no interfaces have a carrier
[ 39.712935][ T3840] 8021q: adding VLAN 0 to HW filter on device bond0
[ 39.722603][ T3840] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
syzkaller login: [ 86.662971][ T23] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.15.208' (ED25519) to the list of known hosts.
executing program
[ 149.325621][ T4192] loop0: detected capacity change from 0 to 32768
executing program
[ 149.617770][ T4196] loop0: detected capacity change from 0 to 32768
executing program
[ 149.926953][ T4199] loop0: detected capacity change from 0 to 32768
executing program
[ 150.525091][ T4202] loop0: detected capacity change from 0 to 32768
executing program
[ 150.819214][ T4205] loop0: detected capacity change from 0 to 32768
executing program
[ 151.396231][ T4208] loop0: detected capacity change from 0 to 32768
executing program
[ 151.660539][ T4211] loop0: detected capacity change from 0 to 32768
executing program
[ 151.921068][ T4214] loop0: detected capacity change from 0 to 32768
executing program
[ 152.180151][ T4217] loop0: detected capacity change from 0 to 32768
executing program
[ 152.446930][ T4220] loop0: detected capacity change from 0 to 32768
executing program
[ 153.039286][ T4223] loop0: detected capacity change from 0 to 32768
executing program
[ 153.305562][ T4226] loop0: detected capacity change from 0 to 32768
executing program
[ 153.565969][ T4229] loop0: detected capacity change from 0 to 32768
executing program
[ 154.141208][ T4232] loop0: detected capacity change from 0 to 32768
executing program
[ 154.439261][ T4235] loop0: detected capacity change from 0 to 32768
executing program
[ 154.703641][ T4238] loop0: detected capacity change from 0 to 32768
executing program
[ 154.969797][ T4241] loop0: detected capacity change from 0 to 32768
executing program
[ 155.261013][ T4244] loop0: detected capacity change from 0 to 32768
executing program
[ 155.517002][ T4247] loop0: detected capacity change from 0 to 32768
executing program
[ 155.772733][ T4250] loop0: detected capacity change from 0 to 32768
executing program
[ 156.633133][ T4253] loop0: detected capacity change from 0 to 32768
executing program
[ 156.886116][ T4256] loop0: detected capacity change from 0 to 32768
executing program
[ 157.138118][ T4259] loop0: detected capacity change from 0 to 32768
executing program
executing program
[ 157.426987][ T4262] loop0: detected capacity change from 0 to 32768
[ 157.663514][ T4265] loop0: detected capacity change from 0 to 32768
executing program
[ 157.939132][ T4268] loop0: detected capacity change from 0 to 32768
executing program
[ 158.229397][ T4271] loop0: detected capacity change from 0 to 32768
executing program
executing program
[ 158.590938][ T4274] loop0: detected capacity change from 0 to 32768
[ 158.819163][ T4277] loop0: detected capacity change from 0 to 32768
executing program
[ 159.403125][ T4280] loop0: detected capacity change from 0 to 32768
executing program
[ 159.657169][ T4283] loop0: detected capacity change from 0 to 32768
executing program
[ 160.249671][ T4286] loop0: detected capacity change from 0 to 32768
executing program
[ 160.526278][ T4289] loop0: detected capacity change from 0 to 32768
executing program
[ 161.109393][ T4292] loop0: detected capacity change from 0 to 32768
executing program
[ 161.375418][ T4295] loop0: detected capacity change from 0 to 32768
executing program
[ 161.636835][ T4298] loop0: detected capacity change from 0 to 32768
executing program
[ 161.906893][ T4301] loop0: detected capacity change from 0 to 32768
executing program
[ 162.171897][ T4304] loop0: detected capacity change from 0 to 32768
executing program
[ 162.431177][ T4307] loop0: detected capacity change from 0 to 32768
executing program
[ 162.732605][ T4310] loop0: detected capacity change from 0 to 32768
executing program
[ 163.022801][ T4313] loop0: detected capacity change from 0 to 32768
executing program
[ 163.289630][ T4316] loop0: detected capacity change from 0 to 32768
executing program
[ 163.882435][ T4319] loop0: detected capacity change from 0 to 32768
executing program
[ 164.501048][ T4322] loop0: detected capacity change from 0 to 32768
executing program
[ 165.069897][ T4325] loop0: detected capacity change from 0 to 32768
executing program
[ 165.648538][ T4329] loop0: detected capacity change from 0 to 32768
executing program
[ 166.224866][ T4333] loop0: detected capacity change from 0 to 32768
executing program
[ 166.505571][ T4337] loop0: detected capacity change from 0 to 32768
executing program
[ 167.101153][ T4341] loop0: detected capacity change from 0 to 32768
executing program
[ 167.358317][ T4345] loop0: detected capacity change from 0 to 32768
executing program
[ 167.623545][ T4348] loop0: detected capacity change from 0 to 32768
executing program
[ 167.931966][ T4352] loop0: detected capacity change from 0 to 32768
executing program
[ 168.197768][ T4355] loop0: detected capacity change from 0 to 32768
executing program
[ 168.780077][ T4358] loop0: detected capacity change from 0 to 32768
[ 347.781146][ T27] INFO: task kworker/u4:0:9 blocked for more than 143 seconds.
