Warning: Permanently added '10.128.0.254' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 429.558510][ T27] INFO: task dhcpcd:3177 blocked for more than 143 seconds. [ 429.565899][ T27] Not tainted 5.15.149-syzkaller #0 [ 429.572029][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.580707][ T27] task:dhcpcd state:D stack:23544 pid: 3177 ppid: 1 flags:0x00004202 [ 429.589938][ T27] Call Trace: [ 429.593207][ T27] [ 429.596133][ T27] __schedule+0x12c4/0x45b0 [ 429.600732][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 429.606750][ T27] ? print_irqtrace_events+0x210/0x210 [ 429.612245][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 429.617436][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 429.623363][ T27] ? __sched_text_start+0x8/0x8 [ 429.628206][ T27] ? __might_sleep+0xc0/0xc0 [ 429.632851][ T27] ? __lock_acquire+0x1295/0x1ff0 [ 429.637868][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 429.643446][ T27] schedule+0x11b/0x1f0 [ 429.647598][ T27] wait_for_unix_gc+0x14e/0x210 [ 429.652523][ T27] ? bpf_iter_unix_seq_show+0x250/0x250 [ 429.658062][ T27] ? init_wait_entry+0xd0/0xd0 [ 429.662846][ T27] ? __might_sleep+0xc0/0xc0 [ 429.667430][ T27] unix_dgram_sendmsg+0x143/0x2090 [ 429.672590][ T27] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.677521][ T27] ? mark_lock+0x98/0x340 [ 429.681863][ T27] ? aa_sock_msg_perm+0x91/0x150 [ 429.686840][ T27] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 429.692166][ T27] ? security_socket_sendmsg+0x7d/0xa0 [ 429.697658][ T27] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.702604][ T27] sock_write_iter+0x39b/0x530 [ 429.707407][ T27] ? sock_read_iter+0x480/0x480 [ 429.712288][ T27] ? common_file_perm+0x17d/0x1d0 [ 429.717307][ T27] ? fsnotify_perm+0x67/0x5a0 [ 429.722002][ T27] ? iov_iter_init+0x4a/0x170 [ 429.726948][ T27] vfs_write+0xacf/0xe50 [ 429.731250][ T27] ? file_end_write+0x250/0x250 [ 429.736093][ T27] ? __secure_computing+0x370/0x370 [ 429.741469][ T27] ? read_lock_is_recursive+0x10/0x10 [ 429.746846][ T27] ? __fdget_pos+0x1e9/0x380 [ 429.751503][ T27] ksys_write+0x1a2/0x2c0 [ 429.755834][ T27] ? __ia32_sys_read+0x80/0x80 [ 429.760663][ T27] ? syscall_enter_from_user_mode+0xf5/0x230 [ 429.766710][ T27] do_syscall_64+0x3d/0xb0 [ 429.771173][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 429.777064][ T27] RIP: 0033:0x7f99db53dbf2 [ 429.781490][ T27] RSP: 002b:00007ffc9d9931a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.789940][ T27] RAX: ffffffffffffffda RBX: 000055aebb0bee00 RCX: 00007f99db53dbf2 [ 429.797904][ T27] RDX: 0000000000000047 RSI: 00007ffc9d9931c0 RDI: 0000000000000005 [ 429.805955][ T27] RBP: 00007ffc9d9931c0 R08: 0000000000000008 R09: 0000000000000036 [ 429.813956][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aeb9d81efc [ 429.821939][ T27] R13: 00007ffc9d9935f0 R14: 000055aebb152380 R15: 0000000000000001 [ 429.829959][ T27] [ 429.832990][ T27] INFO: task syz-executor244:4344 blocked for more than 143 seconds. [ 429.841056][ T27] Not tainted 5.15.149-syzkaller #0 [ 429.846763][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.855454][ T27] task:syz-executor244 state:D stack:26232 pid: 4344 ppid: 3519 flags:0x00004006 [ 429.864677][ T27] Call Trace: [ 429.867948][ T27] [ 429.870907][ T27] __schedule+0x12c4/0x45b0 [ 429.875414][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 429.881409][ T27] ? print_irqtrace_events+0x210/0x210 [ 429.886865][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 429.892122][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 429.898040][ T27] ? __sched_text_start+0x8/0x8 [ 429.902922][ T27] ? __might_sleep+0xc0/0xc0 [ 429.907508][ T27] ? stack_trace_snprint+0xe0/0xe0 [ 429.912723][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 429.918184][ T27] schedule+0x11b/0x1f0 [ 429.922355][ T27] wait_for_unix_gc+0x14e/0x210 [ 429.927197][ T27] ? bpf_iter_unix_seq_show+0x250/0x250 [ 429.932769][ T27] ? init_wait_entry+0xd0/0xd0 [ 429.937542][ T27] unix_stream_sendmsg+0xc3/0x1070 [ 429.942702][ T27] ? aa_sk_perm+0x8fc/0xa30 [ 429.947229][ T27] ? unix_show_fdinfo+0xa0/0xa0 [ 429.952257][ T27] ? aa_sock_msg_perm+0x91/0x150 [ 429.957208][ T27] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 429.962509][ T27] ? security_socket_sendmsg+0x7d/0xa0 [ 429.967962][ T27] ? unix_show_fdinfo+0xa0/0xa0 [ 429.972854][ T27] ____sys_sendmsg+0x59e/0x8f0 [ 429.977615][ T27] ? iovec_from_user+0x300/0x390 [ 429.982571][ T27] ? __sys_sendmsg_sock+0x30/0x30 [ 429.987611][ T27] ___sys_sendmsg+0x252/0x2e0 [ 429.992319][ T27] ? __sys_sendmsg+0x260/0x260 [ 429.997078][ T27] ? __lock_acquire+0x1295/0x1ff0 [ 430.002716][ T27] ? __context_tracking_enter+0x5f/0x90 [ 430.008260][ T27] ? __context_tracking_exit+0x4c/0x80 [ 430.013746][ T27] ? __fdget+0x158/0x220 [ 430.017989][ T27] __se_sys_sendmsg+0x19a/0x260 [ 430.022853][ T27] ? __x64_sys_sendmsg+0x80/0x80 [ 430.027796][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 430.033805][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 430.039017][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 430.044996][ T27] do_syscall_64+0x3d/0xb0 [ 430.049439][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 430.055326][ T27] RIP: 0033:0x7f1bf6094bb9 [ 430.059755][ T27] RSP: 002b:00007ffd147006f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.068168][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bf6094bb9 [ 430.076165][ T27] RDX: 000000000400c8c1 RSI: 0000000020000180 RDI: 0000000000000003 [ 430.084150][ T27] RBP: 0000000000023a34 R08: 0000000000000006 R09: 0000000000000006 [ 430.092149][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1470070c [ 430.100128][ T27] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 430.108591][ T27] [ 430.111613][ T27] [ 430.111613][ T27] Showing all locks held in the system: [ 430.119330][ T27] 1 lock held by khungtaskd/27: [ 430.124174][ T27] #0: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 430.133583][ T27] 1 lock held by dhcpcd/3178: [ 430.138252][ T27] 2 locks held by getty/3261: [ 430.142935][ T27] #0: ffff88814ae76098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 430.152819][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 430.163046][ T27] [ 430.165366][ T27] ============================================= [ 430.165366][ T27] [ 430.173788][ T27] NMI backtrace for cpu 0 [ 430.178100][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.149-syzkaller #0 [ 430.186067][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.196107][ T27] Call Trace: [ 430.199376][ T27] [ 430.202298][ T27] dump_stack_lvl+0x1e3/0x2cb [ 430.207029][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 430.212659][ T27] ? panic+0x84d/0x84d [ 430.216721][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 430.221849][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 430.226781][ T27] ? __wake_up_klogd+0xd5/0x100 [ 430.231631][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 430.237774][ T27] ? _printk+0xd1/0x111 [ 430.241920][ T27] ? panic+0x84d/0x84d [ 430.245977][ T27] ? __wake_up_klogd+0xcc/0x100 [ 430.250817][ T27] ? panic+0x84d/0x84d [ 430.254885][ T27] ? __rcu_read_unlock+0x92/0x100 [ 430.259949][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.266036][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 430.272016][ T27] watchdog+0xe72/0xeb0 [ 430.276171][ T27] kthread+0x3f6/0x4f0 [ 430.280248][ T27] ? hungtask_pm_notify+0x50/0x50 [ 430.285263][ T27] ? kthread_blkcg+0xd0/0xd0 [ 430.289843][ T27] ret_from_fork+0x1f/0x30 [ 430.294272][ T27] [ 430.297350][ T27] Sending NMI from CPU 0 to CPUs 1: [ 430.302562][ C1] NMI backtrace for cpu 1 [ 430.302570][ C1] CPU: 1 PID: 3178 Comm: dhcpcd Not tainted 5.15.149-syzkaller #0 [ 430.302584][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.302593][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x58/0x60 [ 430.302610][ C1] Code: 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 16 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 15 74 39 82 7e 65 8b [ 430.302621][ C1] RSP: 0018:ffffc90003217af8 EFLAGS: 00000293 [ 430.302633][ C1] RAX: ffffffff88f53321 RBX: ffff88807a153e58 RCX: ffff888023278000 [ 430.302644][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 430.302652][ C1] RBP: ffffc90003217c70 R08: ffffffff882d0af3 R09: