394] write(3, "1000", 4) = 4 [pid 394] close(3) = 0 [pid 394] write(1, "executing program\n", 18) = 18 executing program [pid 394] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 394] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 394] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 394] rmdir("./config/usb_gadget/g2") = 0 [pid 394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.592859][ T392] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.592859][ T392] *) [ 30.616748][ T393] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.616748][ T393] *) [pid 394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 394] exit_group(0) = ? [pid 394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 395 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 395 attached [pid 395] set_robust_list(0x55558c7226a0, 24) = 0 [pid 395] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 395] setpgid(0, 0) = 0 executing program [pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 395] write(3, "1000", 4) = 4 [pid 395] close(3) = 0 [pid 395] write(1, "executing program\n", 18) = 18 [pid 395] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 395] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 395] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 395] rmdir("./config/usb_gadget/g2") = 0 [pid 395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 395] exit_group(0) = ? [pid 395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 396 attached , child_tidptr=0x55558c722690) = 396 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] set_robust_list(0x55558c7226a0, 24) = 0 [pid 396] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 396] setpgid(0, 0) = 0 [pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 396] write(3, "1000", 4) = 4 [pid 396] close(3) = 0 executing program [pid 396] write(1, "executing program\n", 18) = 18 [pid 396] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 396] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 396] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 396] rmdir("./config/usb_gadget/g2") = 0 [pid 396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.641684][ T394] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.641684][ T394] *) [ 30.666264][ T395] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.666264][ T395] *) [pid 396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 396] exit_group(0) = ? [pid 396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 397 ci2-android-5-10/strace-static-x86_64: Process 397 attached [pid 397] set_robust_list(0x55558c7226a0, 24) = 0 [pid 397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 397] setpgid(0, 0) = 0 [pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 397] write(3, "1000", 4) = 4 [pid 397] close(3) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 397] write(1, "executing program\n", 18) = 18 executing program [pid 397] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 397] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 397] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 397] rmdir("./config/usb_gadget/g2") = 0 [pid 397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 397] exit_group(0) = ? [pid 397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 398 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 398 attached [pid 398] set_robust_list(0x55558c7226a0, 24) = 0 [pid 398] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 398] setpgid(0, 0) = 0 [pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 398] write(3, "1000", 4) = 4 [pid 398] close(3) = 0 [pid 398] write(1, "executing program\n", 18) = 18 [pid 398] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 398] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 30.694830][ T396] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.694830][ T396] *) [ 30.720417][ T397] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.720417][ T397] *) [pid 398] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 398] rmdir("./config/usb_gadget/g2") = 0 [pid 398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 398] exit_group(0) = ? [pid 398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 399 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 399 attached [pid 399] set_robust_list(0x55558c7226a0, 24) = 0 [pid 399] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 399] setpgid(0, 0) = 0 [pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 399] write(3, "1000", 4) = 4 [pid 399] close(3) = 0 [pid 399] write(1, "executing program\n", 18) = 18 executing program [pid 399] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 399] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 399] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 399] rmdir("./config/usb_gadget/g2") = 0 [pid 399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 399] exit_group(0) = ? [pid 399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 400 attached , child_tidptr=0x55558c722690) = 400 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] set_robust_list(0x55558c7226a0, 24) = 0 [pid 400] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 400] setpgid(0, 0) = 0 [pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 400] write(3, "1000", 4) = 4 [pid 400] close(3) = 0 executing program [pid 400] write(1, "executing program\n", 18) = 18 [pid 400] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 400] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 400] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 400] rmdir("./config/usb_gadget/g2") = 0 [pid 400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.744720][ T398] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.744720][ T398] *) [ 30.769347][ T399] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.769347][ T399] *) [pid 400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 400] exit_group(0) = ? [pid 400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 401 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 401 attached [pid 401] set_robust_list(0x55558c7226a0, 24) = 0 [pid 401] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 401] setpgid(0, 0) = 0 [pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 401] write(3, "1000", 4) = 4 [pid 401] close(3) = 0 [pid 401] write(1, "executing program\n", 18) = 18 executing program [pid 401] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 401] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 401] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 401] rmdir("./config/usb_gadget/g2") = 0 [pid 401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 401] exit_group(0) = ? [pid 401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 402 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 402 attached [pid 402] set_robust_list(0x55558c7226a0, 24) = 0 [pid 402] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 402] setpgid(0, 0) = 0 [pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 402] write(3, "1000", 4) = 4 [pid 402] close(3) = 0 [pid 402] write(1, "executing program\n", 18) = 18 executing program [pid 402] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 402] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 402] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 402] rmdir("./config/usb_gadget/g2") = 0 [pid 402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.794779][ T400] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.794779][ T400] *) [ 30.819579][ T401] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.819579][ T401] *) [pid 402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 402] exit_group(0) = ? [pid 402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 403 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 403 attached [pid 403] set_robust_list(0x55558c7226a0, 24) = 0 [pid 403] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 403] setpgid(0, 0) = 0 [pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 403] write(3, "1000", 4) = 4 [pid 403] close(3) = 0 [pid 403] write(1, "executing program\n", 18) = 18 executing program [pid 403] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 403] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 403] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 403] rmdir("./config/usb_gadget/g2") = 0 [pid 403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 403] exit_group(0) = ? [pid 403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 404 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 404 attached [pid 404] set_robust_list(0x55558c7226a0, 24) = 0 [pid 404] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 404] setpgid(0, 0) = 0 [pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 404] write(3, "1000", 4) = 4 [pid 404] close(3) = 0 [pid 404] write(1, "executing program\n", 18) = 18 executing program [pid 404] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 404] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 404] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 404] rmdir("./config/usb_gadget/g2") = 0 [pid 404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.844172][ T402] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.844172][ T402] *) [ 30.868788][ T403] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.868788][ T403] *) [pid 404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 404] exit_group(0) = ? [pid 404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 405 attached , child_tidptr=0x55558c722690) = 405 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] set_robust_list(0x55558c7226a0, 24) = 0 [pid 405] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 405] setpgid(0, 0) = 0 [pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 405] write(3, "1000", 4) = 4 [pid 405] close(3) = 0 [pid 405] write(1, "executing program\n", 18) = 18 [pid 405] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 405] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 405] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 405] rmdir("./config/usb_gadget/g2") = 0 [pid 405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 405] exit_group(0) = ? [pid 405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 406 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 406 attached [pid 406] set_robust_list(0x55558c7226a0, 24) = 0 [pid 406] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 406] setpgid(0, 0) = 0 [pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 406] write(3, "1000", 4) = 4 [pid 406] close(3) = 0 [pid 406] write(1, "executing program\n", 18) = 18 executing program [pid 406] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 406] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 406] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 406] rmdir("./config/usb_gadget/g2") = 0 [pid 406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.899273][ T404] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.899273][ T404] *) [ 30.924358][ T405] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.924358][ T405] *) [pid 406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 406] exit_group(0) = ? [pid 406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 407 ci2-android-5-10/strace-static-x86_64: Process 407 attached [pid 407] set_robust_list(0x55558c7226a0, 24) = 0 [pid 407] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 407] setpgid(0, 0) = 0 [pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 407] write(3, "1000", 4) = 4 [pid 407] close(3) = 0 executing program [pid 407] write(1, "executing program\n", 18) = 18 [pid 407] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 407] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 407] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 407] <... mkdir resumed>) = 0 [pid 407] rmdir("./config/usb_gadget/g2" [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 407] <... rmdir resumed>) = 0 [pid 407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 407] exit_group(0) = ? [pid 407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 408 attached , child_tidptr=0x55558c722690) = 408 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 408] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 408] <... set_robust_list resumed>) = 0 [pid 408] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 408] setpgid(0, 0) = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 408] write(3, "1000", 4) = 4 [pid 408] close(3) = 0 [pid 408] write(1, "executing program\n", 18) = 18 executing program [pid 408] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 408] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 408] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 408] rmdir("./config/usb_gadget/g2") = 0 [pid 408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.946174][ T406] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.946174][ T406] *) [ 30.970718][ T407] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.970718][ T407] *) [pid 408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 408] exit_group(0) = ? [pid 408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 409 attached , child_tidptr=0x55558c722690) = 409 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] set_robust_list(0x55558c7226a0, 24) = 0 [pid 409] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 409] setpgid(0, 0) = 0 [pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 409] write(3, "1000", 4) = 4 [pid 409] close(3) = 0 executing program [pid 409] write(1, "executing program\n", 18) = 18 [pid 409] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 409] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 409] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 409] rmdir("./config/usb_gadget/g2") = 0 [pid 409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 409] exit_group(0) = ? [pid 409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 410 ci2-android-5-10/strace-static-x86_64: Process 410 attached [pid 410] set_robust_list(0x55558c7226a0, 24) = 0 [pid 410] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 410] <... openat resumed>) = 3 executing program [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] write(1, "executing program\n", 18) = 18 [pid 410] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 410] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 410] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 410] rmdir("./config/usb_gadget/g2") = 0 [pid 410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 30.995434][ T408] kobject_add_internal failed for f_midi (error: -2 parent: [ 30.995434][ T408] *) [ 31.024811][ T409] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.024811][ T409] *) [pid 410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 410] exit_group(0) = ? [pid 410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 411 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 411 attached [pid 411] set_robust_list(0x55558c7226a0, 24) = 0 [pid 411] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] write(1, "executing program\n", 18) = 18 executing program [pid 411] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 411] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 411] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 411] rmdir("./config/usb_gadget/g2") = 0 [pid 411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 411] exit_group(0) = ? [pid 411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 412 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 412 attached [pid 412] set_robust_list(0x55558c7226a0, 24) = 0 [pid 412] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setpgid(0, 0) = 0 [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 412] write(3, "1000", 4) = 4 [pid 412] close(3) = 0 [pid 412] write(1, "executing program\n", 18) = 18 executing program [pid 412] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 412] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 412] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 412] rmdir("./config/usb_gadget/g2") = 0 [pid 412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.049286][ T410] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.049286][ T410] *) [ 31.073285][ T411] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.073285][ T411] *) [pid 412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 412] exit_group(0) = ? [pid 412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 413 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 413 attached [pid 413] set_robust_list(0x55558c7226a0, 24) = 0 [pid 413] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 executing program [pid 413] write(1, "executing program\n", 18) = 18 [pid 413] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 413] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 413] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 413] rmdir("./config/usb_gadget/g2") = 0 [pid 413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 413] exit_group(0) = ? [pid 413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 414 attached , child_tidptr=0x55558c722690) = 414 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 414] set_robust_list(0x55558c7226a0, 24) = 0 [pid 414] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 414] write(3, "1000", 4) = 4 [pid 414] close(3) = 0 executing program [pid 414] write(1, "executing program\n", 18) = 18 [pid 414] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 414] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 414] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 414] rmdir("./config/usb_gadget/g2") = 0 [pid 414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.097887][ T412] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.097887][ T412] *) [ 31.123665][ T413] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.123665][ T413] *) [pid 414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 414] exit_group(0) = ? [pid 414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 415 attached , child_tidptr=0x55558c722690) = 415 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] set_robust_list(0x55558c7226a0, 24) = 0 [pid 415] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 executing program [pid 415] write(1, "executing program\n", 18) = 18 [pid 415] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 415] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 415] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 415] rmdir("./config/usb_gadget/g2") = 0 [pid 415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 415] exit_group(0) = ? [pid 415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 416 ci2-android-5-10/strace-static-x86_64: Process 416 attached [pid 416] set_robust_list(0x55558c7226a0, 24) = 0 [pid 416] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 416] <... openat resumed>) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 executing program [pid 416] write(1, "executing program\n", 18) = 18 [pid 416] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 416] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 416] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 416] <... mkdir resumed>) = 0 [pid 416] rmdir("./config/usb_gadget/g2") = 0 [pid 416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.148249][ T414] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.148249][ T414] *) [ 31.173635][ T415] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.173635][ T415] *) [pid 416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 416] exit_group(0) = ? [pid 416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 417 ci2-android-5-10/strace-static-x86_64: Process 417 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 417] set_robust_list(0x55558c7226a0, 24) = 0 [pid 417] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 [pid 417] write(1, "executing program\n", 18) = 18 [pid 417] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 417] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 417] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 417] rmdir("./config/usb_gadget/g2") = 0 [pid 417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 417] exit_group(0) = ? [pid 417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 418 attached , child_tidptr=0x55558c722690) = 418 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 418] set_robust_list(0x55558c7226a0, 24) = 0 [pid 418] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] write(1, "executing program\n", 18) = 18 executing program [pid 418] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 418] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 418] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 418] rmdir("./config/usb_gadget/g2") = 0 [pid 418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 418] exit_group(0) = ? [ 31.195576][ T416] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.195576][ T416] *) [ 31.220491][ T417] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.220491][ T417] *) [ 31.242017][ T418] kobject_add_internal failed for f_midi (error: -2 parent: [pid 418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 419 attached , child_tidptr=0x55558c722690) = 419 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] set_robust_list(0x55558c7226a0, 24) = 0 [pid 419] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 executing program [pid 419] write(1, "executing program\n", 18) = 18 [pid 419] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 419] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 419] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 419] rmdir("./config/usb_gadget/g2") = 0 [pid 419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 419] exit_group(0) = ? [pid 419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 420 ci2-android-5-10/strace-static-x86_64: Process 420 attached [pid 420] set_robust_list(0x55558c7226a0, 24) = 0 [pid 420] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 420] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 420] <... openat resumed>) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 executing program [pid 420] write(1, "executing program\n", 18) = 18 [pid 420] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 420] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 420] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 420] rmdir("./config/usb_gadget/g2") = 0 [pid 420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.242017][ T418] *) [ 31.267692][ T419] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.267692][ T419] *) [ 31.292679][ T420] kobject_add_internal failed for f_midi (error: -2 parent: [pid 420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 421 attached , child_tidptr=0x55558c722690) = 421 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] set_robust_list(0x55558c7226a0, 24) = 0 [pid 421] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 421] setpgid(0, 0) = 0 [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] write(3, "1000", 4) = 4 [pid 421] close(3) = 0 [pid 421] write(1, "executing program\n", 18) = 18 