DUID 00:04:b5:83:26:17:e0:27:12:d6:a5:87:80:2d:51:b0:dc:e4
forked to background, child pid 3188
[ 25.949266][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0
[ 25.962174][ T3189] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.206057][ T14] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts.
executing program
[ 859.564199][ T29] INFO: task kworker/1:1:27 blocked for more than 143 seconds.
[ 859.571848][ T29] Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 859.579654][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.588447][ T29] task:kworker/1:1 state:D stack:27856 pid: 27 ppid: 2 flags:0x00004000
[ 859.597823][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 859.604243][ T29] Call Trace:
[ 859.607537][ T29] <TASK>
[ 859.610465][ T29] __schedule+0xa00/0x4b50
[ 859.615088][ T29] ? find_held_lock+0x2d/0x110
[ 859.619901][ T29] ? wq_worker_sleeping+0x1e5/0x250
[ 859.625238][ T29] ? mark_held_locks+0x9f/0xe0
[ 859.630038][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 859.635103][ T29] ? io_schedule_timeout+0x140/0x140
[ 859.640417][ T29] ? lockdep_hardirqs_on+0x79/0x100
[ 859.645727][ T29] schedule+0xd2/0x1f0
[ 859.649823][ T29] schedule_preempt_disabled+0xf/0x20
[ 859.655318][ T29] __mutex_lock+0xa70/0x1350
[ 859.659937][ T29] ? addrconf_verify_work+0xe/0x20
[ 859.665177][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 859.670753][ T29] ? lock_release+0x780/0x780
[ 859.675601][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 859.681656][ T29] addrconf_verify_work+0xe/0x20
[ 859.686758][ T29] process_one_work+0x996/0x1610
[ 859.691740][ T29] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 859.697258][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 859.702230][ T29] ? _raw_spin_lock_irq+0x41/0x50
[ 859.707479][ T29] worker_thread+0x665/0x1080
[ 859.712232][ T29] ? __kthread_parkme+0x15f/0x220
[ 859.717444][ T29] ? process_one_work+0x1610/0x1610
[ 859.722675][ T29] kthread+0x2e9/0x3a0
[ 859.726936][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 859.732599][ T29] ret_from_fork+0x1f/0x30
[ 859.737230][ T29] </TASK>
[ 859.740360][ T29]
[ 859.740360][ T29] Showing all locks held in the system:
[ 859.748196][ T29] 3 locks held by kworker/1:1/27:
[ 859.753244][ T29] #0: ffff888025faed38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610
[ 859.764410][ T29] #1: ffffc90000a2fda8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610
[ 859.777606][ T29] #2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20
[ 859.787152][ T29] 1 lock held by khungtaskd/29:
[ 859.792014][ T29] #0: ffffffff8bd86ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 859.802384][ T29] 2 locks held by getty/3291:
[ 859.807433][ T29] #0: ffff88814aaeb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 859.817467][ T29] #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0
[ 859.827766][ T29] 1 lock held by syz-executor267/3653:
[ 859.833244][ T29] 2 locks held by kworker/1:2/3654:
[ 859.838514][ T29] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610
[ 859.848963][ T29] #1: ffffc900031afda8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610
[ 859.860479][ T29] 2 locks held by dhcpcd/3666:
[ 859.865323][ T29] #0: ffff8880224ac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0
[ 859.875163][ T29] #1: ffffffff8bd90ea0 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4f8/0x610
[ 859.886240][ T29]
[ 859.888644][ T29] =============================================
[ 859.888644][ T29]
[ 859.897249][ T29] NMI backtrace for cpu 0
[ 859.901579][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 859.911467][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 859.921511][ T29] Call Trace:
[ 859.924795][ T29] <TASK>
[ 859.927735][ T29] dump_stack_lvl+0xcd/0x134
[ 859.932376][ T29] nmi_cpu_backtrace.cold+0x47/0x144
[ 859.937655][ T29] ? lapic_can_unplug_cpu+0x80/0x80
[ 859.942863][ T29] nmi_trigger_cpumask_backtrace+0x1e6/0x230
[ 859.948891][ T29] watchdog+0xc22/0xf90