ffffed1003941c6c [ 430.302662][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f42a7ee [ 430.302671][ C1] R13: ffffc90003217b60 R14: 0000000000000000 R15: ffffffff8dad5720 [ 430.302681][ C1] FS: 00007f99db473740(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 430.302693][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.302703][ C1] CR2: 0000555555f326f8 CR3: 000000001be62000 CR4: 00000000003506e0 [ 430.302715][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.302723][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.302731][ C1] Call Trace: [ 430.302736][ C1] [ 430.302741][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 430.302757][ C1] ? read_lock_is_recursive+0x10/0x10 [ 430.302772][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 430.302788][ C1] ? unknown_nmi_error+0xd0/0xd0 [ 430.302838][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 430.302852][ C1] ? nmi_handle+0xf7/0x370 [ 430.302866][ C1] ? __sanitizer_cov_trace_pc+0x58/0x60 [ 430.302880][ C1] ? default_do_nmi+0x62/0x150 [ 430.302895][ C1] ? exc_nmi+0xab/0x120 [ 430.302907][ C1] ? end_repeat_nmi+0x16/0x31 [ 430.302923][ C1] ? kfree_skb_reason+0x113/0x170 [ 430.302936][ C1] ? unix_gc+0x10f1/0x13b0 [ 430.302950][ C1] ? __sanitizer_cov_trace_pc+0x58/0x60 [ 430.302965][ C1] ? __sanitizer_cov_trace_pc+0x58/0x60 [ 430.302980][ C1] ? __sanitizer_cov_trace_pc+0x58/0x60 [ 430.302995][ C1] [ 430.302998][ C1] [ 430.303002][ C1] unix_gc+0x10f1/0x13b0 [ 430.303017][ C1] ? wait_for_unix_gc+0x210/0x210 [ 430.303034][ C1] ? kmem_cache_free+0x146/0x1f0 [ 430.303086][ C1] ? __sk_destruct+0x57f/0x840 [ 430.303102][ C1] unix_release_sock+0x91c/0xaa0 [ 430.303122][ C1] ? unix_stream_read_sock+0x90/0x90 [ 430.303138][ C1] ? down_write+0x10e/0x170 [ 430.303152][ C1] ? down_read_killable+0x350/0x350 [ 430.303167][ C1] unix_release+0x88/0xc0 [ 430.303183][ C1] sock_close+0xcd/0x230 [ 430.303196][ C1] ? sock_mmap+0x90/0x90 [ 430.303210][ C1] __fput+0x3bf/0x890 [ 430.303245][ C1] task_work_run+0x129/0x1a0 [ 430.303277][ C1] exit_to_user_mode_loop+0x106/0x130 [ 430.303292][ C1] exit_to_user_mode_prepare+0xb1/0x140 [ 430.303307][ C1] syscall_exit_to_user_mode+0x5d/0x250 [ 430.303322][ C1] do_syscall_64+0x49/0xb0 [ 430.303336][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 430.303353][ C1] RIP: 0033:0x7f99db53e0a8 [ 430.303367][ 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 [ 430.303377][ C1] RSP: 002b:00007ffc9d9734d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 430.303391][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f99db53e0a8 [ 430.303399][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000e [ 430.303407][ C1] RBP: 00007ffc9d993888 R08: 0000000000000007 R09: 13f6924a584b5975 [ 430.303416][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 000055aebb0dd630 [ 430.303425][ C1] R13: 00007ffc9d9836c8 R14: 0000000000000148 R15: 0000000000000004 [ 430.303440][ C1] [ 430.303613][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 430.693063][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.149-syzkaller #0 [ 430.701035][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.711075][ T27] Call Trace: [ 430.714346][ T27] [ 430.717267][ T27] dump_stack_lvl+0x1e3/0x2cb [ 430.721943][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 430.727567][ T27] ? panic+0x84d/0x84d [ 430.731639][ T27] panic+0x318/0x84d [ 430.735528][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 430.741150][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 430.747298][ T27] ? fb_is_primary_device+0xcc/0xcc [ 430.752484][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.758551][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 430.764697][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 430.770845][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 430.776989][ T27] watchdog+0xeb0/0xeb0 [ 430.781146][ T27] kthread+0x3f6/0x4f0 [ 430.785212][ T27] ? hungtask_pm_notify+0x50/0x50 [ 430.790243][ T27] ? kthread_blkcg+0xd0/0xd0 [ 430.794829][ T27] ret_from_fork+0x1f/0x30 [ 430.799254][ T27] [ 430.802408][ T27] Kernel Offset: disabled [ 430.806722][ T27] Rebooting in 86400 seconds..