ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor3170685968 <...> Warning: Permanently added '10.128.1.150' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor3170685968", ["ci2-android-5-15/syz-executor3170685968"], 0x7fff7f2e73e0 /* 10 vars */) = 0 brk(NULL) = 0x555565e49000 brk(0x555565e49d40) = 0x555565e49d40 arch_prctl(ARCH_SET_FS, 0x555565e493c0) = 0 set_tid_address(0x555565e49690) = 304 set_robust_list(0x555565e496a0, 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-5-15/syz-executor3170685968", 4096) = 45 getrandom("\x36\xe7\x50\x2a\x2d\xc2\x1d\x0e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565e49d40 brk(0x555565e6ad40) = 0x555565e6ad40 brk(0x555565e6b000) = 0x555565e6b000 mprotect(0x7f87f25cf000, 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 executing program write(1, "executing program\n", 18) = 18 mkdirat(AT_FDCWD, "./config", 0777) = 0 mount(NULL, "./config", "configfs", 0, NULL) = 0 mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [ 23.983819][ T30] audit: type=1400 audit(1788872019.181:64): avc: denied { execmem } for pid=304 comm="syz-executor317" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.998319][ T304] Mass Storage Function, version: 2009/09/11 [ 24.007567][ T30] audit: type=1400 audit(1788872019.191:65): avc: denied { mounton } for pid=304 comm="syz-executor317" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0", 0777) = 0 [ 24.009330][ T304] LUN: removable file: (no medium) [ 24.032425][ T30] audit: type=1400 audit(1788872019.191:66): avc: denied { mount } for pid=304 comm="syz-executor317" name="/" dev="configfs" ino=13680 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 24.039052][ T304] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 24.060674][ T30] audit: type=1400 audit(1788872019.191:67): avc: denied { search } for pid=304 comm="syz-executor317" name="/" dev="configfs" ino=13680 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.071953][ T304] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 24.071976][ T304] CPU: 0 PID: 304 Comm: syz-executor317 Not tainted syzkaller #0 [ 24.071991][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.095509][ T30] audit: type=1400 audit(1788872019.191:68): avc: denied { write } for pid=304 comm="syz-executor317" name="usb_gadget" dev="configfs" ino=13681 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.102843][ T304] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 24.110782][ T30] audit: type=1400 audit(1788872019.191:69): avc: denied { add_name } for pid=304 comm="syz-executor317" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 24.120599][ T304] Code: 89 c6 49 bd 00 00 00 00 00 fc ff df bf 00 40 00 00 be c0 0c 00 00 ba 02 00 00 00 e8 95 28 6e fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1c 1d 7c fe 49 89 1e 48 85 db 0f [ 24.120618][ T304] RSP: 0018:ffffc900009b7b08 EFLAGS: 00010202 [ 24.120632][ T304] RAX: 0000000000000002 RBX: ffff888123f14000 RCX: 0000000000000002 [ 24.143993][ T30] audit: type=1400 audit(1788872019.191:70): avc: denied { create } for pid=304 comm="syz-executor317" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 24.150088][ T304] RDX: 0000000000000000 RSI: ffffffff832d118b RDI: ffffed10247e3000 [ 24.170731][ T30] audit: type=1400 audit(1788872019.241:71): avc: denied { write } for pid=304 comm="syz-executor317" name="num_buffers" dev="configfs" ino=14134 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 24.190149][ T304] RBP: ffffc900009b7b50 R08: 0000000000004000 R09: ffffed10247e3000 [ 24.190163][ T304] R10: dffffc0000000000 R11: fffff9400091f8b3 R12: ffff888100bc3800 [ 24.190173][ T304] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 24.190183][ T304] FS: 0000555565e493c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.196509][ T30] audit: type=1400 audit(1788872019.241:72): avc: denied { open } for pid=304 