Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 429.629842][ T26] INFO: task dhcpcd:3175 blocked for more than 143 seconds. [ 429.637212][ T26] Not tainted 5.15.150-syzkaller #0 [ 429.643246][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.651961][ T26] task:dhcpcd state:D stack:23544 pid: 3175 ppid: 1 flags:0x00004202 [ 429.661206][ T26] Call Trace: [ 429.664478][ T26] [ 429.667408][ T26] __schedule+0x12c4/0x45b0 [ 429.672124][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 429.678126][ T26] ? print_irqtrace_events+0x210/0x210 [ 429.683611][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 429.688804][ T26] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 429.694737][ T26] ? __sched_text_start+0x8/0x8 [ 429.699586][ T26] ? __might_sleep+0xc0/0xc0 [ 429.704242][ T26] ? __lock_acquire+0x1295/0x1ff0 [ 429.709264][ T26] ? prepare_to_wait_event+0x3aa/0x3e0 [ 429.714953][ T26] schedule+0x11b/0x1f0 [ 429.719115][ T26] wait_for_unix_gc+0x14e/0x210 [ 429.724068][ T26] ? bpf_iter_unix_seq_show+0x250/0x250 [ 429.729613][ T26] ? init_wait_entry+0xd0/0xd0 [ 429.734474][ T26] ? __might_sleep+0xc0/0xc0 [ 429.739090][ T26] unix_dgram_sendmsg+0x143/0x2090 [ 429.744277][ T26] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.749228][ T26] ? mark_lock+0x98/0x340 [ 429.753597][ T26] ? aa_sock_msg_perm+0x91/0x150 [ 429.758611][ T26] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 429.764013][ T26] ? security_socket_sendmsg+0x7d/0xa0 [ 429.769567][ T26] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.774568][ T26] sock_write_iter+0x39b/0x530 [ 429.779421][ T26] ? sock_read_iter+0x480/0x480 [ 429.784330][ T26] ? common_file_perm+0x17d/0x1d0 [ 429.789359][ T26] ? fsnotify_perm+0x67/0x5a0 [ 429.794170][ T26] ? iov_iter_init+0x4a/0x170 [ 429.798905][ T26] vfs_write+0xacf/0xe50 [ 429.803257][ T26] ? file_end_write+0x250/0x250 [ 429.808109][ T26] ? __secure_computing+0x370/0x370 [ 429.813443][ T26] ? read_lock_is_recursive+0x10/0x10 [ 429.818841][ T26] ? __fdget_pos+0x1e9/0x380 [ 429.823505][ T26] ksys_write+0x1a2/0x2c0 [ 429.827860][ T26] ? __ia32_sys_read+0x80/0x80 [ 429.832698][ T26] ? syscall_enter_from_user_mode+0xf5/0x230 [ 429.838757][ T26] do_syscall_64+0x3d/0xb0 [ 429.843263][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 429.849158][ T26] RIP: 0033:0x7f1a87534bf2 [ 429.853614][ T26] RSP: 002b:00007ffe01ed2ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.862046][ T26] RAX: ffffffffffffffda RBX: 00005638ca99adf0 RCX: 00007f1a87534bf2 [ 429.870049][ T26] RDX: 0000000000000047 RSI: 00007ffe01ed2f10 RDI: 0000000000000005 [ 429.878016][ T26] RBP: 00007ffe01ed2f10 R08: 0000000000000008 R09: 0000000000000036 [ 429.886008][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638ca839efc [ 429.894012][ T26] R13: 00007ffe01ed3340 R14: 00005638caa74bb0 R15: 0000000000000001 [ 429.902034][ T26] [ 429.905060][ T26] INFO: task syz-executor296:3836 blocked for more than 143 seconds. [ 429.913147][ T26] Not tainted 5.15.150-syzkaller #0 [ 429.918854][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.927574][ T26] task:syz-executor296 state:D stack:26232 pid: 3836 ppid: 3517 flags:0x00004006 [ 429.936881][ T26] Call Trace: [ 429.940197][ T26] [ 429.943134][ T26] __schedule+0x12c4/0x45b0 [ 429.947659][ T26] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 429.953706][ T26] ? print_irqtrace_events+0x210/0x210 [ 429.959165][ T26] ? do_raw_spin_unlock+0x137/0x8b0 [ 429.964400][ T26] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 429.970471][ T26] ? __sched_text_start+0x8/0x8 [ 429.975391][ T26] ? __might_sleep+0xc0/0xc0 [ 429.980032][ T26] ? stack_trace_snprint+0xe0/0xe0 [ 429.985213][ T26] ? prepare_to_wait_event+0x3aa/0x3e0 [ 429.990836][ T26] schedule+0x11b/0x1f0 [ 429.995026][ T26] wait_for_unix_gc+0x14e/0x210 [ 429.999905][ T26] ? bpf_iter_unix_seq_show+0x250/0x250 [ 430.005465][ T26] ? init_wait_entry+0xd0/0xd0 [ 430.010279][ T26] unix_stream_sendmsg+0xc3/0x1070 [ 430.015399][ T26] ? aa_sk_perm+0x8fc/0xa30 [ 430.019962][ T26] ? unix_show_fdinfo+0xa0/0xa0 [ 430.024814][ T26] ? aa_sock_msg_perm+0x91/0x150 [ 430.029786][ T26] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 430.035063][ T26] ? security_socket_sendmsg+0x7d/0xa0 [ 430.040540][ T26] ? unix_show_fdinfo+0xa0/0xa0 [ 430.045386][ T26] ____sys_sendmsg+0x59e/0x8f0 [ 430.050182][ T26] ? iovec_from_user+0x300/0x390 [ 430.055125][ T26] ? __sys_sendmsg_sock+0x30/0x30 [ 430.060201][ T26] ___sys_sendmsg+0x252/0x2e0 [ 430.064875][ T26] ? __sys_sendmsg+0x260/0x260 [ 430.069636][ T26] ? __lock_acquire+0x1295/0x1ff0 [ 430.074716][ T26] ? __context_tracking_enter+0x5f/0x90 [ 430.080294][ T26] ? __context_tracking_exit+0x4c/0x80 [ 430.085750][ T26] ? __fdget+0x158/0x220 [ 430.090041][ T26] __se_sys_sendmsg+0x19a/0x260 [ 430.094891][ T26] ? __x64_sys_sendmsg+0x80/0x80 [ 430.099856][ T26] ? syscall_enter_from_user_mode+0x2e/0x230 [ 430.105829][ T26] ? lockdep_hardirqs_on+0x94/0x130 [ 430.111141][ T26] ? syscall_enter_from_user_mode+0x2e/0x230 [ 430.117158][ T26] do_syscall_64+0x3d/0xb0 [ 430.121599][ T26] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 430.127491][ T26] RIP: 0033:0x7f8e3c553ab9 [ 430.131933][ T26] RSP: 002b:00007ffd37365758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.140375][ T26] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e3c553ab9 [ 430.148338][ T26] RDX: 0000000000044005 RSI: 0000000020000700 RDI: 0000000000000003 [ 430.156348][ T26] RBP: 0000000000023f87 R08: 0000000000000006 R09: 0000000000000006 [ 430.164334][ T26] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3736576c [ 430.172340][ T26] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 430.180348][ T26] [ 430.183359][ T26] [ 430.183359][ T26] Showing all locks held in the system: [ 430.191099][ T26] 1 lock held by khungtaskd/26: [ 430.195936][ T26] #0: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 430.205322][ T26] 1 lock held by dhcpcd/3176: [ 430.210021][ T26] 2 locks held by getty/3259: [ 430.214684][ T26] #0: ffff888024b81098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 430.224566][ T26] #1: ffffc900024b32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 430.234701][ T26] [ 430.237016][ T26] ============================================= [ 430.237016][ T26] [ 430.245525][ T26] NMI backtrace for cpu 0 [ 430.249836][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.150-syzkaller #0 [ 430.257802][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.267928][ T26] Call Trace: [ 430.271196][ T26] [ 430.274206][ T26] dump_stack_lvl+0x1e3/0x2cb [ 430.278888][ T26] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 430.284511][ T26] ? panic+0x84d/0x84d [ 430.288572][ T26] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 430.293739][ T26] nmi_cpu_backtrace+0x46a/0x4a0 [ 430.298672][ T26] ? __wake_up_klogd+0xd5/0x100 [ 430.303527][ T26] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 430.309674][ T26] ? _printk+0xd1/0x111 [ 430.313819][ T26] ? panic+0x84d/0x84d [ 430.317880][ T26] ? __wake_up_klogd+0xcc/0x100 [ 430.322720][ T26] ? panic+0x84d/0x84d [ 430.326782][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.332885][ T26] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 430.338865][ T26] watchdog+0xe72/0xeb0 [ 430.343023][ T26] kthread+0x3f6/0x4f0 [ 430.347126][ T26] ? hungtask_pm_notify+0x50/0x50 [ 430.352141][ T26] ? kthread_blkcg+0xd0/0xd0 [ 430.356735][ T26] ret_from_fork+0x1f/0x30 [ 430.361166][ T26] [ 430.364243][ T26] Sending NMI from CPU 0 to CPUs 1: [ 430.369439][ C1] NMI backtrace for cpu 1 [ 430.369448][ C1] CPU: 1 PID: 3176 Comm: dhcpcd Not tainted 5.15.150-syzkaller #0 [ 430.369463][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.369470][ C1] RIP: 0010:unix_gc+0x10e7/0x13b0 [ 430.369489][ C1] Code: 00 74 08 48 89 df e8 08 27 d6 f8 48 c7 03 00 00 00 00 4c 89 f7 31 f6 e8 e7 4d 39 ff eb 05 e8 00 6a 8c f8 48 8b 1d c9 67 b9 04 <4c> 39 fb 74 07 e8 ef 69 8c f8 eb 88 e8 e8 69 8c f8 eb 05 e8 e1 69 [ 430.369500][ C1] RSP: 0018:ffffc90003267b00 EFLAGS: 00000293 [ 430.369512][ C1] RAX: ffffffff88f3cb90 RBX: ffff8880789aae58 RCX: ffff888022ee1dc0 [ 430.369523][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 430.369531][ C1] RBP: ffffc90003267c70 R08: ffffffff882d1a83 R09: ffffed10032bd7ac [ 430.369541][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f1355ee [ 430.369551][ C1] R13: ffffc90003267b60 