Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts. executing program executing program [ 414.949662][ T5092] tipc: Started in network mode [ 414.954733][ T5092] tipc: Node identity , cluster identity 4711 [ 414.960868][ T5092] tipc: Failed to obtain node identity [ 414.966443][ T5092] tipc: Enabling of bearer rejected, failed to enable media [ 414.976126][ T5092] tipc: Started in network mode [ 414.981104][ T5092] tipc: Node identity 7f000001, cluster identity 4711 [ 414.990364][ T5092] tipc: Enabled bearer , priority 10 [ 415.004866][ T5093] tipc: Enabled bearer , priority 10 [ 415.012486][ T5093] tipc: Enabling of bearer rejected, already enabled [ 416.028980][ T8] tipc: Node number set to 2130706433 [ 573.528223][ T29] INFO: task kworker/1:2:781 blocked for more than 143 seconds. [ 573.536015][ T29] Not tainted 6.7.0-rc6-syzkaller-00194-g8afe6f0e0e25 #0 [ 573.558341][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.567051][ T29] task:kworker/1:2 state:D stack:27312 pid:781 tgid:781 ppid:2 flags:0x00004000 [ 573.598188][ T29] Workqueue: ipv6_addrconf addrconf_verify_work [ 573.604638][ T29] Call Trace: [ 573.607940][ T29] [ 573.618200][ T29] __schedule+0xedb/0x5af0 [ 573.622762][ T29] ? print_usage_bug.part.0+0x550/0x550 [ 573.638222][ T29] ? io_schedule_timeout+0x150/0x150 [ 573.643657][ T29] ? schedule+0x1fc/0x270 [ 573.648022][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 573.678197][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 573.683542][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 573.698222][ T29] schedule+0xe9/0x270 [ 573.702357][ T29] schedule_preempt_disabled+0x13/0x20 [ 573.707868][ T29] __mutex_lock+0x5b9/0x9d0 [ 573.728249][ T29] ? addrconf_verify_work+0x12/0x30 [ 573.733794][ T29] ? mutex_trylock+0x130/0x130 [ 573.748220][ T29] ? lock_sync+0x190/0x190 [ 573.752730][ T29] ? addrconf_verify_work+0x12/0x30 [ 573.757996][ T29] ? rtnl_lock+0x9/0x20 [ 573.778192][ T29] addrconf_verify_work+0x12/0x30 [ 573.783378][ T29] process_one_work+0x886/0x15d0 [ 573.798209][ T29] ? lock_sync+0x190/0x190 [ 573.802688][ T29] ? workqueue_congested+0x300/0x300 [ 573.808021][ T29] ? assign_work+0x1a0/0x250 [ 573.812730][ T29] worker_thread+0x8b9/0x1290 [ 573.817969][ T29] ? __kthread_parkme+0x14b/0x220 [ 573.823122][ T29] ? process_one_work+0x15d0/0x15d0 [ 573.828814][ T29] kthread+0x2c6/0x3a0 [ 573.832925][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 573.838208][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 573.843876][ T29] ret_from_fork+0x45/0x80 [ 573.848745][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 573.854507][ T29] ret_from_fork_asm+0x11/0x20 [ 573.859535][ T29] [ 573.862949][ T29] [ 573.862949][ T29] Showing all locks held in the system: [ 573.871158][ T29] 3 locks held by kworker/0:0/8: [ 573.876139][ T29] 1 lock held by khungtaskd/29: [ 573.881689][ T29] #0: ffffffff8cfab760 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 573.891987][ T29] 3 locks held by kworker/1:2/781: [ 573.897135][ T29] #0: ffff8880259e3138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 [ 573.908877][ T29] #1: ffffc90003a3fd80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 [ 573.922656][ T29] #2: ffffffff8eaacde8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x12/0x30 [ 573.932614][ T29] 2 locks held by getty/4825: [ 573.937311][ T29] #0: ffff88814aea30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 573.958790][ T29] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 [ 573.978196][ T29] 3 locks held by syz-executor337/5093: [ 573.983869][ T29] [ 573.986201][ T29] ============================================= [ 573.986201][ T29] [ 574.008206][ T29] NMI backtrace for cpu 1 [ 574.012565][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-00194-g8afe6f0e0e25 #0 [ 574.022411][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 