./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1680457556 <...> Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts. execve("./syz-executor1680457556", ["./syz-executor1680457556"], 0x7fff5dd77f20 /* 10 vars */) = 0 brk(NULL) = 0x5555567db000 brk(0x5555567dbd00) = 0x5555567dbd00 arch_prctl(ARCH_SET_FS, 0x5555567db380) = 0 set_tid_address(0x5555567db650) = 5075 set_robust_list(0x5555567db660, 24) = 0 rseq(0x5555567dbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1680457556", 4096) = 28 getrandom("\x49\x2f\xc5\xe8\xd2\x87\x71\x5b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555567dbd00 brk(0x5555567fcd00) = 0x5555567fcd00 brk(0x5555567fd000) = 0x5555567fd000 mprotect(0x7fa38308c000, 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, child_tidptr=0x5555567db650) = 5076 ./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x5555567db660, 24) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0 [pid 5076] socketpair(AF_UNIX, SOCK_DGRAM, 0, [5, 6]) = 0 [pid 5076] socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL)) = 7 [pid 5076] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x9d", iov_len=1}], msg_iovlen=1, msg_control=[{cmsg_len=32, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, cmsg_data=[4, 3, 6, 7]}, {cmsg_len=20, cmsg_level=SOL_SOCKET, cmsg_type=SCM_RIGHTS, cmsg_data=[4]}], msg_controllen=56, msg_flags=MSG_NOSIGNAL|MSG_MORE|MSG_FASTOPEN}, MSG_OOB|MSG_MORE) = 1 [pid 5076] exit_group(0) = ? [pid 5075] kill(-5076, SIGKILL) = 0 [pid 5075] kill(5076, SIGKILL) = 0 [pid 5075] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5075] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5075] getdents64(3, 0x5555567dc6f0 /* 2 entries */, 32768) = 48 [pid 5075] getdents64(3, 0x5555567dc6f0 /* 0 entries */, 32768) = 0 [pid 5075] close(3) = 0 [ 86.968625][ T782] cfg80211: failed to load regulatory.db [ 149.026313][ T4519] udevd[4519]: worker [5077] /devices/platform/regulatory.0/firmware/regulatory.db is taking a long time [ 269.230497][ T4519] udevd[4519]: worker [5077] /devices/platform/regulatory.0/firmware/regulatory.db timeout; kill it [ 269.241812][ T4519] udevd[4519]: seq 7589 '/devices/platform/regulatory.0/firmware/regulatory.db' killed [ 286.646263][ T29] INFO: task klogd:4508 blocked for more than 143 seconds. [ 286.653743][ T29] Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 286.661341][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.670055][ T29] task:klogd state:D stack:23800 pid:4508 tgid:4508 ppid:1 flags:0x00004002 [ 286.680318][ T29] Call Trace: [ 286.683633][ T29] [ 286.686622][ T29] __schedule+0x17d1/0x49f0 [ 286.691324][ T29] ? __pfx___schedule+0x10/0x10 [ 286.696236][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.701332][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.707333][ T29] ? schedule+0x8e/0x260 [ 286.711610][ T29] schedule+0x149/0x260 [ 286.715798][ T29] wait_for_unix_gc+0x150/0x210 [ 286.720810][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 286.726238][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.732345][ T29] ? __kasan_slab_free+0x46/0x70 [ 286.737369][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.742703][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 286.747881][ T29] ? aa_sk_perm+0x966/0xab0 [ 286.752463][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.758085][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 286.763064][ T29] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 286.768446][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 286.773951][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.779551][ T29] __sock_sendmsg+0x221/0x270 [ 286.784352][ T29] __sys_sendto+0x3a4/0x4f0 [ 286.788925][ T29] ? __pfx___sys_sendto+0x10/0x10 [ 286.794011][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.800060][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.806461][ T29] __x64_sys_sendto+0xde/0x100 [ 286.811260][ T29] do_syscall_64+0xf9/0x240 [ 286.815882][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.821899][ T29] RIP: 0033:0x7ff7c73f39b5 [ 286.826380][ T29] RSP: 002b:00007ffefe52d4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 286.834825][ T29] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff7c73f39b5 [ 286.842852][ T29] RDX: 0000000000000058 RSI: 000055b107d2fcc0 RDI: 0000000000000003 [ 286.850888][ T29] RBP: 000055b107d2b910 R08: 0000000000000000 R09: 0000000000000000 [ 286.858993][ T29] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 286.867146][ T29] R13: 