ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1003137152 <...> Warning: Permanently added '10.128.1.55' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor1003137152", ["ci2-android-5-10/syz-executor1003137152"], 0x7ffea0884b80 /* 10 vars */) = 0 brk(NULL) = 0x55555e1b2000 brk(0x55555e1b2d40) = 0x55555e1b2d40 arch_prctl(ARCH_SET_FS, 0x55555e1b23c0) = 0 set_tid_address(0x55555e1b2690) = 297 set_robust_list(0x55555e1b26a0, 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-executor1003137152", 4096) = 45 getrandom("\x55\x01\x5a\xaa\xc9\xa0\x4a\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555e1b2d40 brk(0x55555e1d3d40) = 0x55555e1d3d40 brk(0x55555e1d4000) = 0x55555e1d4000 mprotect(0x7f25fc257000, 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 write(1, "executing program\n", 18) = 18 executing program mkdirat(AT_FDCWD, "./config", 0777) = 0 mount(NULL, "./config", "configfs", 0, NULL) = 0 mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = 0 [ 25.215791][ T24] audit: type=1400 audit(1790298830.089:64): avc: denied { execmem } for pid=297 comm="syz-executor100" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.221163][ T297] Mass Storage Function, version: 2009/09/11 [ 25.239199][ T24] audit: type=1400 audit(1790298830.089:65): avc: denied { mounton } for pid=297 comm="syz-executor100" 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 openat(AT_FDCWD, "./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers", O_WRONLY) = 3 [ 25.241210][ T297] LUN: removable file: (no medium) [ 25.263923][ T24] audit: type=1400 audit(1790298830.089:66): avc: denied { mount } for pid=297 comm="syz-executor100" name="/" dev="configfs" ino=12846 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [ 25.270275][ T297] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 25.292170][ T24] audit: type=1400 audit(1790298830.089:67): avc: denied { search } for pid=297 comm="syz-executor100" name="/" dev="configfs" ino=12846 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.303567][ T297] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 25.303587][ T297] CPU: 1 PID: 297 Comm: syz-executor100 Not tainted syzkaller #0 [ 25.303599][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.326001][ T24] audit: type=1400 audit(1790298830.089:68): avc: denied { write } for pid=297 comm="syz-executor100" name="usb_gadget" dev="configfs" ino=12847 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.334360][ T297] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 25.334374][ T297] 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 25 cb 81 fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 6c f4 8e fe 49 89 1e 48 85 db 0f [ 25.342091][ T24] audit: type=1400 audit(1790298830.089:69): avc: denied { add_name } for pid=297 comm="syz-executor100" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 25.352088][ T297] RSP: 0018:ffffc90000b27b28 EFLAGS: 00010202 [ 25.352098][ T297] RAX: 0000000000000002 RBX: ffff88810b430000 RCX: 0000000000000002 [ 25.352110][ T297] RDX: 0000000000000000 RSI: ffffffff8310419b RDI: ffffed1021686800 [ 25.388061][ T24] audit: type=1400 audit(1790298830.089:70): avc: denied { create } for pid=297 comm="syz-executor100" name="g1" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 25.401131][ T297] RBP: ffffc90000b27b70 R08: 0000000000004000 R09: ffffed1021686800 [ 25.401138][ T297] R10: dffffc0000000000 R11: fffffbfff0c81a7f R12: ffff88810abbc400 [ 25.401144][ T297] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 25.401152][ T297] FS: 000055555e1b23c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.401166][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.458060][ T24] audit: type=1400 audit(1790298830.149:71): avc: denied { write } for pid=297 comm="syz-executor100" name="num_buffers" dev="configfs" ino=14077 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 25.463500][ T297] CR2: 00007f25fc263008 CR3: 00000001081b0000 CR4: 00000000003506a0 [ 25.478047][ T24] audit: type=1400 audit(1790298830.149:72): avc: denied { open } for pid=297 comm="syz-executor100" path="/root/config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers" dev="configfs" ino=14077 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=file permissive=1 [ 25.479406][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.509252][ T24] audit: type=1400 audit(1790298830.389:73): 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 [ 25.526048][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.526052][ T297] Call Trace: [ 25.526067][ T297] ? kstrtou8+0xac/0x130 [ 25.526078][ T297] fsg_opts_num_buffers_store+0x138/0x1c0 [ 25.526094][ T297] ? asm_common_interrupt+0x1e/0x40 [ 25.619821][ T297] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 25.625429][ T297] ? fsg_opts_num_buffers_show+0xb0/0xb0 [ 25.631043][ T297] configfs_write_file+0x320/0x3d0 [ 25.636137][ T297] ? configfs_read_file+0x400/0x400 [ 25.641331][ T297] vfs_write+0x344/0xd70 [ 25.645547][ T297] ? kernel_write+0x3c0/0x3c0 [ 25.650200][ T297] ? cgroup_leave_frozen+0x165/0x2a0 [ 25.655472][ T297] ? ptrace_stop+0x687/0x9c0 [ 25.660042][ T297] ? __kasan_check_read+0x11/0x20 [ 25.665058][ T297] ? __fdget_pos+0x2d9/0x380 [ 25.669628][ T297] ksys_write+0x14a/0x260 [ 25.673934][ T297] ? __ia32_sys_read+0x90/0x90 [ 25.678691][ T297] ? debug_smp_processor_id+0x17/0x20 [ 25.684038][ T297] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 25.690079][ T297] __x64_sys_write+0x7b/0x90 [ 25.694642][ T297] do_syscall_64+0x31/0x40 [ 25.699032][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.704894][ T297] RIP: 0033:0x7f25fc1c6ef9 [ 25.709285][ T297] 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 [ 25.728864][ T297] RSP: 002b:00007fff0666b668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.737253][ T297] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007f25fc1c6ef9 [ 25.745195][ T297] RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003 [ 25.753140][ T297] RBP: 6769666e6f632f2e R08: 000000000000000f R09: 00007fff0666b7a8 [ 25.761086][ T297] R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff0666b798 [ 25.769030][ T297] R13: 0000000000000002 R14: 0000200000000008 R15: 0000000000000002 [ 25.776973][ T297] Modules linked in: [ 25.783710][ T297] ---[ end trace fa641a437428012b ]--- [ 25.789407][ T297] RIP: 0010:fsg_common_set_num_buffers+0x65/0x2b0 [ 25.795904][ T297] 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 25 cb 81 fe 48 89 c3 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 6c f4 8e fe 49 89 1e 48 85 db 0f [ 25.815522][ T297] RSP: 0018:ffffc90000b27b28 EFLAGS: 00010202 [ 25.821584][ T297] RAX: 0000000000000002 RBX: ffff88810b430000 RCX: 0000000000000002 [ 25.829550][ T297] RDX: 0000000000000000 RSI: ffffffff8310419b RDI: ffffed1021686800 [ 25.837527][ T297] RBP: ffffc90000b27b70 R08: 0000000000004000 R09: ffffed1021686800 [ 25.845504][ T297] R10: dffffc0000000000 R11: fffffbfff0c81a7f R12: ffff88810abbc400 [ 25.853519][ T297] R13: dffffc0000000000 R14: 0000000000000010 R15: 0000000000000000 [ 25.861503][ T297] FS: 000055555e1b23c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.870444][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.877021][ T297] CR2: 00007f25fc263008 CR3: 00000001081b0000 CR4: 00000000003506a0 [ 25.884995][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.892962][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.900932][ T297] Kernel panic - not syncing: Fatal exception [ 25.907189][ T297] Kernel Offset: disabled [ 25.911502][ T297] Rebooting in 86400 seconds..