574.032486][ T29] Call Trace: [ 574.035832][ T29] [ 574.038773][ T29] dump_stack_lvl+0xd9/0x1b0 [ 574.043464][ T29] nmi_cpu_backtrace+0x277/0x390 [ 574.048434][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 574.053672][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 574.059765][ T29] watchdog+0xf87/0x1210 [ 574.064066][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 574.070079][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 574.075350][ T29] ? __kthread_parkme+0x14b/0x220 [ 574.080488][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 574.086494][ T29] kthread+0x2c6/0x3a0 [ 574.090588][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 574.095807][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 574.101556][ T29] ret_from_fork+0x45/0x80 [ 574.105994][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 574.111649][ T29] ret_from_fork_asm+0x11/0x20 [ 574.116485][ T29] [ 574.119620][ T29] Sending NMI from CPU 1 to CPUs 0: [ 574.124850][ C0] NMI backtrace for cpu 0 [ 574.124860][ C0] CPU: 0 PID: 5093 Comm: syz-executor337 Not tainted 6.7.0-rc6-syzkaller-00194-g8afe6f0e0e25 #0 [ 574.124883][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 574.124894][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x19/0x60 [ 574.124925][ C0] Code: ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 65 8b 05 e4 4a 7c 7e a9 00 01 ff 00 <48> 8b 34 24 74 0f f6 c4 01 74 35 8b 82 fc 15 00 00 85 c0 74 2b 8b [ 574.124944][ C0] RSP: 0018:ffffc90003a1f360 EFLAGS: 00000246 [ 574.124960][ C0] RAX: 0000000080000000 RBX: ffff888026036058 RCX: ffffffff8a214c20 [ 574.124974][ C0] RDX: ffff888022c99dc0 RSI: ffffffff8a214bd7 RDI: 0000000000000005 [ 574.124988][ C0] RBP: ffff88802a118488 R08: 0000000000000005 R09: 0000000000000000 [ 574.125001][ C0] R10: 00000000fffffff8 R11: 0000000000000000 R12: ffffc90003a1f3c0 [ 574.125015][ C0] R13: ffff888026036098 R14: dffffc0000000000 R15: ffff888026036090 [ 574.125029][ C0] FS: 0000555555a6d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 574.125050][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 574.125065][ C0] CR2: 00007fbfc2299580 CR3: 0000000029df7000 CR4: 00000000003506f0 [ 574.125078][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 574.125090][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 574.125103][ C0] Call Trace: [ 574.125111][ C0] [ 574.125118][ C0] ? show_regs+0x8f/0xa0 [ 574.125144][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 574.125172][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 574.125202][ C0] ? nmi_handle+0x1a6/0x570 [ 574.125229][ C0] ? __sanitizer_cov_trace_pc+0x19/0x60 [ 574.125255][ C0] ? default_do_nmi+0x6a/0x160 [ 574.125285][ C0] ? exc_nmi+0x186/0x200 [ 574.125312][ C0] ? end_repeat_nmi+0xf/0x2a [ 574.125420][ C0] ? tipc_udp_is_known_peer+0x110/0x250 [ 574.125477][ C0] ? tipc_udp_is_known_peer+0xc7/0x250 [ 574.125501][ C0] ? __sanitizer_cov_trace_pc+0x19/0x60 [ 574.125527][ C0] ? __sanitizer_cov_trace_pc+0x19/0x60 [ 574.125554][ C0] ? __sanitizer_cov_trace_pc+0x19/0x60 [ 574.125580][ C0] [ 574.125585][ C0] [ 574.125591][ C0] tipc_udp_is_known_peer+0xf5/0x250 [ 574.125618][ C0] tipc_udp_nl_bearer_add+0x20f/0x2f0 [ 574.125644][ C0] ? tipc_udp_nl_add_bearer_data+0x4d0/0x4d0 [ 574.125679][ C0] tipc_nl_bearer_add+0x21b/0x360 [ 574.125737][ C0] ? tipc_nl_bearer_enable+0x30/0x30 [ 574.125765][ C0] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1aa/0x280 [ 574.125823][ C0] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b4/0x280 [ 574.125851][ C0] genl_family_rcv_msg_doit+0x1fc/0x2e0 [ 574.125875][ C0] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 574.125906][ C0] ? __radix_tree_lookup+0x21f/0x2c0 [ 574.125934][ C0] genl_rcv_msg+0x561/0x800 [ 574.125958][ C0] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 