00007ff7c7581212 R14: 00007ffefe52d5c8 R15: 0000000000000000 [ 286.875163][ T29] [ 286.878240][ T29] INFO: task dhcpcd:4732 blocked for more than 143 seconds. [ 286.885536][ T29] Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 286.893168][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.901957][ T29] task:dhcpcd state:D stack:24120 pid:4732 tgid:4732 ppid:1 flags:0x00004002 [ 286.912181][ T29] Call Trace: [ 286.915482][ T29] [ 286.918464][ T29] __schedule+0x17d1/0x49f0 [ 286.923041][ T29] ? __pfx___schedule+0x10/0x10 [ 286.927960][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.933019][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.938979][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 286.944059][ T29] ? schedule+0x8e/0x260 [ 286.948373][ T29] schedule+0x149/0x260 [ 286.952563][ T29] wait_for_unix_gc+0x150/0x210 [ 286.957474][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 286.962880][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.969020][ T29] ? __pfx___might_resched+0x10/0x10 [ 286.974340][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 286.979521][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 286.984595][ T29] ? aa_sk_perm+0x966/0xab0 [ 286.989165][ T29] ? aa_file_perm+0x3ef/0xf60 [ 286.993872][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 286.999483][ T29] ? __pfx_validate_chain+0x10/0x10 [ 287.004710][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 287.009728][ T29] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.015052][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 287.020572][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.026170][ T29] __sock_sendmsg+0x221/0x270 [ 287.030899][ T29] sock_write_iter+0x2dd/0x400 [ 287.035727][ T29] ? __pfx_sock_write_iter+0x10/0x10 [ 287.041091][ T29] ? bpf_lsm_file_permission+0x9/0x10 [ 287.046528][ T29] ? security_file_permission+0x7f/0xa0 [ 287.052120][ T29] vfs_write+0xa81/0xcb0 [ 287.056456][ T29] ? __pfx_vfs_write+0x10/0x10 [ 287.061273][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 287.066375][ T29] ? __fdget_pos+0x1a1/0x320 [ 287.071013][ T29] ksys_write+0x1a0/0x2c0 [ 287.075382][ T29] ? __pfx_ksys_write+0x10/0x10 [ 287.080301][ T29] ? syscall_trace_enter+0xa9/0x150 [ 287.085550][ T29] do_syscall_64+0xf9/0x240 [ 287.090134][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.096093][ T29] RIP: 0033:0x7f73ff818bf2 [ 287.100527][ T29] RSP: 002b:00007ffc709befd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.108992][ T29] RAX: ffffffffffffffda RBX: 000055a947566770 RCX: 00007f73ff818bf2 [ 287.117009][ T29] RDX: 0000000000000048 RSI: 00007ffc709beff0 RDI: 0000000000000005 [ 287.125008][ T29] RBP: 00007ffc709beff0 R08: 0000000000000008 R09: 0000000000000037 [ 287.133044][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a9469d9efc [ 287.141066][ T29] R13: 00007ffc709bf420 R14: 000055a9476342e0 R15: 0000000000000001 [ 287.149104][ T29] [ 287.152153][ T29] INFO: task udevd:5077 blocked for more than 143 seconds. [ 287.159388][ T29] Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 287.166973][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.175655][ T29] task:udevd state:D stack:26256 pid:5077 tgid:5077 ppid:4519 flags:0x00004006 [ 287.185877][ T29] Call Trace: [ 287.189230][ T29] [ 287.192184][ T29] __schedule+0x17d1/0x49f0 [ 287.196801][ T29] ? __pfx___schedule+0x10/0x10 [ 287.201691][ T29] ? __pfx_lock_release+0x10/0x10 [ 287.206775][ T29] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.212711][ T29] ? __lock_acquire+0x1345/0x1fd0 [ 287.217813][ T29] ? schedule+0x8e/0x260 [ 287.222088][ T29] schedule+0x149/0x260 [ 287.226319][ T29] wait_for_unix_gc+0x150/0x210 [ 287.231205][ T29] ? __pfx_wait_for_unix_gc+0x10/0x10 [ 287.236635][ T29] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.242753][ T29] ? __pfx___might_resched+0x10/0x10 [ 287.248109][ T29] unix_dgram_sendmsg+0x11a/0x2200 [ 287.253265][ T29] ? aa_sk_perm+0x966/0xab0 [ 287.257843][ T29] ? aa_file_perm+0x3ef/0xf60 [ 287.262554][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.268158][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 287.273135][ T29] ? aa_sock_msg_perm+0x91/0x160 [ 287.278144][ T29] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.283464][ T29] ? security_socket_sendmsg+0x87/0xb0 [ 287.289111][ T29] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.294689][ T29] __sock_sendmsg+0x221/0x270 [ 287.301009][ T29] sock_write_iter+0x2dd/0x400 [ 287.305836][ T29] ? __pfx_sock_write_iter+0x10/0x10 [ 287.311234][ T29] ? bpf_lsm_file_permission+0x9/0x10 [ 287.316762][ T29] ? security_file_permission+0x7f/0xa0 [ 287.322355][ T29] vfs_write+0xa81/0xcb0 [ 287.326664][ T29] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.331819][ T29] ? __pfx_vfs_write+0x10/0x10 [ 287.336682][ T29] ? __fdget_pos+0x1a1/0x320 [ 287.341302][ T29] ksys_write+0x1a0/0x2c0 [ 287.345676][ T29] ? __pfx_ksys_write+0x10/0x10 [ 287.350590][ T29] ? do_syscall_64+0x108/0x240 [ 287.355396][ T29] ? do_syscall_64+0xb4/0x240 [ 287.360135][ T29] do_syscall_64+0xf9/0x240 [ 287.364679][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.370730][ T29] RIP: 0033:0x7fb54a316bf2 [ 287.375174][ T29] RSP: 002b:00007ffd0bc83108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.383653][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb54a316bf2 [ 287.391689][ T29] RDX: 0000000000000000 RSI: 00007ffd0bc8315f RDI: 000000000000000a [ 287.399713][ T29] RBP: 00007ffd0bc8315f R08: 0000000000000001 R09: eed99fa303edc051 [ 287.408114][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a [ 287.416202][ T29] R13: 00007fb54a78bae0 R14: 0000000000000000 R15: 000055a1167b7910 [ 287.424224][ T29] [ 287.427305][ T29] [ 287.427305][ T29] Showing all locks held in the system: [ 287.435038][ T29] 1 lock held by khungtaskd/29: [ 287.439929][ T29] #0: ffffffff8e130ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.449918][ T29] 2 locks held by kworker/u4:5/137: [ 287.455155][ T29] #0: ffff888014c8d938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 [ 287.466965][ T29] #1: ffffc90002da7d20 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 [ 287.479803][ T29] 2 locks held by getty/4825: [ 287.484499][ T29] #0: ffff88802aaa50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.494421][ T29] #1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 287.504634][ T29] 1 lock held by syz-executor168/5076: [ 287.510137][ T29] [ 287.512480][ T29] ============================================= [ 287.512480][ T29] [ 287.520927][ T29] NMI backtrace for cpu 1 [ 287.525264][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 287.535083][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.545160][ T29] Call Trace: [ 287.548466][ T29] [ 287.551419][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 287.556137][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.561368][ T29] ? __pfx__printk+0x10/0x10 [ 287.566021][ T29] ? vprintk_emit+0x607/0x720 [ 287.570737][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 287.575797][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.580796][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.586276][ T29] ? _printk+0xd5/0x120 [ 287.590463][ T29] ? __pfx__printk+0x10/0x10 [ 287.595079][ T29] ? __wake_up_klogd+0xcc/0x110 [ 287.599980][ T29] ? __pfx__printk+0x10/0x10 [ 287.604624][ T29] ? wq_watchdog_touch+0x72/0x110 [ 287.609711][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.615794][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.621823][ T29] watchdog+0xfaf/0xff0 [ 287.626049][ T29] ? watchdog+0x1e9/0xff0 [ 287.630420][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.635134][ T29] kthread+0x2ef/0x390 [ 287.639244][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.643953][ T29] ? __pfx_kthread+0x10/0x10 [ 287.648587][ T29] ret_from_fork+0x4b/0x80 [ 287.653054][ T29] ? __pfx_kthread+0x10/0x10 [ 287.657677][ T29] ret_from_fork_asm+0x1b/0x30 [ 287.662617][ T29] [ 287.665743][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.671001][ C0] NMI backtrace for cpu 0 [ 287.671012][ C0] CPU: 0 PID: 5076 Comm: syz-executor168 Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 287.671032][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.671042][ C0] RIP: 0010:unix_gc+0x1012/0x1330 [ 287.671068][ C0] Code: 00 00 00 48 81 c3 30 01 00 00 49 89 dc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df 41 80 3c 04 00 74 08 48 89 df e8 4e a4 ec f7 <4c> 8b 33 4d 85 f6 74 34 e8 f1 88 8a f7 48 b8 00 00 00 00 00 fc ff [ 287.671082][ C0] RSP: 0018:ffffc900039a78e0 EFLAGS: 00000246 [ 287.671098][ C0] RAX: dffffc0000000000 RBX: ffff888076e46770 RCX: ffff88807ef13b80 [ 287.671112][ C0] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 287.671122][ C0] RBP: ffffc900039a7a50 R08: ffffffff8936d6fd R09: 1ffff11003d52b34 [ 287.671135][ C0] R10: dffffc0000000000 R11: ffffed1003d52b35 R12: 1ffff1100edc8cee [ 287.671148][ C0] R13: ffffc900039a7940 R14: 0000000000000000 R15: ffffffff8f478f20 [ 287.671160][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 