comm="syz-executor317" path="/root/config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers" dev="configfs" ino=14134 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 24.204175][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.204187][ T304] CR2: 00007f87f25db008 CR3: 000000011e8e0000 CR4: 00000000003506b0 [ 24.204200][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.224451][ T30] audit: type=1400 audit(1788872019.241:73): avc: denied { read } for pid=83 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 [ 24.232087][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.368266][ T304] Call Trace: [ 24.371551][ T304] [ 24.374470][ T304] ? kstrtou8+0xac/0x130 [ 24.378701][ T304] fsg_opts_num_buffers_store+0x138/0x1c0 [ 24.384409][ T304] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 24.390028][ T304] ? avc_policy_seqno+0x1b/0x70 [ 24.394868][ T304] ? selinux_file_permission+0x2aa/0x510 [ 24.400485][ T304] configfs_write_iter+0x312/0x400 [ 24.405586][ T304] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 24.411205][ T304] vfs_write+0x831/0xfd0 [ 24.415433][ T304] ? file_end_write+0x1b0/0x1b0 [ 24.420293][ T304] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.425475][ T304] ? cgroup_leave_frozen+0x165/0x2a0 [ 24.430746][ T304] ? __kasan_check_read+0x11/0x20 [ 24.435755][ T304] ? __fdget_pos+0x2d9/0x380 [ 24.440337][ T304] ksys_write+0x14a/0x260 [ 24.444661][ T304] ? __ia32_sys_read+0x90/0x90 [ 24.449438][ T304] ? debug_smp_processor_id+0x17/0x20 [ 24.454800][ T304] __x64_sys_write+0x7b/0x90 [ 24.459376][ T304] x64_sys_call+0x8ef/0x9a0 [ 24.463860][ T304] do_syscall_64+0x4c/0xa0 [ 24.468267][ T304] ? clear_bhb_loop+0x50/0xa0 [ 24.472927][ T304] ? clear_bhb_loop+0x50/0xa0 [ 24.477589][ T304] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 24.483463][ T304] RIP: 0033:0x7f87f253eef9 [ 24.487862][ T304] 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 [ 24.507450][ T304] RSP: 002b:00007fff754e6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.515870][ T304] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f87f253eef9 [ 24.523824][ T304] RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003 openat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers", O_WRONLY) = 3 [ 24.531778][ T304] RBP: 6769666e6f632f2e R08: 000000000000000f R09: 00007fff754e70a8 [ 24.539734][ T304] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff754e7098 [ 24.547689][ T304] R13: 0000000000000002 R14: 0000200000000008 R15: 0000000000000002 [ 24.555652][ T304] [ 24.558652][ T304] Modules linked in: [ 24.563121][ T304] ---[ end trace 9f3f9744ac7bce5d ]--- [ 24.568607][ T304] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 24.575057][ T304] Code: 89 c6 49 bd 00 00 00 00 00 fc ff df bf 00 40 00 00 be c0 0c 00 00 ba 02 00 00 00 e8 95 28 6e fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 1c 1d 7c fe 49 89 1e 48 85 db 0f [ 24.594850][ T304] RSP: 0018:ffffc900009b7b08 EFLAGS: 00010202 [ 24.600929][ T304] RAX: 0000000000000002 RBX: ffff888123f14000 RCX: 0000000000000002 [ 24.608916][ T304] RDX: 0000000000000000 RSI: ffffffff832d118b RDI: ffffed10247e3000 [ 24.616910][ T304] RBP: ffffc900009b7b50 R08: 0000000000004000 R09: ffffed10247e3000 [ 24.624895][ T304] R10: dffffc0000000000 R11: fffff9400091f8b3 R12: ffff888100bc3800 [ 24.632861][ T304] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 24.640936][ T304] FS: 0000555565e493c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.649882][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.656671][ T304] CR2: 00007f87f25db008 CR3: 000000011e8e0000 CR4: 00000000003506b0 [ 24.664694][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.672650][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.680638][ T304] Kernel panic - not syncing: Fatal exception [ 24.686961][ T304] Kernel Offset: disabled [ 24.691291][ T304] Rebooting in 86400 seconds..