./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1190003327 <...> Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. execve("./syz-executor1190003327", ["./syz-executor1190003327"], 0x7ffdf6c6b5e0 /* 10 vars */) = 0 brk(NULL) = 0x555555b82000 brk(0x555555b82d00) = 0x555555b82d00 arch_prctl(ARCH_SET_FS, 0x555555b82380) = 0 set_tid_address(0x555555b82650) = 5069 set_robust_list(0x555555b82660, 24) = 0 rseq(0x555555b82ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1190003327", 4096) = 28 getrandom("\x76\xc9\xc9\x86\xef\x4d\x68\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555b82d00 brk(0x555555ba3d00) = 0x555555ba3d00 brk(0x555555ba4000) = 0x555555ba4000 mprotect(0x7f3daec1a000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached , child_tidptr=0x555555b82650) = 5070 [pid 5070] set_robust_list(0x555555b82660, 24) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1000", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 5070] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 5070] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x87", iov_len=1}], msg_iovlen=1, msg_control=[{cmsg_len=24, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, cmsg_data=[3, 5]}], msg_controllen=24, msg_flags=0}, MSG_OOB|MSG_DONTWAIT|MSG_MORE) = 1 [pid 5070] exit_group(0) = ? [pid 5069] kill(-5070, SIGKILL) = 0 [pid 5069] kill(5070, SIGKILL) = 0 [pid 5069] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5069] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5069] getdents64(3, 0x555555b836f0 /* 2 entries */, 32768) = 48 [pid 5069] getdents64(3, 0x555555b836f0 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [ 91.525802][ T8] cfg80211: failed to load regulatory.db [ 153.568043][ T4520] udevd[4520]: worker [5071] /devices/platform/regulatory.0/firmware/regulatory.db is taking a long time [ 273.765152][ T4520] udevd[4520]: worker [5071] /devices/platform/regulatory.0/firmware/regulatory.db timeout; kill it [ 273.776657][ T4520] udevd[4520]: seq 7583 '/devices/platform/regulatory.0/firmware/regulatory.db' killed [ 286.079269][ T29] INFO: task klogd:4509 blocked for more than 143 seconds. [ 286.088104][ T29] Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 286.096255][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.106721][ T29] task:klogd state:D stack:23800 pid:4509 tgid:4509 ppid:1 flags:0x00004002 [ 286.118616][ T29] Call Trace: [ 286.122207][ T29] [ 286.125471][ T29] __schedule+0x17d1/0x49f0 [ 286.130582][ T29] ? srso_return_thunk+0x5/0x5f [ 286.135993][ T29] ? __pfx___schedule+0x10/0x10 [ 286.141023][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.146652][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.152986][ T29] ? srso_return_thunk+0x5/0x5f [ 286.158588][ T29] ? schedule+0x8e/0x260 [ 286.163100][ T29] schedule+0x149/0x260 [ 286.168145][ T29] wait_for_unix_gc+0x150/0x210 [ 286.174098][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 286.179920][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.186602][ T29] ? srso_return_thunk+0x5/0x5f [ 286.192788][ T29] ? __kasan_slab_free+0x46/0x70 [ 286.198000][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.203681][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 286.209314][ T29] ? srso_return_thunk+0x5/0x5f [ 286.214741][ T29] ? srso_return_thunk+0x5/0x5f [ 286.220411][ T29] ? aa_sk_perm+0x966/0xab0 [ 286.225227][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.231104][ T29] ? srso_return_thunk+0x5/0x5f [ 286.236182][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 286.241722][ T29] ? srso_return_thunk+0x5/0x5f [ 286.246678][ T29] ? srso_return_thunk+0x5/0x5f [ 286.253231][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 286.259389][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.266009][ T29] __sock_sendmsg+0x223/0x270 [ 286.271288][ T29] __sys_sendto+0x3a4/0x4f0 [ 286.276970][ T29] ? __pfx___sys_sendto+0x10/0x10 [ 