[ 347.788888][ T27] Not tainted 5.15.185-syzkaller #0
[ 347.796674][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 347.805893][ T27] task:kworker/u4:0 state:D stack:24768 pid: 9 ppid: 2 flags:0x00004000
[ 347.815383][ T27] Workqueue: writeback wb_workfn (flush-7:0)
[ 347.821748][ T27] Call Trace:
[ 347.825049][ T27]
[ 347.828000][ T27] __schedule+0x11b8/0x43b0
[ 347.833116][ T27] ? blk_flush_plug_list+0x3ec/0x430
[ 347.838446][ T27] ? release_firmware_map_entry+0x190/0x190
[ 347.844691][ T27] ? blk_check_plugged+0x250/0x250
[ 347.849832][ T27] ? __mutex_trylock_common+0x80/0x250
[ 347.855636][ T27] ? kthread_data+0x4b/0xc0
[ 347.860272][ T27] schedule+0x11b/0x1e0
[ 347.864744][ T27] schedule_preempt_disabled+0xf/0x20
[ 347.870149][ T27] __mutex_lock_common+0xc71/0x2390
[ 347.875701][ T27] ? jfs_commit_inode+0x1c7/0x520
[ 347.880753][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 347.886263][ T27] ? _raw_spin_unlock+0x24/0x40
[ 347.891350][ T27] ? txBegin+0x4b2/0x650
[ 347.895627][ T27] mutex_lock_nested+0x17/0x20
[ 347.900414][ T27] jfs_commit_inode+0x1c7/0x520
[ 347.905732][ T27] ? jfs_iget+0x3c0/0x3c0
[ 347.910089][ T27] ? do_raw_spin_lock+0x11d/0x280
[ 347.915556][ T27] ? __rwlock_init+0x140/0x140
[ 347.920359][ T27] jfs_write_inode+0x141/0x220
[ 347.925568][ T27] __writeback_single_inode+0x6c3/0xda0
[ 347.931505][ T27] writeback_sb_inodes+0x9fe/0x1610
[ 347.936767][ T27] ? queue_io+0x550/0x550
[ 347.941507][ T27] ? up_read+0x20/0x20
[ 347.945620][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 347.950942][ T27] wb_writeback+0x455/0xb90
[ 347.955914][ T27] ? rcu_lock_release+0x20/0x20
[ 347.960793][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 347.967154][ T27] ? mark_lock+0x94/0x320
[ 347.971728][ T27] wb_workfn+0xaaa/0xe60
[ 347.976020][ T27] ? inode_wait_for_writeback+0x200/0x200
[ 347.982055][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 347.988072][ T27] ? read_lock_is_recursive+0x10/0x10
[ 347.993775][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 347.999695][ T27] ? _raw_spin_unlock+0x40/0x40
[ 348.004971][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 348.010199][ T27] process_one_work+0x863/0x1000
[ 348.015505][ T27] ? worker_detach_from_pool+0x240/0x240
[ 348.021475][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 348.026792][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 348.032125][ T27] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 348.037525][ T27] ? wq_worker_running+0x97/0x170
[ 348.042836][ T27] worker_thread+0xaa8/0x12a0
[ 348.047564][ T27] kthread+0x436/0x520
[ 348.051933][ T27] ? rcu_lock_release+0x20/0x20
[ 348.056816][ T27] ? kthread_blkcg+0xd0/0xd0
[ 348.061704][ T27] ret_from_fork+0x1f/0x30
[ 348.066159][ T27]
[ 348.069301][ T27]
[ 348.069301][ T27] Showing all locks held in the system:
[ 348.077452][ T27] 4 locks held by kworker/u4:0/9:
[ 348.082700][ T27] #0: ffff8881427e8938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 348.093571][ T27] #1: ffffc90000ce7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 348.105648][ T27] #2: ffff88801f35e0e0 (&type->s_umount_key#43){++++}-{3:3}, at: trylock_super+0x1c/0xf0
