Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts.
executing program
[ 716.320611][ T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[ 716.328229][ T27] Not tainted 5.15.160-syzkaller #0
[ 716.334321][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.343173][ T27] task:kworker/0:0 state:D stack:24184 pid: 7 ppid: 2 flags:0x00004000
[ 716.352566][ T27] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.358927][ T27] Call Trace:
[ 716.362411][ T27]
[ 716.365344][ T27] __schedule+0x12c4/0x45b0
[ 716.369868][ T27] ? mark_lock+0x98/0x340
[ 716.374449][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.380581][ T27] ? release_firmware_map_entry+0x190/0x190
[ 716.386475][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.392115][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.397317][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.402702][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.407906][ T27] schedule+0x11b/0x1f0
[ 716.412231][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.417601][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.423027][ T27] ? addrconf_verify_work+0xa/0x20
[ 716.428147][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.433553][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.439534][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.445203][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.451269][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.456478][ T27] mutex_lock_nested+0x17/0x20
[ 716.461479][ T27] addrconf_verify_work+0xa/0x20
[ 716.466428][ T27] process_one_work+0x8a1/0x10c0
[ 716.471582][ T27] ? worker_detach_from_pool+0x260/0x260
[ 716.477230][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.483739][ T27] ? kthread_data+0x4e/0xc0
[ 716.488255][ T27] ? wq_worker_running+0x97/0x170
[ 716.493460][ T27] worker_thread+0xaca/0x1280
[ 716.498164][ T27] kthread+0x3f6/0x4f0
[ 716.502452][ T27] ? rcu_lock_release+0x20/0x20
[ 716.507302][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.512076][ T27] ret_from_fork+0x1f/0x30
[ 716.516508][ T27]
[ 716.519703][ T27]
[ 716.519703][ T27] Showing all locks held in the system:
[ 716.527732][ T27] 3 locks held by kworker/0:0/7:
[ 716.532830][ T27] #0: ffff888023c59538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 716.543980][ T27] #1: ffffc90000cc7d20 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 716.554403][ T27] #2: ffffffff8d9e7e48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20
[ 716.563962][ T27] 1 lock held by khungtaskd/27:
[ 716.568802][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.578329][ T27] 2 locks held by syslogd/2946:
[ 716.583340][ T27] 2 locks held by getty/3268:
[ 716.588008][ T27] #0: ffff888024f70098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.597979][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.608271][ T27] 2 locks held by syz-executor226/3536:
[ 716.613942][ T27]
[ 716.616258][ T27] =============================================
[ 716.616258][ T27]
[ 716.624906][ T27] NMI backtrace for cpu 0
[ 716.629237][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 716.637202][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.647244][ T27] Call Trace:
[ 716.650512][ T27]
[ 716.653432][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 716.658105][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 716.663733][ T27] ? panic+0x860/0x860
[ 716.667796][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 716.672901][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 716.677831][ T27] ? __wake_up_klogd+0xd5/0x100
[ 716.682680][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.688822][ T27] ? _printk+0xd1/0x120
[ 716.692972][ T27] ? panic+0x860/0x860
[ 716.697031][ T27] ? __wake_up_klogd+0xcc/0x100
[ 716.701876][ T27] ? panic+0x860/0x860
[ 716.705939][ T27] ? __rcu_read_unlock+0x92/0x100
[ 716.710957][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.717018][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 716.723000][ T27] watchdog+0xe72/0xeb0
[ 716.727160][ T27] kthread+0x3f6/0x4f0
[ 716.731219][ T27] ? hungtask_pm_notify+0x50/0x50
[ 716.736236][ T27] ? kthread_blkcg+0xd0/0xd0
[ 716.740820][ T27] ret_from_fork+0x1f/0x30
[ 716.745241][ T27]
