Warning: Permanently added '10.128.15.197' (ED25519) to the list of known hosts.
executing program
[  125.997763][ T4047] loop0: detected capacity change from 0 to 8192
[  126.073891][ T4047] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
[  126.076627][ T4047] REISERFS (device loop0): using ordered data mode
[  126.078205][ T4047] reiserfs: using flush barriers
[  126.082518][ T4047] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[  126.086871][ T4047] REISERFS (device loop0): checking transaction log (loop0)
[  126.133201][ T4047] REISERFS (device loop0): Using tea hash to sort names
[  126.135714][ T4047] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[  126.177680][ T4047] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3)
[  126.181476][ T4047] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3)
[  126.184814][ T4047] REISERFS warning: vs-16090 direntry_bytes_number: bytes number is asked for direntry
[  284.671213][   T27] INFO: task kworker/1:2:1960 blocked for more than 143 seconds.
[  284.673278][   T27]       Not tainted 5.15.180-syzkaller #0
[  284.674647][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.676704][   T27] task:kworker/1:2     state:D stack:    0 pid: 1960 ppid:     2 flags:0x00000008
[  284.679162][   T27] Workqueue: events_long flush_old_commits
[  284.680623][   T27] Call trace:
[  284.682643][   T27]  __switch_to+0x308/0x588
[  284.683829][   T27]  __schedule+0xf10/0x1e48
[  284.684973][   T27]  schedule+0x11c/0x1c8
[  284.685992][   T27]  schedule_preempt_disabled+0x18/0x2c
[  284.687394][   T27]  __mutex_lock_common+0xba0/0x2154
[  284.688701][   T27]  mutex_lock_nested+0xa4/0xf8
[  284.689961][   T27]  reiserfs_write_lock+0x7c/0xe8
[  284.692184][   T27]  flush_old_commits+0x1b0/0x2b8
[  284.693497][   T27]  process_one_work+0x790/0x11b8
[  284.694769][   T27]  worker_thread+0x910/0x1034
[  284.695951][   T27]  kthread+0x37c/0x45c
[  284.696971][   T27]  ret_from_fork+0x10/0x20
[  284.698144][   T27] 
[  284.698144][   T27] Showing all locks held in the system:
[  284.700196][   T27] 1 lock held by khungtaskd/27:
[  284.702344][   T27]  #0: ffff800014d51b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.704741][   T27] 4 locks held by kworker/1:2/1960:
[  284.706083][   T27]  #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[  284.708975][   T27]  #1: ffff8000254e7c00 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[  284.712888][   T27]  #2: ffff0000cdaca0e0 (&type->s_umount_key#40){.+.+}-{3:3}, at: flush_old_commits+0xcc/0x2b8
[  284.715733][   T27]  #3: ffff0000c85ac090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8
[  284.718250][   T27] 2 locks held by getty/3782:
[  284.719468][   T27]  #0: ffff0000cf756098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.722624][   T27]  #1: ffff80001d6de2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.725333][   T27] 3 locks held by syz-executor243/4047:
[  284.726618][   T27] 
[  284.727236][   T27] =============================================
[  284.727236][   T27] 
[  284.729440][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.730869][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  284.732916][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.735527][   T27] Call trace:
[  284.736366][   T27]  dump_backtrace+0x0/0x530
[  284.737493][   T27]  show_stack+0x2c/0x3c
[  284.738565][   T27]  dump_stack_lvl+0x108/0x170
[  284.739707][   T27]  dump_stack+0x1c/0x58
[  284.740750][   T27]  panic+0x304/0x8bc
[  284.741731][   T27]  hung_task_panic+0x0/0x2c
[  284.742910][   T27]  kthread+0x37c/0x45c
[  284.743956][   T27]  ret_from_fork+0x10/0x20
[  284.745065][   T27] SMP: stopping secondary CPUs
[  284.746292][   T27] Kernel Offset: disabled
[  284.747378][   T27] CPU features: 0x8,000081c1,21302e40
[  284.748732][   T27] Memory Limit: none
[  285.017957][   T27] Rebooting in 86400 seconds..