DUID 00:04:fd:d1:b1:d5:68:a0:3a:5f:50:0a:64:49:ea:42:3f:75
forked to background, child pid 3175
[   22.804042][ T3176] 8021q: adding VLAN 0 to HW filter on device bond0
[   22.813307][ T3176] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
syzkaller login: [   71.196318][   T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.72' (ED25519) to the list of known hosts.
executing program
[  672.335698][ T3542] loop0: detected capacity change from 0 to 32768
[  672.426711][ T3542] gfs2: fsid=(œ[{{{+: Trying to join cluster "lock_nolock", "(œ[{{{+"
[  672.435868][ T3542] gfs2: fsid=(œ[{{{+: Now mounting FS (format 0)...
[  672.455118][ T3542] gfs2: fsid=(œ[{{{+.0: journal 0 mapped with 22 extents in 0ms
[  672.464540][   T25] gfs2: fsid=(œ[{{{+.0: jid=0, already locked for use
[  672.471376][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Looking at journal...
[  672.503541][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Journal head lookup took 32ms
[  672.512120][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Done
[  672.517693][ T3542] gfs2: fsid=(œ[{{{+.0: first mount done, others may mount
[  859.673988][   T27] INFO: task syz-executor105:3541 blocked for more than 143 seconds.
[  859.682188][   T27]       Not tainted 5.15.154-syzkaller #0
[  859.687968][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  859.696665][   T27] task:syz-executor105 state:D stack:24096 pid: 3541 ppid:  3539 flags:0x00004002
[  859.705891][   T27] Call Trace:
[  859.709163][   T27]  <TASK>
[  859.712080][   T27]  __schedule+0x12c4/0x45b0
[  859.716709][   T27]  ? mark_lock+0x98/0x340
[  859.721091][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  859.727119][   T27]  ? release_firmware_map_entry+0x190/0x190
[  859.733041][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  859.738285][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  859.743530][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  859.749532][   T27]  schedule+0x11b/0x1f0
[  859.753690][   T27]  bit_wait+0xe/0xc0
[  859.757697][   T27]  __wait_on_bit+0xb9/0x180
[  859.762212][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  859.768307][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  859.773802][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  859.779869][   T27]  ? __wait_on_bit+0x180/0x180
[  859.784651][   T27]  ? bit_waitqueue+0x30/0x30
[  859.789329][   T27]  gfs2_glock_wait+0xda/0x1c0
[  859.794096][   T27]  __gfs2_lookup+0x113/0x270
[  859.798698][   T27]  ? gfs2_atomic_open+0x220/0x220
[  859.803707][   T27]  ? __gfs2_lookup+0x10b/0x270
[  859.808526][   T27]  ? __init_waitqueue_head+0xaa/0x140
[  859.813926][   T27]  __lookup_slow+0x275/0x3d0
[  859.818564][   T27]  ? lookup_one_len+0x2d0/0x2d0
[  859.823397][   T27]  ? down_read+0x1b3/0x2e0
[  859.827841][   T27]  lookup_slow+0x53/0x70
[  859.832083][   T27]  walk_component+0x48c/0x610
[  859.836909][   T27]  ? nd_alloc_stack+0xf0/0xf0
[  859.841589][   T27]  ? handle_lookup_down+0x130/0x130
[  859.846825][   T27]  path_lookupat+0x16f/0x450
[  859.851423][   T27]  filename_lookup+0x230/0x5c0
[  859.856226][   T27]  ? hashlen_string+0x110/0x110
[  859.861085][   T27]  ? getname_flags+0x1ec/0x4e0
[  859.865876][   T27]  user_path_at_empty+0x40/0x180
[  859.870813][   T27]  __x64_sys_umount+0xf0/0x170
[  859.875649][   T27]  ? path_umount+0xf50/0xf50
[  859.880233][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  859.886238][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  859.891436][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  859.897452][   T27]  do_syscall_64+0x3b/0xb0
[  859.902011][   T27]  ? clear_bhb_loop+0x15/0x70
[  859.906724][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  859.912628][   T27] RIP: 0033:0x7f043b8545c7
[  859.917084][   T27] RSP: 002b:00007ffc4723d2b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[  859.925610][   T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f043b8545c7
[  859.933794][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc4723d370
[  859.941770][   T27] RBP: 00007ffc4723d370 R08: 0000000000000000 R09: 0000000000000000
[  859.949769][   T27] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc4723e460
[  859.957772][   T27] R13: 0000555556fae740 R14: 0000555556f9d338 R15: 00007ffc472405e0
[  859.965867][   T27]  </TASK>
[  859.968943][   T27] 
[  859.968943][   T27] Showing all locks held in the system:
[  859.976858][   T27] 1 lock held by khungtaskd/27:
[  859.981703][   T27]  #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  859.991230][   T27] 2 locks held by getty/3265:
[  859.995988][   T27]  #0: ffff88814abe3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  860.005829][   T27]  #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[  860.015963][   T27] 1 lock held by syz-executor105/3541:
[  860.021416][   T27]  #0: ffff8880725095a8 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x45/0x70
[  860.031575][   T27] 
[  860.033946][   T27] =============================================
[  860.033946][   T27] 
[  860.042333][   T27] NMI backtrace for cpu 1
[  860.046635][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.154-syzkaller #0
[  860.054605][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  860.064638][   T27] Call Trace:
[  860.067897][   T27]  <TASK>
[  860.070819][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  860.075479][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  860.081094][   T27]  ? panic+0x850/0x850
[  860.085208][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  860.090318][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  860.095233][   T27]  ? __wake_up_klogd+0xd5/0x100
[  860.100082][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  860.106209][   T27]  ? _printk+0xd1/0x120
[  860.110341][   T27]  ? panic+0x850/0x850
[  860.114387][   T27]  ? __wake_up_klogd+0xcc/0x100
[  860.119217][   T27]  ? panic+0x850/0x850
[  860.123265][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  860.129353][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  860.135309][   T27]  watchdog+0xe72/0xeb0
[  860.139482][   T27]  kthread+0x3f6/0x4f0
[  860.143584][   T27]  ? hungtask_pm_notify+0x50/0x50
[  860.148588][   T27]  ? kthread_blkcg+0xd0/0xd0
[  860.153152][   T27]  ret_from_fork+0x1f/0x30
[  860.157576][   T27]  </TASK>
[  860.160622][   T27] Sending NMI from CPU 1 to CPUs 0:
[  860.165881][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[  860.166868][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  860.182333][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.154-syzkaller #0
[  860.190286][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  860.200332][   T27] Call Trace:
[  860.203591][   T27]  <TASK>
[  860.206504][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  860.211185][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  860.216791][   T27]  ? panic+0x850/0x850
[  860.220842][   T27]  panic+0x318/0x850
[  860.224711][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  860.230887][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  860.236062][   T27]  ? panic+0x850/0x850
[  860.240106][   T27]  ? irq_work_queue+0xcd/0x150
[  860.244894][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  860.250951][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  860.256991][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  860.263030][   T27]  ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[  860.269159][   T27]  watchdog+0xeb0/0xeb0
[  860.273316][   T27]  kthread+0x3f6/0x4f0
[  860.277358][   T27]  ? hungtask_pm_notify+0x50/0x50
[  860.282356][   T27]  ? kthread_blkcg+0xd0/0xd0
[  860.286920][   T27]  ret_from_fork+0x1f/0x30
[  860.291321][   T27]  </TASK>
[  860.294509][   T27] Kernel Offset: disabled
[  860.298816][   T27] Rebooting in 86400 seconds..