[ 716.748352][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 716.753584][ C1] NMI backtrace for cpu 1
[ 716.753592][ C1] CPU: 1 PID: 3536 Comm: syz-executor226 Not tainted 5.15.160-syzkaller #0
[ 716.753607][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 716.753615][ C1] RIP: 0010:__lock_acquire+0x12b2/0x1ff0
[ 716.753632][ C1] Code: 08 8b 54 24 2c 48 89 e9 e8 8b 9f 00 00 31 f6 85 c0 0f 84 a8 02 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 44 24 60 80 3c 10 00 <48> 8b 5c 24 58 74 12 48 89 df e8 bf 66 67 00 48 ba 00 00 00 00 00
[ 716.753643][ C1] RSP: 0018:ffffc90003296480 EFLAGS: 00000046
[ 716.753656][ C1] RAX: 1ffff11004240514 RBX: ffffffff8f93aec0 RCX: ffffffff81636502
[ 716.753667][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8fbf8188
[ 716.753677][ C1] RBP: 83e8343fbcdf6e0b R08: dffffc0000000000 R09: fffffbfff1f7f032
[ 716.753687][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
[ 716.753696][ C1] R13: ffff8880212028a8 R14: ffff888021201dc0 R15: ffff8880212028f8
[ 716.753706][ C1] FS: 00005555561ff380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 716.753718][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.753728][ C1] CR2: 00007ffedda7a008 CR3: 0000000078e5e000 CR4: 00000000003506e0
[ 716.753741][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.753748][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.753757][ C1] Call Trace:
[ 716.753762][ C1]
[ 716.753766][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 716.753781][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.753800][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 716.753821][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.753835][ C1] ? nmi_handle+0xf7/0x370
[ 716.753849][ C1] ? __lock_acquire+0x12b2/0x1ff0
[ 716.753862][ C1] ? default_do_nmi+0x62/0x150
[ 716.753877][ C1] ? exc_nmi+0xa8/0x100
[ 716.753890][ C1] ? end_repeat_nmi+0x16/0x31
[ 716.753906][ C1] ? validate_chain+0x112/0x5930
[ 716.753921][ C1] ? __lock_acquire+0x12b2/0x1ff0
[ 716.753934][ C1] ? __lock_acquire+0x12b2/0x1ff0
[ 716.753947][ C1] ? __lock_acquire+0x12b2/0x1ff0
[ 716.753960][ C1]
[ 716.753964][ C1]
[ 716.753973][ C1] lock_acquire+0x1db/0x4f0
[ 716.753986][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.754003][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.754017][ C1] ? __might_sleep+0xc0/0xc0
[ 716.754032][ C1] ? rcu_lock_release+0x20/0x20
[ 716.754047][ C1] ? tcf_idr_check_alloc+0x97/0x380
[ 716.754059][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 716.754074][ C1] ? __lock_acquire+0x1ff0/0x1ff0
[ 716.754087][ C1] __mutex_lock_common+0x1da/0x25a0
[ 716.754103][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.754119][ C1] ? __mutex_unlock_slowpath+0x218/0x750
[ 716.754133][ C1] ? tcf_idr_check_alloc+0xa1/0x380
[ 716.754146][ C1] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 716.754160][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 716.754176][ C1] ? __sanitizer_cov_trace_const_cmp1+0x30/0x80
[ 716.754193][ C1] ? radix_tree_lookup+0x234/0x280
[ 716.754207][ C1] mutex_lock_nested+0x17/0x20
[ 716.754221][ C1] tcf_idr_check_alloc+0xa1/0x380
[ 716.754236][ C1] tcf_police_init+0x294/0x17c0
[ 716.754250][ C1] ? netlink_rcv_skb+0x1cf/0x410
[ 716.754262][ C1] ? netlink_unicast+0x7b6/0x980
[ 716.754277][ C1] ? __se_sys_sendmsg+0x19a/0x260
[ 716.754296][ C1] ? tcf_police_search+0x40/0x40
[ 716.754317][ C1] ? tcf_action_init_1+0x226/0x7f0
[ 716.754330][ C1] ? nla_memcpy+0x56/0xb0
[ 716.754344][ C1] ? memcpy+0x3c/0x60
[ 716.754358][ C1] ? tcf_police_search+0x40/0x40
[ 716.754371][ C1] tcf_action_init_1+0x50f/0x7f0
[ 716.754388][ C1] ? tc_action_load_ops+0x550/0x550
[ 716.754402][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.754415][ C1] ? rcu_lock_release+0x5/0x20
[ 716.754435][ C1] tcf_action_init+0x2f3/0x750
[ 716.754451][ C1] ? tcf_action_init_1+0x7f0/0x7f0
[ 716.754473][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.754496][ C1] ? apparmor_capable+0x12e/0x190
[ 716.754512][ C1] ? __nla_parse+0x3c/0x50
[ 716.754527][ C1] tc_ctl_action+0x49b/0xd00
[ 716.754544][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.754557][ C1] ? read_lock_is_recursive+0x10/0x10
[ 716.754589][ C1] ? tcf_free_cookie_rcu+0x40/0x40
