no interfaces have a carrier
forked to background, child pid 3143
[ 27.287908][ T3144] 8021q: adding VLAN 0 to HW filter on device bond0
[ 27.298411][ T3144] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.131297][ T855] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts.
executing program
[ 507.488843][ T9] block nbd0: Possible stuck request ffff88801bf88000: control (read@0,512B). Runtime 30 seconds
[ 716.128809][ T28] INFO: task syz-executor659:3595 can't die for more than 143 seconds.
[ 716.137177][ T28] task:syz-executor659 state:D stack:26560 pid: 3595 ppid: 3594 flags:0x00004004
[ 716.146493][ T28] Call Trace:
[ 716.149900][ T28]
[ 716.152845][ T28] __schedule+0xa9a/0x4940
[ 716.157382][ T28] ? io_schedule_timeout+0x140/0x140
[ 716.162901][ T28] schedule+0xd2/0x1f0
[ 716.166984][ T28] schedule_timeout+0x1db/0x2a0
[ 716.172011][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.177224][ T28] ? __wait_for_common+0x36f/0x530
[ 716.182556][ T28] ? mark_held_locks+0x9f/0xe0
[ 716.187369][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.192474][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.197691][ T28] __wait_for_common+0x378/0x530
[ 716.202776][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.207993][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170
[ 716.214489][ T28] ? __xfs_buf_submit+0x4b5/0x840
[ 716.219702][ T28] xfs_buf_iowait+0xd5/0x5f0
[ 716.224300][ T28] __xfs_buf_submit+0x4b5/0x840
[ 716.229303][ T28] xfs_buf_read_uncached+0x20d/0x380
[ 716.234621][ T28] ? xfs_buf_readahead_map+0xc0/0xc0
[ 716.240070][ T28] ? mark_held_locks+0x9f/0xe0
[ 716.244852][ T28] xfs_readsb+0x318/0x630
[ 716.249363][ T28] ? xfs_sb_validate_fsb_count+0x140/0x140
[ 716.255197][ T28] xfs_fs_fill_super+0x72e/0x1d90
[ 716.260573][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 716.266988][ T28] get_tree_bdev+0x440/0x760
[ 716.271727][ T28] ? xfs_fs_destroy_inode+0x680/0x680
[ 716.277237][ T28] vfs_get_tree+0x89/0x2f0
[ 716.281808][ T28] path_mount+0x1320/0x1fa0
[ 716.286373][ T28] ? kmem_cache_free+0xdd/0x5a0
[ 716.291435][ T28] ? finish_automount+0xaf0/0xaf0
[ 716.296470][ T28] ? putname+0xfe/0x140
[ 716.300806][ T28] __x64_sys_mount+0x27f/0x300
[ 716.305580][ T28] ? copy_mnt_ns+0xae0/0xae0
[ 716.310330][ T28] ? syscall_enter_from_user_mode+0x21/0x70
[ 716.316248][ T28] do_syscall_64+0x35/0x80
[ 716.320799][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 716.326709][ T28] RIP: 0033:0x7fb0457483d9
[ 716.331253][ T28] RSP: 002b:00007fff3e788528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 716.339805][ T28] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb0457483d9
[ 716.347775][ T28] RDX: 0000000020000140 RSI: 0000000020000000 RDI: 00000000200000c0
[ 716.355924][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff3e7886c8
[ 716.364017][ T28] R10: 0000000000008002 R11: 0000000000000246 R12: 00007fb0457076f0
[ 716.372099][ T28] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 716.380373][ T28]
[ 716.383404][ T28] INFO: task syz-executor659:3595 blocked for more than 143 seconds.