[ 859.953069][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 859.959131][ T29] kthread+0x2e9/0x3a0
[ 859.963211][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 859.968854][ T29] ret_from_fork+0x1f/0x30
[ 859.973302][ T29] </TASK>
[ 859.976491][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 859.981731][ C1] NMI backtrace for cpu 1
[ 859.981741][ C1] CPU: 1 PID: 42 Comm: kworker/u4:2 Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 859.981762][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 859.981772][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 859.981797][ C1] RIP: 0010:memcpy_erms+0x8/0x10
[ 859.981821][ C1] Code: cc cc eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 f3 a4 <c3> 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c 35
[ 859.981839][ C1] RSP: 0018:ffffc90000b379d0 EFLAGS: 00000002
[ 859.981852][ C1] RAX: 00002aaaaaaab870 RBX: ffffffff8dbbb98c RCX: 0000000000000000
[ 859.981865][ C1] RDX: 0000000000000004 RSI: ffffffff8f29267f RDI: 00002aaaaaaab874
[ 859.981877][ C1] RBP: ffff88813fe4c558 R08: 0000000000000001 R09: 00002aaaaaaab874
[ 859.981889][ C1] R10: fffffbfff1e524cf R11: 0000000000000001 R12: ffffffff81c6d870
[ 859.981901][ C1] R13: 0000000000000004 R14: 0000000000000874 R15: ffffffff8bec6940
[ 859.981913][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 859.981929][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 859.981942][ C1] CR2: 0000563b2b066600 CR3: 00000001400fc000 CR4: 00000000003506e0
[ 859.981954][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 859.981965][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 859.981977][ C1] Call Trace:
[ 859.981981][ C1] <TASK>
[ 859.981987][ C1] __text_poke+0x497/0x8e0
[ 859.982010][ C1] ? cpumask_weight+0x40/0x40
[ 859.982035][ C1] ? text_poke_memset+0x60/0x60
[ 859.982059][ C1] ? kmem_cache_alloc_trace+0x120/0x3f0
[ 859.982084][ C1] text_poke_bp_batch+0x382/0x6c0
[ 859.982110][ C1] ? do_sync_core+0x20/0x20
[ 859.982135][ C1] ? __jump_label_update+0x351/0x400
[ 859.982155][ C1] text_poke_finish+0x16/0x30
[ 859.982172][ C1] arch_jump_label_transform_apply+0x13/0x20
[ 859.982195][ C1] jump_label_update+0x32f/0x410
[ 859.982215][ C1] static_key_enable_cpuslocked+0x1b1/0x260
[ 859.982235][ C1] static_key_enable+0x16/0x20
[ 859.982252][ C1] toggle_allocation_gate+0x100/0x390
[ 859.982272][ C1] ? lock_release+0x780/0x780
[ 859.982296][ C1] ? wake_up_kfence_timer+0x20/0x20
[ 859.982316][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 859.982341][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 859.982370][ C1] process_one_work+0x996/0x1610
[ 859.982394][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 859.982416][ C1] ? rwlock_bug.part.0+0x90/0x90
[ 859.982434][ C1] ? _raw_spin_lock_irq+0x41/0x50
[ 859.982457][ C1] worker_thread+0x665/0x1080
[ 859.982482][ C1] ? process_one_work+0x1610/0x1610
[ 859.982503][ C1] kthread+0x2e9/0x3a0
[ 859.982519][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 859.982539][ C1] ret_from_fork+0x1f/0x30
[ 859.982566][ C1] </TASK>
[ 859.982767][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 860.271248][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 860.281144][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 860.291197][ T29] Call Trace:
[ 860.294474][ T29] <TASK>
[ 860.297408][ T29] dump_stack_lvl+0xcd/0x134
[ 860.302014][ T29] panic+0x2d7/0x64a
[ 860.305913][ T29] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 860.311905][ T29] ? lapic_can_unplug_cpu+0x80/0x80
[ 860.317109][ T29] ? preempt_schedule_thunk+0x16/0x18
[ 860.322489][ T29] ? watchdog.cold+0x5/0x143
[ 860.327120][ T29] watchdog.cold+0x16/0x143
[ 860.331649][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 860.337645][ T29] kthread+0x2e9/0x3a0
[ 860.341718][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 860.347358][ T29] ret_from_fork+0x1f/0x30
[ 860.351808][ T29] </TASK>
[ 860.355118][ T29] Kernel Offset: disabled
[ 860.359453][ T29] Rebooting in 86400 seconds..