Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts. [ 554.000426][ T3536] cgroup: Unknown subsys name 'net' [ 554.128307][ T3536] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 555.273328][ T3536] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS executing program [ 859.693164][ T27] INFO: task kworker/0:3:1281 blocked for more than 143 seconds. [ 859.700996][ T27] Not tainted 5.15.159-syzkaller #0 [ 859.707330][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.716192][ T27] task:kworker/0:3 state:D stack:25080 pid: 1281 ppid: 2 flags:0x00004000 [ 859.725603][ T27] Workqueue: ipv6_addrconf addrconf_verify_work [ 859.731935][ T27] Call Trace: [ 859.735538][ T27] [ 859.738474][ T27] __schedule+0x12c4/0x45b0 [ 859.743245][ T27] ? mark_lock+0x98/0x340 [ 859.747589][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 859.753798][ T27] ? release_firmware_map_entry+0x190/0x190 [ 859.759691][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 859.765335][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 859.770536][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 859.775946][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 859.781174][ T27] schedule+0x11b/0x1f0 [ 859.785555][ T27] schedule_preempt_disabled+0xf/0x20 [ 859.790926][ T27] __mutex_lock_common+0xe34/0x25a0 [ 859.796386][ T27] ? addrconf_verify_work+0xa/0x20 [ 859.801501][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 859.806890][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 859.812869][ T27] ? print_irqtrace_events+0x210/0x210 [ 859.818549][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 859.824625][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 859.829827][ T27] mutex_lock_nested+0x17/0x20 [ 859.835285][ T27] addrconf_verify_work+0xa/0x20 [ 859.840227][ T27] process_one_work+0x8a1/0x10c0 [ 859.845355][ T27] ? worker_detach_from_pool+0x260/0x260 [ 859.850991][ T27] ? _raw_spin_lock_irqsave+0x120/0x120 [ 859.856815][ T27] ? kthread_data+0x4e/0xc0 [ 859.861323][ T27] ? wq_worker_running+0x97/0x170 [ 859.866560][ T27] worker_thread+0xaca/0x1280 [ 859.871239][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 859.877381][ T27] kthread+0x3f6/0x4f0 [ 859.881448][ T27] ? rcu_lock_release+0x20/0x20 [ 859.886463][ T27] ? kthread_blkcg+0xd0/0xd0 [ 859.891056][ T27] ret_from_fork+0x1f/0x30 [ 859.895721][ T27] [ 859.898822][ T27] [ 859.898822][ T27] Showing all locks held in the system: [ 859.906783][ T27] 1 lock held by khungtaskd/27: [ 859.911629][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 859.921165][ T27] 3 locks held by kworker/0:3/1281: [ 859.926495][ T27] #0: ffff888023689d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 859.937630][ T27] #1: ffffc9000536fd20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 859.948100][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 [ 859.957696][ T27] 1 lock held by syslogd/2947: [ 859.962450][ T27] #0: ffff8880b9b3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 859.972615][ T27] 2 locks held by getty/3257: [ 859.977418][ T27] #0: ffff88807f068098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 859.987351][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 859.997608][ T27] 2 locks held by syz-executor357/3540: [ 860.003298][ T27] [ 860.005614][ T27] ============================================= [ 860.005614][ T27] [ 860.014351][ T27] NMI backtrace for cpu 0 [ 860.018675][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.159-syzkaller #0 [ 860.026640][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.036683][ T27] Call Trace: [ 860.039951][ T27] [ 860.042873][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.047547][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.053173][ T27] ? panic+0x860/0x860 [ 860.057242][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 860.062375][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 860.067307][ T27] ? __wake_up_klogd+0xd5/0x100 [ 860.072240][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 860.078385][ T27] ? _printk+0xd1/0x120 [ 860.082535][ T27] ? panic+0x860/0x860 [ 860.086597][ T27] ? __wake_up_klogd+0xcc/0x100 [ 860.091437][ T27] ? panic+0x860/0x860 [ 860.095499][ T27] ? __rcu_read_unlock+0x92/0x100 [ 