./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2274933979 <...> Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. execve("./syz-executor2274933979", ["./syz-executor2274933979"], 0x7fffa5fbe100 /* 10 vars */) = 0 brk(NULL) = 0x555556eae000 brk(0x555556eaed00) = 0x555556eaed00 arch_prctl(ARCH_SET_FS, 0x555556eae380) = 0 set_tid_address(0x555556eae650) = 5831 set_robust_list(0x555556eae660, 24) = 0 rseq(0x555556eaeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2274933979", 4096) = 28 getrandom("\xec\x6e\x6c\xe3\x8a\xdd\x9e\x1e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556eaed00 brk(0x555556ecfd00) = 0x555556ecfd00 brk(0x555556ed0000) = 0x555556ed0000 mprotect(0x7eff7af61000, 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, child_tidptr=0x555556eae650) = 5832 ./strace-static-x86_64: Process 5832 attached [pid 5832] set_robust_list(0x555556eae660, 24) = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] getppid() = 0 [pid 5832] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5832] unshare(CLONE_NEWNS) = 0 [pid 5832] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5832] unshare(CLONE_NEWIPC) = 0 [pid 5832] unshare(CLONE_NEWCGROUP) = 0 [pid 5832] unshare(CLONE_NEWUTS) = 0 [pid 5832] unshare(CLONE_SYSVSEM) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "16777216", 8) = 8 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "536870912", 9) = 9 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "8192", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5832] close(3) = 0 [pid 5832] getpid() = 1 [pid 5832] 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 [ 105.602862][ T12] RSP: 0018:ffffc90000117710 EFLAGS: 00010246 [ 105.608937][ T12] RAX: 6875daac7c816500 RBX: 0000000000000000 RCX: ffff88801c685a00 [ 105.617034][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 105.625086][ T12] RBP: 0000000000000000 R08: ffffffff81824ed2 R09: fffffbfff1d7a700 [ 105.633113][ T12] R10: dffffc0000000000 R11: fffffbfff1d7a700 R12: 0000000000000000 [ 105.641266][ T12] R13: dffffc0000000000 R14: ffff888034096008 R15: ffff888034096000 [ 105.649244][ T12] FS: 0000000000000000(0000) GS:ffff888125089000(0000) knlGS:0000000000000000 [ 105.658483][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.665209][ T12] CR2: 00007fa9d1a29440 CR3: 0000000075fc0000 CR4: 00000000003526f0 [ 105.673318][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.681365][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.689387][ T12] Call Trace: [ 105.692771][ T12] [ 105.695735][ T12] ? ethtool_op_get_link+0xd/0x60 [ 105.700848][ T12] ethtool_op_get_link+0x15/0x60 [ 105.705820][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 105.711532][ T12] bond_check_dev_link+0x1fb/0x4b0 [ 105.716688][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 105.722422][ T12] bond_mii_monitor+0x49d/0x3170 [ 105.727405][ T12] ? bond_mii_monitor+0x17f/0x3170 [ 105.732682][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 105.737947][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 105.743392][ T12] ? register_lock_class+0x54/0x330 [ 105.748639][ T12] ? __lock_acquire+0xad5/0xd80 [ 105.753575][ T12] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.758835][ T12] ? process_scheduled_works+0x9cb/0x18e0 [ 105.764696][ T12] process_scheduled_works+0xac3/0x18e0 [ 105.770331][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 105.776454][ T12] ? assign_work+0x367/0x3d0 [ 105.781137][ T12] worker_thread+0x870/0xd50 [ 105.785754][ T12] ? __kthread_parkme+0x1a8/0x200 [ 105.790871][ T12] ? __pfx_worker_thread+0x10/0x10 [ 105.796033][ T12] kthread+0x7b7/0x940 [ 105.800129][ T12] ? __pfx_worker_thread+0x10/0x10 [ 105.805333][ T12] ? __pfx_kthread+0x10/0x10 [ 105.809972][ T12] ? __pfx_kthread+0x10/0x10 [ 105.814665][ T12] ? __pfx_kthread+0x10/0x10 [ 105.819361][ T12] ? __pfx_kthread+0x10/0x10 [ 105.824050][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 105.829284][ T12] ? lockdep_hardirqs_on+0x9d/0x150 [ 105.834578][ T12] ? __pfx_kthread+0x10/0x10 [ 105.839250][ T12] ret_from_fork+0x4b/0x80 [ 105.843758][ T12] ? __pfx_kthread+0x10/0x10 [ 105.848389][ T12] ret_from_fork_asm+0x1a/0x30 [ 105.853279][ T12] [ 105.856334][ T12] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 105.863667][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.15.0-rc1-next-20250408-syzkaller #0 PREEMPT(full) [ 105.875143][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 105.885225][ T12] Workqueue: bond0 bond_mii_monitor [ 105.890475][ T12] Call Trace: [ 105.893779][ T12] [ 105.896733][ T12] dump_stack_lvl+0x241/0x360 [ 105.901449][ T12] ? __pfx_dump_stack_lvl+0x10/0x10 [ 105.906736][ T12] ? __pfx__printk+0x10/0x10 [ 105.911358][ T12] ? vscnprintf+0x5d/0x90 [ 105.915721][ T12] panic+0x349/0x880 [ 105.919622][ T12] ? __warn+0x174/0x4d0 [ 105.923790][ T12] ? __pfx_panic+0x10/0x10 [ 105.928230][ T12] ? ret_from_fork_asm+0x1a/0x30 [ 105.933181][ T12] __warn+0x344/0x4d0 [ 105.937207][ T12] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.942634][ T12] report_bug+0x2b3/0x500 [ 105.946994][ T12] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.952406][ T12] ? __linkwatch_sync_dev+0x30d/0x360 [ 105.957816][ T12] ? __linkwatch_sync_dev+0x30f/0x360 [ 105.963225][ T12] handle_bug+0x89/0x170 [ 105.967513][ T12] exc_invalid_op+0x1a/0x50 [ 105.972046][ T12] asm_exc_invalid_op+0x1a/0x20 [ 105.976912][ T12] RIP: 0010:__linkwatch_sync_dev+0x30d/0x360 [ 105.982908][ T12] Code: 7c fe ff ff e8 f4 63 cc f7 c6 05 83 28 53 06 01 90 48 c7 c7 60 5c 51 8d 48 c7 c6 8a 9b 67 8e ba 38 00 00 00 e8 04 6b 8b f7 90 <0f> 0b 90 90 e9 4d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c 19 fd ff ff [ 106.002545][ T12] RSP: 0018:ffffc90000117710 EFLAGS: 00010246 [ 106.008656][ T12] RAX: 6875daac7c816500 RBX: 0000000000000000 RCX: ffff88801c685a00 [ 106.016650][ T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 106.024637][ T12] RBP: 0000000000000000 R08: ffffffff81824ed2 R09: fffffbfff1d7a700 [ 106.032616][ T12] R10: dffffc0000000000 R11: fffffbfff1d7a700 R12: 0000000000000000 [ 106.040682][ T12] R13: dffffc0000000000 R14: ffff888034096008 R15: ffff888034096000 [ 106.048673][ T12] ? __warn_printk+0x2a2/0x360 [ 106.053492][ T12] ? ethtool_op_get_link+0xd/0x60 [ 106.058560][ T12] ethtool_op_get_link+0x15/0x60 [ 106.063527][ T12] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 106.069200][ T12] bond_check_dev_link+0x1fb/0x4b0 [ 106.074342][ T12] ? __pfx_bond_check_dev_link+0x10/0x10 [ 106.080013][ T12] bond_mii_monitor+0x49d/0x3170 [ 106.084984][ T12] ? bond_mii_monitor+0x17f/0x3170 [ 106.090154][ T12] ? do_raw_spin_unlock+0x13c/0x8b0 [ 106.095419][ T12] ? __pfx_bond_mii_monitor+0x10/0x10 [ 106.100833][ T12] ? register_lock_class+0x54/0x330 [ 106.106052][ T12] ? __lock_acquire+0xad5/0xd80 [ 106.110913][ T12] ? lockdep_hardirqs_on+0x9d/0x150 [ 106.116141][ T12] ? process_scheduled_works+0x9cb/0x18e0 [ 106.121893][ T12] process_scheduled_works+0xac3/0x18e0 [ 106.127490][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 106.133509][ T12] ? assign_work+0x367/0x3d0 [ 106.138128][ T12] worker_thread+0x870/0xd50 [ 106.142759][ T12] ? __kthread_parkme+0x1a8/0x200 [ 106.147817][ T12] ? __pfx_worker_thread+0x10/0x10 [ 106.152945][ T12] kthread+0x7b7/0x940 [ 106.157055][ T12] ? __pfx_worker_thread+0x10/0x10 [ 106.162205][ T12] ? __pfx_kthread+0x10/0x10 [ 106.166826][ T12] ? __pfx_kthread+0x10/0x10 [ 106.171449][ T12] ? __pfx_kthread+0x10/0x10 [ 106.176066][ T12] ? __pfx_kthread+0x10/0x10 [ 106.180701][ T12] ? _raw_spin_unlock_irq+0x23/0x50 [ 106.185947][ T12] ? lockdep_hardirqs_on+0x9d/0x150 [ 106.191192][ T12] ? __pfx_kthread+0x10/0x10 [ 106.195825][ T12] ret_from_fork+0x4b/0x80 [ 106.200348][ T12] ? __pfx_kthread+0x10/0x10 [ 106.204969][ T12] ret_from_fork_asm+0x1a/0x30 [ 106.209775][ T12] [ 106.213161][ T12] Kernel Offset: disabled [ 106.217516][ T12] Rebooting in 86400 seconds..