executing program [pid 421] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 421] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 421] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 421] rmdir("./config/usb_gadget/g2") = 0 [pid 421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 421] exit_group(0) = ? [pid 421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 422 attached , child_tidptr=0x55558c722690) = 422 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] set_robust_list(0x55558c7226a0, 24) = 0 [pid 422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] write(1, "executing program\n", 18) = 18 executing program [pid 422] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 422] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 422] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 422] rmdir("./config/usb_gadget/g2") = 0 [pid 422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 423 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 423 attached [pid 423] set_robust_list(0x55558c7226a0, 24) = 0 [pid 423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 executing program [pid 423] write(1, "executing program\n", 18) = 18 [pid 423] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 423] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 423] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 423] rmdir("./config/usb_gadget/g2") = 0 [pid 423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.292679][ T420] *) [ 31.316389][ T421] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.316389][ T421] *) [ 31.339948][ T422] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.339948][ T422] *) [pid 423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 424 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 424 attached [pid 424] set_robust_list(0x55558c7226a0, 24) = 0 [pid 424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] write(1, "executing program\n", 18) = 18 executing program [pid 424] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 424] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 424] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 424] rmdir("./config/usb_gadget/g2") = 0 [pid 424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 424] exit_group(0) = ? [pid 424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 425 attached , child_tidptr=0x55558c722690) = 425 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] set_robust_list(0x55558c7226a0, 24) = 0 [pid 425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] write(1, "executing program\n", 18) = 18 executing program [pid 425] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 425] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 425] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 425] rmdir("./config/usb_gadget/g2") = 0 [pid 425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.363749][ T423] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.363749][ T423] *) [ 31.383218][ T424] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.383218][ T424] *) [pid 425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 425] exit_group(0) = ? [pid 425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 426 attached , child_tidptr=0x55558c722690) = 426 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] set_robust_list(0x55558c7226a0, 24) = 0 [pid 426] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] write(1, "executing program\n", 18) = 18 executing program [pid 426] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 426] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 426] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 426] rmdir("./config/usb_gadget/g2") = 0 [pid 426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 426] exit_group(0) = ? [pid 426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 427 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 427 attached [pid 427] set_robust_list(0x55558c7226a0, 24) = 0 [pid 427] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] write(1, "executing program\n", 18) = 18 executing program [pid 427] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 427] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 427] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 427] rmdir("./config/usb_gadget/g2") = 0 [pid 427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 427] exit_group(0) = ? [ 31.408112][ T425] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.408112][ T425] *) [ 31.432983][ T426] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.432983][ T426] *) [ 31.455041][ T427] kobject_add_internal failed for f_midi (error: -2 parent: [pid 427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 428 attached , child_tidptr=0x55558c722690) = 428 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] set_robust_list(0x55558c7226a0, 24) = 0 [pid 428] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] write(1, "executing program\n", 18) = 18 executing program [pid 428] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 428] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 428] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 428] rmdir("./config/usb_gadget/g2") = 0 [pid 428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 429 ci2-android-5-10/strace-static-x86_64: Process 429 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] set_robust_list(0x55558c7226a0, 24) = 0 [pid 429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] write(1, "executing program\n", 18) = 18 executing program [pid 429] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 429] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 429] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 429] rmdir("./config/usb_gadget/g2") = 0 [pid 429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 429] exit_group(0) = ? [pid 429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 430 attached , child_tidptr=0x55558c722690) = 430 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] set_robust_list(0x55558c7226a0, 24) = 0 [pid 430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 executing program [pid 430] write(1, "executing program\n", 18) = 18 [pid 430] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 430] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 430] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 430] rmdir("./config/usb_gadget/g2") = 0 [pid 430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.455041][ T427] *) [ 31.480067][ T428] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.480067][ T428] *) [ 31.501809][ T429] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.501809][ T429] *) [pid 430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 431 attached , child_tidptr=0x55558c722690) = 431 [pid 431] set_robust_list(0x55558c7226a0, 24) = 0 [pid 431] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 431] <... prctl resumed>) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 executing program [pid 431] write(1, "executing program\n", 18) = 18 [pid 431] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 431] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 431] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 431] <... mkdir resumed>) = 0 [pid 431] rmdir("./config/usb_gadget/g2") = 0 [pid 431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 431] exit_group(0) = ? [pid 431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 432 attached , child_tidptr=0x55558c722690) = 432 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 432] set_robust_list(0x55558c7226a0, 24) = 0 [pid 432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] write(1, "executing program\n", 18) = 18 executing program [pid 432] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 432] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 31.531605][ T430] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.531605][ T430] *) [ 31.556998][ T431] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.556998][ T431] *) [pid 432] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 432] rmdir("./config/usb_gadget/g2") = 0 [pid 432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 433 attached , child_tidptr=0x55558c722690) = 433 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] set_robust_list(0x55558c7226a0, 24) = 0 [pid 433] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 executing program [pid 433] write(1, "executing program\n", 18) = 18 [pid 433] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 433] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 433] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 433] rmdir("./config/usb_gadget/g2") = 0 [pid 433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 434 ci2-android-5-10/strace-static-x86_64: Process 434 attached [pid 434] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] write(1, "executing program\n", 18) = 18 executing program [pid 434] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 434] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 31.581397][ T432] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.581397][ T432] *) [ 31.613060][ T433] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.613060][ T433] *) [pid 434] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 434] rmdir("./config/usb_gadget/g2") = 0 [pid 434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 435 attached , child_tidptr=0x55558c722690) = 435 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] set_robust_list(0x55558c7226a0, 24) = 0 [pid 435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] write(1, "executing program\n", 18) = 18 executing program [pid 435] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 435] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 435] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 435] rmdir("./config/usb_gadget/g2") = 0 [pid 435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 436 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 436 attached [pid 436] set_robust_list(0x55558c7226a0, 24) = 0 [pid 436] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 executing program [pid 436] close(3) = 0 [pid 436] write(1, "executing program\n", 18) = 18 [pid 436] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 436] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 436] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 436] rmdir("./config/usb_gadget/g2") = 0 [pid 436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.637836][ T434] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.637836][ T434] *) [ 31.659959][ T435] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.659959][ T435] *) [pid 436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 437 attached , child_tidptr=0x55558c722690) = 437 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] set_robust_list(0x55558c7226a0, 24) = 0 [pid 437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 executing program [pid 437] write(1, "executing program\n", 18) = 18 [pid 437] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 437] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 437] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 437] rmdir("./config/usb_gadget/g2") = 0 [pid 437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.681864][ T436] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.681864][ T436] *) [pid 437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 438 attached , child_tidptr=0x55558c722690) = 438 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] set_robust_list(0x55558c7226a0, 24) = 0 [pid 438] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 438] setpgid(0, 0) = 0 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 438] write(3, "1000", 4) = 4 [pid 438] close(3) = 0 [pid 438] write(1, "executing program\n", 18) = 18 executing program [pid 438] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 438] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 438] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 438] rmdir("./config/usb_gadget/g2") = 0 [pid 438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 439 ci2-android-5-10/strace-static-x86_64: Process 439 attached [pid 439] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 439] rt_sigprocmask(SIG_SETMASK, [] [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 439] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] write(1, "executing program\n", 18) = 18 executing program [pid 439] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 439] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 439] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 439] rmdir("./config/usb_gadget/g2") = 0 [pid 439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.709274][ T437] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.709274][ T437] *) [ 31.734481][ T438] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.734481][ T438] *) [pid 439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 439] exit_group(0) = ? [pid 439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 440 attached , child_tidptr=0x55558c722690) = 440 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] set_robust_list(0x55558c7226a0, 24) = 0 [pid 440] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 executing program [pid 440] write(1, "executing program\n", 18) = 18 [pid 440] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 440] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 440] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 440] rmdir("./config/usb_gadget/g2") = 0 [pid 440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 441 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 441 attached [pid 441] set_robust_list(0x55558c7226a0, 24) = 0 [pid 441] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] write(1, "executing program\n", 18) = 18 executing program [pid 441] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 441] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 441] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 441] rmdir("./config/usb_gadget/g2") = 0 [pid 441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.759054][ T439] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.759054][ T439] *) [ 31.787028][ T440] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.787028][ T440] *) [pid 441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 442 attached , child_tidptr=0x55558c722690) = 442 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] set_robust_list(0x55558c7226a0, 24) = 0 [pid 442] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] write(1, "executing program\n", 18) = 18 executing program [pid 442] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 442] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 442] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 442] rmdir("./config/usb_gadget/g2") = 0 [pid 442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 443 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 443 attached [pid 443] set_robust_list(0x55558c7226a0, 24) = 0 [pid 443] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 executing program [pid 443] write(1, "executing program\n", 18) = 18 [pid 443] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 443] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 443] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 443] rmdir("./config/usb_gadget/g2") = 0 [pid 443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.805915][ T441] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.805915][ T441] *) [ 31.831036][ T442] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.831036][ T442] *) [ 31.852597][ T443] kobject_add_internal failed for f_midi (error: -2 parent: [pid 443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 443] exit_group(0) = ? [pid 443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 444 attached , child_tidptr=0x55558c722690) = 444 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 444] set_robust_list(0x55558c7226a0, 24) = 0 [pid 444] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] write(1, "executing program\n", 18) = 18 executing program [pid 444] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 444] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 444] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 444] rmdir("./config/usb_gadget/g2") = 0 [pid 444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 445 attached , child_tidptr=0x55558c722690) = 445 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] set_robust_list(0x55558c7226a0, 24) = 0 [pid 445] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] write(1, "executing program\n", 18) = 18 executing program [pid 445] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 445] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 445] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 445] rmdir("./config/usb_gadget/g2") = 0 [pid 445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.852597][ T443] *) [ 31.878214][ T444] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.878214][ T444] *) [pid 445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 446 ci2-android-5-10/strace-static-x86_64: Process 446 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 446] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 446] <... set_robust_list resumed>) = 0 [pid 446] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 executing program [pid 446] write(1, "executing program\n", 18) = 18 [pid 446] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 446] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 446] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 446] rmdir("./config/usb_gadget/g2") = 0 [pid 446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 446] exit_group(0) = ? [pid 446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 447 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 447 attached [pid 447] set_robust_list(0x55558c7226a0, 24) = 0 [pid 447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 447] close(3) = 0 executing program [pid 447] write(1, "executing program\n", 18) = 18 [pid 447] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 447] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 447] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 447] rmdir("./config/usb_gadget/g2") = 0 [pid 447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.905195][ T445] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.905195][ T445] *) [ 31.929767][ T446] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.929767][ T446] *) [pid 447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 447] exit_group(0) = ? [pid 447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 448 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 448 attached [pid 448] set_robust_list(0x55558c7226a0, 24) = 0 [pid 448] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 executing program [pid 448] write(1, "executing program\n", 18) = 18 [pid 448] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 448] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 448] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 448] rmdir("./config/usb_gadget/g2") = 0 [pid 448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 448] exit_group(0) = ? [pid 448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 449 attached , child_tidptr=0x55558c722690) = 449 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] set_robust_list(0x55558c7226a0, 24) = 0 [pid 449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 executing program [pid 449] write(1, "executing program\n", 18) = 18 [pid 449] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 449] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 449] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 449] rmdir("./config/usb_gadget/g2") = 0 [pid 449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 31.956358][ T447] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.956358][ T447] *) [ 31.979193][ T448] kobject_add_internal failed for f_midi (error: -2 parent: [ 31.979193][ T448] *) [pid 449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 450 ci2-android-5-10/strace-static-x86_64: Process 450 attached [pid 450] set_robust_list(0x55558c7226a0, 24) = 0 [pid 450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] write(1, "executing program\n", 18) = 18 executing program [pid 450] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 450] mount(NULL, "./config", "configfs", 0, NULL [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 450] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 450] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 450] rmdir("./config/usb_gadget/g2") = 0 [pid 450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 450] exit_group(0) = ? [pid 450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 451 attached , child_tidptr=0x55558c722690) = 451 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] set_robust_list(0x55558c7226a0, 24) = 0 [pid 451] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] write(3, "1000", 4) = 4 [pid 451] close(3) = 0 executing program [pid 451] write(1, "executing program\n", 18) = 18 [pid 451] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 451] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 451] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 451] rmdir("./config/usb_gadget/g2") = 0 [pid 451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.004317][ T449] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.004317][ T449] *) [ 32.030392][ T450] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.030392][ T450] *) [pid 451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 451] exit_group(0) = ? [pid 451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 452 ci2-android-5-10/strace-static-x86_64: Process 452 attached [pid 452] set_robust_list(0x55558c7226a0, 24) = 0 [pid 452] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] write(1, "executing program\n", 18) = 18 executing program [pid 452] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 452] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 452] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 452] rmdir("./config/usb_gadget/g2") = 0 [pid 452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 452] exit_group(0) = ? [pid 452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 453 ci2-android-5-10/strace-static-x86_64: Process 453 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] set_robust_list(0x55558c7226a0, 24) = 0 [pid 453] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 executing program [pid 453] write(1, "executing program\n", 18) = 18 [pid 453] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 453] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 453] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 453] rmdir("./config/usb_gadget/g2") = 0 [pid 453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.056152][ T451] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.056152][ T451] *) [ 32.081153][ T452] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.081153][ T452] *) [pid 453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 453] exit_group(0) = ? [pid 453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 454 ci2-android-5-10/strace-static-x86_64: Process 454 attached [pid 454] set_robust_list(0x55558c7226a0, 24) = 0 [pid 454] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] write(1, "executing program\n", 18) = 18 executing program [pid 454] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 454] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 454] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 454] <... mkdir resumed>) = 0 [pid 454] rmdir("./config/usb_gadget/g2") = 0 [pid 454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 454] exit_group(0) = ? [pid 454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 455 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 455 attached [pid 455] set_robust_list(0x55558c7226a0, 24) = 0 [pid 455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] write(1, "executing program\n", 18) = 18 executing program [pid 455] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 455] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 455] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 455] rmdir("./config/usb_gadget/g2") = 0 [pid 455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.106867][ T453] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.106867][ T453] *) [ 32.131850][ T454] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.131850][ T454] *) [pid 455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 455] exit_group(0) = ? [pid 455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 456 attached , child_tidptr=0x55558c722690) = 456 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] set_robust_list(0x55558c7226a0, 24) = 0 [pid 456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 456] setpgid(0, 0) = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 456] write(3, "1000", 4) = 4 [pid 456] close(3) = 0 executing program [pid 456] write(1, "executing program\n", 18) = 18 [pid 456] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 456] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 456] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 456] rmdir("./config/usb_gadget/g2") = 0 [pid 456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.155602][ T455] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.155602][ T455] *) [pid 456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 456] exit_group(0) = ? [pid 456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 457 ci2-android-5-10/strace-static-x86_64: Process 457 attached [pid 457] set_robust_list(0x55558c7226a0, 24) = 0 [pid 457] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 457] <... openat resumed>) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] write(1, "executing program\n", 18) = 18 executing program [pid 457] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 457] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 457] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 457] rmdir("./config/usb_gadget/g2") = 0 [pid 457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 457] exit_group(0) = ? [pid 457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 458 attached , child_tidptr=0x55558c722690) = 458 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] set_robust_list(0x55558c7226a0, 24) = 0 [pid 458] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] write(1, "executing program\n", 18) = 18 executing program [pid 458] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 458] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 458] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 458] rmdir("./config/usb_gadget/g2") = 0 [pid 458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.184086][ T456] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.184086][ T456] *) [ 32.208885][ T457] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.208885][ T457] *) [pid 458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 458] exit_group(0) = ? [pid 458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 459 ci2-android-5-10/strace-static-x86_64: Process 459 attached [pid 459] set_robust_list(0x55558c7226a0, 24) = 0 [pid 459] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 459] write(3, "1000", 4) = 4 [pid 459] close(3) = 0 [pid 459] write(1, "executing program\n", 18) = 18 executing program [pid 459] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 459] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 459] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 459] rmdir("./config/usb_gadget/g2") = 0 [pid 459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 459] <... mkdirat resumed>) = -1 ENODEV (No such device) [pid 459] exit_group(0) = ? [pid 459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 460 attached , child_tidptr=0x55558c722690) = 460 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] set_robust_list(0x55558c7226a0, 24) = 0 [pid 460] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] write(1, "executing program\n", 18) = 18 executing program [pid 460] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 460] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 460] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 460] rmdir("./config/usb_gadget/g2") = 0 [pid 460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.236772][ T458] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.236772][ T458] *) [ 32.264594][ T459] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.264594][ T459] *) [pid 460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 460] exit_group(0) = ? [pid 460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 461 attached , child_tidptr=0x55558c722690) = 461 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 461] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 461] <... set_robust_list resumed>) = 0 [pid 461] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] write(1, "executing program\n", 18) = 18 [pid 461] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 461] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 461] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 461] rmdir("./config/usb_gadget/g2") = 0 [pid 461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 461] exit_group(0) = ? [pid 461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 462 attached , child_tidptr=0x55558c722690) = 462 [pid 462] set_robust_list(0x55558c7226a0, 24) = 0 [pid 462] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 462] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 462] setpgid(0, 0) = 0 [pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 462] <... openat resumed>) = 3 [pid 462] write(3, "1000", 4) = 4 [pid 462] close(3) = 0 executing program [pid 462] write(1, "executing program\n", 18) = 18 [pid 462] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 462] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 462] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 462] rmdir("./config/usb_gadget/g2") = 0 [pid 462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.286073][ T460] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.286073][ T460] *) [ 32.311596][ T461] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.311596][ T461] *) [pid 462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 462] exit_group(0) = ? [pid 462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 463 attached , child_tidptr=0x55558c722690) = 463 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] set_robust_list(0x55558c7226a0, 24) = 0 [pid 463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0) = 0 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 463] write(3, "1000", 4) = 4 [pid 463] close(3) = 0 [pid 463] write(1, "executing program\n", 18) = 18 executing program [pid 463] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 463] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 463] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 463] rmdir("./config/usb_gadget/g2") = 0 [pid 463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 463] exit_group(0) = ? [pid 463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 464 attached , child_tidptr=0x55558c722690) = 464 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] set_robust_list(0x55558c7226a0, 24) = 0 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] write(1, "executing program\n", 18) = 18 executing program [pid 464] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 464] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 464] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 464] rmdir("./config/usb_gadget/g2") = 0 [pid 464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.333975][ T462] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.333975][ T462] *) [ 32.356187][ T463] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.356187][ T463] *) [pid 464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 464] exit_group(0) = ? [pid 464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 465 ci2-android-5-10/strace-static-x86_64: Process 465 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 465] set_robust_list(0x55558c7226a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 465] setpgid(0, 0) = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 465] <... openat resumed>) = 3 [pid 465] write(3, "1000", 4) = 4 [pid 465] close(3) = 0 [pid 465] write(1, "executing program\n", 18) = 18 executing program [pid 465] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 465] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 465] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 465] rmdir("./config/usb_gadget/g2") = 0 [pid 465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 465] exit_group(0) = ? [pid 465] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 466 attached , child_tidptr=0x55558c722690) = 466 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] set_robust_list(0x55558c7226a0, 24) = 0 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] write(1, "executing program\n", 18) = 18 executing program [pid 466] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 466] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 466] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 466] rmdir("./config/usb_gadget/g2") = 0 [pid 466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.381177][ T464] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.381177][ T464] *) [ 32.405875][ T465] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.405875][ T465] *) [pid 466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 466] exit_group(0) = ? [pid 466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 467 ci2-android-5-10/strace-static-x86_64: Process 467 attached [pid 467] set_robust_list(0x55558c7226a0, 24) = 0 [pid 467] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 467] <... openat resumed>) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] write(1, "executing program\n", 18) = 18 executing program [pid 467] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 467] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 467] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 467] rmdir("./config/usb_gadget/g2") = 0 [pid 467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 467] exit_group(0) = ? [pid 467] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 468 ci2-android-5-10/strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x55558c7226a0, 24) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] <... openat resumed>) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] write(1, "executing program\n", 18) = 18 [pid 468] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 468] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 468] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 468] rmdir("./config/usb_gadget/g2") = 0 [pid 468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.435296][ T466] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.435296][ T466] *) [ 32.461363][ T467] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.461363][ T467] *) [pid 468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 468] exit_group(0) = ? [pid 468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 469 attached , child_tidptr=0x55558c722690) = 469 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] set_robust_list(0x55558c7226a0, 24) = 0 [pid 469] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 469] setpgid(0, 0) = 0 [pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 469] write(3, "1000", 4) = 4 [pid 469] close(3) = 0 [pid 469] write(1, "executing program\n", 18) = 18 [pid 469] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 469] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 469] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 469] rmdir("./config/usb_gadget/g2") = 0 [pid 469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 469] exit_group(0) = ? [pid 469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 470 ci2-android-5-10/strace-static-x86_64: Process 470 attached [pid 470] set_robust_list(0x55558c7226a0, 24) = 0 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] write(1, "executing program\n", 18) = 18 [pid 470] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 470] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 470] mkdir("./config/usb_gadget/g2", 0777) = 0 [ 32.487223][ T468] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.487223][ T468] *) [ 32.514477][ T469] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.514477][ T469] *) [pid 470] rmdir("./config/usb_gadget/g2") = 0 [pid 470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 470] exit_group(0) = ? [pid 470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 471 attached , child_tidptr=0x55558c722690) = 471 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] set_robust_list(0x55558c7226a0, 24) = 0 [pid 471] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 471] setpgid(0, 0) = 0 [pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 471] write(3, "1000", 4) = 4 [pid 471] close(3) = 0 [pid 471] write(1, "executing program\n", 18) = 18 [pid 471] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 471] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 471] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 471] rmdir("./config/usb_gadget/g2") = 0 [pid 471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 471] exit_group(0) = ? [pid 471] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 472 ci2-android-5-10/strace-static-x86_64: Process 472 attached [pid 472] set_robust_list(0x55558c7226a0, 24) = 0 [pid 472] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 472] <... openat resumed>) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] write(1, "executing program\n", 18) = 18 executing program [pid 472] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 472] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 472] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 472] rmdir("./config/usb_gadget/g2") = 0 [pid 472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.539804][ T470] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.539804][ T470] *) [ 32.563041][ T471] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.563041][ T471] *) [pid 472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 472] exit_group(0) = ? [pid 472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 473 attached , child_tidptr=0x55558c722690) = 473 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 473] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 473] <... set_robust_list resumed>) = 0 [pid 473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] write(1, "executing program\n", 18) = 18 executing program [pid 473] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 473] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 473] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 473] rmdir("./config/usb_gadget/g2") = 0 [pid 473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 473] exit_group(0) = ? [pid 473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 474 ci2-android-5-10/strace-static-x86_64: Process 474 attached [pid 474] set_robust_list(0x55558c7226a0, 24) = 0 [pid 474] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 474] write(3, "1000", 4) = 4 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 474] close(3) = 0 executing program [pid 474] write(1, "executing program\n", 18) = 18 [pid 474] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 474] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 474] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 474] rmdir("./config/usb_gadget/g2") = 0 [pid 474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.590125][ T472] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.590125][ T472] *) [ 32.612923][ T473] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.612923][ T473] *) [pid 474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 474] exit_group(0) = ? [pid 474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 475 attached , child_tidptr=0x55558c722690) = 475 [pid 475] set_robust_list(0x55558c7226a0, 24 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] <... set_robust_list resumed>) = 0 [pid 475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] setpgid(0, 0) = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] write(3, "1000", 4) = 4 [pid 475] close(3) = 0 executing program [pid 475] write(1, "executing program\n", 18) = 18 [pid 475] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 475] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 475] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 475] rmdir("./config/usb_gadget/g2") = 0 [pid 475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 475] exit_group(0) = ? [pid 475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 476 ci2-android-5-10/strace-static-x86_64: Process 476 attached [pid 476] set_robust_list(0x55558c7226a0, 24) = 0 [pid 476] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 476] <... openat resumed>) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] write(1, "executing program\n", 18) = 18 [pid 476] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 476] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 476] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 476] rmdir("./config/usb_gadget/g2") = 0 [pid 476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [ 32.637663][ T474] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.637663][ T474] *) [ 32.665850][ T475] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.665850][ T475] *) [pid 476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 476] exit_group(0) = ? [pid 476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 477 attached , child_tidptr=0x55558c722690) = 477 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 477] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 477] <... set_robust_list resumed>) = 0 [pid 477] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] write(1, "executing program\n", 18) = 18 executing program [pid 477] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 477] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 477] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 477] rmdir("./config/usb_gadget/g2") = 0 [pid 477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 477] exit_group(0) = ? [pid 477] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 478 attached , child_tidptr=0x55558c722690) = 478 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 478] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 478] <... set_robust_list resumed>) = 0 [pid 478] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 478] setpgid(0, 0) = 0 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 478] write(3, "1000", 4) = 4 [pid 478] close(3) = 0 [pid 478] write(1, "executing program\n", 18) = 18 executing program [pid 478] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 478] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 478] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 478] rmdir("./config/usb_gadget/g2") = 0 [pid 478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.691378][ T476] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.691378][ T476] *) [ 32.717273][ T477] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.717273][ T477] *) [pid 478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 478] exit_group(0) = ? [pid 478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 479 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 479 attached [pid 479] set_robust_list(0x55558c7226a0, 24) = 0 [pid 479] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] write(1, "executing program\n", 18) = 18 executing program [pid 479] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 479] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 479] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 479] rmdir("./config/usb_gadget/g2") = 0 [pid 479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 479] exit_group(0) = ? [pid 479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 480 attached , child_tidptr=0x55558c722690) = 480 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] set_robust_list(0x55558c7226a0, 24) = 0 [pid 480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 executing program [pid 480] write(1, "executing program\n", 18) = 18 [pid 480] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 480] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 480] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 480] rmdir("./config/usb_gadget/g2") = 0 [pid 480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.738913][ T478] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.738913][ T478] *) [ 32.764567][ T479] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.764567][ T479] *) [pid 480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 480] exit_group(0) = ? [pid 480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 481 attached , child_tidptr=0x55558c722690) = 481 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 481] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 481] <... set_robust_list resumed>) = 0 [pid 481] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 executing program [pid 481] write(1, "executing program\n", 18) = 18 [pid 481] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 481] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 481] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 481] rmdir("./config/usb_gadget/g2") = 0 [pid 481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 481] exit_group(0) = ? [pid 481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 482 ci2-android-5-10/strace-static-x86_64: Process 482 attached [pid 482] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 482] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 482] <... openat