ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor3116926459 <...> Warning: Permanently added '10.128.0.214' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor3116926459", ["ci-upstream-rust-kasan-gce/syz-executor3116926459"], 0x7ffd2f48ca00 /* 10 vars */) = 0 brk(NULL) = 0x5555602e6000 brk(0x5555602e6d80) = 0x5555602e6d80 arch_prctl(ARCH_SET_FS, 0x5555602e6400) = 0 set_tid_address(0x5555602e66d0) = 5636 set_robust_list(0x5555602e66e0, 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}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-rust-kasan-gce/syz-executor3116926459", 4096) = 55 getrandom("\x42\x0d\x1a\x1e\xc6\x0d\xb9\x8e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555602e6d80 brk(0x555560307d80) = 0x555560307d80 brk(0x555560308000) = 0x555560308000 mprotect(0x7f07df252000, 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 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5637 attached , child_tidptr=0x5555602e66d0) = 5637 [pid 5637] set_robust_list(0x5555602e66e0, 24 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5637] getppid() = 0 [pid 5637] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5637] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5637] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5637] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5637] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5637] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5637] unshare(CLONE_NEWNS) = 0 [pid 5637] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5637] unshare(CLONE_NEWIPC) = 0 [pid 5637] unshare(CLONE_NEWCGROUP) = 0 [pid 5637] unshare(CLONE_NEWUTS) = 0 [pid 5637] unshare(CLONE_SYSVSEM) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "16777216", 8) = 8 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "536870912", 9) = 9 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "1024", 4) = 4 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "8192", 4) = 4 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "1024", 4) = 4 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "1024", 4) = 4 [pid 5637] close(3) = 0 [pid 5637] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5637] close(3) = 0 [pid 5637] getpid() = 1 [pid 5637] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 82.964781][ T25] dump_stack_lvl+0xe8/0x150 [ 82.969384][ T25] assign_lock_key+0x133/0x150 [ 82.974157][ T25] register_lock_class+0xcc/0x2e0 [ 82.979188][ T25] __lock_acquire+0x10c/0x2de0 [ 82.983969][ T25] ? __mutex_trylock_common+0x15f/0x270 [ 82.989534][ T25] ? __pfx___mutex_trylock_common+0x10/0x10 [ 82.995426][ T25] lock_acquire+0x115/0x350 [ 82.999931][ T25] ? __wake_up_common_lock+0x30/0x1f0 [ 83.005304][ T25] ? rcu_is_watching+0x16/0xb0 [ 83.010061][ T25] _raw_spin_lock_irqsave+0x40/0x60 [ 83.015275][ T25] ? __wake_up_common_lock+0x30/0x1f0 [ 83.020640][ T25] __wake_up_common_lock+0x30/0x1f0 [ 83.025835][ T25] ? __pfx___mutex_lock+0x10/0x10 [ 83.030860][ T25] __vb2_queue_cancel+0x2de/0xde0 [ 83.035893][ T25] ? __vb2_cleanup_fileio+0x134/0x1f0 [ 83.041261][ T25] vb2_core_queue_release+0x2f/0x150 [ 83.046544][ T25] vb2_video_unregister_device+0x15b/0x200 [ 83.052346][ T25] em28xx_v4l2_init+0x1c89/0x3150 [ 83.057392][ T25] em28xx_init_extension+0x120/0x1d0 [ 83.062674][ T25] ? process_scheduled_works+0x97a/0x1630 [ 83.068386][ T25] process_scheduled_works+0xc3d/0x1630 [ 83.073931][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 83.079912][ T25] ? assign_work+0x3cf/0x5d0 [ 83.084517][ T25] worker_thread+0xa47/0xfb0 [ 83.089124][ T25] kthread+0x38b/0x480 [ 83.093223][ T25] ? __pfx_worker_thread+0x10/0x10 [ 83.098328][ T25] ? __pfx_kthread+0x10/0x10 [ 83.102913][ T25] ret_from_fork+0x514/0xb70 [ 83.107510][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 