Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. executing program [ 429.623563][ T28] INFO: task dhcpcd:3216 blocked for more than 143 seconds. [ 429.630987][ T28] Not tainted 6.1.78-syzkaller #0 [ 429.636935][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.645637][ T28] task:dhcpcd state:D stack:25008 pid:3216 ppid:1 flags:0x00004002 [ 429.654879][ T28] Call Trace: [ 429.658164][ T28] [ 429.661110][ T28] __schedule+0x142d/0x4550 [ 429.665786][ T28] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 429.671722][ T28] ? release_firmware_map_entry+0x18a/0x18a [ 429.677670][ T28] ? prepare_to_wait_event+0x3b5/0x3f0 [ 429.683212][ T28] schedule+0xbf/0x180 [ 429.687331][ T28] wait_for_unix_gc+0x14c/0x210 [ 429.692239][ T28] ? bpf_iter_unix_realloc_batch+0x340/0x340 [ 429.698252][ T28] ? wake_bit_function+0x210/0x210 [ 429.703487][ T28] ? __might_sleep+0xb0/0xb0 [ 429.708100][ T28] unix_dgram_sendmsg+0x113/0x2050 [ 429.713230][ T28] ? aa_sk_perm+0x92d/0xa60 [ 429.717836][ T28] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.722783][ T28] ? aa_file_perm+0x12c/0xf60 [ 429.727517][ T28] ? reacquire_held_locks+0x660/0x660 [ 429.732937][ T28] ? __lock_acquire+0x125b/0x1f80 [ 429.738041][ T28] ? aa_sock_msg_perm+0x91/0x150 [ 429.743032][ T28] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 429.748458][ T28] ? security_socket_sendmsg+0x7d/0xa0 [ 429.754033][ T28] ? unix_dgram_poll+0x6c0/0x6c0 [ 429.759017][ T28] sock_write_iter+0x394/0x4e0 [ 429.763918][ T28] ? sock_read_iter+0x4b0/0x4b0 [ 429.768805][ T28] ? common_file_perm+0x17d/0x1d0 [ 429.773903][ T28] ? fsnotify_perm+0x67/0x590 [ 429.778609][ T28] vfs_write+0x7ae/0xba0 [ 429.782964][ T28] ? file_end_write+0x250/0x250 [ 429.787886][ T28] ? __fdget_pos+0x1db/0x360 [ 429.792546][ T28] ksys_write+0x19c/0x2c0 [ 429.796935][ T28] ? __ia32_sys_read+0x80/0x80 [ 429.801742][ T28] ? syscall_enter_from_user_mode+0xd4/0x220 [ 429.807853][ T28] do_syscall_64+0x3d/0xb0 [ 429.812305][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 429.818248][ T28] RIP: 0033:0x7f43b8d51bf2 [ 429.822693][ T28] RSP: 002b:00007ffd2058d978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 429.831162][ T28] RAX: ffffffffffffffda RBX: 000055731ef8ab10 RCX: 00007f43b8d51bf2 [ 429.839171][ T28] RDX: 0000000000000047 RSI: 00007ffd2058d990 RDI: 0000000000000005 [ 429.847176][ T28] RBP: 00007ffd2058d990 R08: 0000000000000008 R09: 0000000000000036 [ 429.855181][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 000055731d219efc [ 429.863181][ T28] R13: 00007ffd2058ddc0 R14: 000055731efcce50 R15: 0000000000000001 [ 429.871235][ T28] [ 429.874309][ T28] [ 429.874309][ T28] Showing all locks held in the system: [ 429.882030][ T28] 2 locks held by kworker/u4:1/11: [ 429.887173][ T28] #0: ffff888012479138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 [ 429.898387][ T28] #1: ffffc90000107d20 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 [ 429.910652][ T28] 1 lock held by rcu_tasks_kthre/12: [ 429.915998][ T28] #0: ffffffff8d12a910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 429.926578][ T28] 1 lock held by rcu_tasks_trace/13: [ 429.931874][ T28] #0: ffffffff8d12b110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 429.942928][ T28] 1 lock held by khungtaskd/28: [ 429.947901][ T28] #0: ffffffff8d12a740 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 429.957948][ T28] 2 locks held by getty/3305: [ 429.962628][ T28] #0: ffff88814bd68098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 429.972543][ T28] #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 [ 429.982698][ T28] 1 lock held by syz-executor273/3560: [ 429.988201][ T28] [ 429.990526][ T28] ============================================= [ 429.990526][ T28] [ 429.999192][ T28] NMI backtrace for cpu 1 [ 430.003528][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.78-syzkaller #0 [ 430.011353][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.021428][ T28] Call Trace: [ 430.024735][ T28] [ 430.027680][ T28] dump_stack_lvl+0x1e3/0x2cb [ 430.032376][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 430.037852][ T28] ? panic+0x75d/0x75d [ 430.041926][ T28] ? vprintk_emit+0x622/0x740 [ 430.046643][ T28] ? printk_sprint+0x490/0x490 [ 430.051413][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 430.056549][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 430.061497][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 430.067653][ T28] ? _printk+0xd1/0x111 [ 430.071811][ T28] ? panic+0x75d/0x75d [ 430.075879][ T28] ? __wake_up_klogd+0xcc/0x100 [ 430.080732][ T28] ? panic+0x75d/0x75d [ 430.084804][ T28] ? nmi_trigger_cpumask_backtrace+0xe2/0x3f0 [ 430.090877][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 430.097015][ T28] nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 [ 430.103002][ T28] watchdog+0xf88/0xfd0 [ 430.107320][ T28] ? watchdog+0x1f8/0xfd0 [ 430.111675][ T28] kthread+0x28d/0x320 [ 430.115843][ T28] ? hungtask_pm_notify+0x50/0x50 [ 430.120896][ T28] ? kthread_blkcg+0xd0/0xd0 [ 430.125506][ T28] ret_from_fork+0x1f/0x30 [ 430.130024][ T28] [ 430.133097][ T28] Sending NMI from CPU 1 to CPUs 0: [ 430.138340][ C0] NMI backtrace for cpu 0 [ 430.138354][ C0] CPU: 0 PID: 3560 Comm: syz-executor273 Not tainted 6.1.78-syzkaller #0 [ 430.138369][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.138377][ C0] RIP: 0010:unix_gc+0x1097/0x13e0 [ 430.138397][ C0] Code: 1d 1e 8a f6 04 49 c7 c7 a0 36 39 8e 4c 39 fb 0f 84 aa 00 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 2f 3e 9f f8 4c 8b 23 48 81 c3 20 01 00 00 49 89 [ 430.138408][ C0] RSP: 0018:ffffc90003a7f8e0 EFLAGS: 00000246 [ 430.138435][ C0] RAX: 1ffff1100e72c4ca RBX: ffff888073962650 RCX: dffffc0000000000 [ 430.138446][ C0] RDX: 0000000000000000 RSI: ffffffff8aebecc0 RDI: ffffffff8b3d0e80 [ 430.138456][ C0] RBP: ffffc90003a7fa50 R08: dffffc0000000000 R09: fffffbfff2092258 [ 430.138467][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888073962650 [ 430.138477][ C0] R13: 1ffff1100e72c4ee R14: 0000000000000000 R15: ffffffff8e3936a0 [ 430.138487][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 430.138499][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.138509][ C0] CR2: 0000559f2fa2d000 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 430.138522][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.138530][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.138539][ C0] Call Trace: [ 430.138546][ C0] [ 430.138552][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 430.138574][ C0] ? read_lock_is_recursive+0x10/0x10 [ 430.138596][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 430.138617][ C0] ? nmi_handle+0x25/0x440 [ 430.138701][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 430.138723][ C0] ? nmi_handle+0x12e/0x440 [ 430.138742][ C0] ? nmi_handle+0x25/0x440 [ 430.138763][ C0] ? unix_gc+0x1097/0x13e0 [ 430.138777][ C0] ? default_do_nmi+0x62/0x150 [ 430.138799][ C0] ? exc_nmi+0xab/0x120 [ 430.138818][ C0] ? end_repeat_nmi+0x16/0x31 [ 430.138843][ C0] ? unix_gc+0x1097/0x13e0 [ 430.138858][ C0] ? unix_gc+0x1097/0x13e0 [ 430.138875][ C0] ? unix_gc+0x1097/0x13e0 [ 430.138890][ C0] [ 430.138894][ C0] [ 430.138902][ C0] ? wait_for_unix_gc+0x210/0x210 [ 430.138927][ C0] ? skb_dequeue+0x10f/0x140 [ 430.138950][ C0] unix_release_sock+0xab8/0xcf0 [ 430.138968][ C0] ? unix_stream_read_skb+0x1d0/0x1d0 [ 430.138984][ C0] ? clear_nonspinnable+0x60/0x60 [ 430.139002][ C0] ? __might_sleep+0xb0/0xb0 [ 430.139019][ C0] unix_release+0x88/0xc0 [ 430.139034][ C0] sock_close+0xcd/0x230 [ 430.139048][ C0] ? sock_mmap+0x90/0x90 [ 430.139061][ C0] __fput+0x3b7/0x890 [ 430.139083][ C0] task_work_run+0x246/0x300 [ 430.139104][ C0] ? task_work_cancel+0x2b0/0x2b0 [ 430.139124][ C0] ? exit_task_namespaces+0xdd/0xf0 [ 430.139141][ C0] do_exit+0xa73/0x26a0 [ 430.139200][ C0] ? put_task_struct+0x80/0x80 [ 430.139219][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 430.139240][ C0] ? print_irqtrace_events+0x210/0x210 [ 430.139262][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 430.139278][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 430.139294][ C0] do_group_exit+0x202/0x2b0 [ 430.139316][ C0] __x64_sys_exit_group+0x3b/0x40 [ 430.139334][ C0] do_syscall_64+0x3d/0xb0 [ 430.139359][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 430.139378][ C0] RIP: 0033:0x7f4be47eac49 [ 430.139389][ C0] Code: Unable to access opcode bytes at 0x7f4be47eac1f. [ 430.139395][ C0] RSP: 002b:00007fff28d8b1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 430.139409][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4be47eac49 [ 430.139419][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 430.139427][ C0] RBP: 00007f4be48652b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 430.139437][ C0] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f4be48652b0 [ 430.139446][ C0] R13: 0000000000000000 R14: 00007f4be4865d00 R15: 00007f4be47bbe80 [ 430.139462][ C0] [ 430.139468][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.128 msecs [ 430.140337][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 430.541837][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.78-syzkaller #0 [ 430.549679][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 430.559732][ T28] Call Trace: [ 430.563017][ T28] [ 430.565955][ T28] dump_stack_lvl+0x1e3/0x2cb [ 430.570654][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 430.576205][ T28] ? panic+0x75d/0x75d [ 430.580280][ T28] ? llist_add_batch+0x160/0x1d0 [ 430.585301][ T28] ? vscnprintf+0x59/0x80 [ 430.589633][ T28] panic+0x318/0x75d [ 430.593536][ T28] ? nmi_trigger_cpumask_backtrace+0x2c1/0x3f0 [ 430.599789][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 430.605176][ T28] ? nmi_trigger_cpumask_backtrace+0x2ca/0x3f0 [ 430.611337][ T28] watchdog+0xfc7/0xfd0 [ 430.615504][ T28] ? watchdog+0x1f8/0xfd0 [ 430.619844][ T28] kthread+0x28d/0x320 [ 430.623921][ T28] ? hungtask_pm_notify+0x50/0x50 [ 430.628947][ T28] ? kthread_blkcg+0xd0/0xd0 [ 430.633546][ T28] ret_from_fork+0x1f/0x30 [ 430.637981][ T28] [ 430.641196][ T28] Kernel Offset: disabled [ 430.645511][ T28] Rebooting in 86400 seconds..