forked to background, child pid [ 21.672544][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0
3176
no interfaces have a carrier
[ 21.689892][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.247338][ T141] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts.
executing program
[ 716.246729][ T28] INFO: task syz-executor123:3634 blocked for more than 143 seconds.
[ 716.254825][ T28] Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
[ 716.265388][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.274351][ T28] task:syz-executor123 state:D stack:28160 pid: 3634 ppid: 3633 flags:0x00000004
[ 716.283772][ T28] Call Trace:
[ 716.287209][ T28]
[ 716.290146][ T28] __schedule+0xa94/0x4910
[ 716.294735][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.300007][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 716.305869][ T28] ? _raw_spin_unlock_irqrestore+0x3d/0x70
[ 716.311970][ T28] ? io_schedule_timeout+0x140/0x140
[ 716.317566][ T28] schedule+0xd2/0x1f0
[ 716.321654][ T28] schedule_timeout+0x1db/0x2a0
[ 716.326817][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.332029][ T28] ? __wait_for_common+0x2a6/0x360
[ 716.337415][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 716.342291][ T28] ? do_raw_spin_lock+0x120/0x2a0
[ 716.347572][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.352530][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.357957][ T28] ? trace_hardirqs_on+0x5b/0x1c0
[ 716.363050][ T28] __wait_for_common+0x2af/0x360
[ 716.368392][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.373606][ T28] ? io_wq_put_and_exit+0x47c/0xe40
[ 716.379544][ T28] ? bit_wait_io_timeout+0x160/0x160
[ 716.384839][ T28] ? _flat_send_IPI_mask+0x53/0x60
[ 716.390292][ T28] io_wq_put_and_exit+0x4d6/0xe40
[ 716.395336][ T28] ? io_wq_exit_start+0x20/0x20
[ 716.400439][ T28] io_uring_cancel_generic+0x60b/0x695
[ 716.405976][ T28] ? io_uring_setup.cold+0x26c5/0x26c5
[ 716.411787][ T28] ? lock_release+0x522/0x720
[ 716.417667][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.422612][ T28] ? do_exit+0x187/0x29d0
[ 716.427229][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 716.432089][ T28] ? finish_wait+0x270/0x270
[ 716.436937][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.442156][ T28] ? do_raw_spin_unlock+0x171/0x230
[ 716.447635][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 716.453942][ T28] ? io_uring_unreg_ringfd+0xe5/0x140
[ 716.459585][ T28] do_exit+0x4f9/0x29d0
[ 716.463860][ T28] ? lock_release+0x522/0x720
[ 716.468801][ T28] ? do_group_exit+0x202/0x2f0
[ 716.473660][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 716.478790][ T28] ? mm_update_next_owner+0x7a0/0x7a0
[ 716.484178][ T28] ? signal_wake_up_state+0x4e/0x60
[ 716.489857][ T28] do_group_exit+0xd2/0x2f0
[ 716.494373][ T28] __x64_sys_exit_group+0x3a/0x50
[ 716.500056][ T28] do_syscall_64+0x35/0xb0
[ 716.504509][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 716.510726][ T28] RIP: 0033:0x7fa616b7dbd9
[ 716.515144][ T28] RSP: 002b:00007ffd0ba19358 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 716.523786][ T28] RAX: ffffffffffffffda RBX: 00007fa616bf2350 RCX: 00007fa616b7dbd9
[ 716.531966][ T28] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 716.540092][ T28] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
[ 716.548279][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa616bf2350
[ 716.556434][ T28] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 716.564666][ T28]
[ 716.567871][ T28] INFO: lockdep is turned off.