R14: 0000000000000000 R15: ffffffff8dad3360 [ 430.369560][ C1] FS: 00007f1a8746a740(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 430.369580][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.369590][ C1] CR2: 00005555564be6f8 CR3: 000000001f030000 CR4: 00000000003506e0 [ 430.369602][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.369610][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.369619][ C1] Call Trace: [ 430.369624][ C1] [ 430.369629][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 430.369645][ C1] ? read_lock_is_recursive+0x10/0x10 [ 430.369660][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 430.369675][ C1] ? unknown_nmi_error+0xd0/0xd0 [ 430.369752][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 430.369765][ C1] ? nmi_handle+0xf7/0x370 [ 430.369779][ C1] ? unix_gc+0x10e7/0x13b0 [ 430.369793][ C1] ? default_do_nmi+0x62/0x150 [ 430.369806][ C1] ? exc_nmi+0xab/0x120 [ 430.369818][ C1] ? end_repeat_nmi+0x16/0x31 [ 430.369853][ C1] ? kfree_skb_reason+0x113/0x170 [ 430.369872][ C1] ? unix_gc+0x10e0/0x13b0 [ 430.369885][ C1] ? unix_gc+0x10e7/0x13b0 [ 430.369899][ C1] ? unix_gc+0x10e7/0x13b0 [ 430.369913][ C1] ? unix_gc+0x10e7/0x13b0 [ 430.369927][ C1] [ 430.369931][ C1] [ 430.369937][ C1] ? wait_for_unix_gc+0x210/0x210 [ 430.369955][ C1] ? kmem_cache_free+0x146/0x1f0 [ 430.370004][ C1] ? __sk_destruct+0x57f/0x840 [ 430.370020][ C1] unix_release_sock+0x91c/0xaa0 [ 430.370037][ C1] ? unix_stream_read_sock+0x90/0x90 [ 430.370051][ C1] ? down_write+0x10e/0x170 [ 430.370063][ C1] ? down_read_killable+0x350/0x350 [ 430.370077][ C1] unix_release+0x88/0xc0 [ 430.370091][ C1] sock_close+0xcd/0x230 [ 430.370104][ C1] ? sock_mmap+0x90/0x90 [ 430.370117][ C1] __fput+0x3bf/0x890 [ 430.370136][ C1] task_work_run+0x129/0x1a0 [ 430.370153][ C1] exit_to_user_mode_loop+0x106/0x130 [ 430.370168][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 430.370181][ C1] syscall_exit_to_user_mode+0x5d/0x250 [ 430.370196][ C1] do_syscall_64+0x49/0xb0 [ 430.370211][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 430.370226][ C1] RIP: 0033:0x7f1a875350a8 [ 430.370240][ C1] Code: 48 8b 05 83 9d 0d 00 64 c7 00 16 00 00 00 83 c8 ff 48 83 c4 20 5b c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 5b 48 8b 15 51 9d 0d 00 f7 d8 64 89 02 48 83 [ 430.370250][ C1] RSP: 002b:00007ffe01eb3228 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 430.370265][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f1a875350a8 [ 430.370273][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000c [ 430.370281][ C1] RBP: 00007ffe01ed35d8 R08: 0000000000000007 R09: fe1ca33cfefcc7a5 [ 430.370290][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 00005638ca9bb550 [ 430.370299][ C1] R13: 00007ffe01ec3418 R14: 0000000000000148 R15: 0000000000000004 [ 430.370314][ C1] [ 430.370435][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 430.756085][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.150-syzkaller #0 [ 430.764070][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.774124][ T26] Call Trace: [ 430.777396][ T26] [ 430.780319][ T26] dump_stack_lvl+0x1e3/0x2cb [ 430.785089][ T26] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 430.790718][ T26] ? panic+0x84d/0x84d [ 430.794790][ T26] panic+0x318/0x84d [ 430.798680][ T26] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 430.804829][ T26] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 430.810978][ T26] ? fb_is_primary_device+0xcc/0xcc [ 430.816173][ T26] ? __irq_work_queue_local+0x122/0x180 [ 430.821775][ T26] ? irq_work_queue+0xc6/0x150 [ 430.826539][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.832604][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.838664][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.844722][ T26] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0 [ 430.850872][ T26] watchdog+0xeb0/0xeb0 [ 430.855035][ T26] kthread+0x3f6/0x4f0 [ 430.859107][ T26] ? hungtask_pm_notify+0x50/0x50 [ 430.864123][ T26] ? kthread_blkcg+0xd0/0xd0 [ 430.868706][ T26] ret_from_fork+0x1f/0x30 [ 430.873130][ T26] [ 430.876381][ T26] Kernel Offset: disabled [ 430.880692][ T26] Rebooting in 86400 seconds..