[ 716.391528][ T28] Not tainted 5.17.0-next-20220401-syzkaller #0
[ 716.398408][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.407212][ T28] task:syz-executor659 state:D stack:26560 pid: 3595 ppid: 3594 flags:0x00004004
[ 716.416562][ T28] Call Trace:
[ 716.419960][ T28]
[ 716.422891][ T28] __schedule+0xa9a/0x4940
[ 716.427306][ T28] ? io_schedule_timeout+0x140/0x140
[ 716.432773][ T28] schedule+0xd2/0x1f0
[ 716.436870][ T28] schedule_timeout+0x1db/0x2a0
[ 716.441911][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.447132][ T28] ? __wait_for_common+0x36f/0x530
[ 716.452490][ T28] ? mark_held_locks+0x9f/0xe0
[ 716.457287][ T28] ? rwlock_bug.part.0+0x90/0x90
[ 716.462377][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 716.467610][ T28] __wait_for_common+0x378/0x530
[ 716.472625][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 716.477855][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170
[ 716.484331][ T28] ? __xfs_buf_submit+0x4b5/0x840
[ 716.489418][ T28] xfs_buf_iowait+0xd5/0x5f0
[ 716.494009][ T28] __xfs_buf_submit+0x4b5/0x840
[ 716.498956][ T28] xfs_buf_read_uncached+0x20d/0x380
[ 716.504253][ T28] ? xfs_buf_readahead_map+0xc0/0xc0
[ 716.509696][ T28] ? mark_held_locks+0x9f/0xe0
[ 716.514483][ T28] xfs_readsb+0x318/0x630
[ 716.518946][ T28] ? xfs_sb_validate_fsb_count+0x140/0x140
[ 716.524774][ T28] xfs_fs_fill_super+0x72e/0x1d90
[ 716.529860][ T28] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 716.536119][ T28] get_tree_bdev+0x440/0x760
[ 716.540807][ T28] ? xfs_fs_destroy_inode+0x680/0x680
[ 716.546191][ T28] vfs_get_tree+0x89/0x2f0
[ 716.550661][ T28] path_mount+0x1320/0x1fa0
[ 716.555172][ T28] ? kmem_cache_free+0xdd/0x5a0
[ 716.560133][ T28] ? finish_automount+0xaf0/0xaf0
[ 716.565167][ T28] ? putname+0xfe/0x140
[ 716.569381][ T28] __x64_sys_mount+0x27f/0x300
[ 716.574149][ T28] ? copy_mnt_ns+0xae0/0xae0
[ 716.578845][ T28] ? syscall_enter_from_user_mode+0x21/0x70
[ 716.584764][ T28] do_syscall_64+0x35/0x80
[ 716.589243][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 716.595151][ T28] RIP: 0033:0x7fb0457483d9
[ 716.599660][ T28] RSP: 002b:00007fff3e788528 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 716.608077][ T28] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fb0457483d9
[ 716.616103][ T28] RDX: 0000000020000140 RSI: 0000000020000000 RDI: 00000000200000c0
[ 716.624133][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff3e7886c8
[ 716.632168][ T28] R10: 0000000000008002 R11: 0000000000000246 R12: 00007fb0457076f0
[ 716.640183][ T28] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 716.648174][ T28]
[ 716.651277][ T28]
[ 716.651277][ T28] Showing all locks held in the system:
[ 716.659059][ T28] 2 locks held by kworker/u4:1/11:
[ 716.664160][ T28] #0: ffff8880b9c39fd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120
[ 716.674196][ T28] #1: ffff8880b9c278c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x176/0x4e0
[ 716.685643][ T28] 1 lock held by khungtaskd/28:
[ 716.690635][ T28] #0: ffffffff8bd82560 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 716.700633][ T28] 1 lock held by klogd/2922:
[ 716.705216][ T28] #0: ffff8880b9c39fd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120
[ 716.715213][ T28] 2 locks held by getty/3251:
[ 716.719984][ T28] #0: ffff88801db6a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 716.729857][ T28] #1: ffffc90002e632e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcea/0x1230
[ 716.739997][ T28] 1 lock held by syz-executor659/3595:
[ 716.745435][ T28] #0: ffff88801e2360e0 (&type->s_umount_key#42/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xa80
[ 716.755592][ T28]
[ 716.757909][ T28] =============================================
[ 716.757909][ T28]
[ 716.766383][ T28] NMI backtrace for cpu 1
[ 716.770712][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.17.0-next-20220401-syzkaller #0
[ 716.779711][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.789742][ T28] Call Trace:
[ 716.793001][ T28]
[ 716.795913][ T28] dump_stack_lvl+0xcd/0x134
[ 716.800555][ T28] nmi_cpu_backtrace.cold+0x47/0x144
[ 716.805830][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 716.811040][ T28] nmi_trigger_cpumask_backtrace+0x1e6/0x230
[ 716.817014][ T28] watchdog+0xcb7/0xed0
[ 716.821164][ T28] ? trace_sched_process_hang+0x280/0x280
