Warning: Permanently added '10.128.0.188' (ED25519) to the list of known hosts.
executing program
[  127.933756][ T4036] loop0: detected capacity change from 0 to 32768
[  128.017369][ T4036] read_mapping_page failed!
[  128.018354][ T4036] bread failed!
[  128.020012][ T4036] ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 0
[  128.020012][ T4036] 
[  128.022853][ T4036] ERROR: (device loop0): remounting filesystem as read-only
[  128.024324][ T4036] ERROR: (device loop0): __get_metapage: using a discarded metapage
[  128.024324][ T4036] 
[  284.676952][   T27] INFO: task syz-executor261:4036 blocked for more than 143 seconds.
[  284.678593][   T27]       Not tainted 5.15.171-syzkaller #0
[  284.679723][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.681285][   T27] task:syz-executor261 state:D stack:    0 pid: 4036 ppid:  4035 flags:0x00000005
[  284.683007][   T27] Call trace:
[  284.683629][   T27]  __switch_to+0x308/0x5e8
[  284.684500][   T27]  __schedule+0xf10/0x1e48
[  284.685367][   T27]  schedule+0x11c/0x1c8
[  284.686164][   T27]  io_schedule+0x8c/0x194
[  284.686996][   T27]  wait_on_page_bit_common+0x6fc/0xc14
[  284.688089][   T27]  __lock_page+0x8c/0xa8
[  284.688876][   T27]  release_metapage+0x144/0x918
[  284.689828][   T27]  __get_metapage+0xb38/0x1128
[  284.690701][   T27]  jfs_readdir+0x2028/0x385c
[  284.691613][   T27]  iterate_dir+0x1f4/0x4ec
[  284.692477][   T27]  __arm64_sys_getdents64+0x1c4/0x4c4
[  284.693516][   T27]  invoke_syscall+0x98/0x2b8
[  284.694380][   T27]  el0_svc_common+0x138/0x258
[  284.695264][   T27]  do_el0_svc+0x58/0x14c
[  284.696049][   T27]  el0_svc+0x7c/0x1f0
[  284.696880][   T27]  el0t_64_sync_handler+0x84/0xe4
[  284.697873][   T27]  el0t_64_sync+0x1a0/0x1a4
[  284.698734][   T27] 
[  284.698734][   T27] Showing all locks held in the system:
[  284.700201][   T27] 1 lock held by khungtaskd/27:
[  284.701135][   T27]  #0: ffff800014ca22e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.703025][   T27] 2 locks held by getty/3783:
[  284.703906][   T27]  #0: ffff0000d4084098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.705857][   T27]  #1: ffff80001d63b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.707918][   T27] 2 locks held by syz-executor261/4036:
[  284.709069][   T27]  #0: ffff0000dc062370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170
[  284.710833][   T27]  #1: ffff0000e1cd33c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec
[  284.712846][   T27] 
[  284.713280][   T27] =============================================
[  284.713280][   T27] 
[  284.714835][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.716175][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.171-syzkaller #0
[  284.717781][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  284.719670][   T27] Call trace:
[  284.720281][   T27]  dump_backtrace+0x0/0x530
[  284.721180][   T27]  show_stack+0x2c/0x3c
[  284.721953][   T27]  dump_stack_lvl+0x108/0x170
[  284.722906][   T27]  dump_stack+0x1c/0x58
[  284.723694][   T27]  panic+0x304/0x8bc
[  284.724452][   T27]  hung_task_panic+0x0/0x2c
[  284.725354][   T27]  kthread+0x37c/0x45c
[  284.726130][   T27]  ret_from_fork+0x10/0x20
[  284.726953][   T27] SMP: stopping secondary CPUs
[  284.727897][   T27] Kernel Offset: disabled
[  284.728711][   T27] CPU features: 0x8,000081c1,21302e40
[  284.729757][   T27] Memory Limit: none
[  285.095398][   T27] Rebooting in 86400 seconds..