./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4095007426 <...> Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts. execve("./syz-executor4095007426", ["./syz-executor4095007426"], 0x7ffe59543730 /* 10 vars */) = 0 brk(NULL) = 0x55555d383000 brk(0x55555d383d00) = 0x55555d383d00 arch_prctl(ARCH_SET_FS, 0x55555d383380) = 0 set_tid_address(0x55555d383650) = 5826 set_robust_list(0x55555d383660, 24) = 0 rseq(0x55555d383ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4095007426", 4096) = 28 getrandom("\x70\x32\xeb\xd0\xcf\xbc\x80\xed", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555d383d00 brk(0x55555d3a4d00) = 0x55555d3a4d00 brk(0x55555d3a5000) = 0x55555d3a5000 mprotect(0x7f13351a5000, 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./strace-static-x86_64: Process 5827 attached [pid 5827] set_robust_list(0x55555d383660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55555d383650) = 5827 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] getppid() = 0 [pid 5827] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5827] unshare(CLONE_NEWNS) = 0 [pid 5827] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5827] unshare(CLONE_NEWIPC) = 0 [pid 5827] unshare(CLONE_NEWCGROUP) = 0 [pid 5827] unshare(CLONE_NEWUTS) = 0 [pid 5827] unshare(CLONE_SYSVSEM) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "16777216", 8) = 8 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "536870912", 9) = 9 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "8192", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5827] close(3) = 0 [pid 5827] getpid() = 1 [pid 5827] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 59.061285][ C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046 [ 59.067356][ C1] RAX: a19ea77c60f03600 RBX: ffff88805e0e6ee0 RCX: ffff8880325d5a00 [ 59.075322][ C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.083291][ C1] RBP: 0000000000000000 R08: ffffffff81601a72 R09: 1ffff110170e519a [ 59.091257][ C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838 [ 59.099221][ C1] R13: 0000000000000000 R14: 1ffff110170e7307 R15: ffff8880b8739838 [ 59.107188][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 59.116107][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.122685][ C1] CR2: 00007ffc764ebf48 CR3: 000000005d734000 CR4: 00000000003526f0 [ 59.130647][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.138613][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.146574][ C1] Call Trace: [ 59.149847][ C1] [ 59.152685][ C1] ? __warn+0x168/0x4e0 [ 59.156839][ C1] ? invalidate_bh_lru+0x102/0x1b0 [ 59.161946][ C1] ? report_bug+0x2b3/0x500 [ 59.166440][ C1] ? invalidate_bh_lru+0x102/0x1b0 [ 59.171545][ C1] ? handle_bug+0x60/0x90 [ 59.175865][ C1] ? exc_invalid_op+0x1a/0x50 [ 59.180530][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 59.185545][ C1] ? __warn_printk+0x292/0x360 [ 59.190303][ C1] ? invalidate_bh_lru+0x102/0x1b0 [ 59.195411][ C1] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 59.200861][ C1] __flush_smp_call_function_queue+0x3fc/0x1690 [ 59.207097][ C1] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 59.212549][ C1] __sysvec_call_function_single+0xb8/0x430 [ 59.218432][ C1] sysvec_call_function_single+0x9e/0xc0 [ 59.224057][ C1] [ 59.226979][ C1] [ 59.229900][ C1] asm_sysvec_call_function_single+0x1a/0x20 [ 59.235874][ C1] RIP: 0010:unwind_next_frame+0xcad/0x22d0 [ 59.241690][ C1] Code: e0 0f 86 7d 0c 00 00 4c 39 f0 0f 87 74 0c 00 00 4c 89 ef e8 a5 22 00 00 49 89 c6 48 bd 00 00 00 00 00 fc ff df 48 8b 44 24 30 <80> 3c 28 00 48 8b 5c 24 18 74 08 48 89 df e8 80 b8 be 00 4c 89 33 [ 59.261283][ C1] RSP: 0018:ffffc9000d2defd0 EFLAGS: 00000287 [ 59.267341][ C1] RAX: 1ffff92001a5be29 RBX: ffffc9000d2df110 RCX: 1ffff92001a5be20 [ 59.275304][ C1] RDX: ffffffff90a1549a RSI: 0000000000000002 RDI: ffffc9000d2df0f8 [ 59.283262][ C1] RBP: dffffc0000000000 R08: 0000000000000009 R09: 0000000000000000 [ 59.291221][ C1] R10: ffffc9000d2df100 R11: fffff52001a5be2c R12: ffffc9000d2e0000 [ 59.299180][ C1] R13: ffffc9000d2df0f8 R14: ffffffff81420065 R15: 1ffff92001a5be22 [ 59.307145][ C1] ? arch_stack_walk+0xe5/0x150 [ 59.312003][ C1] ? __unwind_start+0xf8/0x740 [ 59.316759][ C1] __unwind_start+0x59a/0x740 [ 59.321425][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 59.327573][ C1] arch_stack_walk+0xe5/0x150 [ 59.332241][ C1] ? __unwind_start+0xf8/0x740 [ 59.336995][ C1] stack_trace_save+0x118/0x1d0 [ 59.341838][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 59.347205][ C1] ? __lock_acquire+0x1397/0x2100 [ 59.352222][ C1] ? __pfx_kernfs_free_rcu+0x10/0x10 [ 59.357502][ C1] kasan_save_stack+0x3f/0x60 [ 59.362195][ C1] ? __phys_addr+0xba/0x170 [ 59.366695][ C1] __kasan_record_aux_stack+0xac/0xc0 [ 59.372059][ C1] call_rcu+0x167/0xa70 [ 59.376212][ C1] ? kernfs_put+0x1c6/0x370 [ 59.380707][ C1] ? __pfx_lock_release+0x10/0x10 [ 59.385721][ C1] ? __pfx_call_rcu+0x10/0x10 [ 59.390390][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 59.395588][ C1] kernfs_put+0x1dc/0x370 [ 59.399915][ C1] kernfs_remove_by_name_ns+0xe4/0x160 [ 59.405370][ C1] sysfs_remove_group+0xfe/0x2c0 [ 59.410299][ C1] sysfs_remove_groups+0x54/0xb0 [ 59.415229][ C1] device_remove_attrs+0x23a/0x290 [ 59.420342][ C1] ? __pfx_device_remove_attrs+0x10/0x10 [ 59.425969][ C1] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 59.431682][ C1] device_del+0x572/0x9b0 [ 59.436006][ C1] ? __pfx_device_del+0x10/0x10 [ 59.440848][ C1] ? netdev_unregister_kobject+0x178/0x250 [ 59.446649][ C1] unregister_netdevice_many_notify+0x1859/0x1da0 [ 59.453068][ C1] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 59.459818][ C1] ? vxlan_exit_batch_rtnl+0x36f/0x400 [ 59.465281][ C1] ? nexthop_net_exit_batch_rtnl+0x100/0x150 [ 59.471250][ C1] cleanup_net+0x75d/0xcc0 [ 59.475664][ C1] ? __pfx_cleanup_net+0x10/0x10 [ 59.480595][ C1] ? process_scheduled_works+0x976/0x1850 [ 59.486314][ C1] process_scheduled_works+0xa63/0x1850 [ 59.491867][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 59.497844][ C1] ? assign_work+0x364/0x3d0 [ 59.502429][ C1] worker_thread+0x870/0xd30 [ 59.507012][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 59.512901][ C1] ? __kthread_parkme+0x169/0x1d0 [ 59.517914][ C1] ? __pfx_worker_thread+0x10/0x10 [ 59.523011][ C1] kthread+0x2f0/0x390 [ 59.527068][ C1] ? __pfx_worker_thread+0x10/0x10 [ 59.532165][ C1] ? __pfx_kthread+0x10/0x10 [ 59.536746][ C1] ret_from_fork+0x4b/0x80 [ 59.541150][ C1] ? __pfx_kthread+0x10/0x10 [ 59.545731][ C1] ret_from_fork_asm+0x1a/0x30 [ 59.550494][ C1] [ 59.553518][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.560787][ C1] CPU: 1 UID: 0 PID: 3557 Comm: kworker/u8:7 Not tainted 6.12.0-next-20241119-syzkaller #0 [ 59.570750][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 59.580796][ C1] Workqueue: netns cleanup_net [ 59.585557][ C1] Call Trace: [ 59.588823][ C1] [ 59.591655][ C1] dump_stack_lvl+0x241/0x360 [ 59.596326][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.601516][ C1] ? __pfx__printk+0x10/0x10 [ 59.606094][ C1] ? _printk+0xd5/0x120 [ 59.610239][ C1] ? __init_begin+0x41000/0x41000 [ 59.615255][ C1] ? vscnprintf+0x5d/0x90 [ 59.619578][ C1] panic+0x349/0x880 [ 59.623461][ C1] ? __warn+0x177/0x4e0 [ 59.627607][ C1] ? __pfx_panic+0x10/0x10 [ 59.632018][ C1] ? show_trace_log_lvl+0x3b2/0x410 [ 59.637211][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 59.642157][ C1] __warn+0x34b/0x4e0 [ 59.646128][ C1] ? invalidate_bh_lru+0x102/0x1b0 [ 59.651232][ C1] report_bug+0x2b3/0x500 [ 59.655551][ C1] ? invalidate_bh_lru+0x102/0x1b0 [ 59.660658][ C1] handle_bug+0x60/0x90 [ 59.664804][ C1] exc_invalid_op+0x1a/0x50 [ 59.669302][ C1] asm_exc_invalid_op+0x1a/0x20 [ 59.674138][ C1] RIP: 0010:invalidate_bh_lru+0x102/0x1b0 [ 59.679849][ C1] Code: e4 eb da ff f0 ff 0b eb 25 e8 ba f5 6f ff 41 80 3c 2e 00 75 2a eb 30 e8 ac f5 6f ff 90 48 c7 c7 e0 e0 18 8c e8 2f 94 30 ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c [ 59.699443][ C1] RSP: 0018:ffffc90000a18f30 EFLAGS: 00010046 [ 59.705500][ C1] RAX: a19ea77c60f03600 RBX: ffff88805e0e6ee0 RCX: ffff8880325d5a00 [ 59.713459][ C1] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.721416][ C1] RBP: 0000000000000000 R08: ffffffff81601a72 R09: 1ffff110170e519a [ 59.729374][ C1] R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880b8739838 [ 59.737334][ C1] R13: 0000000000000000 R14: 1ffff110170e7307 R15: ffff8880b8739838 [ 59.745298][ C1] ? __warn_printk+0x292/0x360 [ 59.750055][ C1] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 59.755505][ C1] __flush_smp_call_function_queue+0x3fc/0x1690 [ 59.761733][ C1] ? __pfx_invalidate_bh_lru+0x10/0x10 [ 59.767185][ C1] __sysvec_call_function_single+0xb8/0x430 [ 59.773068][ C1] sysvec_call_function_single+0x9e/0xc0 [ 59.778696][ C1] [ 59.781639][ C1] [ 59.784559][ C1] asm_sysvec_call_function_single+0x1a/0x20 [ 59.790527][ C1] RIP: 0010:unwind_next_frame+0xcad/0x22d0 [ 59.796321][ C1] Code: e0 0f 86 7d 0c 00 00 4c 39 f0 0f 87 74 0c 00 00 4c 89 ef e8 a5 22 00 00 49 89 c6 48 bd 00 00 00 00 00 fc ff df 48 8b 44 24 30 <80> 3c 28 00 48 8b 5c 24 18 74 08 