Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts.
executing program
[  125.747161][ T4038] loop0: detected capacity change from 0 to 64
[  284.649453][   T27] INFO: task syz-executor311:4040 blocked for more than 143 seconds.
[  284.651762][   T27]       Not tainted 5.15.179-syzkaller #0
[  284.653250][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.655536][   T27] task:syz-executor311 state:D stack:    0 pid: 4040 ppid:  4036 flags:0x0000000d
[  284.657887][   T27] Call trace:
[  284.658748][   T27]  __switch_to+0x308/0x588
[  284.661073][   T27]  __schedule+0xf10/0x1e48
[  284.662254][   T27]  schedule+0x11c/0x1c8
[  284.663341][   T27]  schedule_preempt_disabled+0x18/0x2c
[  284.664763][   T27]  __mutex_lock_common+0xba0/0x2154
[  284.666138][   T27]  mutex_lock_nested+0xa4/0xf8
[  284.667394][   T27]  bfs_lookup+0x11c/0x228
[  284.668479][   T27]  __lookup_slow+0x250/0x388
[  284.670581][   T27]  lookup_slow+0x60/0x84
[  284.671742][   T27]  walk_component+0x394/0x4cc
[  284.673013][   T27]  link_path_walk+0x5a0/0xc38
[  284.674230][   T27]  __filename_parentat+0x1d4/0x5b8
[  284.675498][   T27]  filename_create+0xf0/0x468
[  284.676699][   T27]  do_mkdirat+0xac/0x610
[  284.677842][   T27]  __arm64_sys_mkdirat+0x90/0xa8
[  284.679184][   T27]  invoke_syscall+0x98/0x2b8
[  284.681349][   T27]  el0_svc_common+0x138/0x258
[  284.682607][   T27]  do_el0_svc+0x58/0x14c
[  284.683734][   T27]  el0_svc+0x7c/0x1f0
[  284.684827][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.686143][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.687353][   T27] 
[  284.687353][   T27] Showing all locks held in the system:
[  284.690177][   T27] 1 lock held by khungtaskd/27:
[  284.691501][   T27]  #0: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.694069][   T27] 2 locks held by getty/3786:
[  284.695263][   T27]  #0: ffff0000d3937098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.697760][   T27]  #1: ffff80001d6ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.701190][   T27] 3 locks held by syz-executor311/4038:
[  284.702620][   T27] 2 locks held by syz-executor311/4040:
[  284.704076][   T27]  #0: ffff0000debc8168 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84
[  284.706806][   T27]  #1: ffff0000c9a550d8 (&info->bfs_lock){+.+.}-{3:3}, at: bfs_lookup+0x11c/0x228
[  284.709876][   T27] 
[  284.710512][   T27] =============================================
[  284.710512][   T27] 
[  284.712793][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.714654][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  284.716624][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.719274][   T27] Call trace:
[  284.720146][   T27]  dump_backtrace+0x0/0x530
[  284.721404][   T27]  show_stack+0x2c/0x3c
[  284.722495][   T27]  dump_stack_lvl+0x108/0x170
[  284.723787][   T27]  dump_stack+0x1c/0x58
[  284.724945][   T27]  panic+0x304/0x8bc
[  284.726039][   T27]  hung_task_panic+0x0/0x2c
[  284.727226][   T27]  kthread+0x37c/0x45c
[  284.728297][   T27]  ret_from_fork+0x10/0x20
[  284.729474][   T27] SMP: stopping secondary CPUs
[  284.730761][   T27] Kernel Offset: disabled
[  284.731922][   T27] CPU features: 0x8,000081c1,21302e40
[  284.733432][   T27] Memory Limit: none
[  285.018774][   T27] Rebooting in 86400 seconds..