./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2390001436 <...> Warning: Permanently added '10.128.1.0' (ED25519) to the list of known hosts. execve("./syz-executor2390001436", ["./syz-executor2390001436"], 0x7ffed87d2120 /* 10 vars */) = 0 brk(NULL) = 0x5555555c6000 brk(0x5555555c6d00) = 0x5555555c6d00 arch_prctl(ARCH_SET_FS, 0x5555555c6380) = 0 set_tid_address(0x5555555c6650) = 5025 set_robust_list(0x5555555c6660, 24) = 0 rseq(0x5555555c6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2390001436", 4096) = 28 getrandom("\x5a\x11\xca\x10\xa2\x35\x73\x2e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555555c6d00 brk(0x5555555e7d00) = 0x5555555e7d00 brk(0x5555555e8000) = 0x5555555e8000 mprotect(0x7fd8bbb95000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555555c6650) = 5026 ./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x5555555c6660, 24) = 0 [pid 5026] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setsid() = 1 [pid 5026] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5026] unshare(CLONE_NEWNS) = 0 [pid 5026] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5026] unshare(CLONE_NEWIPC) = 0 [pid 5026] unshare(CLONE_NEWCGROUP) = 0 [pid 5026] unshare(CLONE_NEWUTS) = 0 [pid 5026] unshare(CLONE_SYSVSEM) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "16777216", 8) = 8 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "536870912", 9) = 9 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "8192", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5026] close(3) = 0 [pid 5026] getpid() = 1 [pid 5026] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< (0bd3:0d55) [ 63.032324][ T5035] uvcvideo 1-1:0.0: Entity type for entity Output 255 was not initialized! [ 63.042815][ T5035] ------------[ cut here ]------------ [ 63.049055][ T5035] WARNING: CPU: 0 PID: 5035 at drivers/media/mc/mc-entity.c:1083 media_create_pad_link+0x979/0xad0 [ 63.060042][ T5035] Modules linked in: [ 63.063945][ T5035] CPU: 0 PID: 5035 Comm: kworker/0:6 Not tainted 6.5.0-syzkaller-04592-gd68b4b6f307d #0 [ 63.074112][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 63.084222][ T5035] Workqueue: usb_hub_wq hub_event [ 63.089382][ T5035] RIP: 0010:media_create_pad_link+0x979/0xad0 [ 63.096203][ T5035] Code: 00 66 41 ff 04 24 31 c0 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 55 14 6d fa 0f 0b b8 ea ff ff ff eb e3 e8 47 14 6d fa <0f> 0b b8 ea ff ff ff eb d5 e8 39 14 6d fa 0f 0b b8 ea ff ff ff eb [ 63.115957][ T5035] RSP: 0018:ffffc90003af6970 EFLAGS: 00010293 [ 63.122046][ T5035] RAX: ffffffff87205779 RBX: 0000000000000000 RCX: ffff8880263b3b80 [ 63.130078][ T5035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.138239][ T5035] RBP: 0000000000000000 R08: ffffffff87204e71 R09: 1ffff1100fad5497 [ 63.146291][ T5035] R10: dffffc0000000000 R11: ffffed100fad5498 R12: 0000000000000000 [ 63.154589][ T5035] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802bcb7880 [ 63.162572][ T5035] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 63.171556][ T5035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.178410][ T5035] CR2: 0000560957558bd0 CR3: 000000007609d000 CR4: 00000000003506f0 [ 63.186658][ T5035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.194909][ T5035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.203119][ T5035] Call Trace: [ 63.206495][ T5035] [ 63.209450][ T5035] ? __warn+0x162/0x4a0 [ 63.213984][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.219538][ T5035] ? report_bug+0x2b3/0x500 [ 63.224072][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.229886][ T5035] ? handle_bug+0x3d/0x70 [ 63.234229][ T5035] ? exc_invalid_op+0x1a/0x50 [ 63.239078][ T5035] ? asm_exc_invalid_op+0x1a/0x20 [ 63.244146][ T5035] ? media_create_pad_link+0x71/0xad0 [ 63.250218][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.258407][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.264248][ T5035] ? _raw_spin_unlock+0x28/0x40 [ 63.269287][ T5035] ? v4l2_device_register_subdev+0x50c/0x590 [ 63.275393][ T5035] uvc_mc_register_entities+0x6e4/0x950 [ 63.281156][ T5035] uvc_register_chains+0x3d4/0x4c0 [ 63.286882][ T5035] uvc_probe+0xabaa/0xb450 [ 63.291620][ T5035] ? mark_lock+0x9a/0x340 [ 63.296699][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 63.303089][ T5035] ? print_irqtrace_events+0x220/0x220 [ 63.309780][ T5035] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.316309][ T5035] ? _raw_spin_unlock+0x40/0x40 [ 63.321526][ T5035] ? ktime_get_mono_fast_ns+0x1bd/0x1e0 [ 63.327453][ T5035] ? pm_runtime_enable+0x1c2/0x2d0 [ 63.336130][ T5035] usb_probe_interface+0x5c4/0xb00 [ 63.342435][ T5035] ? usb_register_driver+0x3d0/0x3d0 [ 63.348898][ T5035] really_probe+0x294/0xc30 [ 63.353900][ T5035] __driver_probe_device+0x1a2/0x3d0 [ 63.359690][ T5035] driver_probe_device+0x50/0x420 [ 63.365737][ T5035] __device_attach_driver+0x2d3/0x520 [ 63.372673][ T5035] bus_for_each_drv+0x24a/0x2d0 [ 63.378622][ T5035] ? coredump_store+0x90/0x90 [ 63.387359][ T5035] ? bus_find_device+0x2e0/0x2e0 [ 63.393979][ T5035] __device_attach+0x32f/0x510 [ 63.400385][ T5035] ? device_attach+0x20/0x20 [ 63.406387][ T5035] bus_probe_device+0x185/0x260 [ 63.411948][ T5035] device_add+0xb75/0xf60 [ 63.416942][ T5035] usb_set_configuration+0x1976/0x1fb0 [ 63.424457][ T5035] ? usb_device_is_owned+0xcb/0x210 [ 63.429840][ T5035] usb_generic_driver_probe+0x88/0x140 [ 63.436087][ T5035] usb_probe_device+0x134/0x270 [ 63.441080][ T5035] ? usb_register_device_driver+0x240/0x240 [ 63.447839][ T5035] really_probe+0x294/0xc30 [ 63.452931][ T5035] __driver_probe_device+0x1a2/0x3d0 [ 63.458585][ T5035] driver_probe_device+0x50/0x420 [ 63.464527][ T5035] __device_attach_driver+0x2d3/0x520 [ 63.471155][ T5035] bus_for_each_drv+0x24a/0x2d0 [ 63.478411][ T5035] ? coredump_store+0x90/0x90 [ 63.483724][ T5035] ? bus_find_device+0x2e0/0x2e0 [ 63.489247][ T5035] __device_attach+0x32f/0x510 [ 63.494585][ T5035] ? __lock_acquire+0x7f70/0x7f70 [ 63.499639][ T5035] ? device_attach+0x20/0x20 [ 63.504256][ T5035] ? do_raw_spin_unlock+0x13b/0x8b0 [ 63.509649][ T5035] bus_probe_device+0x185/0x260 [ 63.514705][ T5035] device_add+0xb75/0xf60 [ 63.519113][ T5035] usb_new_device+0xb7e/0x18d0 [ 63.524421][ T5035] ? usb_disconnect+0x8d0/0x8d0 [ 63.529324][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 63.534785][ T5035] ? lockdep_hardirqs_on+0x98/0x140 [ 63.540052][ T5035] hub_event+0x2e9e/0x52c0 [ 63.544577][ T5035] ? led_work+0x770/0x770 [ 63.548948][ T5035] ? read_lock_is_recursive+0x20/0x20 [ 63.554794][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 63.561022][ T5035] ? print_irqtrace_events+0x220/0x220 [ 63.567180][ T5035] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.573913][ T5035] process_one_work+0x92c/0x12c0 [ 63.581433][ T5035] ? worker_detach_from_pool+0x290/0x290 [ 63.587834][ T5035] ? _raw_spin_lock_irqsave+0x120/0x120 [ 63.593770][ T5035] ? kthread_data+0x52/0xc0 [ 63.599926][ T5035] ? wq_worker_running+0xa1/0x200 [ 63.607506][ T5035] worker_thread+0xa63/0x1210 [ 63.613478][ T5035] ? _raw_spin_unlock+0x40/0x40 [ 63.619212][ T5035] kthread+0x2b8/0x350 [ 63.624680][ T5035] ? pr_cont_work+0x5e0/0x5e0 [ 63.630111][ T5035] ? kthread_blkcg+0xd0/0xd0 [ 63.636463][ T5035] ret_from_fork+0x48/0x80 [ 63.641364][ T5035] ? kthread_blkcg+0xd0/0xd0 [ 63.646403][ T5035] ret_from_fork_asm+0x11/0x20 [ 63.651922][ T5035] [ 63.655082][ T5035] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 63.665093][ T5035] CPU: 0 PID: 5035 Comm: kworker/0:6 Not tainted 6.5.0-syzkaller-04592-gd68b4b6f307d #0 [ 63.678411][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 63.692308][ T5035] Workqueue: usb_hub_wq hub_event [ 63.697561][ T5035] Call Trace: [ 63.700973][ T5035] [ 63.704106][ T5035] dump_stack_lvl+0x1e7/0x2d0 [ 63.709849][ T5035] ? nf_tcp_handle_invalid+0x650/0x650 [ 63.715788][ T5035] ? panic+0x770/0x770 [ 63.721016][ T5035] ? vscnprintf+0x5d/0x80 [ 63.725446][ T5035] panic+0x30f/0x770 [ 63.729385][ T5035] ? __warn+0x171/0x4a0 [ 63.733565][ T5035] ? __memcpy_flushcache+0x2b0/0x2b0 [ 63.738883][ T5035] ? ret_from_fork_asm+0x11/0x20 [ 63.744227][ T5035] __warn+0x314/0x4a0 [ 63.748659][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.754823][ T5035] report_bug+0x2b3/0x500 [ 63.759892][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.765372][ T5035] handle_bug+0x3d/0x70 [ 63.769619][ T5035] exc_invalid_op+0x1a/0x50 [ 63.774156][ T5035] asm_exc_invalid_op+0x1a/0x20 [ 63.779571][ T5035] RIP: 0010:media_create_pad_link+0x979/0xad0 [ 63.785653][ T5035] Code: 00 66 41 ff 04 24 31 c0 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 55 14 6d fa 0f 0b b8 ea ff ff ff eb e3 e8 47 14 6d fa <0f> 0b b8 ea ff ff ff eb d5 e8 39 14 6d fa 0f 0b b8 ea ff ff ff eb [ 63.805693][ T5035] RSP: 0018:ffffc90003af6970 EFLAGS: 00010293 [ 63.811853][ T5035] RAX: ffffffff87205779 RBX: 0000000000000000 RCX: ffff8880263b3b80 [ 63.819829][ T5035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.827820][ T5035] RBP: 0000000000000000 R08: ffffffff87204e71 R09: 1ffff1100fad5497 [ 63.835802][ T5035] R10: dffffc0000000000 R11: ffffed100fad5498 R12: 0000000000000000 [ 63.843775][ T5035] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802bcb7880 [ 63.852108][ T5035] ? media_create_pad_link+0x71/0xad0 [ 63.857490][ T5035] ? media_create_pad_link+0x979/0xad0 [ 63.862963][ T5035] ? _raw_spin_unlock+0x28/0x40 [ 63.867817][ T5035] ? v4l2_device_register_subdev+0x50c/0x590 [ 63.873822][ T5035] uvc_mc_register_entities+0x6e4/0x950 [ 63.879563][ T5035] uvc_register_chains+0x3d4/0x4c0 [ 63.884711][ T5035] uvc_probe+0xabaa/0xb450 [ 63.889151][ T5035] ? mark_lock+0x9a/0x340 [ 