860.100517][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.106621][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 860.112597][ T27] watchdog+0xe72/0xeb0 [ 860.116757][ T27] kthread+0x3f6/0x4f0 [ 860.120816][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.125831][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.130421][ T27] ret_from_fork+0x1f/0x30 [ 860.135108][ T27] [ 860.138177][ T27] Sending NMI from CPU 0 to CPUs 1: [ 860.143403][ C1] NMI backtrace for cpu 1 [ 860.143411][ C1] CPU: 1 PID: 3540 Comm: syz-executor357 Not tainted 5.15.159-syzkaller #0 [ 860.143426][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.143434][ C1] RIP: 0010:__lock_acquire+0x77a/0x1ff0 [ 860.143451][ C1] Code: 24 60 48 c7 c0 08 9b e4 8d 48 c1 e8 03 48 89 44 24 70 4c 89 ed 41 83 fc 31 0f 83 dd 01 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 <84> c0 0f 85 2d 01 00 00 41 8b 5d 00 81 e3 ff 1f 00 00 89 d8 c1 e8 [ 860.143462][ C1] RSP: 0018:ffffc9000115e480 EFLAGS: 00000806 [ 860.143474][ C1] RAX: 0000000000000000 RBX: 000000000000077a RCX: ffff888022353b80 [ 860.143484][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888022354654 [ 860.143493][ C1] RBP: ffff888022354690 R08: dffffc0000000000 R09: fffffbfff1f7f035 [ 860.143503][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 860.143512][ C1] R13: ffff888022354690 R14: 0000000000000000 R15: ffff888022354604 [ 860.143521][ C1] FS: 0000555556e95380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 860.143533][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.143543][ C1] CR2: 000055984e838600 CR3: 000000001a0e4000 CR4: 00000000003506e0 [ 860.143555][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.143563][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.143572][ C1] Call Trace: [ 860.143576][ C1] [ 860.143581][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 860.143596][ C1] ? read_lock_is_recursive+0x10/0x10 [ 860.143611][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 860.143630][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 860.143645][ C1] ? nmi_handle+0xf7/0x370 [ 860.143719][ C1] ? __lock_acquire+0x77a/0x1ff0 [ 860.143731][ C1] ? default_do_nmi+0x62/0x150 [ 860.143746][ C1] ? exc_nmi+0xa8/0x100 [ 860.143760][ C1] ? end_repeat_nmi+0x16/0x31 [ 860.143776][ C1] ? __lock_acquire+0x77a/0x1ff0 [ 860.143789][ C1] ? __lock_acquire+0x77a/0x1ff0 [ 860.143802][ C1] ? __lock_acquire+0x77a/0x1ff0 [ 860.143814][ C1] [ 860.143818][ C1] [ 860.143827][ C1] lock_acquire+0x1db/0x4f0 [ 860.143840][ C1] ? tcf_idr_check_alloc+0xa1/0x380 [ 860.143874][ C1] ? read_lock_is_recursive+0x10/0x10 [ 860.143888][ C1] ? __might_sleep+0xc0/0xc0 [ 860.143903][ C1] ? rcu_lock_release+0x20/0x20 [ 860.143917][ C1] ? tcf_idr_check_alloc+0x97/0x380 [ 860.143931][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 860.143944][ C1] __mutex_lock_common+0x1da/0x25a0 [ 860.143960][ C1] ? tcf_idr_check_alloc+0xa1/0x380 [ 860.143974][ C1] ? print_irqtrace_events+0x210/0x210 [ 860.143988][ C1] ? __mutex_unlock_slowpath+0x218/0x750 [ 860.144002][ C1] ? tcf_idr_check_alloc+0xa1/0x380 [ 860.144015][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 860.144029][ C1] ? mutex_lock_io_nested+0x60/0x60 [ 860.144046][ C1] ? tcf_idr_check_alloc+0xa1/0x380 [ 860.144060][ C1] ? radix_tree_lookup+0x234/0x280 [ 860.144075][ C1] mutex_lock_nested+0x17/0x20 [ 860.144088][ C1] tcf_idr_check_alloc+0xa1/0x380 [ 860.144103][ C1] tcf_police_init+0x294/0x17c0 [ 860.144121][ C1] ? netlink_rcv_skb+0x1cf/0x410 [ 860.144138][ C1] ? netlink_unicast+0x7b6/0x980 [ 860.144153][ C1] ? __se_sys_sendmsg+0x19a/0x260 [ 860.144184][ C1] ? tcf_police_search+0x40/0x40 [ 860.144204][ C1] ? tcf_action_init_1+0x226/0x7f0 [ 860.144217][ C1] ? nla_memcpy+0x56/0xb0 [ 860.144232][ C1] ? memcpy+0x3c/0x60 [ 860.144246][ C1] ? tcf_police_search+0x40/0x40 [ 860.144259][ C1] tcf_action_init_1+0x50f/0x7f0 [ 860.144275][ C1] ? tc_action_load_ops+0x550/0x550 [ 860.144288][ C1] ? read_lock_is_recursive+0x10/0x10 [ 860.144302][ C1] ? rcu_lock_release+0x5/0x20 [ 860.144322][ C1] tcf_action_init+0x2f3/0x750 [ 860.144338][ C1] ? tcf_action_init_1+0x7f0/0x7f0 [ 860.144369][ C1] ? apparmor_capable+0x12e/0x190 [ 860.144393][ C1] ? __nla_parse+0x3c/0x50 [ 860.144408][ C1] tc_ctl_action+0x49b/0xd00 [ 860.144424][ C1] ? tcf_free_cookie_rcu+0x40/0x40 [ 860.144438][ C1] ? read_lock_is_recursive+0x10/0x10 [ 860.144469][ C1] ? tcf_free_cookie_rcu+0x40/0x40 [ 860.144482][ C1] rtnetlink_rcv_msg+0x993/0xee0 [ 860.144498][ C1] ? reacquire_held_locks+0x660/0x660 [ 860.144514][ C1] ? rtnetlink_bind+0x80/0x80 [ 860.144528][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 860.144543][ C1] ? __kernel_text_address+0x94/0x100 [ 860.144559][ C1] ? unwind_get_return_address+0x49/0x80 [ 860.144579][ C1] ? reacquire_held_locks+0x660/0x660 [ 860.144592][ C1] ? arch_stack_walk+0xf3/0x140 [ 860.144612][ C1] ? mark_lock+0x98/0x340 [ 860.144626][ C1] ? mark_lock+0x98/0x340 [ 860.144639][ C1] ? __lock_acquire+0x1295/0x1ff0 [ 860.144661][ C1] netlink_rcv_skb+0x1cf/0x410 [ 860.144674][ C1] ? rtnetlink_bind+0x80/0x80 [ 860.144689][ C1] ? netlink_ack+0xb10/0xb10 [ 860.144706][ C1] netlink_unicast+0x7b6/0x980 [ 860.144724][ C1] ? netlink_detachskb+0x90/0x90 [ 860.144738][ C1] ? __virt_addr_valid+0x39e/0x450 [ 860.144766][ C1] ? 0xffffffff81000000 [ 860.144775][ C1] ? __check_object_size+0x300/0x410 [ 860.144791][ C1] ? bpf_lsm_netlink_send+0x5/0x10 [ 860.144805][ C1] netlink_sendmsg+0xa30/0xd60 [ 860.144822][ C1] ? netlink_getsockopt+0x5b0/0x5b0 [ 860.144835][ C1] ? aa_sock_msg_perm+0x91/0x150 [ 860.144850][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 860.144863][ C1] ? security_socket_sendmsg+0x7d/0xa0 [ 860.144876][ C1] ? netlink_getsockopt+0x5b0/0x5b0 [ 860.144889][ C1] ____sys_sendmsg+0x59e/0x8f0 [ 860.144904][ C1] ? iovec_from_user+0x300/0x390 [ 860.144921][ C1] ? __sys_sendmsg_sock+0x30/0x30 [ 860.144941][ C1] ___sys_sendmsg+0x252/0x2e0 [ 860.144957][ C1] ? __sys_sendmsg+0x260/0x260 [ 860.144972][ C1] ? __lock_acquire+0x1295/0x1ff0 [ 860.144994][ C1] ? __context_tracking_enter+0x5f/0x90 [ 860.145010][ C1] ? __context_tracking_exit+0x4c/0x80 [ 860.145025][ C1] ? __fdget+0x158/0x220 [ 860.145041][ C1] __se_sys_sendmsg+0x19a/0x260 [ 860.145056][ C1] ? __x64_sys_sendmsg+0x80/0x80 [ 860.145074][ C1] ? syscall_enter_from_user_mode+0x2e/0x240 [ 860.145089][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 860.145104][ C1] ? syscall_enter_from_user_mode+0x2e/0x240 [ 860.145125][ C1] do_syscall_64+0x3b/0xb0 [ 860.145138][ C1] ? clear_bhb_loop+0x15/0x70 [ 860.145151][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 860.145165][ C1] RIP: 0033:0x7ff4ebb77ea9 [ 860.145177][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 860.145187][ C1] RSP: 002b:00007ffea84a9148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 860.145201][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4ebb77ea9 [ 860.145210][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 860.145219][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffffffffffff [ 860.145227][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 860.145235][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 860.145248][ C1] [ 860.145253][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.850 msecs [ 860.146108][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 860.851329][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.159-syzkaller #0 [ 860.859300][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.869342][ T27] Call Trace: [ 860.872694][ T27] [ 860.875617][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.880293][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.885915][ T27] ? panic+0x860/0x860 [ 860.889985][ T27] panic+0x318/0x860 [ 860.893873][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 860.899498][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 860.905641][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 860.910830][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.916891][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 860.923035][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 860.929178][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 860.935325][ T27] watchdog+0xeb0/0xeb0 [ 860.939482][ T27] kthread+0x3f6/0x4f0 [ 860.943538][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.948553][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.953138][ T27] ret_from_fork+0x1f/0x30 [ 860.957557][ T27] [ 860.960752][ T27] Kernel Offset: disabled [ 860.965077][ T27] Rebooting in 86400 seconds..