Warning: Permanently added '10.128.0.29' (ED25519) to the list of known hosts. executing program [ 126.637525][ T4039] loop0: detected capacity change from 0 to 8192 [ 126.719652][ T4039] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 126.722180][ T4039] REISERFS (device loop0): using ordered data mode [ 126.723918][ T4039] reiserfs: using flush barriers [ 126.726234][ T4039] 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 [ 126.731269][ T4039] REISERFS (device loop0): checking transaction log (loop0) [ 126.777185][ T4039] REISERFS (device loop0): Using tea hash to sort names [ 126.779771][ T4039] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 126.823537][ T4039] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3) [ 126.827689][ T4039] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3) [ 126.832210][ T4039] REISERFS warning: vs-16090 direntry_bytes_number: bytes number is asked for direntry [ 284.677341][ T27] INFO: task kworker/1:3:1962 blocked for more than 143 seconds. [ 284.679623][ T27] Not tainted 5.15.180-syzkaller #0 [ 284.681175][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.683529][ T27] task:kworker/1:3 state:D stack: 0 pid: 1962 ppid: 2 flags:0x00000008 [ 284.685996][ T27] Workqueue: events_long flush_old_commits [ 284.688610][ T27] Call trace: [ 284.689485][ T27] __switch_to+0x308/0x588 [ 284.690706][ T27] __schedule+0xf10/0x1e48 [ 284.691863][ T27] schedule+0x11c/0x1c8 [ 284.692979][ T27] schedule_preempt_disabled+0x18/0x2c [ 284.694417][ T27] __mutex_lock_common+0xba0/0x2154 [ 284.695789][ T27] mutex_lock_nested+0xa4/0xf8 [ 284.697859][ T27] reiserfs_write_lock+0x7c/0xe8 [ 284.699134][ T27] flush_old_commits+0x1b0/0x2b8 [ 284.700433][ T27] process_one_work+0x790/0x11b8 [ 284.701729][ T27] worker_thread+0x910/0x1034 [ 284.702981][ T27] kthread+0x37c/0x45c [ 284.704207][ T27] ret_from_fork+0x10/0x20 [ 284.705460][ T27] [ 284.705460][ T27] Showing all locks held in the system: [ 284.708440][ T27] 1 lock held by khungtaskd/27: [ 284.709762][ T27] #0: ffff800014d51b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.712455][ T27] 4 locks held by kworker/1:3/1962: [ 284.713858][ T27] #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 [ 284.716801][ T27] #1: ffff8000252f7c00 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 284.720962][ T27] #2: ffff0000ccb840e0 (&type->s_umount_key#40){.+.+}-{3:3}, at: flush_old_commits+0xcc/0x2b8 [ 284.723902][ T27] #3: ffff0000c2e96090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 [ 284.726564][ T27] 2 locks held by getty/3782: [ 284.728365][ T27] #0: ffff0000d4015098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 284.731046][ T27] #1: ffff80001d79b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 284.733704][ T27] 3 locks held by syz-executor113/4039: [ 284.735166][ T27] [ 284.735768][ T27] ============================================= [ 284.735768][ T27] [ 284.738738][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 284.740574][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0 [ 284.742765][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 284.745455][ T27] Call trace: [ 284.746328][ T27] dump_backtrace+0x0/0x530 [ 284.747536][ T27] show_stack+0x2c/0x3c [ 284.748700][ T27] dump_stack_lvl+0x108/0x170 [ 284.749943][ T27] dump_stack+0x1c/0x58 [ 284.751073][ T27] panic+0x304/0x8bc [ 284.752205][ T27] hung_task_panic+0x0/0x2c [ 284.753469][ T27] kthread+0x37c/0x45c [ 284.754586][ T27] ret_from_fork+0x10/0x20 [ 284.755785][ T27] SMP: stopping secondary CPUs [ 284.757099][ T27] Kernel Offset: disabled [ 284.758266][ T27] CPU features: 0x8,000081c1,21302e40 [ 284.759745][ T27] Memory Limit: none [ 285.049412][ T27] Rebooting in 86400 seconds..