[ 348.115927][ T27] #3: ffff88806e25c288 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x1c7/0x520
[ 348.126443][ T27] 1 lock held by khungtaskd/27:
[ 348.131501][ T27] #0: ffffffff8c11bfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 348.140887][ T27] 2 locks held by getty/3932:
[ 348.146118][ T27] #0: ffff88814cf98098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 348.156221][ T27] #1: ffffc90002ce62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 348.166866][ T27] 4 locks held by syz-executor106/4358:
[ 348.172666][ T27]
[ 348.175008][ T27] =============================================
[ 348.175008][ T27]
[ 348.183781][ T27] NMI backtrace for cpu 0
[ 348.188127][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 348.196120][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 348.206187][ T27] Call Trace:
[ 348.209474][ T27]
[ 348.212420][ T27] dump_stack_lvl+0x168/0x230
[ 348.217115][ T27] ? show_regs_print_info+0x20/0x20
[ 348.222330][ T27] ? load_image+0x3b0/0x3b0
[ 348.226847][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 348.232246][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 348.237382][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 348.242338][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 348.248504][ T27] ? _printk+0xcc/0x110
[ 348.252677][ T27] ? load_image+0x3b0/0x3b0
[ 348.257199][ T27] ? load_image+0x3b0/0x3b0
[ 348.261715][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 348.267798][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 348.273799][ T27] watchdog+0xe0f/0xe50
[ 348.277979][ T27] kthread+0x436/0x520
[ 348.282061][ T27] ? hungtask_pm_notify+0x40/0x40
[ 348.287096][ T27] ? kthread_blkcg+0xd0/0xd0
[ 348.291709][ T27] ret_from_fork+0x1f/0x30
[ 348.296241][ T27]
[ 348.299397][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 348.304655][ C1] NMI backtrace for cpu 1
[ 348.304664][ C1] CPU: 1 PID: 4358 Comm: syz-executor106 Not tainted 5.15.185-syzkaller #0
[ 348.304681][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 348.304695][ C1] RIP: 0010:dtSplitRoot+0x704/0x1510
[ 348.304717][ C1] Code: c1 e8 03 42 0f b6 04 28 84 c0 0f 85 30 0d 00 00 40 88 2b 48 0f be dd 48 c1 e3 05 4c 01 fb 49 89 df 49 c1 ef 03 43 0f b6 04 2f <84> c0 75 14 0f b6 2b 40 84 ed 78 1f e8 5b a9 ab fe 4c 8b 7c 24 20
[ 348.304735][ C1] RSP: 0018:ffffc900031af320 EFLAGS: 00000a06
[ 348.304749][ C1] RAX: 0000000000000000 RBX: ffff88802ae9e000 RCX: ffff88801d525940
[ 348.304761][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ff
[ 348.304770][ C1] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10055d3c24
[ 348.304781][ C1] R10: 0000000000000000 R11: 0000000000000018 R12: 1ffff110055d3c02
[ 348.304791][ C1] R13: dffffc0000000000 R14: 000000000000000d R15: 1ffff110055d3c00
[ 348.304802][ C1] FS: 00007fe1e151f6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 348.304816][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 348.304827][ C1] CR2: 0000559551f87168 CR3: 000000002308d000 CR4: 00000000003506e0
[ 348.304840][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 348.304850][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 348.304859][ C1] Call Trace:
[ 348.304865][ C1]
[ 348.304885][ C1] dtInsert+0xd90/0x5730
[ 348.304919][ C1] ? UniStrupr+0x2e0/0x2e0
[ 348.304934][ C1] ? do_raw_spin_lock+0x11d/0x280
[ 348.304952][ C1] ? __rwlock_init+0x140/0x140
[ 348.304979][ C1] jfs_create+0x69d/0xa50
[ 348.304998][ C1] ? jfs_lookup+0x380/0x380
[ 348.305013][ C1] ? jfs_get_parent+0xa0/0xa0
[ 348.305038][ C1] ? make_kgid+0x640/0x640
[ 348.305054][ C1] ? generic_permission+0x230/0x510
[ 348.305073][ C1] ? inode_permission+0xef/0x480
[ 348.305088][ C1] ? bpf_lsm_inode_create+0x5/0x10
[ 348.305104][ C1] ? security_inode_create+0xb3/0x100
[ 348.305140][ C1] ? jfs_lookup+0x380/0x380
[ 348.305157][ C1] path_openat+0x11e1/0x2f30
[ 348.305190][ C1] ? do_filp_open+0x3e0/0x3e0
[ 348.305215][ C1] do_filp_open+0x1b3/0x3e0
[ 348.305233][ C1] ? vfs_tmpfile+0x300/0x300
[ 348.305260][ C1] ? _raw_spin_unlock+0x24/0x40
[ 348.305278][ C1] ? alloc_fd+0x598/0x630
[ 348.305297][ C1] do_sys_openat2+0x142/0x4a0
[ 348.305315][ C1] ? do_sys_open+0xe0/0xe0
[ 348.305329][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 348.305350][ C1] ? lock_chain_count+0x20/0x20
[ 348.305367][ C1] ? vtime_user_exit+0x2dc/0x400
[ 348.305386][ C1] __x64_sys_open+0x11b/0x140
[ 348.305408][ C1] do_syscall_64+0x4c/0xa0
[ 348.305424][ C1] ? clear_bhb_loop+0x30/0x80
[ 348.305438][ C1] ? clear_bhb_loop+0x30/0x80
[ 348.305453][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 348.305472][ C1] RIP: 0033:0x7fe1e1563349
[ 348.305487][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 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 b0 ff ff ff f7 d8 64 89 01 48
[ 348.305499][ C1] RSP: 002b:00007fe1e151f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[ 348.305514][ C1] RAX: ffffffffffffffda RBX: 00007fe1e15f16a8 RCX: 00007fe1e1563349
[ 348.305525][ C1] RDX: 0000000000000000 RSI: 0000000000080242 RDI: 0000200000000040
[ 348.305535][ C1] RBP: 00007fe1e15f16a0 R08: 00007fe1e15f16a0 R09: 0000000000000000
[ 348.305546][ C1] R10: 00007fe1e151f170 R11: 0000000000000246 R12: 00007fe1e15f16ac
[ 348.305556][ C1] R13: 0000000000000006 R14: 00007ffd63c15b50 R15: 00007ffd63c15c38
[ 348.305574][ C1]
[ 348.319547][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 348.319565][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 348.319586][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 348.319599][ T27] Call Trace:
[ 348.319606][ T27]
[ 348.319615][ T27] dump_stack_lvl+0x168/0x230
[ 348.319643][ T27] ? show_regs_print_info+0x20/0x20
[ 348.319664][ T27] ? load_image+0x3b0/0x3b0
[ 348.319695][ T27] panic+0x2c9/0x7f0
[ 348.319718][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 348.319745][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 348.319767][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 348.319796][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 348.319827][ T27] watchdog+0xe4e/0xe50
[ 348.319858][ T27] kthread+0x436/0x520
[ 348.319876][ T27] ? hungtask_pm_notify+0x40/0x40
[ 348.319895][ T27] ? kthread_blkcg+0xd0/0xd0
[ 348.319916][ T27] ret_from_fork+0x1f/0x30
[ 348.319951][ T27]
[ 348.320254][ T27] Kernel Offset: disabled
[ 348.760022][ T27] Rebooting in 86400 seconds..