287.671175][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.671188][ C0] CR2: 000055a116814000 CR3: 000000000df32000 CR4: 00000000003506f0 [ 287.671203][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.671213][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.671224][ C0] Call Trace: [ 287.671232][ C0] [ 287.671239][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.671257][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.671284][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.671301][ C0] ? nmi_handle+0x2a/0x580 [ 287.671341][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.671361][ C0] ? nmi_handle+0x14f/0x580 [ 287.671377][ C0] ? nmi_handle+0x2a/0x580 [ 287.671394][ C0] ? unix_gc+0x1012/0x1330 [ 287.671412][ C0] ? default_do_nmi+0x63/0x160 [ 287.671430][ C0] ? exc_nmi+0x121/0x210 [ 287.671447][ C0] ? end_repeat_nmi+0xf/0x60 [ 287.671476][ C0] ? kfree_skb_reason+0x1fd/0x390 [ 287.671553][ C0] ? unix_gc+0x1012/0x1330 [ 287.671571][ C0] ? unix_gc+0x1012/0x1330 [ 287.671609][ C0] ? unix_gc+0x1012/0x1330 [ 287.671628][ C0] [ 287.671633][ C0] [ 287.671642][ C0] ? __pfx_unix_gc+0x10/0x10 [ 287.671672][ C0] ? skb_dequeue+0x113/0x150 [ 287.671715][ C0] unix_release_sock+0xadd/0xd20 [ 287.671769][ C0] ? __pfx_unix_release_sock+0x10/0x10 [ 287.671796][ C0] ? __pfx___down_write_common+0x10/0x10 [ 287.671826][ C0] unix_release+0x91/0xc0 [ 287.671852][ C0] sock_close+0xbc/0x240 [ 287.671877][ C0] ? __pfx_sock_close+0x10/0x10 [ 287.671899][ C0] __fput+0x429/0x8a0 [ 287.671928][ C0] task_work_run+0x24e/0x310 [ 287.671953][ C0] ? __pfx_task_work_run+0x10/0x10 [ 287.671976][ C0] ? switch_task_namespaces+0xe1/0x110 [ 287.672003][ C0] do_exit+0xa2c/0x2740 [ 287.672036][ C0] ? __pfx_do_exit+0x10/0x10 [ 287.672059][ C0] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.672086][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.672115][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.672136][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 287.672159][ C0] do_group_exit+0x206/0x2c0 [ 287.672184][ C0] __x64_sys_exit_group+0x3f/0x40 [ 287.672206][ C0] do_syscall_64+0xf9/0x240 [ 287.672232][ C0] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.672257][ C0] RIP: 0033:0x7fa383017c89 [ 287.672271][ C0] Code: Unable to access opcode bytes at 0x7fa383017c5f. [ 287.672279][ C0] RSP: 002b:00007ffd86f2fa48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 287.672297][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa383017c89 [ 287.672309][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 287.672320][ C0] RBP: 00007fa3830922d0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 287.672332][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fa3830922d0 [ 287.672342][ C0] R13: 0000000000000000 R14: 00007fa383092d20 R15: 00007fa382fe8ed0 [ 287.672363][ C0] [ 287.672370][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.368 msecs [ 287.673000][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.078724][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc3-syzkaller-00217-g2ec197fda25f #0 [ 288.088557][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 288.098637][ T29] Call Trace: [ 288.101943][ T29] [ 288.104894][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 288.109620][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.114856][ T29] ? __pfx__printk+0x10/0x10 [ 288.119488][ T29] ? vscnprintf+0x5d/0x90 [ 288.123847][ T29] panic+0x349/0x860 [ 288.127780][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.133959][ T29] ? __pfx_panic+0x10/0x10 [ 288.138404][ T29] ? tick_nohz_tick_stopped+0x7b/0xc0 [ 288.143802][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 288.149411][ T29] ? irq_work_queue+0xca/0x150 [ 288.154202][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.160212][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.166244][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.172253][ T29] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 288.178433][ T29] watchdog+0xfee/0xff0 [ 288.182625][ T29] ? watchdog+0x1e9/0xff0 [ 288.186997][ T29] ? __pfx_watchdog+0x10/0x10 [ 288.191712][ T29] kthread+0x2ef/0x390 [ 288.195803][ T29] ? __pfx_watchdog+0x10/0x10 [ 288.200511][ T29] ? __pfx_kthread+0x10/0x10 [ 288.205131][ T29] ret_from_fork+0x4b/0x80 [ 288.209579][ T29] ? __pfx_kthread+0x10/0x10 [ 288.214198][ T29] ret_from_fork_asm+0x1b/0x30 [ 288.219010][ T29] [ 288.222333][ T29] Kernel Offset: disabled [ 288.226658][ T29] Rebooting in 86400 seconds..