286.282796][ T29] ? srso_return_thunk+0x5/0x5f [ 286.287966][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.295157][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.301896][ T29] __x64_sys_sendto+0xde/0x100 [ 286.307286][ T29] do_syscall_64+0xfb/0x240 [ 286.312272][ T29] ? srso_return_thunk+0x5/0x5f [ 286.317510][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.324041][ T29] RIP: 0033:0x7f6bf37d89b5 [ 286.328682][ T29] RSP: 002b:00007ffcd1287808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 286.337858][ T29] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6bf37d89b5 [ 286.346296][ T29] RDX: 0000000000000058 RSI: 0000562190e21a40 RDI: 0000000000000003 [ 286.354569][ T29] RBP: 0000562190e1d910 R08: 0000000000000000 R09: 0000000000000000 [ 286.363383][ T29] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 286.371930][ T29] R13: 00007f6bf3966212 R14: 00007ffcd1287908 R15: 0000000000000000 [ 286.381424][ T29] [ 286.384715][ T29] INFO: task dhcpcd:4733 blocked for more than 143 seconds. [ 286.392468][ T29] Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 286.400492][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.409442][ T29] task:dhcpcd state:D stack:23664 pid:4733 tgid:4733 ppid:1 flags:0x00004002 [ 286.420351][ T29] Call Trace: [ 286.423942][ T29] [ 286.427028][ T29] __schedule+0x17d1/0x49f0 [ 286.431869][ T29] ? srso_return_thunk+0x5/0x5f [ 286.436843][ T29] ? __pfx___schedule+0x10/0x10 [ 286.442391][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.447697][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.454156][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 286.459418][ T29] ? srso_return_thunk+0x5/0x5f [ 286.464936][ T29] ? schedule+0x8e/0x260 [ 286.469636][ T29] schedule+0x149/0x260 [ 286.474523][ T29] wait_for_unix_gc+0x150/0x210 [ 286.479801][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 286.485732][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.492631][ T29] ? srso_return_thunk+0x5/0x5f [ 286.498247][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.504113][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 286.509415][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 286.515132][ T29] ? srso_return_thunk+0x5/0x5f [ 286.520186][ T29] ? srso_return_thunk+0x5/0x5f [ 286.525592][ T29] ? aa_sk_perm+0x966/0xab0 [ 286.530501][ T29] ? aa_file_perm+0x3ef/0xf60 [ 286.535479][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.541157][ T29] ? __pfx_validate_chain+0x10/0x10 [ 286.546832][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 286.551939][ T29] ? srso_return_thunk+0x5/0x5f [ 286.557062][ T29] ? srso_return_thunk+0x5/0x5f [ 286.562452][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 286.568620][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.574407][ T29] __sock_sendmsg+0x223/0x270 [ 286.579537][ T29] sock_write_iter+0x2dd/0x400 [ 286.585349][ T29] ? __pfx_sock_write_iter+0x10/0x10 [ 286.591476][ T29] ? srso_return_thunk+0x5/0x5f [ 286.596856][ T29] ? srso_return_thunk+0x5/0x5f [ 286.602084][ T29] ? security_file_permission+0x7f/0xa0 [ 286.608934][ T29] ? srso_return_thunk+0x5/0x5f [ 286.614069][ T29] vfs_write+0xa83/0xcb0 [ 286.618545][ T29] ? __pfx_vfs_write+0x10/0x10 [ 286.623662][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 286.628914][ T29] ? srso_return_thunk+0x5/0x5f [ 286.633860][ T29] ? __fdget_pos+0x1a1/0x320 [ 286.638686][ T29] ksys_write+0x1a0/0x2c0 [ 286.643318][ T29] ? __pfx_ksys_write+0x10/0x10 [ 286.648259][ T29] ? srso_return_thunk+0x5/0x5f [ 286.653317][ T29] ? srso_return_thunk+0x5/0x5f [ 286.658247][ T29] ? syscall_trace_enter+0xa9/0x150 [ 286.663866][ T29] do_syscall_64+0xfb/0x240 [ 286.668566][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.674973][ T29] RIP: 0033:0x7fb9eb421bf2 [ 286.680206][ T29] RSP: 002b:00007ffd33bfb4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.689645][ T29] RAX: ffffffffffffffda