[ 716.826887][ T28] kthread+0x2e9/0x3a0
[ 716.831010][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.836644][ T28] ret_from_fork+0x1f/0x30
[ 716.841082][ T28]
[ 716.844209][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 716.849560][ C0] NMI backtrace for cpu 0
[ 716.849571][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.17.0-next-20220401-syzkaller #0
[ 716.849592][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 716.849604][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 716.849634][ C0] RIP: 0010:check_kcov_mode+0x7/0x40
[ 716.849664][ C0] Code: 00 e9 59 fe ff ff 48 8b 7c 24 08 e8 83 b3 4b 00 e9 61 fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc 65 8b 05 19 4c 89 7e <89> c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b
[ 716.849682][ C0] RSP: 0018:ffffc900001079b0 EFLAGS: 00000046
[ 716.849697][ C0] RAX: 0000000080000001 RBX: 0000000000000000 RCX: 0000000000000000
[ 716.849709][ C0] RDX: ffff888010eeba80 RSI: ffff888010eeba80 RDI: 0000000000000003
[ 716.849722][ C0] RBP: ffff888140169558 R08: 0000000000000000 R09: 0000000000000003
[ 716.849734][ C0] R10: ffffffff817f6fdd R11: 0000000000000001 R12: ffffffff81c467a3
[ 716.849747][ C0] R13: 0000000000000001 R14: 00000000000007a4 R15: 8000000000000063
[ 716.849760][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 716.849776][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.849790][ C0] CR2: 00007fff8a3f7228 CR3: 000000000ba8e000 CR4: 00000000003506f0
[ 716.849802][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.849813][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.849825][ C0] Call Trace:
[ 716.849830][ C0]
[ 716.849835][ C0] __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 716.849866][ C0] trace_hardirqs_off+0x4d/0x1b0
[ 716.849932][ C0] ? __kmalloc_node+0xc3/0x390
[ 716.849961][ C0] __text_poke+0x61c/0x8c0
[ 716.850032][ C0] ? text_poke_loc_init+0x450/0x450
[ 716.850064][ C0] text_poke_bp_batch+0x13c/0x6b0
[ 716.850092][ C0] ? __kmalloc_node+0xc3/0x390
[ 716.850122][ C0] ? do_sync_core+0x20/0x20
[ 716.850151][ C0] ? arch_jump_label_transform_queue+0xa0/0x100
[ 716.850178][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 716.850208][ C0] ? __jump_label_update+0x351/0x400
[ 716.850246][ C0] text_poke_finish+0x16/0x30
[ 716.850273][ C0] arch_jump_label_transform_apply+0x13/0x20
[ 716.850300][ C0] jump_label_update+0x32f/0x410
[ 716.850327][ C0] static_key_disable_cpuslocked+0x152/0x1b0
[ 716.850350][ C0] static_key_disable+0x16/0x20
[ 716.850370][ C0] toggle_allocation_gate+0x183/0x390
[ 716.850395][ C0] ? lock_release+0x720/0x720
[ 716.850422][ C0] ? wake_up_kfence_timer+0x20/0x20
[ 716.850448][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 716.850479][ C0] process_one_work+0x996/0x1610
[ 716.850505][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 716.850527][ C0] ? rwlock_bug.part.0+0x90/0x90
[ 716.850553][ C0] ? _raw_spin_lock_irq+0x41/0x50
[ 716.850586][ C0] worker_thread+0x665/0x1080
[ 716.850611][ C0] ? process_one_work+0x1610/0x1610
[ 716.850632][ C0] kthread+0x2e9/0x3a0
[ 716.850659][ C0] ? kthread_complete_and_exit+0x40/0x40
[ 716.850690][ C0] ret_from_fork+0x1f/0x30
[ 716.850722][ C0]
[ 716.850729][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.169 msecs
[ 716.851559][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.165124][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.17.0-next-20220401-syzkaller #0
[ 717.174136][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 717.184176][ T28] Call Trace:
[ 717.187444][ T28]
[ 717.190362][ T28] dump_stack_lvl+0xcd/0x134
[ 717.194953][ T28] panic+0x2d7/0x636
[ 717.198885][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 717.204866][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 717.210056][ T28] ? preempt_schedule_thunk+0x16/0x18
[ 717.215426][ T28] ? nmi_trigger_cpumask_backtrace+0x1c9/0x230
[ 717.221573][ T28] ? watchdog.cold+0x1b9/0x1de
[ 717.226365][ T28] watchdog.cold+0x1ca/0x1de
[ 717.230957][ T28] ? trace_sched_process_hang+0x280/0x280
[ 717.236679][ T28] kthread+0x2e9/0x3a0
[ 717.240755][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 717.246388][ T28] ret_from_fork+0x1f/0x30
[ 717.250811][ T28]
[ 717.254104][ T28] Kernel Offset: disabled
[ 717.258423][ T28] Rebooting in 86400 seconds..