574.125980][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 574.126013][ C0] ? tipc_nl_bearer_enable+0x30/0x30 [ 574.126038][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 574.126074][ C0] netlink_rcv_skb+0x16b/0x440 [ 574.126094][ C0] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 574.126118][ C0] ? netlink_ack+0x1380/0x1380 [ 574.126147][ C0] ? down_read+0xc9/0x330 [ 574.126171][ C0] ? rwsem_down_read_slowpath+0xb20/0xb20 [ 574.126193][ C0] ? netlink_deliver_tap+0x1a0/0xd00 [ 574.126241][ C0] ? _copy_from_iter+0x2c1/0x10f0 [ 574.126326][ C0] genl_rcv+0x28/0x40 [ 574.126345][ C0] netlink_unicast+0x53b/0x810 [ 574.126366][ C0] ? netlink_attachskb+0x880/0x880 [ 574.126385][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 574.126411][ C0] ? __phys_addr_symbol+0x30/0x70 [ 574.126437][ C0] ? __check_object_size+0x323/0x730 [ 574.126477][ C0] netlink_sendmsg+0x93c/0xe40 [ 574.126500][ C0] ? netlink_unicast+0x810/0x810 [ 574.126523][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 574.126557][ C0] ? netlink_unicast+0x810/0x810 [ 574.126577][ C0] __sock_sendmsg+0xd5/0x180 [ 574.126627][ C0] ____sys_sendmsg+0x6ac/0x940 [ 574.126653][ C0] ? copy_msghdr_from_user+0x10b/0x160 [ 574.126689][ C0] ? kernel_sendmsg+0x50/0x50 [ 574.126722][ C0] ___sys_sendmsg+0x135/0x1d0 [ 574.126751][ C0] ? __lock_acquire+0xc65/0x3b20 [ 574.126782][ C0] ? do_recvmmsg+0x740/0x740 [ 574.126827][ C0] ? __fget_light+0x1fc/0x260 [ 574.126851][ C0] __sys_sendmsg+0x117/0x1e0 [ 574.126880][ C0] ? __sys_sendmsg_sock+0x30/0x30 [ 574.126910][ C0] ? fd_install+0x243/0x750 [ 574.126936][ C0] ? syscall_enter_from_user_mode+0x7f/0x120 [ 574.126961][ C0] do_syscall_64+0x40/0x110 [ 574.126987][ C0] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 574.127009][ C0] RIP: 0033:0x7fc59ace6e19 [ 574.127031][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 [ 574.127049][ C0] RSP: 002b:00007fff9abcf948 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 574.127068][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc59ace6e19 [ 574.127082][ C0] RDX: 0000000000000000 RSI: 0000000020000f00 RDI: 0000000000000005 [ 574.127095][ C0] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 574.127107][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 574.127119][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 574.127140][ C0] [ 574.127147][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.297 msecs [ 574.131370][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 574.131383][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc6-syzkaller-00194-g8afe6f0e0e25 #0 [ 574.131408][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 574.131421][ T29] Call Trace: [ 574.131428][ T29] [ 574.131436][ T29] dump_stack_lvl+0xd9/0x1b0 [ 574.131471][ T29] panic+0x6dc/0x790 [ 574.131502][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 574.131532][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 574.131572][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 574.131603][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 574.131638][ T29] ? watchdog+0xd3e/0x1210 [ 574.131665][ T29] ? watchdog+0xd31/0x1210 [ 574.131695][ T29] watchdog+0xd4f/0x1210 [ 574.131728][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 574.131756][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 574.131794][ T29] ? __kthread_parkme+0x14b/0x220 [ 574.131827][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 574.131856][ T29] kthread+0x2c6/0x3a0 [ 574.131882][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 574.131908][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 574.131938][ T29] ret_from_fork+0x45/0x80 [ 574.131966][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 574.131995][ T29] ret_from_fork_asm+0x11/0x20 [ 574.132039][ T29] [ 574.132778][ T29] Kernel Offset: disabled [ 574.804922][ T29] Rebooting in 86400 seconds..