48 89 df e8 80 b8 be 00 4c 89 33 [ 59.815910][ C1] RSP: 0018:ffffc9000d2defd0 EFLAGS: 00000287 [ 59.821970][ C1] RAX: 1ffff92001a5be29 RBX: ffffc9000d2df110 RCX: 1ffff92001a5be20 [ 59.829928][ C1] RDX: ffffffff90a1549a RSI: 0000000000000002 RDI: ffffc9000d2df0f8 [ 59.837888][ C1] RBP: dffffc0000000000 R08: 0000000000000009 R09: 0000000000000000 [ 59.845849][ C1] R10: ffffc9000d2df100 R11: fffff52001a5be2c R12: ffffc9000d2e0000 [ 59.853812][ C1] R13: ffffc9000d2df0f8 R14: ffffffff81420065 R15: 1ffff92001a5be22 [ 59.861773][ C1] ? arch_stack_walk+0xe5/0x150 [ 59.866630][ C1] ? __unwind_start+0xf8/0x740 [ 59.871384][ C1] __unwind_start+0x59a/0x740 [ 59.876050][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 59.882192][ C1] arch_stack_walk+0xe5/0x150 [ 59.886860][ C1] ? __unwind_start+0xf8/0x740 [ 59.891688][ C1] stack_trace_save+0x118/0x1d0 [ 59.896550][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 59.901925][ C1] ? __lock_acquire+0x1397/0x2100 [ 59.906945][ C1] ? __pfx_kernfs_free_rcu+0x10/0x10 [ 59.912232][ C1] kasan_save_stack+0x3f/0x60 [ 59.916932][ C1] ? __phys_addr+0xba/0x170 [ 59.921426][ C1] __kasan_record_aux_stack+0xac/0xc0 [ 59.926794][ C1] call_rcu+0x167/0xa70 [ 59.930941][ C1] ? kernfs_put+0x1c6/0x370 [ 59.935437][ C1] ? __pfx_lock_release+0x10/0x10 [ 59.940453][ C1] ? __pfx_call_rcu+0x10/0x10 [ 59.945123][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 59.950316][ C1] kernfs_put+0x1dc/0x370 [ 59.954644][ C1] kernfs_remove_by_name_ns+0xe4/0x160 [ 59.960097][ C1] sysfs_remove_group+0xfe/0x2c0 [ 59.965027][ C1] sysfs_remove_groups+0x54/0xb0 [ 59.969956][ C1] device_remove_attrs+0x23a/0x290 [ 59.975063][ C1] ? __pfx_device_remove_attrs+0x10/0x10 [ 59.980686][ C1] ? kernfs_remove_by_name_ns+0x11b/0x160 [ 59.986399][ C1] device_del+0x572/0x9b0 [ 59.990722][ C1] ? __pfx_device_del+0x10/0x10 [ 59.995563][ C1] ? netdev_unregister_kobject+0x178/0x250 [ 60.001367][ C1] unregister_netdevice_many_notify+0x1859/0x1da0 [ 60.007781][ C1] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 60.014534][ C1] ? vxlan_exit_batch_rtnl+0x36f/0x400 [ 60.020037][ C1] ? nexthop_net_exit_batch_rtnl+0x100/0x150 [ 60.026026][ C1] cleanup_net+0x75d/0xcc0 [ 60.030447][ C1] ? __pfx_cleanup_net+0x10/0x10 [ 60.035386][ C1] ? process_scheduled_works+0x976/0x1850 [ 60.041110][ C1] process_scheduled_works+0xa63/0x1850 [ 60.046672][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.052655][ C1] ? assign_work+0x364/0x3d0 [ 60.057245][ C1] worker_thread+0x870/0xd30 [ 60.061828][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 60.067718][ C1] ? __kthread_parkme+0x169/0x1d0 [ 60.072732][ C1] ? __pfx_worker_thread+0x10/0x10 [ 60.077831][ C1] kthread+0x2f0/0x390 [ 60.081890][ C1] ? __pfx_worker_thread+0x10/0x10 [ 60.086989][ C1] ? __pfx_kthread+0x10/0x10 [ 60.091568][ C1] ret_from_fork+0x4b/0x80 [ 60.095978][ C1] ? __pfx_kthread+0x10/0x10 [ 60.100556][ C1] ret_from_fork_asm+0x1a/0x30 [ 60.105326][ C1] [ 60.108576][ C1] Kernel Offset: disabled [ 60.112911][ C1] Rebooting in 86400 seconds..