./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor891980765 <...> Warning: Permanently added '10.128.1.43' (ED25519) to the list of known hosts. execve("./syz-executor891980765", ["./syz-executor891980765"], 0x7ffef312b6e0 /* 10 vars */) = 0 brk(NULL) = 0x555557b21000 brk(0x555557b21d00) = 0x555557b21d00 arch_prctl(ARCH_SET_FS, 0x555557b21380) = 0 set_tid_address(0x555557b21650) = 5839 set_robust_list(0x555557b21660, 24) = 0 rseq(0x555557b21ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor891980765", 4096) = 27 getrandom("\xc9\xba\xf2\x09\x33\x28\xaf\x3d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557b21d00 brk(0x555557b42d00) = 0x555557b42d00 brk(0x555557b43000) = 0x555557b43000 mprotect(0x7f1a38049000, 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 5840 attached [pid 5840] set_robust_list(0x555557b21660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555557b21650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] getppid() = 0 [pid 5840] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5840] unshare(CLONE_NEWNS) = 0 [pid 5840] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5840] unshare(CLONE_NEWIPC) = 0 [pid 5840] unshare(CLONE_NEWCGROUP) = 0 [pid 5840] unshare(CLONE_NEWUTS) = 0 [pid 5840] unshare(CLONE_SYSVSEM) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "16777216", 8) = 8 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "536870912", 9) = 9 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "8192", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024", 4) = 4 [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5840] close(3) = 0 [pid 5840] getpid() = 1 [pid 5840] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 4d fe ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 22 fd ff [ 104.430314][ T49] RSP: 0018:ffffc90000ba7670 EFLAGS: 00010246 [ 104.436422][ T49] RAX: a4c1d8d5a4094c00 RBX: ffff888032708000 RCX: ffff8880222a5a00 [ 104.444478][ T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 104.452535][ T49] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 104.460572][ T49] R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: 1ffff110064e105d [ 104.468606][ T49] R13: dffffc0000000000 R14: ffffffff8c1c95e8 R15: 0000000000000000 [ 104.476579][ T49] FS: 0000000000000000(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000 [ 104.485548][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.492206][ T49] CR2: 0000200000000300 CR3: 000000007997c000 CR4: 00000000003526f0 [ 104.500261][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.508290][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.516259][ T49] Call Trace: [ 104.519590][ T49] [ 104.522535][ T49] ? ethtool_op_get_link+0xd/0x70 [ 104.527641][ T49] ethtool_op_get_link+0x15/0x70 [ 104.532602][ T49] bond_check_dev_link+0x444/0x6c0 [ 104.537786][ T49] ? __pfx_bond_check_dev_link+0x10/0x10 [ 104.543466][ T49] ? netdev_lower_get_next_private_rcu+0x9f/0x100 [ 104.549963][ T49] bond_mii_monitor+0x428/0x2e00 [ 104.554925][ T49] ? psi_task_switch+0x39a/0x6d0 [ 104.559926][ T49] ? bond_mii_monitor+0x153/0x2e00 [ 104.565075][ T49] ? __lock_acquire+0xab9/0xd20 [ 104.570020][ T49] ? __pfx_bond_mii_monitor+0x10/0x10 [ 104.575429][ T49] ? register_lock_class+0x51/0x320 [ 104.580705][ T49] ? __lock_acquire+0xab9/0xd20 [ 104.585599][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.591438][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 104.596695][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.602510][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.608431][ T49] process_scheduled_works+0xade/0x17b0 [ 104.614039][ T49] ? __pfx_process_scheduled_works+0x10/0x10 [ 104.620114][ T49] worker_thread+0x8a0/0xda0 [ 104.624757][ T49] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 104.631180][ T49] ? __kthread_parkme+0x7b/0x200 [ 104.636175][ T49] kthread+0x711/0x8a0 [ 104.640324][ T49] ? __pfx_worker_thread+0x10/0x10 [ 104.645468][ T49] ? __pfx_kthread+0x10/0x10 [ 104.650130][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 104.655350][ T49] ? lockdep_hardirqs_on+0x9c/0x150 [ 104.660600][ T49] ? __pfx_kthread+0x10/0x10 [ 104.665212][ T49] ret_from_fork+0x3fc/0x770 [ 104.669900][ T49] ? __pfx_ret_from_fork+0x10/0x10 [ 104.675056][ T49] ? __switch_to_asm+0x39/0x70 [ 104.679898][ T49] ? __switch_to_asm+0x33/0x70 [ 104.684684][ T49] ? __pfx_kthread+0x10/0x10 [ 104.689397][ T49] ret_from_fork_asm+0x1a/0x30 [ 104.694195][ T49] [ 104.697212][ T49] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 104.704490][ T49] CPU: 0 UID: 0 PID: 49 Comm: kworker/u8:3 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) [ 104.715961][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 104.726020][ T49] Workqueue: bond0 bond_mii_monitor [ 104.731238][ T49] Call Trace: [ 104.734534][ T49] [ 104.737484][ T49] dump_stack_lvl+0x99/0x250 [ 104.742102][ T49] ? __asan_memcpy+0x40/0x70 [ 104.746737][ T49] ? __pfx_dump_stack_lvl+0x10/0x10 [ 104.751979][ T49] ? __pfx__printk+0x10/0x10 [ 104.756599][ T49] panic+0x2db/0x790 [ 104.760620][ T49] ? __pfx_panic+0x10/0x10 [ 104.765063][ T49] ? ret_from_fork_asm+0x1a/0x30 [ 104.770011][ T49] __warn+0x334/0x4c0 [ 104.774003][ T49] ? __linkwatch_sync_dev+0x303/0x350 [ 104.779381][ T49] ? __linkwatch_sync_dev+0x303/0x350 [ 104.784754][ T49] report_bug+0x2be/0x4f0 [ 104.789092][ T49] ? __linkwatch_sync_dev+0x303/0x350 [ 104.794465][ T49] ? __linkwatch_sync_dev+0x303/0x350 [ 104.799845][ T49] ? __linkwatch_sync_dev+0x305/0x350 [ 104.805225][ T49] handle_bug+0x84/0x160 [ 104.809477][ T49] exc_invalid_op+0x1a/0x50 [ 104.813993][ T49] asm_exc_invalid_op+0x1a/0x20 [ 104.818851][ T49] RIP: 0010:__linkwatch_sync_dev+0x303/0x350 [ 104.824839][ T49] Code: 7c fe ff ff e8 5e 7f 66 f8 c6 05 ce 6b 31 06 01 90 48 c7 c7 20 2f 93 8c 48 c7 c6 7a 32 9d 8d ba 48 00 00 00 e8 9e 1d 2a f8 90 <0f> 0b 90 90 e9 4d fe ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 22 fd ff [ 104.844448][ T49] RSP: 0018:ffffc90000ba7670 EFLAGS: 00010246 [ 104.850526][ T49] RAX: a4c1d8d5a4094c00 RBX: ffff888032708000 RCX: ffff8880222a5a00 [ 104.858509][ T49] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 104.866478][ T49] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 104.874446][ T49] R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: 1ffff110064e105d [ 104.882418][ T49] R13: dffffc0000000000 R14: ffffffff8c1c95e8 R15: 0000000000000000 [ 104.890406][ T49] ? ethtool_op_get_link+0xd/0x70 [ 104.895437][ T49] ethtool_op_get_link+0x15/0x70 [ 104.900375][ T49] bond_check_dev_link+0x444/0x6c0 [ 104.905506][ T49] ? __pfx_bond_check_dev_link+0x10/0x10 [ 104.911240][ T49] ? netdev_lower_get_next_private_rcu+0x9f/0x100 [ 104.917666][ T49] bond_mii_monitor+0x428/0x2e00 [ 104.922606][ T49] ? psi_task_switch+0x39a/0x6d0 [ 104.927557][ T49] ? bond_mii_monitor+0x153/0x2e00 [ 104.932667][ T49] ? __lock_acquire+0xab9/0xd20 [ 104.937534][ T49] ? __pfx_bond_mii_monitor+0x10/0x10 [ 104.942912][ T49] ? register_lock_class+0x51/0x320 [ 104.948122][ T49] ? __lock_acquire+0xab9/0xd20 [ 104.952988][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.958724][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 104.963925][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.969650][ T49] ? process_scheduled_works+0x9ef/0x17b0 [ 104.975378][ T49] process_scheduled_works+0xade/0x17b0 [ 104.980960][ T49] ? __pfx_process_scheduled_works+0x10/0x10 [ 104.986967][ T49] worker_thread+0x8a0/0xda0 [ 104.991562][ T49] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 104.997924][ T49] ? __kthread_parkme+0x7b/0x200 [ 105.002877][ T49] kthread+0x711/0x8a0 [ 105.006952][ T49] ? __pfx_worker_thread+0x10/0x10 [ 105.012075][ T49] ? __pfx_kthread+0x10/0x10 [ 105.016680][ T49] ? _raw_spin_unlock_irq+0x23/0x50 [ 105.021884][ T49] ? lockdep_hardirqs_on+0x9c/0x150 [ 105.027090][ T49] ? __pfx_kthread+0x10/0x10 [ 105.031685][ T49] ret_from_fork+0x3fc/0x770 [ 105.036287][ T49] ? __pfx_ret_from_fork+0x10/0x10 [ 105.041411][ T49] ? __switch_to_asm+0x39/0x70 [ 105.046177][ T49] ? __switch_to_asm+0x33/0x70 [ 105.050943][ T49] ? __pfx_kthread+0x10/0x10 [ 105.055540][ T49] ret_from_fork_asm+0x1a/0x30 [ 105.060322][ T49] [ 105.063642][ T49] Kernel Offset: disabled [ 105.067961][ T49] Rebooting in 86400 seconds..