DUID 00:04:b5:83:26:17:e0:27:12:d6:a5:87:80:2d:51:b0:dc:e4
forked to background, child pid 3192
[ 26.194237][ T3193] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.196602][ T3193] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.239367][ T1137] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
[ 716.237518][ T29] INFO: task kworker/0:3:146 blocked for more than 143 seconds.
[ 716.245299][ T29] Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 716.253109][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.262013][ T29] task:kworker/0:3 state:D stack:24688 pid: 146 ppid: 2 flags:0x00004000
[ 716.271425][ T29] Workqueue: ipv6_addrconf addrconf_verify_work
[ 716.277851][ T29] Call Trace:
[ 716.281184][ T29]
[ 716.284134][ T29] __schedule+0xa00/0x4b50
[ 716.288738][ T29] ? find_held_lock+0x2d/0x110
[ 716.293541][ T29] ? wq_worker_sleeping+0x1e5/0x250
[ 716.298834][ T29] ? mark_held_locks+0x9f/0xe0
[ 716.303626][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 716.308664][ T29] ? io_schedule_timeout+0x140/0x140
[ 716.313976][ T29] ? lockdep_hardirqs_on+0x79/0x100
[ 716.319247][ T29] schedule+0xd2/0x1f0
[ 716.323338][ T29] schedule_preempt_disabled+0xf/0x20
[ 716.328810][ T29] __mutex_lock+0xa70/0x1350
[ 716.333432][ T29] ? addrconf_verify_work+0xe/0x20
[ 716.338612][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 716.344178][ T29] ? lock_release+0x780/0x780
[ 716.348948][ T29] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 716.354956][ T29] addrconf_verify_work+0xe/0x20
[ 716.359969][ T29] process_one_work+0x996/0x1610
[ 716.364946][ T29] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 716.370435][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 716.375398][ T29] ? _raw_spin_lock_irq+0x41/0x50
[ 716.380805][ T29] worker_thread+0x665/0x1080
[ 716.385514][ T29] ? __kthread_parkme+0x15f/0x220
[ 716.390615][ T29] ? process_one_work+0x1610/0x1610
[ 716.395847][ T29] kthread+0x2e9/0x3a0
[ 716.400076][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 716.405727][ T29] ret_from_fork+0x1f/0x30
[ 716.410244][ T29]
[ 716.413364][ T29] INFO: task syz-executor288:3656 blocked for more than 143 seconds.
[ 716.421534][ T29] Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 716.429260][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.437998][ T29] task:syz-executor288 state:D stack:28032 pid: 3656 ppid: 3650 flags:0x00000004
[ 716.447230][ T29] Call Trace:
[ 716.450591][ T29]
[ 716.453619][ T29] __schedule+0xa00/0x4b50
[ 716.458142][ T29] ? io_schedule_timeout+0x140/0x140
[ 716.463480][ T29] schedule+0xd2/0x1f0
[ 716.467651][ T29] schedule_preempt_disabled+0xf/0x20
[ 716.473057][ T29] __mutex_lock+0xa70/0x1350
[ 716.477753][ T29] ? tun_chr_close+0x3a/0x180
[ 716.482528][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 716.488166][ T29] ? fcntl_setlk+0xcf0/0xcf0
[ 716.492777][ T29] tun_chr_close+0x3a/0x180
[ 716.497288][ T29] __fput+0x277/0x9d0
[ 716.501336][ T29] ? __tun_detach+0x1440/0x1440
[ 716.506221][ T29] task_work_run+0xdd/0x1a0
[ 716.510835][ T29] exit_to_user_mode_prepare+0x23c/0x250
[ 716.516496][ T29] syscall_exit_to_user_mode+0x19/0x50
[ 716.522104][ T29] do_syscall_64+0x42/0xb0
[ 716.526584][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 716.532586][ T29] RIP: 0033:0x7f246d567623
[ 716.537024][ T29] RSP: 002b:00007ffe3a9ad298 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 716.545532][ T29] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f246d567623
[ 716.553620][ T29] RDX: 0000000020000080 RSI: 00000000400454d9 RDI: 0000000000000003
[ 716.561669][ T29] RBP: 0000000000000000 R08: 00007f246d612e40 R09: 00007f246d612e40
[ 716.569746][ T29] R10: 00007f246d612e40 R11: 0000000000000246 R12: 00007ffe3a9ad2d0
[ 716.577789][ T29] R13: 00007ffe3a9ad2c0 R14: 00007ffe3a9ad2b0 R15: 0000000000000000
[ 716.585818][ T29]
[ 716.588946][ T29] INFO: task syz-executor288:3657 blocked for more than 143 seconds.