resumed>) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] write(1, "executing program\n", 18) = 18 executing program [pid 482] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 482] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 482] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 482] rmdir("./config/usb_gadget/g2") = 0 [pid 482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.790876][ T480] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.790876][ T480] *) [ 32.820045][ T481] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.820045][ T481] *) [pid 482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 482] exit_group(0) = ? [pid 482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 483 attached , child_tidptr=0x55558c722690) = 483 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] set_robust_list(0x55558c7226a0, 24) = 0 [pid 483] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] write(1, "executing program\n", 18) = 18 executing program [pid 483] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 483] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 483] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 483] rmdir("./config/usb_gadget/g2") = 0 [pid 483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 483] exit_group(0) = ? [pid 483] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 484 ci2-android-5-10/strace-static-x86_64: Process 484 attached [pid 484] set_robust_list(0x55558c7226a0, 24) = 0 [pid 484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3) = 0 [pid 484] write(1, "executing program\n", 18) = 18 executing program [pid 484] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 484] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 484] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 484] <... mkdir resumed>) = 0 [pid 484] rmdir("./config/usb_gadget/g2") = 0 [pid 484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.845929][ T482] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.845929][ T482] *) [ 32.875558][ T483] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.875558][ T483] *) [pid 484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 484] exit_group(0) = ? [pid 484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 485 attached , child_tidptr=0x55558c722690) = 485 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] set_robust_list(0x55558c7226a0, 24) = 0 [pid 485] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] write(1, "executing program\n", 18) = 18 executing program [pid 485] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 485] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 485] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 485] rmdir("./config/usb_gadget/g2") = 0 [pid 485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 485] exit_group(0) = ? [pid 485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 486 attached , child_tidptr=0x55558c722690) = 486 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] set_robust_list(0x55558c7226a0, 24) = 0 [pid 486] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 [pid 486] write(1, "executing program\n", 18) = 18 executing program [pid 486] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 486] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 486] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 486] rmdir("./config/usb_gadget/g2") = 0 [pid 486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 32.900579][ T484] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.900579][ T484] *) [ 32.924900][ T485] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.924900][ T485] *) [pid 486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 486] exit_group(0) = ? [pid 486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 487 ci2-android-5-10/strace-static-x86_64: Process 487 attached [pid 487] set_robust_list(0x55558c7226a0, 24) = 0 [pid 487] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 487] setpgid(0, 0) = 0 [pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 487] <... openat resumed>) = 3 [pid 487] write(3, "1000", 4) = 4 [pid 487] close(3) = 0 [pid 487] write(1, "executing program\n", 18) = 18 executing program [pid 487] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 487] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 487] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 487] rmdir("./config/usb_gadget/g2") = 0 [pid 487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 487] exit_group(0) = ? [pid 487] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 488 attached , child_tidptr=0x55558c722690) = 488 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] set_robust_list(0x55558c7226a0, 24) = 0 [pid 488] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 executing program [pid 488] write(1, "executing program\n", 18) = 18 [pid 488] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 488] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 488] mkdir("./config/usb_gadget/g2", 0777) = 0 [ 32.954861][ T486] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.954861][ T486] *) [ 32.980573][ T487] kobject_add_internal failed for f_midi (error: -2 parent: [ 32.980573][ T487] *) [pid 488] rmdir("./config/usb_gadget/g2") = 0 [pid 488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 488] exit_group(0) = ? [pid 488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 489 ci2-android-5-10/strace-static-x86_64: Process 489 attached [pid 489] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 489] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 executing program [pid 489] write(1, "executing program\n", 18) = 18 [pid 489] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 489] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 489] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 489] rmdir("./config/usb_gadget/g2") = 0 [pid 489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 489] exit_group(0) = ? [pid 489] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 490 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 490 attached [pid 490] set_robust_list(0x55558c7226a0, 24) = 0 [pid 490] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 490] write(3, "1000", 4) = 4 [pid 490] close(3) = 0 [pid 490] write(1, "executing program\n", 18) = 18 executing program [pid 490] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 490] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 490] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 490] rmdir("./config/usb_gadget/g2") = 0 [pid 490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.009911][ T488] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.009911][ T488] *) [ 33.034504][ T489] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.034504][ T489] *) [pid 490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 490] exit_group(0) = ? [pid 490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 491 attached , child_tidptr=0x55558c722690) = 491 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] set_robust_list(0x55558c7226a0, 24) = 0 [pid 491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] write(1, "executing program\n", 18) = 18 executing program [pid 491] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 491] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 491] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 491] rmdir("./config/usb_gadget/g2") = 0 [pid 491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 491] exit_group(0) = ? [pid 491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 492 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 492 attached [pid 492] set_robust_list(0x55558c7226a0, 24) = 0 [pid 492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3) = 0 [pid 492] write(1, "executing program\n", 18) = 18 executing program [pid 492] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 492] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 492] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 492] rmdir("./config/usb_gadget/g2") = 0 [pid 492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.057716][ T490] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.057716][ T490] *) [ 33.084009][ T491] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.084009][ T491] *) [pid 492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 492] exit_group(0) = ? [pid 492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 493 attached , child_tidptr=0x55558c722690) = 493 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] set_robust_list(0x55558c7226a0, 24) = 0 [pid 493] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 493] setpgid(0, 0) = 0 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 493] write(3, "1000", 4) = 4 [pid 493] close(3) = 0 [pid 493] write(1, "executing program\n", 18) = 18 executing program [pid 493] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 493] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 493] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 493] rmdir("./config/usb_gadget/g2") = 0 [pid 493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 493] exit_group(0) = ? [pid 493] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 494 attached , child_tidptr=0x55558c722690) = 494 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] set_robust_list(0x55558c7226a0, 24) = 0 [pid 494] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 [pid 494] write(1, "executing program\n", 18) = 18 executing program [pid 494] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 494] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 494] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 494] rmdir("./config/usb_gadget/g2") = 0 [pid 494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.108922][ T492] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.108922][ T492] *) [ 33.133804][ T493] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.133804][ T493] *) [pid 494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 494] exit_group(0) = ? [pid 494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 495 attached [pid 495] set_robust_list(0x55558c7226a0, 24) = 0 [pid 495] rt_sigprocmask(SIG_SETMASK, [] [pid 297] <... clone resumed>, child_tidptr=0x55558c722690) = 495 [pid 495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 495] <... openat resumed>) = 3 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 executing program [pid 495] write(1, "executing program\n", 18) = 18 [pid 495] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 495] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 495] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 495] rmdir("./config/usb_gadget/g2") = 0 [pid 495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 495] exit_group(0) = ? [pid 495] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 496 attached , child_tidptr=0x55558c722690) = 496 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] set_robust_list(0x55558c7226a0, 24) = 0 [pid 496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 496] close(3) = 0 [pid 496] write(1, "executing program\n", 18) = 18 executing program [pid 496] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 496] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 496] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 496] rmdir("./config/usb_gadget/g2") = 0 [pid 496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.163445][ T494] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.163445][ T494] *) [ 33.181933][ T495] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.181933][ T495] *) [ 33.205388][ T496] kobject_add_internal failed for f_midi (error: -2 parent: [pid 496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 496] exit_group(0) = ? [pid 496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 497 attached , child_tidptr=0x55558c722690) = 497 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 497] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 497] <... set_robust_list resumed>) = 0 [pid 497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 executing program [pid 497] write(1, "executing program\n", 18) = 18 [pid 497] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 497] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 497] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 497] rmdir("./config/usb_gadget/g2") = 0 [pid 497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 497] exit_group(0) = ? [pid 497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 498 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 498 attached [pid 498] set_robust_list(0x55558c7226a0, 24) = 0 [pid 498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 498] setpgid(0, 0) = 0 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] write(3, "1000", 4) = 4 [pid 498] close(3) = 0 [pid 498] write(1, "executing program\n", 18) = 18 executing program [pid 498] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 498] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 498] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 498] rmdir("./config/usb_gadget/g2") = 0 [pid 498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.205388][ T496] *) [ 33.231250][ T497] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.231250][ T497] *) [pid 498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 498] exit_group(0) = ? [pid 498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 499 attached , child_tidptr=0x55558c722690) = 499 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 499] set_robust_list(0x55558c7226a0, 24) = 0 [pid 499] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 499] setpgid(0, 0) = 0 [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 499] write(3, "1000", 4) = 4 [pid 499] close(3) = 0 [pid 499] write(1, "executing program\n", 18) = 18 executing program [pid 499] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 499] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 499] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 499] rmdir("./config/usb_gadget/g2") = 0 [pid 499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.257063][ T498] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.257063][ T498] *) [pid 499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 499] exit_group(0) = ? [pid 499] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 500 ci2-android-5-10/strace-static-x86_64: Process 500 attached [pid 500] set_robust_list(0x55558c7226a0, 24) = 0 [pid 500] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 500] <... openat resumed>) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] write(1, "executing program\n", 18) = 18 executing program [pid 500] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 500] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 500] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 500] rmdir("./config/usb_gadget/g2") = 0 [pid 500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 500] exit_group(0) = ? [pid 500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 501 attached , child_tidptr=0x55558c722690) = 501 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 501] set_robust_list(0x55558c7226a0, 24) = 0 [pid 501] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 501] write(1, "executing program\n", 18) = 18 executing program [pid 501] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 501] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 501] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 501] rmdir("./config/usb_gadget/g2") = 0 [pid 501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.284241][ T499] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.284241][ T499] *) [ 33.309003][ T500] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.309003][ T500] *) [pid 501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 501] exit_group(0) = ? [pid 501] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 502 attached , child_tidptr=0x55558c722690) = 502 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] set_robust_list(0x55558c7226a0, 24) = 0 [pid 502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] write(1, "executing program\n", 18) = 18 executing program [pid 502] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 502] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 502] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 502] rmdir("./config/usb_gadget/g2") = 0 [pid 502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 502] exit_group(0) = ? [pid 502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 503 ci2-android-5-10/strace-static-x86_64: Process 503 attached [pid 503] set_robust_list(0x55558c7226a0, 24) = 0 [pid 503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 503] <... openat resumed>) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 executing program [pid 503] write(1, "executing program\n", 18) = 18 [pid 503] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 503] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 503] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 503] rmdir("./config/usb_gadget/g2") = 0 [pid 503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.335160][ T501] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.335160][ T501] *) [ 33.362707][ T502] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.362707][ T502] *) [pid 503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 503] exit_group(0) = ? [pid 503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 504 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 504 attached [pid 504] set_robust_list(0x55558c7226a0, 24) = 0 [pid 504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] write(1, "executing program\n", 18) = 18 executing program [pid 504] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 504] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 504] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 504] rmdir("./config/usb_gadget/g2") = 0 [pid 504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 504] exit_group(0) = ? [pid 504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 505 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 505 attached [pid 505] set_robust_list(0x55558c7226a0, 24) = 0 [pid 505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 505] setpgid(0, 0) = 0 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 505] write(3, "1000", 4) = 4 [pid 505] close(3) = 0 executing program [pid 505] write(1, "executing program\n", 18) = 18 [pid 505] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 505] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 505] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 505] rmdir("./config/usb_gadget/g2") = 0 [pid 505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.388747][ T503] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.388747][ T503] *) [ 33.411473][ T504] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.411473][ T504] *) [pid 505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 505] exit_group(0) = ? [pid 505] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 506 attached , child_tidptr=0x55558c722690) = 506 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 506] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 506] <... set_robust_list resumed>) = 0 [pid 506] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 [pid 506] close(3) = 0 [pid 506] write(1, "executing program\n", 18) = 18 executing program [pid 506] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 506] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 506] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 506] rmdir("./config/usb_gadget/g2") = 0 [pid 506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 506] exit_group(0) = ? [pid 506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 507 attached , child_tidptr=0x55558c722690) = 507 [pid 507] set_robust_list(0x55558c7226a0, 24) = 0 [pid 507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 executing program [pid 507] write(1, "executing program\n", 18) = 18 [pid 507] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 507] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 507] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 507] <... mkdir resumed>) = 0 [pid 507] rmdir("./config/usb_gadget/g2") = 0 [pid 507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.436798][ T505] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.436798][ T505] *) [ 33.462238][ T506] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.462238][ T506] *) [pid 507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 507] exit_group(0) = ? [pid 507] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 508 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 508 attached [pid 508] set_robust_list(0x55558c7226a0, 24) = 0 [pid 508] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 508] setpgid(0, 0) = 0 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 508] write(3, "1000", 4) = 4 [pid 508] close(3) = 0 [pid 508] write(1, "executing program\n", 18) = 18 [pid 508] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 508] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 508] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 508] rmdir("./config/usb_gadget/g2") = 0 [pid 508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 508] exit_group(0) = ? [pid 508] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 509 attached , child_tidptr=0x55558c722690) = 509 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] set_robust_list(0x55558c7226a0, 24) = 0 [pid 509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] write(1, "executing program\n", 18) = 18 executing program [pid 509] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 509] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 509] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 509] rmdir("./config/usb_gadget/g2") = 0 [pid 509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.487480][ T507] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.487480][ T507] *) [ 33.513760][ T508] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.513760][ T508] *) [pid 509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 509] exit_group(0) = ? [pid 509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 510 ci2-android-5-10/strace-static-x86_64: Process 510 attached [pid 510] set_robust_list(0x55558c7226a0, 24) = 0 [pid 510] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 510] <... openat resumed>) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] write(1, "executing program\n", 18) = 18 [pid 510] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 510] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 510] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 510] rmdir("./config/usb_gadget/g2") = 0 [pid 510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 510] exit_group(0) = ? [pid 510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 511 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 511 attached [pid 511] set_robust_list(0x55558c7226a0, 24) = 0 [pid 