Warning: Permanently added '10.128.1.138' (ED25519) to the list of known hosts.
executing program
[  125.887753][ T4037] loop0: detected capacity change from 0 to 8192
[  125.982013][ T4037] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
[  125.984456][ T4037] REISERFS (device loop0): using ordered data mode
[  125.986225][ T4037] reiserfs: using flush barriers
[  125.988610][ T4037] 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
[  125.993136][ T4037] REISERFS (device loop0): checking transaction log (loop0)
[  126.045815][ T4037] REISERFS (device loop0): Using tea hash to sort names
[  126.048321][ T4037] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[  126.086754][ T4037] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3)
[  126.090404][ T4037] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3)
[  126.093885][ T4037] REISERFS warning: vs-16090 direntry_bytes_number: bytes number is asked for direntry
[  284.659479][   T27] INFO: task kworker/0:0:7 blocked for more than 143 seconds.
[  284.661482][   T27]       Not tainted 5.15.180-syzkaller #0
[  284.662859][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  284.665069][   T27] task:kworker/0:0     state:D stack:    0 pid:    7 ppid:     2 flags:0x00000008
[  284.667359][   T27] Workqueue: events_long flush_old_commits
[  284.668734][   T27] Call trace:
[  284.670777][   T27]  __switch_to+0x308/0x588
[  284.671920][   T27]  __schedule+0xf10/0x1e48
[  284.672929][   T27]  schedule+0x11c/0x1c8
[  284.673994][   T27]  schedule_preempt_disabled+0x18/0x2c
[  284.675350][   T27]  __mutex_lock_common+0xba0/0x2154
[  284.676548][   T27]  mutex_lock_nested+0xa4/0xf8
[  284.677763][   T27]  reiserfs_write_lock+0x7c/0xe8
[  284.679006][   T27]  flush_old_commits+0x1b0/0x2b8
[  284.681209][   T27]  process_one_work+0x790/0x11b8
[  284.682475][   T27]  worker_thread+0x910/0x1034
[  284.683654][   T27]  kthread+0x37c/0x45c
[  284.684671][   T27]  ret_from_fork+0x10/0x20
[  284.685900][   T27] 
[  284.685900][   T27] Showing all locks held in the system:
[  284.687745][   T27] 4 locks held by kworker/0:0/7:
[  284.688958][   T27]  #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8
[  284.692604][   T27]  #1: ffff80001bcf7c00 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8
[  284.695726][   T27]  #2: ffff0000ccb760e0 (&type->s_umount_key#40){.+.+}-{3:3}, at: flush_old_commits+0xcc/0x2b8
[  284.698341][   T27]  #3: ffff0000ccee0090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8
[  284.701310][   T27] 1 lock held by khungtaskd/27:
[  284.702449][   T27]  #0: ffff800014d51b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44
[  284.705066][   T27] 2 locks held by getty/3798:
[  284.706256][   T27]  #0: ffff0000d4321098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50
[  284.708603][   T27]  #1: ffff80001d6de2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204
[  284.711799][   T27] 3 locks held by syz-executor344/4037:
[  284.713124][   T27] 
[  284.713740][   T27] =============================================
[  284.713740][   T27] 
[  284.715855][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  284.717456][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  284.719511][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.722026][   T27] Call trace:
[  284.722884][   T27]  dump_backtrace+0x0/0x530
[  284.724073][   T27]  show_stack+0x2c/0x3c
[  284.725143][   T27]  dump_stack_lvl+0x108/0x170
[  284.726280][   T27]  dump_stack+0x1c/0x58
[  284.727273][   T27]  panic+0x304/0x8bc
[  284.728205][   T27]  hung_task_panic+0x0/0x2c
[  284.729381][   T27]  kthread+0x37c/0x45c
[  284.730364][   T27]  ret_from_fork+0x10/0x20
[  284.731450][   T27] SMP: stopping secondary CPUs
[  284.732687][   T27] Kernel Offset: disabled
[  284.733780][   T27] CPU features: 0x8,000081c1,21302e40
[  284.735161][   T27] Memory Limit: none
[  285.018049][   T27] Rebooting in 86400 seconds..