Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts.
executing program
[ 130.958051][ T4273] loop0: detected capacity change from 0 to 1024
[ 130.972552][ T4273] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[ 286.499323][ T28] INFO: task syz-executor409:4272 blocked for more than 143 seconds.
[ 286.507736][ T28] Not tainted 6.1.141-syzkaller #0
[ 286.513425][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.522935][ T28] task:syz-executor409 state:D stack:24352 pid:4272 ppid:4271 flags:0x00004002
[ 286.532420][ T28] Call Trace:
[ 286.535733][ T28]
[ 286.538919][ T28] __schedule+0x10e9/0x40d0
[ 286.543601][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 286.549091][ T28] ? release_firmware_map_entry+0x18a/0x18a
[ 286.555040][ T28] ? prepare_to_wait_event+0x430/0x470
[ 286.560836][ T28] schedule+0xb9/0x180
[ 286.564952][ T28] wb_wait_for_completion+0x162/0x280
[ 286.570601][ T28] ? __bpf_trace_writeback_inode_template+0x20/0x20
[ 286.577242][ T28] ? wake_bit_function+0x200/0x200
[ 286.582635][ T28] ? __might_sleep+0xd0/0xd0
[ 286.587281][ T28] ? rcu_force_quiescent_state+0x230/0x230
[ 286.593341][ T28] __writeback_inodes_sb_nr+0x1f3/0x240
[ 286.599184][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 286.604448][ T28] ? writeback_inodes_sb_nr+0x30/0x30
[ 286.610112][ T28] ? get_nr_dirty_inodes+0x290/0x2c0
[ 286.615455][ T28] sync_filesystem+0x9f/0x220
[ 286.620427][ T28] generic_shutdown_super+0x6b/0x340
[ 286.625763][ T28] kill_block_super+0x7c/0xe0
[ 286.630862][ T28] deactivate_locked_super+0x93/0xf0
[ 286.636195][ T28] cleanup_mnt+0x463/0x4f0
[ 286.641106][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 286.646437][ T28] task_work_run+0x1ca/0x250
[ 286.651282][ T28] ? task_work_cancel+0x230/0x230
[ 286.656358][ T28] ? exit_to_user_mode_loop+0x3b/0x110
[ 286.662085][ T28] exit_to_user_mode_loop+0xe6/0x110
[ 286.667571][ T28] exit_to_user_mode_prepare+0xb1/0x140
[ 286.673170][ T28] syscall_exit_to_user_mode+0x16/0x40
[ 286.678946][ T28] do_syscall_64+0x58/0xa0
[ 286.683409][ T28] ? clear_bhb_loop+0x60/0xb0
[ 286.688359][ T28] ? clear_bhb_loop+0x60/0xb0
[ 286.693076][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.699234][ T28] RIP: 0033:0x7fc0fa02e487
[ 286.703701][ T28] RSP: 002b:00007ffe0749c738 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 286.712392][ T28] RAX: 0000000000000000 RBX: 000000000001ff50 RCX: 00007fc0fa02e487
[ 286.720580][ T28] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe0749c7f0
[ 286.728765][ T28] RBP: 00007ffe0749c7f0 R08: 0000000000000000 R09: 0000000000000000
[ 286.736778][ T28] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe0749d860
[ 286.745023][ T28] R13: 00005555606ab6c0 R14: 431bde82d7b634db R15: 00007ffe0749d880
[ 286.753389][ T28]
[ 286.756459][ T28]
[ 286.756459][ T28] Showing all locks held in the system:
[ 286.764689][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 286.770186][ T28] #0: ffffffff8c92b430 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 286.780891][ T28] 1 lock held by rcu_tasks_trace/13:
[ 286.786208][ T28] #0: ffffffff8c92bc50 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 286.797554][ T28] 1 lock held by khungtaskd/28:
[ 286.802439][ T28] #0: ffffffff8c92aaa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 286.812562][ T28] 2 locks held by kworker/u4:4/69:
[ 286.817966][ T28] 2 locks held by getty/4016:
[ 286.822679][ T28] #0: ffff88803086f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.832770][ T28] #1: ffffc9000326b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41b/0x1380
[ 286.843204][ T28] 1 lock held by syz-executor409/4272:
[ 286.848991][ T28] #0: ffff88801ff380e0 (&type->s_umount_key#42){+.+.}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 286.859488][ T28]
[ 286.861848][ T28] =============================================
[ 286.861848][ T28]
[ 286.870690][ T28] NMI backtrace for cpu 0
[ 286.875070][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.141-syzkaller #0
[ 286.883076][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.893162][ T28] Call Trace:
[ 286.896467][ T28]
[ 286.899423][ T28] dump_stack_lvl+0x168/0x22e
[ 286.904144][ T28] ? irq_work_queue+0xb8/0x140
[ 286.908950][ T28] ? show_regs_print_info+0x12/0x12
[ 286.914203][ T28] ? load_image+0x3b0/0x3b0
[ 286.918735][ T28] ? vprintk_emit+0x571/0x680
[ 286.923452][ T28] ? printk_sprint+0x460/0x460
[ 286.928260][ T28] nmi_cpu_backtrace+0x3f4/0x470
[ 286.933246][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 286.939438][ T28] ? _printk+0xcc/0x110
[ 286.943724][ T28] ? load_image+0x3b0/0x3b0
[ 286.948262][ T28] ? load_image+0x3b0/0x3b0
[ 286.952801][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.958905][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 286.964932][ T28] watchdog+0xeee/0xf30
[ 286.969125][ T28] ? watchdog+0x1ed/0xf30
[ 286.973495][ T28] kthread+0x29d/0x330
[ 286.977649][ T28] ? hungtask_pm_notify+0x40/0x40
[ 286.982720][ T28] ? kthread_blkcg+0xd0/0xd0
[ 286.987349][ T28] ret_from_fork+0x1f/0x30
[ 286.991824][ T28]
[ 286.994975][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 287.000253][ C1] NMI backtrace for cpu 1
[ 287.000263][ C1] CPU: 1 PID: 69 Comm: kworker/u4:4 Not tainted 6.1.141-syzkaller #0
[ 287.000280][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 287.000292][ C1] Workqueue: writeback wb_workfn (flush-7:0)
[ 287.000322][ C1] RIP: 0010:lock_is_held_type+0x3d/0x190
[ 287.000341][ C1] Code: 28 00 00 00 48 89 44 24 08 bd ff ff ff ff 83 3d bc 26 ef 03 00 0f 84 03 01 00 00 65 8b 05 cb e5 f2 75 85 c0 0f 85 f4 00 00 00 <65> 48 8b 1d 7b db f2 75 83 bb dc 0a 00 00 00 0f 85 df 00 00 00 41
[ 287.000365][ C1] RSP: 0018:ffffc900015a71e0 EFLAGS: 00000246
[ 287.000378][ C1] RAX: 0000000000000000 RBX: ffffea0001ce1dc0 RCX: 9b74345e5d3a5f00
[ 287.000390][ C1] RDX: ffff8880187a0000 RSI: 00000000ffffffff RDI: ffffffff8c92aaa0
[ 287.000402][ C1] RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffff9400039c3bf
[ 287.000414][ C1] R10: fffff9400039c3bf R11: 1ffffd400039c3be R12: ffff88801790bf18
[ 287.000427][ C1] R13: 1ffff920002b4e58 R14: ffff888017834b00 R15: ffffc900015a72c0
[ 287.000446][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 287.000461][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.000472][ C1] CR2: 000055dddfb8c168 CR3: 000000007ee57000 CR4: 00000000003506e0
[ 287.000487][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.000496][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.000506][ C1] Call Trace:
[ 287.000513][ C1]
[ 287.000522][ C1] xas_reload+0x19c/0x470