511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 511] setpgid(0, 0) = 0 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 511] write(3, "1000", 4) = 4 [pid 511] close(3) = 0 [pid 511] write(1, "executing program\n", 18) = 18 executing program [pid 511] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 511] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 511] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 511] rmdir("./config/usb_gadget/g2") = 0 [pid 511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.541693][ T509] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.541693][ T509] *) [ 33.567017][ T510] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.567017][ T510] *) [pid 511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 511] exit_group(0) = ? [pid 511] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 512 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 512 attached [pid 512] set_robust_list(0x55558c7226a0, 24) = 0 [pid 512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] write(1, "executing program\n", 18) = 18 executing program [pid 512] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 512] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 512] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 512] rmdir("./config/usb_gadget/g2") = 0 [pid 512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 512] exit_group(0) = ? [pid 512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 513 attached , child_tidptr=0x55558c722690) = 513 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] set_robust_list(0x55558c7226a0, 24) = 0 [pid 513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] write(1, "executing program\n", 18) = 18 executing program [pid 513] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 513] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 513] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 513] rmdir("./config/usb_gadget/g2") = 0 [pid 513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.589888][ T511] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.589888][ T511] *) [ 33.615207][ T512] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.615207][ T512] *) [pid 513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 513] exit_group(0) = ? [pid 513] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 514 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 514 attached [pid 514] set_robust_list(0x55558c7226a0, 24) = 0 [pid 514] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 514] setpgid(0, 0) = 0 [pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 514] write(3, "1000", 4) = 4 [pid 514] close(3) = 0 [pid 514] write(1, "executing program\n", 18) = 18 executing program [pid 514] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 514] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 514] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 514] rmdir("./config/usb_gadget/g2") = 0 [pid 514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 514] exit_group(0) = ? [pid 514] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 515 ci2-android-5-10/strace-static-x86_64: Process 515 attached [pid 515] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 515] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 515] <... openat resumed>) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 executing program [pid 515] write(1, "executing program\n", 18) = 18 [pid 515] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 515] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 515] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 515] rmdir("./config/usb_gadget/g2") = 0 [pid 515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.636074][ T513] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.636074][ T513] *) [ 33.660959][ T514] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.660959][ T514] *) [pid 515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 515] exit_group(0) = ? [pid 515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 516 ci2-android-5-10/strace-static-x86_64: Process 516 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 516] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 516] <... set_robust_list resumed>) = 0 [pid 516] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] write(1, "executing program\n", 18) = 18 executing program [pid 516] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 516] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 516] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 516] rmdir("./config/usb_gadget/g2") = 0 [pid 516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 516] exit_group(0) = ? [pid 516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 517 ci2-android-5-10/strace-static-x86_64: Process 517 attached [pid 517] set_robust_list(0x55558c7226a0, 24) = 0 [pid 517] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 517] setpgid(0, 0) = 0 [pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 517] <... openat resumed>) = 3 [pid 517] write(3, "1000", 4) = 4 [pid 517] close(3) = 0 [pid 517] write(1, "executing program\n", 18) = 18 executing program [pid 517] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 517] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 517] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 517] rmdir("./config/usb_gadget/g2") = 0 [pid 517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.690626][ T515] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.690626][ T515] *) [ 33.714705][ T516] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.714705][ T516] *) [pid 517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 517] exit_group(0) = ? [pid 517] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 518 attached , child_tidptr=0x55558c722690) = 518 [pid 518] set_robust_list(0x55558c7226a0, 24) = 0 [pid 518] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 518] <... openat resumed>) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] write(1, "executing program\n", 18) = 18 executing program [pid 518] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 518] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 518] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 518] rmdir("./config/usb_gadget/g2") = 0 [pid 518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 518] exit_group(0) = ? [pid 518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 519 attached , child_tidptr=0x55558c722690) = 519 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] set_robust_list(0x55558c7226a0, 24) = 0 [pid 519] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] write(1, "executing program\n", 18) = 18 executing program [pid 519] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 519] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 519] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 519] rmdir("./config/usb_gadget/g2") = 0 [pid 519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.740728][ T517] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.740728][ T517] *) [ 33.768995][ T518] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.768995][ T518] *) [pid 519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 519] exit_group(0) = ? [pid 519] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 520 attached , child_tidptr=0x55558c722690) = 520 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 520] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 520] <... set_robust_list resumed>) = 0 [pid 520] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 520] setpgid(0, 0) = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3) = 0 executing program [pid 520] write(1, "executing program\n", 18) = 18 [pid 520] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 520] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 520] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 520] rmdir("./config/usb_gadget/g2") = 0 [pid 520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 520] exit_group(0) = ? [pid 520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 521 ci2-android-5-10/strace-static-x86_64: Process 521 attached [pid 521] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 521] <... openat resumed>) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] write(1, "executing program\n", 18) = 18 executing program [pid 521] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 521] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 521] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 521] rmdir("./config/usb_gadget/g2") = 0 [pid 521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.790529][ T519] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.790529][ T519] *) [ 33.818793][ T520] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.818793][ T520] *) [pid 521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 521] exit_group(0) = ? [pid 521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 522 ci2-android-5-10/strace-static-x86_64: Process 522 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 522] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 522] <... set_robust_list resumed>) = 0 [pid 522] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 522] setpgid(0, 0) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 executing program [pid 522] write(1, "executing program\n", 18) = 18 [pid 522] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 522] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 522] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 522] rmdir("./config/usb_gadget/g2") = 0 [pid 522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 522] exit_group(0) = ? [pid 522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 523 ci2-android-5-10/strace-static-x86_64: Process 523 attached [pid 523] set_robust_list(0x55558c7226a0, 24) = 0 [pid 523] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 523] <... openat resumed>) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 523] write(1, "executing program\n", 18) = 18 [pid 523] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 523] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 523] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 523] rmdir("./config/usb_gadget/g2") = 0 [pid 523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.850727][ T521] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.850727][ T521] *) [ 33.875357][ T522] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.875357][ T522] *) [pid 523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 523] exit_group(0) = ? [pid 523] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 524 attached , child_tidptr=0x55558c722690) = 524 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] set_robust_list(0x55558c7226a0, 24) = 0 [pid 524] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 [pid 524] write(1, "executing program\n", 18) = 18 executing program [pid 524] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 524] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 524] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 524] rmdir("./config/usb_gadget/g2") = 0 [pid 524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 524] exit_group(0) = ? [pid 524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 525 attached , child_tidptr=0x55558c722690) = 525 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] set_robust_list(0x55558c7226a0, 24) = 0 [pid 525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 executing program [pid 525] write(1, "executing program\n", 18) = 18 [pid 525] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 525] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 525] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 525] rmdir("./config/usb_gadget/g2") = 0 [pid 525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.900765][ T523] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.900765][ T523] *) [ 33.924500][ T524] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.924500][ T524] *) [pid 525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 525] exit_group(0) = ? [pid 525] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 526 ci2-android-5-10/strace-static-x86_64: Process 526 attached [pid 526] set_robust_list(0x55558c7226a0, 24) = 0 [pid 526] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 526] <... openat resumed>) = 3 [pid 526] write(3, "1000", 4) = 4 [pid 526] close(3) = 0 [pid 526] write(1, "executing program\n", 18) = 18 executing program [pid 526] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 526] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 526] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 526] rmdir("./config/usb_gadget/g2") = 0 [pid 526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 526] exit_group(0) = ? [pid 526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 527 ci2-android-5-10/strace-static-x86_64: Process 527 attached [pid 527] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 527] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 527] <... openat resumed>) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 [pid 527] write(1, "executing program\n", 18) = 18 executing program [pid 527] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 527] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 527] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 527] rmdir("./config/usb_gadget/g2") = 0 [pid 527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 33.954014][ T525] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.954014][ T525] *) [ 33.975169][ T526] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.975169][ T526] *) [pid 527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 527] exit_group(0) = ? [pid 527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 528 attached , child_tidptr=0x55558c722690) = 528 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] set_robust_list(0x55558c7226a0, 24) = 0 [pid 528] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4) = 4 [pid 528] close(3) = 0 [pid 528] write(1, "executing program\n", 18) = 18 executing program [pid 528] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 528] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 528] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 528] rmdir("./config/usb_gadget/g2") = 0 [pid 528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 528] exit_group(0) = ? [pid 528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 529 ci2-android-5-10/strace-static-x86_64: Process 529 attached [pid 529] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 529] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 529] setpgid(0, 0) = 0 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 529] <... openat resumed>) = 3 [pid 529] write(3, "1000", 4) = 4 [pid 529] close(3) = 0 [pid 529] write(1, "executing program\n", 18) = 18 executing program [pid 529] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 529] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 529] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 529] rmdir("./config/usb_gadget/g2") = 0 [pid 529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 529] exit_group(0) = ? [pid 529] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 530 ci2-android-5-10/strace-static-x86_64: Process 530 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] set_robust_list(0x55558c7226a0, 24) = 0 [pid 530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [ 33.998384][ T527] kobject_add_internal failed for f_midi (error: -2 parent: [ 33.998384][ T527] *) [ 34.019589][ T528] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.019589][ T528] *) [ 34.042821][ T529] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.042821][ T529] *) [pid 530] write(1, "executing program\n", 18) = 18 [pid 530] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 530] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 530] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 530] rmdir("./config/usb_gadget/g2") = 0 [pid 530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 530] exit_group(0) = ? [pid 530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 531 attached , child_tidptr=0x55558c722690) = 531 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 531] set_robust_list(0x55558c7226a0, 24) = 0 [pid 531] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 executing program [pid 531] write(1, "executing program\n", 18) = 18 [pid 531] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 531] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 531] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 531] rmdir("./config/usb_gadget/g2") = 0 [pid 531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 531] exit_group(0) = ? [pid 531] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 532 attached , child_tidptr=0x55558c722690) = 532 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] set_robust_list(0x55558c7226a0, 24) = 0 [pid 532] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 532] setpgid(0, 0) = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 532] write(3, "1000", 4) = 4 [pid 532] close(3) = 0 [pid 532] write(1, "executing program\n", 18) = 18 executing program [pid 532] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 532] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 532] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 532] rmdir("./config/usb_gadget/g2") = 0 [pid 532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.065624][ T530] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.065624][ T530] *) [ 34.090725][ T531] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.090725][ T531] *) [pid 532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 532] exit_group(0) = ? [pid 532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 533 attached , child_tidptr=0x55558c722690) = 533 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] set_robust_list(0x55558c7226a0, 24) = 0 [pid 533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 [pid 533] write(1, "executing program\n", 18) = 18 executing program [pid 533] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 533] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 533] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 533] rmdir("./config/usb_gadget/g2") = 0 [pid 533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 533] exit_group(0) = ? [pid 533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 534 attached , child_tidptr=0x55558c722690) = 534 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 534] set_robust_list(0x55558c7226a0, 24) = 0 [pid 534] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] write(1, "executing program\n", 18) = 18 executing program [pid 534] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 534] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 534] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 534] rmdir("./config/usb_gadget/g2") = 0 [pid 534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.112217][ T532] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.112217][ T532] *) [ 34.139348][ T533] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.139348][ T533] *) [pid 534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 534] exit_group(0) = ? [pid 534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 535 ci2-android-5-10/strace-static-x86_64: Process 535 attached [pid 535] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 535] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 535] setpgid(0, 0) = 0 [pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 535] <... openat resumed>) = 3 [pid 535] write(3, "1000", 4) = 4 [pid 535] close(3) = 0 [pid 535] write(1, "executing program\n", 18) = 18 executing program [pid 535] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 535] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 535] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 535] rmdir("./config/usb_gadget/g2") = 0 [pid 535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 535] exit_group(0) = ? [pid 535] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 536 attached , child_tidptr=0x55558c722690) = 536 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 536] set_robust_list(0x55558c7226a0, 24) = 0 [pid 536] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] write(1, "executing program\n", 18) = 18 [pid 536] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 536] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 536] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 536] rmdir("./config/usb_gadget/g2") = 0 [pid 536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.167808][ T534] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.167808][ T534] *) [ 34.194161][ T535] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.194161][ T535] *) [pid 536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 536] exit_group(0) = ? [pid 536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 537 ci2-android-5-10/strace-static-x86_64: Process 537 attached [pid 537] set_robust_list(0x55558c7226a0, 24) = 0 [pid 537] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 537] <... write resumed>) = 4 executing program [pid 537] close(3) = 0 [pid 537] write(1, "executing program\n", 18) = 18 [pid 537] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 537] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 537] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 537] rmdir("./config/usb_gadget/g2") = 0 [pid 537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 537] exit_group(0) = ? [pid 537] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 538 attached [pid 538] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55558c722690) = 538 [pid 538] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 538] write(1, "executing program\n", 18) = 18 executing program [pid 538] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 538] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 538] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 538] rmdir("./config/usb_gadget/g2") = 0 [pid 538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.220785][ T536] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.220785][ T536] *) [ 34.245508][ T537] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.245508][ T537] *) [pid 538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 538] exit_group(0) = ? [pid 538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 539 ci2-android-5-10/strace-static-x86_64: Process 539 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] set_robust_list(0x55558c7226a0, 24) = 0 [pid 539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 executing program [pid 539] write(1, "executing program\n", 18) = 18 [pid 539] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 539] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 539] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 539] rmdir("./config/usb_gadget/g2") = 0 [pid 539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 