[ 716.754603][ C1] rtnetlink_rcv_msg+0x993/0xee0
[ 716.754619][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.754635][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.754650][ C1] ? stack_trace_save+0x1c0/0x1c0
[ 716.754664][ C1] ? __kernel_text_address+0x94/0x100
[ 716.754681][ C1] ? unwind_get_return_address+0x49/0x80
[ 716.754696][ C1] ? reacquire_held_locks+0x660/0x660
[ 716.754709][ C1] ? arch_stack_walk+0xf3/0x140
[ 716.754725][ C1] ? mark_lock+0x98/0x340
[ 716.754740][ C1] ? mark_lock+0x98/0x340
[ 716.754753][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.754775][ C1] netlink_rcv_skb+0x1cf/0x410
[ 716.754793][ C1] ? rtnetlink_bind+0x80/0x80
[ 716.754808][ C1] ? netlink_ack+0xb10/0xb10
[ 716.754825][ C1] netlink_unicast+0x7b6/0x980
[ 716.754843][ C1] ? netlink_detachskb+0x90/0x90
[ 716.754858][ C1] ? __virt_addr_valid+0x39e/0x450
[ 716.754871][ C1] ? 0xffffffff81000000
[ 716.754881][ C1] ? __check_object_size+0x300/0x410
[ 716.754897][ C1] ? bpf_lsm_netlink_send+0x5/0x10
[ 716.754911][ C1] netlink_sendmsg+0xa30/0xd60
[ 716.754928][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.754941][ C1] ? aa_sock_msg_perm+0x91/0x150
[ 716.754957][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 716.754969][ C1] ? security_socket_sendmsg+0x7d/0xa0
[ 716.754982][ C1] ? netlink_getsockopt+0x5b0/0x5b0
[ 716.754996][ C1] ____sys_sendmsg+0x59e/0x8f0
[ 716.755010][ C1] ? iovec_from_user+0x300/0x390
[ 716.755028][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 716.755048][ C1] ___sys_sendmsg+0x252/0x2e0
[ 716.755065][ C1] ? __sys_sendmsg+0x260/0x260
[ 716.755081][ C1] ? __lock_acquire+0x1295/0x1ff0
[ 716.755103][ C1] ? __context_tracking_enter+0x5f/0x90
[ 716.755119][ C1] ? __context_tracking_exit+0x4c/0x80
[ 716.755135][ C1] ? __fdget+0x158/0x220
[ 716.755151][ C1] __se_sys_sendmsg+0x19a/0x260
[ 716.755171][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 716.755189][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.755204][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 716.755219][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 716.755236][ C1] do_syscall_64+0x3b/0xb0
[ 716.755249][ C1] ? clear_bhb_loop+0x15/0x70
[ 716.755261][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 716.755275][ C1] RIP: 0033:0x7fa4d5d83df9
[ 716.755288][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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
[ 716.755298][ C1] RSP: 002b:00007fffe5cb6068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 716.755312][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4d5d83df9
[ 716.755321][ C1] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 716.755329][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 716.755337][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 716.755346][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 716.755358][ C1]
[ 716.755364][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.780 msecs
[ 716.760884][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.476876][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0
[ 717.484846][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 717.494887][ T27] Call Trace:
[ 717.498156][ T27]
[ 717.501076][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 717.505754][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 717.511380][ T27] ? panic+0x860/0x860
[ 717.515451][ T27] panic+0x318/0x860
[ 717.519337][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.524961][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.531113][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 717.536306][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.542367][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.548620][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.554788][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.560948][ T27] watchdog+0xeb0/0xeb0
[ 717.565119][ T27] kthread+0x3f6/0x4f0
[ 717.569185][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.574205][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.578796][ T27] ret_from_fork+0x1f/0x30
[ 717.583220][ T27]
[ 717.586333][ T27] Kernel Offset: disabled
[ 717.590677][ T27] Rebooting in 86400 seconds..