[ 716.597022][ T29] Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 716.604730][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.613449][ T29] task:syz-executor288 state:D stack:27400 pid: 3657 ppid: 3651 flags:0x00004004
[ 716.622750][ T29] Call Trace:
[ 716.626051][ T29]
[ 716.629061][ T29] __schedule+0xa00/0x4b50
[ 716.633513][ T29] ? io_schedule_timeout+0x140/0x140
[ 716.639024][ T29] schedule+0xd2/0x1f0
[ 716.643130][ T29] schedule_preempt_disabled+0xf/0x20
[ 716.648626][ T29] __mutex_lock+0xa70/0x1350
[ 716.653243][ T29] ? __tun_chr_ioctl+0x64f/0x3da0
[ 716.658363][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 716.663933][ T29] __tun_chr_ioctl+0x64f/0x3da0
[ 716.668880][ T29] ? tun_chr_read_iter+0x270/0x270
[ 716.674024][ T29] ? __context_tracking_exit+0xb8/0xe0
[ 716.679562][ T29] ? amd_pmu_init+0xa46/0xd71
[ 716.684283][ T29] ? bpf_lsm_file_ioctl+0x5/0x10
[ 716.689319][ T29] ? tun_chr_compat_ioctl+0x30/0x30
[ 716.694547][ T29] __x64_sys_ioctl+0x193/0x200
[ 716.699389][ T29] do_syscall_64+0x35/0xb0
[ 716.703998][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 716.709993][ T29] RIP: 0033:0x7f246d5a51d9
[ 716.714426][ T29] RSP: 002b:00007ffe3a9ad298 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.722953][ T29] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f246d5a51d9
[ 716.731022][ T29] RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
[ 716.739061][ T29] RBP: 0000000000000000 R08: 00007f246d612e40 R09: 00007f246d612e40
[ 716.747048][ T29] R10: 00007ffe3a9acd10 R11: 0000000000000246 R12: 00007ffe3a9ad2d0
[ 716.755098][ T29] R13: 00007ffe3a9ad2c0 R14: 00007ffe3a9ad2b0 R15: 0000000000000000
[ 716.763156][ T29]
[ 716.766201][ T29] INFO: task syz-executor288:3658 blocked for more than 143 seconds.
[ 716.774349][ T29] Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 716.782026][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.790778][ T29] task:syz-executor288 state:D stack:28032 pid: 3658 ppid: 3653 flags:0x00000004
[ 716.800179][ T29] Call Trace:
[ 716.803520][ T29]
[ 716.806480][ T29] __schedule+0xa00/0x4b50
[ 716.811009][ T29] ? __mutex_lock+0xa6b/0x1350
[ 716.815789][ T29] ? io_schedule_timeout+0x140/0x140
[ 716.821167][ T29] schedule+0xd2/0x1f0
[ 716.825271][ T29] schedule_preempt_disabled+0xf/0x20
[ 716.830736][ T29] __mutex_lock+0xa70/0x1350
[ 716.835348][ T29] ? __tun_chr_ioctl+0x64f/0x3da0
[ 716.840474][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 716.846047][ T29] __tun_chr_ioctl+0x64f/0x3da0
[ 716.850973][ T29] ? tun_chr_read_iter+0x270/0x270
[ 716.856109][ T29] ? __context_tracking_exit+0xb8/0xe0
[ 716.861664][ T29] ? amd_pmu_init+0xa46/0xd71
[ 716.866386][ T29] ? bpf_lsm_file_ioctl+0x5/0x10
[ 716.871427][ T29] ? tun_chr_compat_ioctl+0x30/0x30
[ 716.876656][ T29] __x64_sys_ioctl+0x193/0x200
[ 716.881538][ T29] do_syscall_64+0x35/0xb0
[ 716.885986][ T29] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 716.891961][ T29] RIP: 0033:0x7f246d5a51d9
[ 716.896400][ T29] RSP: 002b:00007ffe3a9ad298 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.904923][ T29] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f246d5a51d9
[ 716.913190][ T29] RDX: 0000000020000040 RSI: 00000000400454ca RDI: 0000000000000003
[ 716.921246][ T29] RBP: 0000000000000000 R08: 00007f246d612e40 R09: 00007f246d612e40
[ 716.929325][ T29] R10: 00007ffe3a9acd10 R11: 0000000000000246 R12: 00007ffe3a9ad2d0
[ 716.937322][ T29] R13: 00007ffe3a9ad2c0 R14: 00007ffe3a9ad2b0 R15: 0000000000000000
[ 716.945387][ T29]
[ 716.948578][ T29]