539] exit_group(0) = ? [pid 539] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 540 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 540 attached [pid 540] set_robust_list(0x55558c7226a0, 24) = 0 [pid 540] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 540] write(1, "executing program\n", 18) = 18 executing program [pid 540] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 540] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 540] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 540] rmdir("./config/usb_gadget/g2") = 0 [pid 540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.269116][ T538] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.269116][ T538] *) [ 34.296663][ T539] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.296663][ T539] *) [pid 540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 540] exit_group(0) = ? [pid 540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 541 attached , child_tidptr=0x55558c722690) = 541 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] set_robust_list(0x55558c7226a0, 24) = 0 [pid 541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0) = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 541] write(3, "1000", 4) = 4 [pid 541] close(3) = 0 [pid 541] write(1, "executing program\n", 18) = 18 executing program [pid 541] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 541] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 541] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 541] rmdir("./config/usb_gadget/g2") = 0 [pid 541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 541] exit_group(0) = ? [pid 541] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 542 attached , child_tidptr=0x55558c722690) = 542 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 542] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 542] <... set_robust_list resumed>) = 0 [pid 542] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 executing program [pid 542] close(3) = 0 [pid 542] write(1, "executing program\n", 18) = 18 [pid 542] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 542] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 542] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 542] rmdir("./config/usb_gadget/g2") = 0 [pid 542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.324642][ T540] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.324642][ T540] *) [ 34.349427][ T541] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.349427][ T541] *) [pid 542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 542] exit_group(0) = ? [pid 542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 543 attached , child_tidptr=0x55558c722690) = 543 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] set_robust_list(0x55558c7226a0, 24) = 0 [pid 543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 543] setpgid(0, 0) = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3) = 0 executing program [pid 543] write(1, "executing program\n", 18) = 18 [pid 543] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 543] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 543] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 543] rmdir("./config/usb_gadget/g2") = 0 [pid 543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 543] exit_group(0) = ? [pid 543] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 544 ci2-android-5-10/strace-static-x86_64: Process 544 attached [pid 544] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 544] setpgid(0, 0) = 0 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 544] <... openat resumed>) = 3 [pid 544] write(3, "1000", 4) = 4 [pid 544] close(3) = 0 [pid 544] write(1, "executing program\n", 18) = 18 executing program [pid 544] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 544] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 544] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 544] rmdir("./config/usb_gadget/g2") = 0 [pid 544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.371745][ T542] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.371745][ T542] *) [ 34.400109][ T543] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.400109][ T543] *) [pid 544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 544] exit_group(0) = ? [pid 544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 545 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 545 attached [pid 545] set_robust_list(0x55558c7226a0, 24) = 0 [pid 545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0) = 0 [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 545] close(3) = 0 [pid 545] write(1, "executing program\n", 18) = 18 executing program [pid 545] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 545] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 545] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 545] rmdir("./config/usb_gadget/g2") = 0 [pid 545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 545] exit_group(0) = ? [pid 545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 546 attached , child_tidptr=0x55558c722690) = 546 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] set_robust_list(0x55558c7226a0, 24) = 0 [pid 546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] write(1, "executing program\n", 18) = 18 [pid 546] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 546] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 546] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 546] rmdir("./config/usb_gadget/g2") = 0 [pid 546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.424830][ T544] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.424830][ T544] *) [ 34.448943][ T545] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.448943][ T545] *) [pid 546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 546] exit_group(0) = ? [pid 546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 547 attached , child_tidptr=0x55558c722690) = 547 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 547] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 547] <... set_robust_list resumed>) = 0 [pid 547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4) = 4 [pid 547] close(3) = 0 [pid 547] write(1, "executing program\n", 18) = 18 executing program [pid 547] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 547] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 547] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 547] rmdir("./config/usb_gadget/g2") = 0 [pid 547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 547] exit_group(0) = ? [pid 547] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 548 attached , child_tidptr=0x55558c722690) = 548 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] set_robust_list(0x55558c7226a0, 24) = 0 [pid 548] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 548] setpgid(0, 0) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 [pid 548] write(1, "executing program\n", 18) = 18 executing program [pid 548] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 548] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 548] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 548] rmdir("./config/usb_gadget/g2") = 0 [pid 548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.474691][ T546] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.474691][ T546] *) [ 34.500748][ T547] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.500748][ T547] *) [pid 548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 548] exit_group(0) = ? [pid 548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 549 attached , child_tidptr=0x55558c722690) = 549 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] set_robust_list(0x55558c7226a0, 24) = 0 [pid 549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 executing program [pid 549] write(1, "executing program\n", 18) = 18 [pid 549] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 549] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 549] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 549] rmdir("./config/usb_gadget/g2") = 0 [pid 549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 549] exit_group(0) = ? [pid 549] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 550 ci2-android-5-10/strace-static-x86_64: Process 550 attached [pid 550] set_robust_list(0x55558c7226a0, 24) = 0 [pid 550] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 550] setpgid(0, 0) = 0 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 550] write(3, "1000", 4) = 4 [pid 550] close(3) = 0 [pid 550] write(1, "executing program\n", 18) = 18 executing program [pid 550] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 550] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 550] mkdir("./config/usb_gadget/g2", 0777 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 550] <... mkdir resumed>) = 0 [pid 550] rmdir("./config/usb_gadget/g2" [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 550] <... rmdir resumed>) = 0 [pid 550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.523209][ T548] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.523209][ T548] *) [ 34.551852][ T549] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.551852][ T549] *) [pid 550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 550] exit_group(0) = ? [pid 550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 551 attached , child_tidptr=0x55558c722690) = 551 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] set_robust_list(0x55558c7226a0, 24) = 0 [pid 551] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] setpgid(0, 0) = 0 [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] write(3, "1000", 4) = 4 [pid 551] close(3) = 0 [pid 551] write(1, "executing program\n", 18) = 18 [pid 551] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 551] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 551] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 551] rmdir("./config/usb_gadget/g2") = 0 [pid 551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 551] exit_group(0) = ? [pid 551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 552 attached , child_tidptr=0x55558c722690) = 552 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] set_robust_list(0x55558c7226a0, 24) = 0 [pid 552] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] write(1, "executing program\n", 18) = 18 executing program [pid 552] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 552] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 552] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 552] rmdir("./config/usb_gadget/g2") = 0 [pid 552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.571110][ T550] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.571110][ T550] *) [ 34.595401][ T551] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.595401][ T551] *) [pid 552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 552] exit_group(0) = ? [pid 552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 553 ci2-android-5-10/strace-static-x86_64: Process 553 attached [pid 553] set_robust_list(0x55558c7226a0, 24) = 0 [pid 553] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 553] <... openat resumed>) = 3 [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 executing program [pid 553] write(1, "executing program\n", 18) = 18 [pid 553] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 553] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 553] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 553] rmdir("./config/usb_gadget/g2") = 0 [pid 553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 553] exit_group(0) = ? [pid 553] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 554 attached , child_tidptr=0x55558c722690) = 554 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] set_robust_list(0x55558c7226a0, 24) = 0 [pid 554] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] write(1, "executing program\n", 18) = 18 executing program [pid 554] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 554] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 554] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 554] rmdir("./config/usb_gadget/g2") = 0 [pid 554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.624533][ T552] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.624533][ T552] *) [ 34.643138][ T553] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.643138][ T553] *) [ 34.666975][ T554] kobject_add_internal failed for f_midi (error: -2 parent: [pid 554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 554] exit_group(0) = ? [pid 554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 555 attached , child_tidptr=0x55558c722690) = 555 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] set_robust_list(0x55558c7226a0, 24) = 0 [pid 555] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 555] write(1, "executing program\n", 18) = 18 executing program [pid 555] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 555] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 555] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 555] rmdir("./config/usb_gadget/g2") = 0 [pid 555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 555] exit_group(0) = ? [pid 555] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 556 attached , child_tidptr=0x55558c722690) = 556 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 556] set_robust_list(0x55558c7226a0, 24) = 0 [pid 556] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 556] setpgid(0, 0) = 0 [pid 556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 556] write(3, "1000", 4) = 4 [pid 556] close(3) = 0 [pid 556] write(1, "executing program\n", 18) = 18 [pid 556] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 556] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 556] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 556] rmdir("./config/usb_gadget/g2") = 0 [pid 556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.666975][ T554] *) [ 34.693864][ T555] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.693864][ T555] *) [pid 556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 556] exit_group(0) = ? [pid 556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 557 attached , child_tidptr=0x55558c722690) = 557 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] set_robust_list(0x55558c7226a0, 24) = 0 [pid 557] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 557] setpgid(0, 0) = 0 [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] write(3, "1000", 4) = 4 [pid 557] close(3) = 0 executing program [pid 557] write(1, "executing program\n", 18) = 18 [pid 557] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 557] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 557] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 557] rmdir("./config/usb_gadget/g2") = 0 [pid 557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 557] exit_group(0) = ? [pid 557] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 558 attached , child_tidptr=0x55558c722690) = 558 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] set_robust_list(0x55558c7226a0, 24) = 0 [pid 558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 executing program [pid 558] write(1, "executing program\n", 18) = 18 [pid 558] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 558] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 558] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 558] rmdir("./config/usb_gadget/g2") = 0 [pid 558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.719517][ T556] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.719517][ T556] *) [ 34.746063][ T557] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.746063][ T557] *) [pid 558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 558] exit_group(0) = ? [pid 558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 559 ci2-android-5-10/strace-static-x86_64: Process 559 attached [pid 559] set_robust_list(0x55558c7226a0, 24) = 0 [pid 559] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 559] <... openat resumed>) = 3 [pid 559] write(3, "1000", 4) = 4 [pid 559] close(3) = 0 [pid 559] write(1, "executing program\n", 18) = 18 executing program [pid 559] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 559] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 559] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 559] rmdir("./config/usb_gadget/g2") = 0 [pid 559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.769863][ T558] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.769863][ T558] *) [pid 559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 559] exit_group(0) = ? [pid 559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 560 attached , child_tidptr=0x55558c722690) = 560 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 560] set_robust_list(0x55558c7226a0, 24) = 0 [pid 560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 560] setpgid(0, 0) = 0 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 560] write(3, "1000", 4) = 4 [pid 560] close(3) = 0 [pid 560] write(1, "executing program\n", 18) = 18 executing program [pid 560] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 560] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 560] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 560] rmdir("./config/usb_gadget/g2") = 0 [pid 560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 560] exit_group(0) = ? [pid 560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 561 attached , child_tidptr=0x55558c722690) = 561 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] set_robust_list(0x55558c7226a0, 24) = 0 [pid 561] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 executing program [pid 561] write(1, "executing program\n", 18) = 18 [pid 561] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 561] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 561] mkdir("./config/usb_gadget/g2", 0777) = 0 [ 34.805623][ T559] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.805623][ T559] *) [ 34.831575][ T560] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.831575][ T560] *) [pid 561] rmdir("./config/usb_gadget/g2") = 0 [pid 561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 561] exit_group(0) = ? [pid 561] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 562 ci2-android-5-10/strace-static-x86_64: Process 562 attached [pid 562] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 562] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 562] setpgid(0, 0) = 0 [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 562] <... openat resumed>) = 3 [pid 562] write(3, "1000", 4) = 4 [pid 562] close(3) = 0 [pid 562] write(1, "executing program\n", 18) = 18 executing program [pid 562] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 562] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 562] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 562] rmdir("./config/usb_gadget/g2") = 0 [pid 562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 562] exit_group(0) = ? [pid 562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 563 attached , child_tidptr=0x55558c722690) = 563 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] set_robust_list(0x55558c7226a0, 24) = 0 [pid 563] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] write(1, "executing program\n", 18) = 18 executing program [pid 563] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 563] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 563] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 563] rmdir("./config/usb_gadget/g2") = 0 [pid 563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.860359][ T561] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.860359][ T561] *) [ 34.885584][ T562] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.885584][ T562] *) [pid 563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 563] exit_group(0) = ? [pid 563] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 564 ci2-android-5-10/strace-static-x86_64: Process 564 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] set_robust_list(0x55558c7226a0, 24) = 0 [pid 564] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] write(1, "executing program\n", 18) = 18 executing program [pid 564] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 564] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 564] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 564] rmdir("./config/usb_gadget/g2") = 0 [pid 564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 564] exit_group(0) = ? [pid 564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 565 attached , child_tidptr=0x55558c722690) = 565 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 565] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 565] <... set_robust_list resumed>) = 0 [pid 565] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 565] setpgid(0, 0) = 0 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 565] write(3, "1000", 4) = 4 [pid 565] close(3) = 0 [pid 565] write(1, "executing program\n", 18) = 18 executing program [pid 565] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 565] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 565] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 565] rmdir("./config/usb_gadget/g2") = 0 [pid 565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.911118][ T563] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.911118][ T563] *) [ 34.936845][ T564] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.936845][ T564] *) [pid 565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 565] exit_group(0) = ? [pid 565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 566 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 566 attached [pid 566] set_robust_list(0x55558c7226a0, 24) = 0 [pid 566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 executing program [pid 566] write(1, "executing program\n", 18) = 18 [pid 566] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 566] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 566] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 566] rmdir("./config/usb_gadget/g2") = 0 [pid 566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 566] exit_group(0) = ? [pid 566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 567 ci2-android-5-10/strace-static-x86_64: Process 567 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] set_robust_list(0x55558c7226a0, 24) = 0 [pid 567] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 executing program [pid 567] write(1, "executing program\n", 18) = 18 [pid 567] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 567] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 567] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 567] rmdir("./config/usb_gadget/g2") = 0 [pid 567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 34.962620][ T565] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.962620][ T565] *) [ 34.989056][ T566] kobject_add_internal failed for f_midi (error: -2 parent: [ 34.989056][ T566] *) [pid 