63.893498][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 63.899671][ T5035] ? print_irqtrace_events+0x220/0x220 [ 63.905234][ T5035] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 63.911139][ T5035] ? _raw_spin_unlock+0x40/0x40 [ 63.916091][ T5035] ? ktime_get_mono_fast_ns+0x1bd/0x1e0 [ 63.921823][ T5035] ? pm_runtime_enable+0x1c2/0x2d0 [ 63.926938][ T5035] usb_probe_interface+0x5c4/0xb00 [ 63.932067][ T5035] ? usb_register_driver+0x3d0/0x3d0 [ 63.937442][ T5035] really_probe+0x294/0xc30 [ 63.942045][ T5035] __driver_probe_device+0x1a2/0x3d0 [ 63.947335][ T5035] driver_probe_device+0x50/0x420 [ 63.953957][ T5035] __device_attach_driver+0x2d3/0x520 [ 63.960039][ T5035] bus_for_each_drv+0x24a/0x2d0 [ 63.964947][ T5035] ? coredump_store+0x90/0x90 [ 63.970432][ T5035] ? bus_find_device+0x2e0/0x2e0 [ 63.975388][ T5035] __device_attach+0x32f/0x510 [ 63.980159][ T5035] ? device_attach+0x20/0x20 [ 63.984791][ T5035] bus_probe_device+0x185/0x260 [ 63.989787][ T5035] device_add+0xb75/0xf60 [ 63.994414][ T5035] usb_set_configuration+0x1976/0x1fb0 [ 64.000073][ T5035] ? usb_device_is_owned+0xcb/0x210 [ 64.005460][ T5035] usb_generic_driver_probe+0x88/0x140 [ 64.011487][ T5035] usb_probe_device+0x134/0x270 [ 64.016494][ T5035] ? usb_register_device_driver+0x240/0x240 [ 64.022665][ T5035] really_probe+0x294/0xc30 [ 64.028255][ T5035] __driver_probe_device+0x1a2/0x3d0 [ 64.034115][ T5035] driver_probe_device+0x50/0x420 [ 64.040506][ T5035] __device_attach_driver+0x2d3/0x520 [ 64.047254][ T5035] bus_for_each_drv+0x24a/0x2d0 [ 64.053707][ T5035] ? coredump_store+0x90/0x90 [ 64.059332][ T5035] ? bus_find_device+0x2e0/0x2e0 [ 64.064347][ T5035] __device_attach+0x32f/0x510 [ 64.069357][ T5035] ? __lock_acquire+0x7f70/0x7f70 [ 64.074921][ T5035] ? device_attach+0x20/0x20 [ 64.079567][ T5035] ? do_raw_spin_unlock+0x13b/0x8b0 [ 64.084806][ T5035] bus_probe_device+0x185/0x260 [ 64.089769][ T5035] device_add+0xb75/0xf60 [ 64.094119][ T5035] usb_new_device+0xb7e/0x18d0 [ 64.098953][ T5035] ? usb_disconnect+0x8d0/0x8d0 [ 64.103866][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 64.109077][ T5035] ? lockdep_hardirqs_on+0x98/0x140 [ 64.114279][ T5035] hub_event+0x2e9e/0x52c0 [ 64.118836][ T5035] ? led_work+0x770/0x770 [ 64.123183][ T5035] ? read_lock_is_recursive+0x20/0x20 [ 64.128565][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 64.134782][ T5035] ? print_irqtrace_events+0x220/0x220 [ 64.140345][ T5035] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 64.147064][ T5035] process_one_work+0x92c/0x12c0 [ 64.153261][ T5035] ? worker_detach_from_pool+0x290/0x290 [ 64.160069][ T5035] ? _raw_spin_lock_irqsave+0x120/0x120 [ 64.167670][ T5035] ? kthread_data+0x52/0xc0 [ 64.172280][ T5035] ? wq_worker_running+0xa1/0x200 [ 64.177524][ T5035] worker_thread+0xa63/0x1210 [ 64.182686][ T5035] ? _raw_spin_unlock+0x40/0x40 [ 64.188152][ T5035] kthread+0x2b8/0x350 [ 64.192251][ T5035] ? pr_cont_work+0x5e0/0x5e0 [ 64.197017][ T5035] ? kthread_blkcg+0xd0/0xd0 [ 64.202304][ T5035] ret_from_fork+0x48/0x80 [ 64.207555][ T5035] ? kthread_blkcg+0xd0/0xd0 [ 64.212214][ T5035] ret_from_fork_asm+0x11/0x20 [ 64.217473][ T5035] [ 64.221047][ T5035] Kernel Offset: disabled [ 64.225673][ T5035] Rebooting in 86400 seconds..