83.112619][ T25] ? __switch_to+0xc89/0x1420 [ 83.117300][ T25] ? __pfx_kthread+0x10/0x10 [ 83.121892][ T25] ret_from_fork_asm+0x1a/0x30 [ 83.126659][ T25] [ 83.129730][ T25] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI [ 83.141601][ T25] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 83.150033][ T25] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) [ 83.159216][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 83.169347][ T25] Workqueue: events request_module_async [ 83.174982][ T25] RIP: 0010:__wake_up_common_lock+0xd6/0x1f0 [ 83.180958][ T25] Code: 0f 84 d4 00 00 00 44 8b 64 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fd 0f 84 ba 00 00 00 49 89 ee 48 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 5c d5 97 00 48 ba 00 00 00 00 00 fc [ 83.200558][ T25] RSP: 0018:ffffc900001f7880 EFLAGS: 00010046 [ 83.206623][ T25] RAX: 0000000000000000 RBX: ffff8880217b9740 RCX: 0000000000000001 [ 83.214587][ T25] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900001f77e0 [ 83.222554][ T25] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 83.230526][ T25] R10: dffffc0000000000 R11: fffff5200003eefc R12: 0000000000000000 [ 83.238490][ T25] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880217b97d0 [ 83.246457][ T25] FS: 0000000000000000(0000) GS:ffff88812495b000(0000) knlGS:0000000000000000 [ 83.255375][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.261951][ T25] CR2: 00007f77b490de9c CR3: 000000000ed48000 CR4: 00000000003526f0 [ 83.269925][ T25] Call Trace: [ 83.273204][ T25] [ 83.276132][ T25] __vb2_queue_cancel+0x2de/0xde0 [ 83.281163][ T25] ? __vb2_cleanup_fileio+0x134/0x1f0 [ 83.286532][ T25] vb2_core_queue_release+0x2f/0x150 [ 83.291810][ T25] vb2_video_unregister_device+0x15b/0x200 [ 83.297614][ T25] em28xx_v4l2_init+0x1c89/0x3150 [ 83.302642][ T25] em28xx_init_extension+0x120/0x1d0 [ 83.307923][ T25] ? process_scheduled_works+0x97a/0x1630 [ 83.313639][ T25] process_scheduled_works+0xc3d/0x1630 [ 83.319194][ T25] ? __pfx_process_scheduled_works+0x10/0x10 [ 83.325185][ T25] ? assign_work+0x3cf/0x5d0 [ 83.329767][ T25] worker_thread+0xa47/0xfb0 [ 83.334361][ T25] kthread+0x38b/0x480 [ 83.338435][ T25] ? __pfx_worker_thread+0x10/0x10 [ 83.343557][ T25] ? __pfx_kthread+0x10/0x10 [ 83.348152][ T25] ret_from_fork+0x514/0xb70 [ 83.352748][ T25] ? __pfx_ret_from_fork+0x10/0x10 [ 83.357869][ T25] ? __switch_to+0xc89/0x1420 [ 83.362548][ T25] ? __pfx_kthread+0x10/0x10 [ 83.367151][ T25] ret_from_fork_asm+0x1a/0x30 [ 83.371917][ T25] [ 83.374928][ T25] Modules linked in: [ 83.378826][ T25] ---[ end trace 0000000000000000 ]--- [ 83.384296][ T25] RIP: 0010:__wake_up_common_lock+0xd6/0x1f0 [ 83.384322][ T25] Code: 0f 84 d4 00 00 00 44 8b 64 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fd 0f 84 ba 00 00 00 49 89 ee 48 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 5c d5 97 00 48 ba 00 00 00 00 00 fc [ 83.384335][ T25] RSP: 0018:ffffc900001f7880 EFLAGS: 00010046 [ 83.384348][ T25] RAX: 0000000000000000 RBX: ffff8880217b9740 RCX: 0000000000000001 [ 83.384359][ T25] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900001f77e0 [ 83.384369][ T25] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 83.384378][ T25] R10: dffffc0000000000 R11: fffff5200003eefc R12: 0000000000000000 [ 83.384389][ T25] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880217b97d0 [ 83.384399][ T25] FS: 0000000000000000(0000) GS:ffff88812495b000(0000) knlGS:0000000000000000 [ 83.384412][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.384422][ T25] CR2: 00007f77b490de9c CR3: 000000000ed48000 CR4: 00000000003526f0 [ 83.384438][ T25] Kernel panic - not syncing: Fatal exception [ 83.485541][ T25] Kernel Offset: disabled [ 83.489867][ T25] Rebooting in 86400 seconds..