Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts. executing program [ 126.769348][ T4036] loop0: detected capacity change from 0 to 8192 [ 126.857872][ T4036] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 126.860160][ T4036] REISERFS (device loop0): using ordered data mode [ 126.861775][ T4036] reiserfs: using flush barriers [ 126.863943][ T4036] 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 [ 126.868650][ T4036] REISERFS (device loop0): checking transaction log (loop0) [ 126.918022][ T4036] REISERFS (device loop0): Using tea hash to sort names [ 126.920648][ T4036] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 126.961897][ T4036] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3) [ 126.965553][ T4036] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [2 4 0x0 SD] (nlink == 1) not found (pos 3) [ 126.969688][ T4036] REISERFS warning: vs-16090 direntry_bytes_number: bytes number is asked for direntry [ 284.685259][ T27] INFO: task kworker/1:2:1534 blocked for more than 143 seconds. [ 284.687418][ T27] Not tainted 5.15.180-syzkaller #0 [ 284.688818][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.690882][ T27] task:kworker/1:2 state:D stack: 0 pid: 1534 ppid: 2 flags:0x00000008 [ 284.693248][ T27] Workqueue: events_long flush_old_commits [ 284.694729][ T27] Call trace: [ 284.696782][ T27] __switch_to+0x308/0x588 [ 284.697887][ T27] __schedule+0xf10/0x1e48 [ 284.698943][ T27] schedule+0x11c/0x1c8 [ 284.699992][ T27] schedule_preempt_disabled+0x18/0x2c [ 284.701324][ T27] __mutex_lock_common+0xba0/0x2154 [ 284.702570][ T27] mutex_lock_nested+0xa4/0xf8 [ 284.703775][ T27] reiserfs_write_lock+0x7c/0xe8 [ 284.704979][ T27] flush_old_commits+0x1b0/0x2b8 [ 284.707146][ T27] process_one_work+0x790/0x11b8 [ 284.708354][ T27] worker_thread+0x910/0x1034 [ 284.709499][ T27] kthread+0x37c/0x45c [ 284.710468][ T27] ret_from_fork+0x10/0x20 [ 284.711638][ T27] [ 284.711638][ T27] Showing all locks held in the system: [ 284.713547][ T27] 1 lock held by khungtaskd/27: [ 284.714730][ T27] #0: ffff800014d51b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.718787][ T27] 4 locks held by kworker/1:2/1534: [ 284.720140][ T27] #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 [ 284.722817][ T27] #1: ffff800023da7c00 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 [ 284.726474][ T27] #2: ffff0000cac3e0e0 (&type->s_umount_key#40){.+.+}-{3:3}, at: flush_old_commits+0xcc/0x2b8 [ 284.729145][ T27] #3: ffff0000cd5c1090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x7c/0xe8 [ 284.731452][ T27] 2 locks held by getty/3782: [ 284.732598][ T27] #0: ffff0000d3dbc098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 284.734963][ T27] #1: ffff80001d75e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 284.738142][ T27] 3 locks held by syz-executor335/4036: [ 284.739495][ T27] [ 284.740092][ T27] ============================================= [ 284.740092][ T27] [ 284.742197][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 284.743847][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0 [ 284.745837][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 284.748390][ T27] Call trace: [ 284.749235][ T27] dump_backtrace+0x0/0x530 [ 284.750409][ T27] show_stack+0x2c/0x3c [ 284.751463][ T27] dump_stack_lvl+0x108/0x170 [ 284.752641][ T27] dump_stack+0x1c/0x58 [ 284.753665][ T27] panic+0x304/0x8bc [ 284.754608][ T27] hung_task_panic+0x0/0x2c [ 284.755777][ T27] kthread+0x37c/0x45c [ 284.756795][ T27] ret_from_fork+0x10/0x20 [ 284.757919][ T27] SMP: stopping secondary CPUs [ 284.759014][ T27] Kernel Offset: disabled [ 284.760062][ T27] CPU features: 0x8,000081c1,21302e40 [ 284.761414][ T27] Memory Limit: none [ 285.051753][ T27] Rebooting in 86400 seconds..