[ 287.000549][ C1] __filemap_get_folio+0x2a4/0xdd0
[ 287.000574][ C1] ? __filemap_get_folio+0xf0/0xdd0
[ 287.000598][ C1] ? page_cache_prev_miss+0x350/0x350
[ 287.000625][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 287.000644][ C1] ? PageUptodate+0xd1/0x2a0
[ 287.000670][ C1] pagecache_get_page+0x26/0x250
[ 287.000694][ C1] __getblk_gfp+0x2d8/0xb20
[ 287.000724][ C1] udf_update_inode+0xf1/0x2ac0
[ 287.000742][ C1] ? __lock_acquire+0x7c50/0x7c50
[ 287.000766][ C1] ? __rwlock_init+0x140/0x140
[ 287.000790][ C1] ? __lock_acquire+0x7c50/0x7c50
[ 287.000815][ C1] __writeback_single_inode+0x75b/0x1160
[ 287.000844][ C1] writeback_sb_inodes+0xad8/0x17d0
[ 287.000873][ C1] ? do_raw_spin_lock+0x11d/0x280
[ 287.000907][ C1] ? queue_io+0x5a0/0x5a0
[ 287.000938][ C1] ? rcu_is_watching+0x11/0xa0
[ 287.000965][ C1] wb_writeback+0x468/0xd00
[ 287.000995][ C1] ? percpu_ref_tryget+0x250/0x250
[ 287.001020][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 287.001047][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 287.001074][ C1] wb_workfn+0x435/0xec0
[ 287.001104][ C1] ? inode_wait_for_writeback+0x200/0x200
[ 287.001133][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 287.001157][ C1] ? read_lock_is_recursive+0x10/0x10
[ 287.001178][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 287.001202][ C1] ? _raw_spin_unlock+0x40/0x40
[ 287.001226][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 287.001250][ C1] ? process_one_work+0x7a1/0x1160
[ 287.001268][ C1] process_one_work+0x898/0x1160
[ 287.001292][ C1] ? worker_detach_from_pool+0x240/0x240
[ 287.001312][ C1] ? _raw_spin_lock_irq+0xab/0xe0
[ 287.001334][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 287.001357][ C1] ? kthread_data+0x4b/0xc0
[ 287.001382][ C1] worker_thread+0xaa2/0x1250
[ 287.001407][ C1] ? __kthread_parkme+0x162/0x1c0
[ 287.001440][ C1] kthread+0x29d/0x330
[ 287.001463][ C1] ? worker_clr_flags+0x1a0/0x1a0
[ 287.001479][ C1] ? kthread_blkcg+0xd0/0xd0
[ 287.001504][ C1] ret_from_fork+0x1f/0x30
[ 287.001532][ C1]
[ 287.001539][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.286 msecs
[ 287.361714][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.368589][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.141-syzkaller #0
[ 287.376504][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 287.386590][ T28] Call Trace:
[ 287.389889][ T28]
[ 287.392841][ T28] dump_stack_lvl+0x168/0x22e
[ 287.397568][ T28] ? memcpy+0x3c/0x60
[ 287.401641][ T28] ? show_regs_print_info+0x12/0x12
[ 287.406893][ T28] ? load_image+0x3b0/0x3b0
[ 287.411450][ T28] panic+0x2c9/0x710
[ 287.415383][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 287.421064][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 287.425593][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 287.431289][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 287.437520][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 287.443719][ T28] watchdog+0xf2d/0xf30
[ 287.447929][ T28] ? watchdog+0x1ed/0xf30
[ 287.452300][ T28] kthread+0x29d/0x330
[ 287.456411][ T28] ? hungtask_pm_notify+0x40/0x40
[ 287.461474][ T28] ? kthread_blkcg+0xd0/0xd0
[ 287.466119][ T28] ret_from_fork+0x1f/0x30
[ 287.470602][ T28]
[ 287.473917][ T28] Kernel Offset: disabled
[ 287.478308][ T28] Rebooting in 86400 seconds..