[ 716.572621][ T28] NMI backtrace for cpu 1
[ 716.576940][ T28] CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
[ 716.587871][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.597923][ T28] Call Trace:
[ 716.601195][ T28]
[ 716.604118][ T28] dump_stack_lvl+0xcd/0x134
[ 716.608882][ T28] nmi_cpu_backtrace.cold+0x47/0x144
[ 716.614172][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 716.619373][ T28] nmi_trigger_cpumask_backtrace+0x1e6/0x230
[ 716.625413][ T28] watchdog+0xc1d/0xf50
[ 716.629580][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 716.635568][ T28] kthread+0x2e9/0x3a0
[ 716.639675][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.645342][ T28] ret_from_fork+0x1f/0x30
[ 716.649782][ T28]
[ 716.652879][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 716.658101][ C0] NMI backtrace for cpu 0
[ 716.658112][ C0] CPU: 0 PID: 3635 Comm: iou-wrk-3634 Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
[ 716.658137][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.658150][ C0] RIP: 0010:__ldsem_down_read_nested+0x32/0x850
[ 716.658225][ C0] Code: ff df 41 57 41 56 41 89 f6 41 55 41 54 49 89 fc 55 4d 8d 7c 24 70 48 89 d5 53 48 81 ec c8 00 00 00 48 c7 44 24 28 b3 8a b5 41 <4c> 8d 6c 24 28 48 c7 44 24 30 c8 4d 47 8b 49 c1 ed 03 48 c7 44 24
[ 716.658246][ C0] RSP: 0018:ffffc9000115f718 EFLAGS: 00000296
[ 716.658263][ C0] RAX: dffffc0000000000 RBX: ffff88814a2bd000 RCX: 0000000000000000
[ 716.658277][ C0] RDX: 7fffffffffffffff RSI: 0000000000000000 RDI: ffff88814a2bd028
[ 716.658292][ C0] RBP: 7fffffffffffffff R08: 0000000000000000 R09: 0000000000000000
[ 716.658305][ C0] R10: ffffffff843a08bd R11: 0000000000000000 R12: ffff88814a2bd028
[ 716.658319][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88814a2bd098
[ 716.658333][ C0] FS: 000055555665d300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 716.658355][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.658371][ C0] CR2: 000055555665d2c0 CR3: 0000000072dfd000 CR4: 00000000003506f0
[ 716.658384][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.658397][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.658411][ C0] Call Trace:
[ 716.658416][ C0]
[ 716.658422][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 716.658451][ C0] ? aa_file_perm+0x595/0x1230
[ 716.658504][ C0] tty_ldisc_ref_wait+0x22/0x80
[ 716.658544][ C0] tty_read+0x1a2/0x5d0
[ 716.658566][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 716.658595][ C0] ? __io_import_iovec+0x2d7/0x1360
[ 716.658621][ C0] ? do_SAK+0x70/0x70
[ 716.658643][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 716.658671][ C0] ? fsnotify_perm.part.0+0x22d/0x620
[ 716.658709][ C0] ? apparmor_file_permission+0x264/0x4e0
[ 716.658735][ C0] ? security_file_permission+0xab/0xd0
[ 716.658759][ C0] ? do_SAK+0x70/0x70
[ 716.658780][ C0] io_read+0x330/0x12a0
[ 716.658805][ C0] ? kiocb_done+0xd10/0xd10
[ 716.658830][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 716.658853][ C0] ? trace_hardirqs_on+0x5b/0x1c0
[ 716.658874][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 716.658899][ C0] ? io_issue_sqe+0x184/0x8390
[ 716.658924][ C0] ? __sanitizer_cov_trace_switch+0x59/0xf0
[ 716.658958][ C0] io_issue_sqe+0x813/0x8390
[ 716.658981][ C0] ? io_schedule_timeout+0x140/0x140
[ 716.659008][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 716.659030][ C0] ? trace_hardirqs_on+0x5b/0x1c0
[ 716.659051][ C0] ? io_openat2+0xbc0/0xbc0
[ 716.659072][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 716.659097][ C0] ? io_wq_submit_work+0x213/0x590
[ 716.659125][ C0] io_wq_submit_work+0x1ed/0x590
[ 716.659150][ C0] io_worker_handle_work+0xad6/0x1b30
[ 716.659184][ C0] io_wqe_worker+0x606/0xd40
[ 716.659210][ C0] ? io_wqe_dec_running+0x240/0x240
[ 716.659235][ C0] ? rcu_read_lock_sched_held+0xd/0x70
[ 716.659292][ C0] ? lock_release+0x522/0x720
[ 716.659316][ C0] ? ret_from_fork+0x8/0x30
[ 716.659340][ C0] ? lock_downgrade+0x6e0/0x6e0
[ 716.659363][ C0] ? do_raw_spin_lock+0x120/0x2a0
[ 716.659388][ C0] ? rwlock_bug.part.0+0x90/0x90
[ 716.659414][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 716.659441][ C0] ? io_wqe_dec_running+0x240/0x240
[ 716.659466][ C0] ? io_wqe_dec_running+0x240/0x240
[ 716.659492][ C0] ret_from_fork+0x1f/0x30
[ 716.659520][ C0]
[ 716.659527][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.426 msecs
[ 717.023044][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.029885][ T28] CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-01442-gb47d5a4f6b8d #0
[ 717.040819][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 717.050959][ T28] Call Trace:
[ 717.054236][ T28]
[ 717.057164][ T28] dump_stack_lvl+0xcd/0x134
[ 717.061770][ T28] panic+0x2b0/0x6dd
[ 717.065736][ T28] ? __warn_printk+0xf3/0xf3
[ 717.070334][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 717.075541][ T28] ? preempt_schedule_thunk+0x16/0x18
[ 717.081016][ T28] ? nmi_trigger_cpumask_backtrace+0x1c9/0x230
[ 717.087177][ T28] ? watchdog.cold+0x130/0x158
[ 717.091966][ T28] watchdog.cold+0x141/0x158
[ 717.096563][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 717.102553][ T28] kthread+0x2e9/0x3a0
[ 717.106731][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 717.112394][ T28] ret_from_fork+0x1f/0x30
[ 717.116828][ T28]
[ 717.119901][ T28] Kernel Offset: disabled
[ 717.124209][ T28] Rebooting in 86400 seconds..