[ 716.948578][ T29] Showing all locks held in the system:
[ 716.956304][ T29] 1 lock held by khungtaskd/29:
[ 716.961351][ T29] #0: ffffffff8bd86ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 716.971362][ T29] 3 locks held by kworker/0:3/146:
[ 716.976487][ T29] #0: ffff888025fe4138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610
[ 716.987574][ T29] #1: ffffc90002a17da8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610
[ 717.000731][ T29] #2: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20
[ 717.010264][ T29] 1 lock held by klogd/2971:
[ 717.014932][ T29] #0: ffff8880b9a39ed8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120
[ 717.024983][ T29] 2 locks held by getty/3297:
[ 717.029691][ T29] #0: ffff88801fdad098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 717.039644][ T29] #1: ffffc90002d0e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0
[ 717.049894][ T29] 2 locks held by syz-executor288/3646:
[ 717.055455][ T29] #0: ffffffff8d57b110 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2f5/0x760
[ 717.065056][ T29] #1: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50
[ 717.074283][ T29] 2 locks held by syz-executor288/3654:
[ 717.079920][ T29] #0: ffffffff8d57b110 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x2f5/0x760
[ 717.089454][ T29] #1: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: register_netdev+0x11/0x50
[ 717.098603][ T29] 1 lock held by syz-executor288/3655:
[ 717.098632][ T29] 1 lock held by syz-executor288/3656:
[ 717.109617][ T29] #0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3a/0x180
[ 717.118679][ T29] 1 lock held by syz-executor288/3657:
[ 717.124168][ T29] #0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x64f/0x3da0
[ 717.133580][ T29] 1 lock held by syz-executor288/3658:
[ 717.139105][ T29] #0: ffffffff8d58e828 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x64f/0x3da0
[ 717.148528][ T29]
[ 717.150865][ T29] =============================================
[ 717.150865][ T29]
[ 717.159375][ T29] NMI backtrace for cpu 1
[ 717.163712][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 717.173592][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 717.183670][ T29] Call Trace:
[ 717.186958][ T29]
[ 717.189885][ T29] dump_stack_lvl+0xcd/0x134
[ 717.194519][ T29] nmi_cpu_backtrace.cold+0x47/0x144
[ 717.199810][ T29] ? lapic_can_unplug_cpu+0x80/0x80
[ 717.205022][ T29] nmi_trigger_cpumask_backtrace+0x1e6/0x230
[ 717.211077][ T29] watchdog+0xc22/0xf90
[ 717.215231][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 717.221213][ T29] kthread+0x2e9/0x3a0
[ 717.225310][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 717.230983][ T29] ret_from_fork+0x1f/0x30
[ 717.235451][ T29]
[ 717.238602][ T29] Sending NMI from CPU 1 to CPUs 0:
[ 717.243862][ C0] NMI backtrace for cpu 0
[ 717.243872][ C0] CPU: 0 PID: 3655 Comm: syz-executor288 Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 717.243893][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 717.243903][ C0] RIP: 0010:native_apic_mem_write+0x8/0x10
[ 717.243931][ C0] Code: 00 00 be 01 00 00 00 e9 86 79 2e 00 66 0f 1f 44 00 00 b8 01 00 00 00 c3 cc cc cc cc cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48
[ 717.243949][ C0] RSP: 0018:ffffc90003357a78 EFLAGS: 00000046
[ 717.243964][ C0] RAX: dffffc0000000000 RBX: ffffffff8b7fbae0 RCX: 0000000000000020
[ 717.243977][ C0] RDX: 1ffffffff16ff75e RSI: 0000000000002f56 RDI: 0000000000000380
[ 717.243989][ C0] RBP: ffff8880b9a27200 R08: 0000000000000005 R09: 000000000000003f
