Warning: Permanently added '10.128.0.91' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   45.446078][ T4021] loop0: detected capacity change from 0 to 32768
[   45.584163][ T4021] gfs2: fsid=(œ[{{{+: Trying to join cluster "lock_nolock", "(œ[{{{+"
[   45.586529][ T4021] gfs2: fsid=(œ[{{{+: Now mounting FS (format 0)...
[   45.596034][ T4021] gfs2: fsid=(œ[{{{+.0: journal 0 mapped with 22 extents in 0ms
[   45.599724][   T25] gfs2: fsid=(œ[{{{+.0: jid=0, already locked for use
[   45.601618][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Looking at journal...
[   45.640017][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Journal head lookup took 38ms
[   45.642667][   T25] gfs2: fsid=(œ[{{{+.0: jid=0: Done
[   45.644330][ T4021] gfs2: fsid=(œ[{{{+.0: first mount done, others may mount
[   74.763549][ T3330] cfg80211: failed to load regulatory.db
[  284.682272][   T27] INFO: task syz-executor379:4020 blocked for more than 143 seconds.
[  284.684486][   T27]       Not tainted 5.15.179-syzkaller #0
[  284.686038][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.688311][   T27] task:syz-executor379 state:D stack:    0 pid: 4020 ppid:  4018 flags:0x00000004
[  284.690645][   T27] Call trace:
[  284.691512][   T27]  __switch_to+0x308/0x588
[  284.692798][   T27]  __schedule+0xf10/0x1e48
[  284.693942][   T27]  schedule+0x11c/0x1c8
[  284.695027][   T27]  bit_wait+0x1c/0xac
[  284.696029][   T27]  out_of_line_wait_on_bit+0x208/0x33c
[  284.697379][   T27]  gfs2_glock_nq+0xb38/0x144c
[  284.698532][   T27]  __gfs2_lookup+0x114/0x260
[  284.699706][   T27]  gfs2_lookup+0x2c/0x3c
[  284.700811][   T27]  __lookup_slow+0x250/0x388
[  284.702073][   T27]  lookup_slow+0x60/0x84
[  284.703180][   T27]  walk_component+0x394/0x4cc
[  284.704510][   T27]  path_lookupat+0x13c/0x3d0
[  284.705766][   T27]  filename_lookup+0x1c4/0x4c8
[  284.707033][   T27]  user_path_at_empty+0x5c/0x1a4
[  284.708317][   T27]  __arm64_sys_umount+0xf8/0x17c
[  284.709544][   T27]  invoke_syscall+0x98/0x2b8
[  284.710743][   T27]  el0_svc_common+0x138/0x258
[  284.711918][   T27]  do_el0_svc+0x58/0x14c
[  284.713111][   T27]  el0_svc+0x7c/0x1f0
[  284.714155][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.715407][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.716597][   T27] 
[  284.716597][   T27] Showing all locks held in the system:
[  284.718506][   T27] 1 lock held by khungtaskd/27:
[  284.719768][   T27]  #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.722272][   T27] 2 locks held by getty/3786:
[  284.723481][   T27]  #0: ffff0000d02cf098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.725939][   T27]  #1: ffff80001d6de2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.728561][   T27] 1 lock held by syz-executor379/4020:
[  284.730054][   T27]  #0: ffff0000de7ca338 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84
[  284.732804][   T27] 
[  284.733371][   T27] =============================================
[  284.733371][   T27] 
[  284.735609][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.737294][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  284.739375][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.741980][   T27] Call trace:
[  284.742829][   T27]  dump_backtrace+0x0/0x530
[  284.744010][   T27]  show_stack+0x2c/0x3c
[  284.745105][   T27]  dump_stack_lvl+0x108/0x170
[  284.746332][   T27]  dump_stack+0x1c/0x58
[  284.747453][   T27]  panic+0x304/0x8bc
[  284.748477][   T27]  hung_task_panic+0x0/0x2c
[  284.749675][   T27]  kthread+0x37c/0x45c
[  284.750775][   T27]  ret_from_fork+0x10/0x20
[  284.751933][   T27] SMP: stopping secondary CPUs
[  284.753222][   T27] Kernel Offset: disabled
[  284.754396][   T27] CPU features: 0x8,000081c1,21302e40
[  284.755908][   T27] Memory Limit: none
[  285.029483][   T27] Rebooting in 86400 seconds..