567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 567] exit_group(0) = ? [pid 567] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 568 attached , child_tidptr=0x55558c722690) = 568 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] set_robust_list(0x55558c7226a0, 24) = 0 [pid 568] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 568] setpgid(0, 0) = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 executing program [pid 568] write(1, "executing program\n", 18) = 18 [pid 568] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 568] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 568] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 568] rmdir("./config/usb_gadget/g2") = 0 [pid 568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 568] exit_group(0) = ? [pid 568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 569 ci2-android-5-10/strace-static-x86_64: Process 569 attached [pid 569] set_robust_list(0x55558c7226a0, 24) = 0 [pid 569] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 569] <... prctl resumed>) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 569] <... openat resumed>) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] write(1, "executing program\n", 18) = 18 executing program [pid 569] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 569] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 35.017649][ T567] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.017649][ T567] *) [ 35.045734][ T568] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.045734][ T568] *) [pid 569] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 569] rmdir("./config/usb_gadget/g2") = 0 [pid 569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 569] exit_group(0) = ? [pid 569] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 570 attached , child_tidptr=0x55558c722690) = 570 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] set_robust_list(0x55558c7226a0, 24) = 0 [pid 570] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 executing program [pid 570] write(1, "executing program\n", 18) = 18 [pid 570] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 570] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 570] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 570] rmdir("./config/usb_gadget/g2") = 0 [pid 570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 570] exit_group(0) = ? [pid 570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 571 attached , child_tidptr=0x55558c722690) = 571 [pid 571] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 571] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 571] setpgid(0, 0) = 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 571] write(3, "1000", 4) = 4 [pid 571] close(3) = 0 executing program [pid 571] write(1, "executing program\n", 18) = 18 [pid 571] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 571] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 571] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 571] <... mkdir resumed>) = 0 [pid 571] rmdir("./config/usb_gadget/g2") = 0 [pid 571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.070707][ T569] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.070707][ T569] *) [ 35.098450][ T570] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.098450][ T570] *) [pid 571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 571] exit_group(0) = ? [pid 571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 572 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 572 attached [pid 572] set_robust_list(0x55558c7226a0, 24) = 0 [pid 572] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 572] setpgid(0, 0) = 0 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] write(3, "1000", 4) = 4 [pid 572] close(3) = 0 [pid 572] write(1, "executing program\n", 18) = 18 executing program [pid 572] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 572] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 572] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 572] rmdir("./config/usb_gadget/g2") = 0 [pid 572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 572] exit_group(0) = ? [pid 572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 573 ci2-android-5-10/strace-static-x86_64: Process 573 attached [pid 573] set_robust_list(0x55558c7226a0, 24) = 0 [pid 573] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 573] setpgid(0, 0) = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 573] write(3, "1000", 4) = 4 [pid 573] close(3) = 0 [pid 573] write(1, "executing program\n", 18) = 18 executing program [pid 573] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 573] mount(NULL, "./config", "configfs", 0, NULL [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 573] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 573] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 573] rmdir("./config/usb_gadget/g2") = 0 [pid 573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.124400][ T571] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.124400][ T571] *) [ 35.149617][ T572] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.149617][ T572] *) [pid 573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 573] exit_group(0) = ? [pid 573] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 574 attached , child_tidptr=0x55558c722690) = 574 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] set_robust_list(0x55558c7226a0, 24) = 0 [pid 574] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 574] setpgid(0, 0) = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 [pid 574] write(1, "executing program\n", 18) = 18 executing program [pid 574] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 574] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 574] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 574] rmdir("./config/usb_gadget/g2") = 0 [pid 574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 574] exit_group(0) = ? [pid 574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 575 attached , child_tidptr=0x55558c722690) = 575 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] set_robust_list(0x55558c7226a0, 24) = 0 [pid 575] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 575] write(1, "executing program\n", 18) = 18 executing program [pid 575] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 575] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 575] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 575] rmdir("./config/usb_gadget/g2") = 0 [pid 575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.171868][ T573] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.171868][ T573] *) [ 35.198830][ T574] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.198830][ T574] *) [pid 575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 575] exit_group(0) = ? [pid 575] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 576 ci2-android-5-10/strace-static-x86_64: Process 576 attached [pid 576] set_robust_list(0x55558c7226a0, 24) = 0 [pid 576] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 576] <... openat resumed>) = 3 [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 [pid 576] write(1, "executing program\n", 18) = 18 executing program [pid 576] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 576] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 576] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 576] rmdir("./config/usb_gadget/g2") = 0 [pid 576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 576] exit_group(0) = ? [pid 576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 577 attached , child_tidptr=0x55558c722690) = 577 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] set_robust_list(0x55558c7226a0, 24) = 0 [pid 577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 executing program [pid 577] write(1, "executing program\n", 18) = 18 [pid 577] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 577] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 577] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 577] rmdir("./config/usb_gadget/g2") = 0 [pid 577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.226966][ T575] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.226966][ T575] *) [ 35.251696][ T576] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.251696][ T576] *) [pid 577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 577] exit_group(0) = ? [pid 577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 578 ci2-android-5-10/strace-static-x86_64: Process 578 attached [pid 578] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 578] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 578] <... openat resumed>) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] write(1, "executing program\n", 18) = 18 [pid 578] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 578] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 578] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 578] rmdir("./config/usb_gadget/g2") = 0 [pid 578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 578] exit_group(0) = ? [pid 578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 579 ci2-android-5-10/strace-static-x86_64: Process 579 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] set_robust_list(0x55558c7226a0, 24) = 0 [pid 579] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 579] setpgid(0, 0) = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 579] write(3, "1000", 4) = 4 [pid 579] close(3) = 0 [pid 579] write(1, "executing program\n", 18) = 18 executing program [pid 579] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 579] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 579] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 579] rmdir("./config/usb_gadget/g2") = 0 [pid 579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 35.281947][ T577] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.281947][ T577] *) [ 35.300162][ T578] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.300162][ T578] *) restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 580 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 580 attached [pid 580] set_robust_list(0x55558c7226a0, 24) = 0 [pid 580] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 580] setpgid(0, 0) = 0 [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] write(1, "executing program\n", 18) = 18 executing program [pid 580] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 580] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 580] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 580] rmdir("./config/usb_gadget/g2") = 0 [pid 580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 580] exit_group(0) = ? [pid 580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 581 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 581 attached [pid 581] set_robust_list(0x55558c7226a0, 24) = 0 [pid 581] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] write(1, "executing program\n", 18) = 18 executing program [pid 581] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 581] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 581] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 581] rmdir("./config/usb_gadget/g2") = 0 [pid 581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 581] exit_group(0) = ? [pid 581] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [ 35.324906][ T579] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.324906][ T579] *) [ 35.347038][ T580] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.347038][ T580] *) [ 35.372226][ T581] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.372226][ T581] *) restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 582 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 582 attached [pid 582] set_robust_list(0x55558c7226a0, 24) = 0 [pid 582] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4) = 4 [pid 582] close(3) = 0 [pid 582] write(1, "executing program\n", 18) = 18 executing program [pid 582] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 582] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 582] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 582] rmdir("./config/usb_gadget/g2") = 0 [pid 582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 582] exit_group(0) = ? [pid 582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 583 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 583 attached [pid 583] set_robust_list(0x55558c7226a0, 24) = 0 [pid 583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] write(1, "executing program\n", 18) = 18 [pid 583] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 583] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) executing program [pid 583] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 583] rmdir("./config/usb_gadget/g2") = 0 [pid 583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 583] exit_group(0) = ? [pid 583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 584 attached , child_tidptr=0x55558c722690) = 584 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 584] set_robust_list(0x55558c7226a0, 24) = 0 [pid 584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 584] setpgid(0, 0) = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 584] write(3, "1000", 4) = 4 [pid 584] close(3) = 0 [pid 584] write(1, "executing program\n", 18) = 18 executing program [pid 584] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 584] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 584] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 584] rmdir("./config/usb_gadget/g2") = 0 [pid 584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.397095][ T582] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.397095][ T582] *) [ 35.422086][ T583] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.422086][ T583] *) [pid 584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 584] exit_group(0) = ? [pid 584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 585 ci2-android-5-10/strace-static-x86_64: Process 585 attached [pid 585] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 585] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 585] setpgid(0, 0) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 585] <... openat resumed>) = 3 [pid 585] write(3, "1000", 4) = 4 [pid 585] close(3) = 0 executing program [pid 585] write(1, "executing program\n", 18) = 18 [pid 585] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 585] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 585] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 585] rmdir("./config/usb_gadget/g2") = 0 [pid 585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 585] exit_group(0) = ? [pid 585] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 586 attached , child_tidptr=0x55558c722690) = 586 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] set_robust_list(0x55558c7226a0, 24) = 0 [pid 586] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 executing program [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] write(1, "executing program\n", 18) = 18 [pid 586] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 586] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 586] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 586] rmdir("./config/usb_gadget/g2") = 0 [pid 586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.446835][ T584] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.446835][ T584] *) [ 35.475273][ T585] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.475273][ T585] *) [pid 586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 586] exit_group(0) = ? [pid 586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 587 ci2-android-5-10/strace-static-x86_64: Process 587 attached [pid 587] set_robust_list(0x55558c7226a0, 24) = 0 [pid 587] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 executing program [pid 587] close(3) = 0 [pid 587] write(1, "executing program\n", 18) = 18 [pid 587] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 587] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 587] mkdir("./config/usb_gadget/g2", 0777 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 587] <... mkdir resumed>) = 0 [pid 587] rmdir("./config/usb_gadget/g2") = 0 [pid 587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 587] exit_group(0) = ? [pid 587] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 588 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 588 attached [pid 588] set_robust_list(0x55558c7226a0, 24) = 0 [pid 588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 588] setpgid(0, 0) = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 588] close(3) = 0 [pid 588] write(1, "executing program\n", 18) = 18 executing program [pid 588] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 588] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 588] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 588] rmdir("./config/usb_gadget/g2") = 0 [pid 588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.498743][ T586] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.498743][ T586] *) [ 35.523761][ T587] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.523761][ T587] *) [pid 588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 588] exit_group(0) = ? [pid 588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 589 attached , child_tidptr=0x55558c722690) = 589 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] set_robust_list(0x55558c7226a0, 24) = 0 [pid 589] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] write(1, "executing program\n", 18) = 18 [pid 589] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 589] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 589] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 589] rmdir("./config/usb_gadget/g2") = 0 [pid 589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 589] exit_group(0) = ? [pid 589] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 590 attached , child_tidptr=0x55558c722690) = 590 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 590] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 590] <... set_robust_list resumed>) = 0 [pid 590] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] write(1, "executing program\n", 18) = 18 executing program [pid 590] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 590] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 590] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 590] rmdir("./config/usb_gadget/g2") = 0 [pid 590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.547086][ T588] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.547086][ T588] *) [ 35.582085][ T589] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.582085][ T589] *) [pid 590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 590] exit_group(0) = ? [pid 590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 591 attached , child_tidptr=0x55558c722690) = 591 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] set_robust_list(0x55558c7226a0, 24) = 0 [pid 591] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] write(1, "executing program\n", 18) = 18 executing program [pid 591] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 591] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 591] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 591] rmdir("./config/usb_gadget/g2") = 0 [pid 591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 591] exit_group(0) = ? [pid 591] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 592 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 592 attached [pid 592] set_robust_list(0x55558c7226a0, 24) = 0 [pid 592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] write(1, "executing program\n", 18) = 18 executing program [pid 592] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 592] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [ 35.603695][ T590] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.603695][ T590] *) [ 35.628729][ T591] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.628729][ T591] *) [pid 592] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 592] rmdir("./config/usb_gadget/g2") = 0 [pid 592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 592] exit_group(0) = ? [pid 592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 593 attached , child_tidptr=0x55558c722690) = 593 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] set_robust_list(0x55558c7226a0, 24) = 0 [pid 593] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4) = 4 [pid 593] close(3) = 0 [pid 593] write(1, "executing program\n", 18) = 18 executing program [pid 593] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 593] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 593] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 593] rmdir("./config/usb_gadget/g2") = 0 [pid 593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 593] exit_group(0) = ? [pid 593] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 594 attached , child_tidptr=0x55558c722690) = 594 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] set_robust_list(0x55558c7226a0, 24) = 0 [pid 594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] write(1, "executing program\n", 18) = 18 executing program [pid 594] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 594] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 594] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 594] rmdir("./config/usb_gadget/g2") = 0 [pid 594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.653861][ T592] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.653861][ T592] *) [ 35.679993][ T593] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.679993][ T593] *) [pid 594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 594] exit_group(0) = ? [pid 594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 595 attached , child_tidptr=0x55558c722690) = 595 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] set_robust_list(0x55558c7226a0, 24) = 0 [pid 595] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] write(1, "executing program\n", 18) = 18 executing program [pid 595] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 595] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 595] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 595] rmdir("./config/usb_gadget/g2") = 0 [pid 595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 595] exit_group(0) = ? [pid 595] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 596 ci2-android-5-10/strace-static-x86_64: Process 596 attached [pid 596] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 596] setpgid(0, 0) = 0 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 596] <... openat resumed>) = 3 [pid 596] write(3, "1000", 4) = 4 [pid 596] close(3) = 0 [pid 596] write(1, "executing program\n", 18) = 18 executing program [pid 596] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 596] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 596] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 596] rmdir("./config/usb_gadget/g2") = 0 [pid 596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.705409][ T594] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.705409][ T594] *) [ 35.729569][ T595] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.729569][ T595] *) [pid 596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 596] exit_group(0) = ? [pid 596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 597 attached , child_tidptr=0x55558c722690) = 597 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] set_robust_list(0x55558c7226a0, 24) = 0 [pid 597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 597] setpgid(0, 0) = 0 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3) = 0 [pid 597] write(1, "executing program\n", 18) = 18 executing program [pid 597] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 597] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 597] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 597] rmdir("./config/usb_gadget/g2") = 0 [pid 597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 597] exit_group(0) = ? [pid 597] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 598 attached , child_tidptr=0x55558c722690) = 598 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 598] set_robust_list(0x55558c7226a0, 24) = 0 [pid 598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 598] write(3, "1000", 4) = 4 [pid 598] close(3) = 0 [pid 598] write(1, "executing program\n", 18) = 18 [pid 598] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 598] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 598] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 598] rmdir("./config/usb_gadget/g2") = 0 [pid 598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.754797][ T596] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.754797][ T596] *) [ 35.780135][ T597] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.780135][ T597] *) [pid 598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 598] exit_group(0) = ? [pid 598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 599 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 599 attached [pid 599] set_robust_list(0x55558c7226a0, 24) = 0 [pid 599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 [pid 599] write(1, "executing program\n", 18) = 18 executing program [pid 599] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 599] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 599] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 599] rmdir("./config/usb_gadget/g2") = 0 [pid 599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 599] exit_group(0) = ? [pid 599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 600 attached , child_tidptr=0x55558c722690) = 600 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 600] set_robust_list(0x55558c7226a0, 24) = 0 [pid 600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [pid 600] write(1, "executing program\n", 18) = 18 [pid 600] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 600] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 600] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 600] rmdir("./config/usb_gadget/g2") = 0 [pid 600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.804988][ T598] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.804988][ T598] *) [ 35.829962][ T599] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.829962][ T599] *) [pid 600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 600] exit_group(0) = ? [pid 600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 601 attached , child_tidptr=0x55558c722690) = 601 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] set_robust_list(0x55558c7226a0, 24) = 0 [pid 601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 executing program [pid 601] write(1, "executing program\n", 18) = 18 [pid 601] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 601] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 601] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 601] rmdir("./config/usb_gadget/g2") = 0 [pid 601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 601] exit_group(0) = ? [pid 601] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 602 ci2-android-5-10/strace-static-x86_64: Process 602 attached [pid 602] set_robust_list(0x55558c7226a0, 24) = 0 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 602] setpgid(0, 0) = 0 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 executing program [pid 602] write(1, "executing program\n", 18) = 18 [pid 602] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 602] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 602] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 602] rmdir("./config/usb_gadget/g2") = 0 [pid 602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.852238][ T600] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.852238][ T600] *) [ 35.881690][ T601] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.881690][ T601] *) [pid 602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 602] exit_group(0) = ? [pid 602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 603 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 603 attached [pid 603] set_robust_list(0x55558c7226a0, 24) = 0 [pid 603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 603] setpgid(0, 0) = 0 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 603] write(3, "1000", 4) = 4 [pid 603] close(3) = 0 executing program [pid 603] write(1, "executing program\n", 18) = 18 [pid 603] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 603] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 603] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 603] rmdir("./config/usb_gadget/g2") = 0 [pid 603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 603] exit_group(0) = ? [pid 603] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 604 ci2-android-5-10/strace-static-x86_64: Process 604 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 604] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 604] <... set_robust_list resumed>) = 0 [pid 604] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] write(1, "executing program\n", 18) = 18 [pid 604] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 604] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 604] mkdir("./config/usb_gadget/g2", 0777) = 0 executing program [pid 604] rmdir("./config/usb_gadget/g2") = 0 [pid 604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.902860][ T602] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.902860][ T602] *) [ 35.930086][ T603] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.930086][ T603] *) [pid 604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 604] exit_group(0) = ? [pid 604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 605 attached , child_tidptr=0x55558c722690) = 605 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] set_robust_list(0x55558c7226a0, 24) = 0 [pid 605] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] write(3, "1000", 4) = 4 [pid 605] close(3) = 0 executing program [pid 605] write(1, "executing program\n", 18) = 18 [pid 605] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 605] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 605] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 605] rmdir("./config/usb_gadget/g2") = 0 [pid 605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 605] exit_group(0) = ? [pid 605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 606 ci2-android-5-10/strace-static-x86_64: Process 606 attached [pid 606] set_robust_list(0x55558c7226a0, 24) = 0 [pid 606] rt_sigprocmask(SIG_SETMASK, [] [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0) = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 606] <... openat resumed>) = 3 [pid 606] write(3, "1000", 4) = 4 [pid 606] close(3) = 0 [pid 606] write(1, "executing program\n", 18) = 18 executing program [pid 606] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 606] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 606] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 606] rmdir("./config/usb_gadget/g2") = 0 [pid 606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 35.965846][ T604] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.965846][ T604] *) [ 35.994321][ T605] kobject_add_internal failed for f_midi (error: -2 parent: [ 35.994321][ T605] *) [pid 606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 606] exit_group(0) = ? [pid 606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 607 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 607 attached [pid 607] set_robust_list(0x55558c7226a0, 24) = 0 [pid 607] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] write(1, "executing program\n", 18) = 18 executing program [pid 607] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 607] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 607] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 607] rmdir("./config/usb_gadget/g2") = 0 [pid 607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 607] exit_group(0) = ? [pid 607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 608 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 608 attached [pid 608] set_robust_list(0x55558c7226a0, 24) = 0 [pid 608] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 executing program [pid 608] write(1, "executing program\n", 18) = 18 [pid 608] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 608] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 608] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 608] rmdir("./config/usb_gadget/g2") = 0 [pid 608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.019399][ T606] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.019399][ T606] *) [ 36.044694][ T607] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.044694][ T607] *) [pid 608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 608] exit_group(0) = ? [pid 608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 609 attached , child_tidptr=0x55558c722690) = 609 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] set_robust_list(0x55558c7226a0, 24) = 0 [pid 609] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] write(1, "executing program\n", 18) = 18 executing program [pid 609] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 609] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 609] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 609] rmdir("./config/usb_gadget/g2") = 0 [pid 609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 609] exit_group(0) = ? [pid 609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 610 attached , child_tidptr=0x55558c722690) = 610 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] set_robust_list(0x55558c7226a0, 24) = 0 [pid 610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 610] write(3, "1000", 4) = 4 [pid 610] close(3) = 0 [pid 610] write(1, "executing program\n", 18) = 18 executing program [pid 610] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 610] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 610] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 610] rmdir("./config/usb_gadget/g2") = 0 [pid 610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.069269][ T608] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.069269][ T608] *) [ 36.094672][ T609] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.094672][ T609] *) [pid 610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 610] exit_group(0) = ? [pid 610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 611 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 611 attached [pid 611] set_robust_list(0x55558c7226a0, 24) = 0 [pid 611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 executing program [pid 611] write(1, "executing program\n", 18) = 18 [pid 611] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 611] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 611] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 611] rmdir("./config/usb_gadget/g2") = 0 [pid 611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 611] exit_group(0) = ? [pid 611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 612 attached , child_tidptr=0x55558c722690) = 612 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 612] set_robust_list(0x55558c7226a0, 24) = 0 [pid 612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 612] setpgid(0, 0) = 0 [pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 612] write(3, "1000", 4) = 4 [pid 612] close(3) = 0 [pid 612] write(1, "executing program\n", 18) = 18 executing program [pid 612] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 612] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 612] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 612] rmdir("./config/usb_gadget/g2") = 0 [pid 612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.120608][ T610] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.120608][ T610] *) [ 36.144400][ T611] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.144400][ T611] *) [pid 612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 612] exit_group(0) = ? [pid 612] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 613 attached , child_tidptr=0x55558c722690) = 613 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] set_robust_list(0x55558c7226a0, 24) = 0 [pid 613] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] write(1, "executing program\n", 18) = 18 executing program [pid 613] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 613] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 613] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 613] rmdir("./config/usb_gadget/g2") = 0 [pid 613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 613] exit_group(0) = ? [pid 613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=613, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 614 attached , child_tidptr=0x55558c722690) = 614 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] set_robust_list(0x55558c7226a0, 24) = 0 [pid 614] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 executing program [pid 614] write(1, "executing program\n", 18) = 18 [pid 614] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 614] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 614] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 614] rmdir("./config/usb_gadget/g2") = 0 [pid 614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.170596][ T612] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.170596][ T612] *) [ 36.196885][ T613] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.196885][ T613] *) [pid 614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 614] exit_group(0) = ? [pid 614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 615 ci2-android-5-10/strace-static-x86_64: Process 615 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] set_robust_list(0x55558c7226a0, 24) = 0 [pid 615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] write(1, "executing program\n", 18) = 18 executing program [pid 615] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 615] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 615] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 615] rmdir("./config/usb_gadget/g2") = 0 [pid 615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 615] exit_group(0) = ? [pid 615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 616 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 616 attached [pid 616] set_robust_list(0x55558c7226a0, 24) = 0 [pid 616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] write(1, "executing program\n", 18) = 18 executing program [pid 616] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 616] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 616] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 616] rmdir("./config/usb_gadget/g2") = 0 [pid 616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.216994][ T614] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.216994][ T614] *) [ 36.241807][ T615] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.241807][ T615] *) [pid 616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 616] exit_group(0) = ? [pid 616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 617 attached , child_tidptr=0x55558c722690) = 617 [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 617] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 617] <... set_robust_list resumed>) = 0 [pid 617] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 617] setpgid(0, 0) = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 617] write(3, "1000", 4) = 4 [pid 617] close(3) = 0 [pid 617] write(1, "executing program\n", 18) = 18 [pid 617] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 617] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 617] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 617] rmdir("./config/usb_gadget/g2") = 0 [pid 617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 617] exit_group(0) = ? [pid 617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 618 attached , child_tidptr=0x55558c722690) = 618 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] set_robust_list(0x55558c7226a0, 24) = 0 [pid 618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 618] setpgid(0, 0) = 0 [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 618] write(3, "1000", 4) = 4 [pid 618] close(3) = 0 [pid 618] write(1, "executing program\n", 18) = 18 [pid 618] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 618] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 618] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 618] rmdir("./config/usb_gadget/g2") = 0 [pid 618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.267293][ T616] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.267293][ T616] *) [ 36.292615][ T617] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.292615][ T617] *) [pid 618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 618] exit_group(0) = ? [pid 618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 619 ci2-android-5-10/strace-static-x86_64: Process 619 attached [pid 297] rt_sigprocmask(SIG_SETMASK, [] [pid 619] set_robust_list(0x55558c7226a0, 24 [pid 297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 619] <... set_robust_list resumed>) = 0 [pid 619] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 executing program [pid 619] write(1, "executing program\n", 18) = 18 [pid 619] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 619] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 619] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 619] rmdir("./config/usb_gadget/g2") = 0 [pid 619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 619] exit_group(0) = ? [pid 619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 620 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 620 attached [pid 620] set_robust_list(0x55558c7226a0, 24) = 0 [pid 620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 620] setpgid(0, 0) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] write(1, "executing program\n", 18) = 18 [pid 620] mkdir("./config", 0777) = -1 EEXIST (File exists) executing program [pid 620] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 620] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 620] rmdir("./config/usb_gadget/g2") = 0 [pid 620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.317388][ T618] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.317388][ T618] *) [ 36.345438][ T619] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.345438][ T619] *) [pid 620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 620] exit_group(0) = ? [pid 620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 621 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 621 attached [pid 621] set_robust_list(0x55558c7226a0, 24) = 0 [pid 621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 [pid 621] write(1, "executing program\n", 18) = 18 executing program [pid 621] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 621] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 621] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 621] rmdir("./config/usb_gadget/g2") = 0 [pid 621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 621] exit_group(0) = ? [pid 621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c722690) = 622 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-10/strace-static-x86_64: Process 622 attached [ 36.370846][ T620] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.370846][ T620] *) [ 36.397149][ T621] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.397149][ T621] *) [pid 622] set_robust_list(0x55558c7226a0, 24) = 0 [pid 622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 622] write(3, "1000", 4) = 4 [pid 622] close(3) = 0 [pid 622] write(1, "executing program\n", 18) = 18 [pid 622] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 622] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 622] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 622] rmdir("./config/usb_gadget/g2") = 0 [pid 622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 622] exit_group(0) = ? [pid 622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 623 attached , child_tidptr=0x55558c722690) = 623 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 623] set_robust_list(0x55558c7226a0, 24) = 0 [pid 623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 [pid 623] write(1, "executing program\n", 18) = 18 executing program [pid 623] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 623] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 623] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 623] rmdir("./config/usb_gadget/g2") = 0 [pid 623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 623] exit_group(0) = ? [pid 623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-5-10/strace-static-x86_64: Process 624 attached [pid 624] set_robust_list(0x55558c7226a0, 24 [pid 297] <... clone resumed>, child_tidptr=0x55558c722690) = 624 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] <... set_robust_list resumed>) = 0 [pid 624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 624] setpgid(0, 0) = 0 [pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 624] write(3, "1000", 4) = 4 [pid 624] close(3) = 0 [pid 624] write(1, "executing program\n", 18) = 18 executing program [pid 624] mkdir("./config", 0777) = -1 EEXIST (File exists) [pid 624] mount(NULL, "./config", "configfs", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 624] mkdir("./config/usb_gadget/g2", 0777) = 0 [pid 624] rmdir("./config/usb_gadget/g2") = 0 [pid 624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [ 36.422310][ T622] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.422310][ T622] *) [ 36.446418][ T623] kobject_add_internal failed for f_midi (error: -2 parent: [ 36.446418][ T623] *) [pid 624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/midi.usb0", 0777) = -1 ENODEV (No such device) [pid 624] exit_group(0) = ? [pid 624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---