[ 717.244000][ C0] R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000002f56
[ 717.244012][ C0] R13: 0000000000000020 R14: ffff8880b9a2a500 R15: 0000000000000000
[ 717.244024][ C0] FS: 0000555556e27300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 717.244040][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.244058][ C0] CR2: 000056432f5aea28 CR3: 0000000072654000 CR4: 00000000003506f0
[ 717.244071][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.244082][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.244094][ C0] Call Trace:
[ 717.244098][ C0]
[ 717.244104][ C0] lapic_next_event+0x4d/0x80
[ 717.244129][ C0] clockevents_program_event+0x254/0x370
[ 717.244153][ C0] tick_program_event+0xac/0x140
[ 717.244176][ C0] hrtimer_reprogram+0x38c/0x440
[ 717.244199][ C0] hrtimer_start_range_ns+0x7af/0xa80
[ 717.244229][ C0] schedule_hrtimeout_range_clock+0x183/0x390
[ 717.244252][ C0] ? hrtimer_nanosleep_restart+0x170/0x170
[ 717.244272][ C0] ? mark_held_locks+0x9f/0xe0
[ 717.244296][ C0] ? hrtimer_init_sleeper_on_stack+0x90/0x90
[ 717.244317][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 717.244337][ C0] ? ktime_get+0x38a/0x470
[ 717.244355][ C0] ? ktime_get+0x30b/0x470
[ 717.244377][ C0] usleep_range_state+0x129/0x1b0
[ 717.244397][ C0] ? console_conditional_schedule+0x50/0x50
[ 717.244419][ C0] ? usleep_range_state+0x143/0x1b0
[ 717.244440][ C0] napi_disable+0xff/0x120
[ 717.244461][ C0] __tun_detach+0x165/0x1440
[ 717.244484][ C0] tun_chr_close+0xc4/0x180
[ 717.244502][ C0] __fput+0x277/0x9d0
[ 717.244519][ C0] ? __tun_detach+0x1440/0x1440
[ 717.244539][ C0] task_work_run+0xdd/0x1a0
[ 717.244563][ C0] exit_to_user_mode_prepare+0x23c/0x250
[ 717.244583][ C0] syscall_exit_to_user_mode+0x19/0x50
[ 717.244603][ C0] do_syscall_64+0x42/0xb0
[ 717.244626][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 717.244648][ C0] RIP: 0033:0x7f246d567623
[ 717.244663][ C0] Code: c7 c2 c0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8
[ 717.244680][ C0] RSP: 002b:00007ffe3a9ad298 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 717.244697][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f246d567623
[ 717.244709][ C0] RDX: 0000000020000080 RSI: 00000000400454d9 RDI: 0000000000000003
[ 717.244720][ C0] RBP: 0000000000000000 R08: 00007f246d612e40 R09: 00007f246d612e40
[ 717.244732][ C0] R10: 00007f246d612e40 R11: 0000000000000246 R12: 00007ffe3a9ad2d0
[ 717.244744][ C0] R13: 00007ffe3a9ad2c0 R14: 00007ffe3a9ad2b0 R15: 0000000000000000
[ 717.244762][ C0]
[ 717.244854][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.594657][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 5.19.0-rc3-syzkaller-00167-ge65af5403e46 #0
[ 717.604553][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 717.614605][ T29] Call Trace:
[ 717.617890][ T29]
[ 717.620822][ T29] dump_stack_lvl+0xcd/0x134
[ 717.625427][ T29] panic+0x2d7/0x64a
[ 717.629330][ T29] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 717.635323][ T29] ? irq_work_claim+0x76/0x90
[ 717.640008][ T29] ? lapic_can_unplug_cpu+0x80/0x80
[ 717.645215][ T29] ? irq_work_queue+0x29/0x80
[ 717.649978][ T29] ? __wake_up_klogd.part.0+0x99/0xf0
[ 717.655385][ T29] ? watchdog.cold+0x5/0x143
[ 717.660021][ T29] watchdog.cold+0x16/0x143
[ 717.664540][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 717.670530][ T29] kthread+0x2e9/0x3a0
[ 717.674602][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 717.680242][ T29] ret_from_fork+0x1f/0x30
[ 717.684686][ T29]
[ 717.687991][ T29] Kernel Offset: disabled
[ 717.692323][ T29] Rebooting in 86400 seconds..