./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor393621749 <...> Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts. execve("./syz-executor393621749", ["./syz-executor393621749"], 0x7ffc9d66e310 /* 10 vars */) = 0 brk(NULL) = 0x555565c61000 brk(0x555565c61d00) = 0x555565c61d00 arch_prctl(ARCH_SET_FS, 0x555565c61380) = 0 set_tid_address(0x555565c61650) = 5842 set_robust_list(0x555565c61660, 24) = 0 rseq(0x555565c61ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor393621749", 4096) = 27 getrandom("\x2a\xff\x26\xa5\xdd\xaa\x5a\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565c61d00 brk(0x555565c82d00) = 0x555565c82d00 brk(0x555565c83000) = 0x555565c83000 mprotect(0x7f1965ec5000, 16384, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached , child_tidptr=0x555565c61650) = 5843 [pid 5843] set_robust_list(0x555565c61660, 24) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] getppid() = 0 [pid 5843] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5843] unshare(CLONE_NEWNS) = 0 [pid 5843] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5843] unshare(CLONE_NEWIPC) = 0 [pid 5843] unshare(CLONE_NEWCGROUP) = 0 [pid 5843] unshare(CLONE_NEWUTS) = 0 [pid 5843] unshare(CLONE_SYSVSEM) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "16777216", 8) = 8 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "536870912", 9) = 9 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1024", 4) = 4 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "8192", 4) = 4 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1024", 4) = 4 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1024", 4) = 4 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5843] close(3) = 0 [pid 5843] getpid() = 1 [pid 5843] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 4d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 fd ff ff [ 103.098914][ T3020] RSP: 0018:ffffc9000bb876f0 EFLAGS: 00010246 [ 103.105178][ T3020] RAX: 25db5f2ec0e10600 RBX: 0000000000000000 RCX: ffff888030c58000 [ 103.115331][ T3020] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 103.123443][ T3020] RBP: 0000000000000000 R08: ffffffff818218d2 R09: fffffbfff1d7a960 [ 103.131471][ T3020] R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: 0000000000000000 [ 103.139503][ T3020] R13: dffffc0000000000 R14: ffff88803526c008 R15: ffff88803526c000 [ 103.147521][ T3020] FS: 0000000000000000(0000) GS:ffff88812509a000(0000) knlGS:0000000000000000 [ 103.156509][ T3020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.163308][ T3020] CR2: 0000200000000300 CR3: 000000002b15c000 CR4: 00000000003526f0 [ 103.171385][ T3020] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.179423][ T3020] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.187508][ T3020] Call Trace: [ 103.190826][ T3020] [ 103.193773][ T3020] ? ethtool_op_get_link+0xd/0x60 [ 103.198899][ T3020] ethtool_op_get_link+0x15/0x60 [ 103.203885][ T3020] bond_check_dev_link+0x43d/0x730 [ 103.209367][ T3020] ? __pfx_bond_check_dev_link+0x10/0x10 [ 103.215461][ T3020] bond_mii_monitor+0x49d/0x3170 [ 103.220455][ T3020] ? bond_mii_monitor+0x17f/0x3170 [ 103.225676][ T3020] ? __smp_call_single_queue+0x11a/0x3a0 [ 103.231374][ T3020] ? __pfx_bond_mii_monitor+0x10/0x10 [ 103.237595][ T3020] ? register_lock_class+0x54/0x330 [ 103.242847][ T3020] ? __lock_acquire+0xad5/0xd80 [ 103.249316][ T3020] ? lockdep_hardirqs_on+0x9d/0x150 [ 103.254631][ T3020] ? process_scheduled_works+0x9cb/0x18e0 [ 103.260919][ T3020] process_scheduled_works+0xac3/0x18e0 [ 103.266737][ T3020] ? __pfx_process_scheduled_works+0x10/0x10 [ 103.273048][ T3020] ? assign_work+0x367/0x3d0 [ 103.277746][ T3020] worker_thread+0x870/0xd50 [ 103.282545][ T3020] ? __kthread_parkme+0x1a8/0x200 [ 103.287715][ T3020] ? __pfx_worker_thread+0x10/0x10 [ 103.292862][ T3020] kthread+0x7b7/0x940 [ 103.298488][ T3020] ? __pfx_worker_thread+0x10/0x10 [ 103.304308][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.309610][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.314246][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.318931][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.323561][ T3020] ? _raw_spin_unlock_irq+0x23/0x50 [ 103.328864][ T3020] ? lockdep_hardirqs_on+0x9d/0x150 [ 103.334097][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.338789][ T3020] ret_from_fork+0x4b/0x80 [ 103.343247][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.348043][ T3020] ret_from_fork_asm+0x1a/0x30 [ 103.352862][ T3020] [ 103.355958][ T3020] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 103.363277][ T3020] CPU: 1 UID: 0 PID: 3020 Comm: kworker/u8:10 Not tainted 6.15.0-rc2-syzkaller-00257-gb5c6891b2c5b #0 PREEMPT(full) [ 103.375549][ T3020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 103.385619][ T3020] Workqueue: bond0 bond_mii_monitor [ 103.390839][ T3020] Call Trace: [ 103.394123][ T3020] [ 103.397059][ T3020] dump_stack_lvl+0x241/0x360 [ 103.401755][ T3020] ? __pfx_dump_stack_lvl+0x10/0x10 [ 103.406964][ T3020] ? __pfx__printk+0x10/0x10 [ 103.411569][ T3020] ? vscnprintf+0x5d/0x90 [ 103.415911][ T3020] panic+0x349/0x880 [ 103.419817][ T3020] ? __warn+0x174/0x4d0 [ 103.424006][ T3020] ? __pfx_panic+0x10/0x10 [ 103.428444][ T3020] ? ret_from_fork_asm+0x1a/0x30 [ 103.433392][ T3020] __warn+0x344/0x4d0 [ 103.437397][ T3020] ? __linkwatch_sync_dev+0x30d/0x360 [ 103.442774][ T3020] report_bug+0x2b3/0x500 [ 103.447110][ T3020] ? __linkwatch_sync_dev+0x30d/0x360 [ 103.452485][ T3020] ? __linkwatch_sync_dev+0x30d/0x360 [ 103.458032][ T3020] ? __linkwatch_sync_dev+0x30f/0x360 [ 103.463423][ T3020] handle_bug+0x89/0x170 [ 103.467672][ T3020] exc_invalid_op+0x1a/0x50 [ 103.472180][ T3020] asm_exc_invalid_op+0x1a/0x20 [ 103.477039][ T3020] RIP: 0010:__linkwatch_sync_dev+0x30d/0x360 [ 103.483023][ T3020] Code: 7c fe ff ff e8 94 7c ce f7 c6 05 19 a1 55 06 01 90 48 c7 c7 60 f3 50 8d 48 c7 c6 f4 b2 6e 8e ba 38 00 00 00 e8 e4 d7 8d f7 90 <0f> 0b 90 90 e9 4d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 fd ff ff [ 103.502632][ T3020] RSP: 0018:ffffc9000bb876f0 EFLAGS: 00010246 [ 103.508716][ T3020] RAX: 25db5f2ec0e10600 RBX: 0000000000000000 RCX: ffff888030c58000 [ 103.516701][ T3020] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 103.524678][ T3020] RBP: 0000000000000000 R08: ffffffff818218d2 R09: fffffbfff1d7a960 [ 103.532664][ T3020] R10: dffffc0000000000 R11: fffffbfff1d7a960 R12: 0000000000000000 [ 103.540639][ T3020] R13: dffffc0000000000 R14: ffff88803526c008 R15: ffff88803526c000 [ 103.548622][ T3020] ? __warn_printk+0x2a2/0x360 [ 103.553405][ T3020] ? ethtool_op_get_link+0xd/0x60 [ 103.558441][ T3020] ethtool_op_get_link+0x15/0x60 [ 103.563392][ T3020] bond_check_dev_link+0x43d/0x730 [ 103.568522][ T3020] ? __pfx_bond_check_dev_link+0x10/0x10 [ 103.574175][ T3020] bond_mii_monitor+0x49d/0x3170 [ 103.579140][ T3020] ? bond_mii_monitor+0x17f/0x3170 [ 103.584264][ T3020] ? __smp_call_single_queue+0x11a/0x3a0 [ 103.589939][ T3020] ? __pfx_bond_mii_monitor+0x10/0x10 [ 103.595325][ T3020] ? register_lock_class+0x54/0x330 [ 103.600537][ T3020] ? __lock_acquire+0xad5/0xd80 [ 103.605400][ T3020] ? lockdep_hardirqs_on+0x9d/0x150 [ 103.610615][ T3020] ? process_scheduled_works+0x9cb/0x18e0 [ 103.616344][ T3020] process_scheduled_works+0xac3/0x18e0 [ 103.621940][ T3020] ? __pfx_process_scheduled_works+0x10/0x10 [ 103.627949][ T3020] ? assign_work+0x367/0x3d0 [ 103.632553][ T3020] worker_thread+0x870/0xd50 [ 103.637159][ T3020] ? __kthread_parkme+0x1a8/0x200 [ 103.642202][ T3020] ? __pfx_worker_thread+0x10/0x10 [ 103.647320][ T3020] kthread+0x7b7/0x940 [ 103.651408][ T3020] ? __pfx_worker_thread+0x10/0x10 [ 103.656524][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.661118][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.666150][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.670752][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.675346][ T3020] ? _raw_spin_unlock_irq+0x23/0x50 [ 103.680550][ T3020] ? lockdep_hardirqs_on+0x9d/0x150 [ 103.685747][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.690345][ T3020] ret_from_fork+0x4b/0x80 [ 103.694763][ T3020] ? __pfx_kthread+0x10/0x10 [ 103.699357][ T3020] ret_from_fork_asm+0x1a/0x30 [ 103.704137][ T3020] [ 103.707491][ T3020] Kernel Offset: disabled [ 103.711820][ T3020] Rebooting in 86400 seconds..