RBX: 000055af260f4770 RCX: 00007fb9eb421bf2 [ 286.698063][ T29] RDX: 0000000000000048 RSI: 00007ffd33bfb510 RDI: 0000000000000005 [ 286.706829][ T29] RBP: 00007ffd33bfb510 R08: 0000000000000008 R09: 0000000000000037 [ 286.716627][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af241ffefc [ 286.725264][ T29] R13: 00007ffd33bfb940 R14: 000055af261c22e0 R15: 0000000000000001 [ 286.733790][ T29] [ 286.736873][ T29] INFO: task udevd:5071 blocked for more than 144 seconds. [ 286.744459][ T29] Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 286.752079][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.761171][ T29] task:udevd state:D stack:26968 pid:5071 tgid:5071 ppid:4520 flags:0x00004006 [ 286.771836][ T29] Call Trace: [ 286.775274][ T29] [ 286.778242][ T29] __schedule+0x17d1/0x49f0 [ 286.783370][ T29] ? srso_return_thunk+0x5/0x5f [ 286.789866][ T29] ? __pfx___schedule+0x10/0x10 [ 286.795005][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.800720][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.807685][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 286.813247][ T29] ? srso_return_thunk+0x5/0x5f [ 286.818528][ T29] ? schedule+0x8e/0x260 [ 286.822974][ T29] schedule+0x149/0x260 [ 286.827415][ T29] wait_for_unix_gc+0x150/0x210 [ 286.832646][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 286.838613][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.845597][ T29] ? srso_return_thunk+0x5/0x5f [ 286.850951][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.857160][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 286.862862][ T29] ? srso_return_thunk+0x5/0x5f [ 286.868062][ T29] ? srso_return_thunk+0x5/0x5f [ 286.873171][ T29] ? aa_sk_perm+0x966/0xab0 [ 286.878118][ T29] ? aa_file_perm+0x3ef/0xf60 [ 286.883137][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.888898][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 286.894082][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 286.899521][ T29] ? srso_return_thunk+0x5/0x5f [ 286.904482][ T29] ? srso_return_thunk+0x5/0x5f [ 286.909641][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 286.915471][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.921445][ T29] __sock_sendmsg+0x223/0x270 [ 286.926653][ T29] sock_write_iter+0x2dd/0x400 [ 286.931582][ T29] ? __pfx_sock_write_iter+0x10/0x10 [ 286.937460][ T29] ? srso_return_thunk+0x5/0x5f [ 286.942991][ T29] ? srso_return_thunk+0x5/0x5f [ 286.947927][ T29] ? security_file_permission+0x7f/0xa0 [ 286.954113][ T29] ? srso_return_thunk+0x5/0x5f [ 286.959265][ T29] vfs_write+0xa83/0xcb0 [ 286.963569][ T29] ? __pfx___sys_sendmsg+0x10/0x10 [ 286.969321][ T29] ? __pfx_vfs_write+0x10/0x10 [ 286.974592][ T29] ? srso_return_thunk+0x5/0x5f [ 286.979786][ T29] ? __fdget_pos+0x1a1/0x320 [ 286.984621][ T29] ksys_write+0x1a0/0x2c0 [ 286.989861][ T29] ? srso_return_thunk+0x5/0x5f [ 286.995091][ T29] ? __pfx_ksys_write+0x10/0x10 [ 287.000396][ T29] ? do_syscall_64+0x108/0x240 [ 287.005524][ T29] ? do_syscall_64+0xb4/0x240 [ 287.010567][ T29] do_syscall_64+0xfb/0x240 [ 287.015669][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.021893][ T29] RIP: 0033:0x7fd50e716bf2 [ 287.026781][ T29] RSP: 002b:00007fffde6938a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.036431][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd50e716bf2 [ 287.044883][ T29] RDX: 0000000000000000 RSI: 00007fffde6938ff RDI: 000000000000000a [ 287.053592][ T29] RBP: 00007fffde6938ff R08: 0000000000000001 R09: ae983facf21baf4e [ 287.061899][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a [ 287.070162][ T29] R13: 00007fd50eac1ae0 R14: 0000000000000000 R15: 000055dc23fa0910 [ 287.078958][ T29] [ 287.082863][ T29] [ 287.082863][ T29] Showing all locks held in the system: [ 287.091646][ T29] 2 locks held by kworker/u4:0/11: [ 287.097798][ T29] #0: ffff888014c89938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 [ 287.111003][ T29] #1: ffffc90000107d20 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 [ 287.125258][ T29] 1 lock held by khungtaskd/29: [ 287.130750][ T29] #0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.143199][ T29] 2 locks held by getty/4820: [ 287.147965][ T29] #0: ffff88802ada30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.158360][ T29] #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 287.169415][ T29] 1 lock held by syz-executor119/5070: [ 287.175719][ T29] [ 287.178531][ T29] ============================================= [ 287.178531][ T29] [ 287.188118][ T29] NMI backtrace for cpu 0 [ 287.192705][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 287.203192][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.213938][ T29] Call Trace: [ 287.217739][ T29] [ 287.220724][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 287.225671][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.231442][ T29] ? __pfx__printk+0x10/0x10 [ 287.236121][ T29] ? vprintk_emit+0x607/0x720 [ 287.241233][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 287.246556][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.251596][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.257602][ T29] ? _printk+0xd5/0x120 [ 287.262562][ T29] ? __pfx__printk+0x10/0x10 [ 287.267438][ T29] ? __wake_up_klogd+0xcc/0x110 [ 287.272522][ T29] ? __pfx__printk+0x10/0x10 [ 287.277361][ T29] ? wq_watchdog_touch+0x72/0x110 [ 287.282844][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.289533][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.296631][ T29] watchdog+0xfaf/0xff0 [ 287.301344][ T29] ? watchdog+0x1e9/0xff0 [ 287.306379][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.312138][ T29] kthread+0x2f1/0x390 [ 287.317038][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.322322][ T29] ? __pfx_kthread+0x10/0x10 [ 287.327481][ T29] ret_from_fork+0x4d/0x80 [ 287.332014][ T29] ? __pfx_kthread+0x10/0x10 [ 287.336861][ T29] ret_from_fork_asm+0x1b/0x30 [ 287.342089][ T29] [ 287.349511][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.355204][ C1] NMI backtrace for cpu 1 [ 287.355224][ C1] CPU: 1 PID: 5070 Comm: syz-executor119 Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 287.355250][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.355265][ C1] RIP: 0010:unix_gc+0x102b/0x1350 [ 287.355306][ C1] Code: 08 48 89 df e8 46 9d ec f7 4c 8b 23 48 81 c3 30 01 00 00 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 <74> 08 48 89 df e8 1b 9d ec f7 4c 8b 33 4d 85 f6 74 3a e8 ae 81 8a [ 287.355325][ C1] RSP: 0018:ffffc900042678e0 EFLAGS: 00000246 [ 287.355347][ C1] RAX: dffffc0000000000 RBX: ffff88807e181f70 RCX: dffffc0000000000 [ 287.355365][ C1] RDX: 0000000000000000 RSI: ffffffff8baab5e0 RDI: ffffffff8bfe6820 [ 287.355381][ C1] RBP: ffffc90004267a50 R08: ffffffff92c894bf R09: 1ffffffff2591297 [ 287.355398][ C1] R10: dffffc0000000000 R11: fffffbfff2591298 R12: ffff88807e181e40 [ 287.355415][ C1] R13: 1ffff1100fc303ee R14: 0000000000000000 R15: ffffffff8f479060 [ 287.355437][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.355457][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.355472][ C1] CR2: 0000555555b8b6f8 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 287.355490][ C1] Call Trace: [ 287.355503][ C1] [ 287.355513][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.355563][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.355603][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.355642][ C1] ? nmi_handle+0x2a/0x580 [ 287.355678][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.355708][ C1] ? nmi_handle+0x151/0x580 [ 287.355729][ C1] ? nmi_handle+0x2a/0x580 [ 287.355751][ C1] ? unix_gc+0x102b/0x1350 [ 287.355776][ C1] ? default_do_nmi+0x63/0x160 [ 287.355801][ C1] ? exc_nmi+0x121/0x210 [ 287.355823][ C1] ? end_repeat_nmi+0xf/0x60 [ 287.355869][ C1] ? unix_gc+0x102b/0x1350 [ 287.355895][ C1] ? unix_gc+0x102b/0x1350 [ 287.355922][ C1] ? unix_gc+0x102b/0x1350 [ 287.355948][ C1] [ 287.355954][ C1] [ 287.355967][ C1] ? __pfx_unix_gc+0x10/0x10 [ 287.356008][ C1] ? srso_return_thunk+0x5/0x5f [ 287.356044][ C1] ? skb_dequeue+0x113/0x150 [ 287.356084][ C1] unix_release_sock+0xadd/0xd20 [ 287.356127][ C1] ? __pfx_unix_release_sock+0x10/0x10 [ 287.356164][ C1] ? __pfx___down_write_common+0x10/0x10 [ 287.356198][ C1] unix_release+0x91/0xc0 [ 287.356234][ C1] sock_close+0xbe/0x240 [ 287.356270][ C1] ? __pfx_sock_close+0x10/0x10 [ 287.356301][ C1] __fput+0x42b/0x8a0 [ 287.356341][ C1] task_work_run+0x250/0x310 [ 287.356377][ C1] ? __pfx_task_work_run+0x10/0x10 [ 287.356408][ C1] ? srso_return_thunk+0x5/0x5f [ 287.356443][ C1] ? switch_task_namespaces+0xe1/0x110 [ 287.356481][ C1] do_exit+0xa2c/0x2740 [ 287.356525][ C1] ? __pfx_do_exit+0x10/0x10 [ 287.356556][ C1] ? srso_return_thunk+0x5/0x5f [ 287.356590][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.356628][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.356668][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.356696][ C1] ? srso_return_thunk+0x5/0x5f [ 287.356731][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 287.356762][ C1] do_group_exit+0x206/0x2c0 [ 287.356797][ C1] __x64_sys_exit_group+0x3f/0x40 [ 287.356827][ C1] do_syscall_64+0xfb/0x240 [ 287.356864][ C1] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.356898][ C1] RIP: 0033:0x7f3daeba5c09 [ 287.356917][ C1] Code: Unable to access opcode bytes at 0x7f3daeba5bdf. [ 287.356927][ C1] RSP: 002b:00007ffc9831b9c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 287.356950][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3daeba5c09 [ 287.356966][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 287.356979][ C1] RBP: 00007f3daec202b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 287.356995][ C1] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f3daec202b0 [ 287.357009][ C1] R13: 0000000000000000 R14: 00007f3daec20d00 R15: 00007f3daeb76e70 [ 287.357037][ C1] [ 287.357045][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.844 msecs [ 287.357463][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.804762][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00136-g1f719a2f3fa6 #0 [ 287.815354][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.825759][ T29] Call Trace: [ 287.829216][ T29] [ 287.832205][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 287.837106][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.842742][ T29] ? __pfx__printk+0x10/0x10 [ 287.847866][ T29] ? srso_return_thunk+0x5/0x5f [ 287.853460][ T29] ? vscnprintf+0x5d/0x90 [ 287.858063][ T29] panic+0x349/0x860 [ 287.862137][ T29] ? srso_return_thunk+0x5/0x5f [ 287.867548][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.873989][ T29] ? __pfx_panic+0x10/0x10 [ 287.878837][ T29] ? tick_nohz_tick_stopped+0x7b/0xc0 [ 287.884445][ T29] ? srso_return_thunk+0x5/0x5f [ 287.889678][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 287.896193][ T29] ? srso_return_thunk+0x5/0x5f [ 287.901262][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.907090][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.913757][ T29] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.921744][ T29] ? srso_return_thunk+0x5/0x5f [ 287.926899][ T29] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.933584][ T29] watchdog+0xfee/0xff0 [ 287.938187][ T29] ? watchdog+0x1e9/0xff0 [ 287.942822][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.947823][ T29] kthread+0x2f1/0x390 [ 287.953647][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.958742][ T29] ? __pfx_kthread+0x10/0x10 [ 287.963469][ T29] ret_from_fork+0x4d/0x80 [ 287.968795][ T29] ? __pfx_kthread+0x10/0x10 [ 287.973740][ T29] ret_from_fork_asm+0x1b/0x30 [ 287.978969][ T29] [ 287.982962][ T29] Kernel Offset: disabled [ 287.987597][ T29] Rebooting in 86400 seconds..