Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 495.697158] F2FS-fs (loop0): invalid crc value [ 495.706619] F2FS-fs (loop0): Found nat_bits in checkpoint [ 495.739129] F2FS-fs (loop0): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. [ 495.752788] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 717.709026] INFO: task syz-executor466:8105 blocked for more than 140 seconds. [ 717.716476] Not tainted 4.19.211-syzkaller #0 [ 717.721578] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.729797] syz-executor466 D26528 8105 8104 0x00000004 [ 717.735420] Call Trace: [ 717.737993] __schedule+0x887/0x2040 [ 717.741773] ? blk_flush_plug_list+0x6a5/0x8e0 [ 717.746358] ? io_schedule_timeout+0x140/0x140 [ 717.750992] schedule+0x8d/0x1b0 [ 717.754361] io_schedule+0xb5/0x120 [ 717.757973] wait_on_page_bit+0x2c5/0x3f0 [ 717.762301] ? wake_page_function+0x1b0/0x1b0 [ 717.766898] ? add_to_page_cache_lru+0x680/0x680 [ 717.771739] __filemap_fdatawait_range+0x3ae/0x510 [ 717.776733] ? wait_on_page_bit+0x3f0/0x3f0 [ 717.781139] ? __filemap_fdatawrite_range+0x198/0x350 [ 717.786326] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 717.791867] ? generic_file_direct_write+0x362/0x4a0 [ 717.797236] filemap_write_and_wait_range+0x6e/0xd0 [ 717.802337] __generic_file_write_iter+0x4cf/0x610 [ 717.807275] f2fs_file_write_iter+0x3c4/0xbe0 [ 717.811831] aio_write+0x37f/0x5c0 [ 717.815395] ? aio_setup_rw.isra.0+0x110/0x110 [ 717.820048] ? lock_downgrade+0x720/0x720 [ 717.824222] ? lock_downgrade+0x720/0x720 [ 717.828356] ? lock_acquire+0x170/0x3c0 [ 717.832377] ? __might_fault+0xef/0x1d0 [ 717.836598] io_submit_one+0xecd/0x20c0 [ 717.840670] ? lock_downgrade+0x720/0x720 [ 717.844824] ? aio_read+0x420/0x420 [ 717.848537] ? __might_fault+0x11f/0x1d0 [ 717.852808] __se_sys_io_submit+0x11b/0x4a0 [ 717.857124] ? io_submit_one+0x20c0/0x20c0 [ 717.861433] ? lock_downgrade+0x720/0x720 [ 717.865580] ? lock_acquire+0x170/0x3c0 [ 717.869599] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.874964] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.880050] ? do_syscall_64+0x21/0x620 [ 717.884022] do_syscall_64+0xf9/0x620 [ 717.887815] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.893159] RIP: 0033:0x7f4ec4b252e9 [ 717.896884] Code: Bad RIP value. [ 717.900316] RSP: 002b:00007ffe82a3eb28 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 717.908017] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ec4b252e9 [ 717.915335] RDX: 0000000020000540 RSI: 0000000000000008 RDI: 00007f4ec06b7000 [ 717.922694] RBP: 0000000000000000 R08: 00007f4ec4ba3ec0 R09: 00007f4ec4ba3ec0 [ 717.930015] R10: 00007f4ec4ba3ec0 R11: 0000000000000246 R12: 00007ffe82a3eb50 [ 717.937539] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 717.944908] [ 717.944908] Showing all locks held in the system: [ 717.951297] 1 lock held by khungtaskd/1571: [ 717.955601] #0: 000000000d094c00 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.964282] 1 lock held by syz-executor466/8105: [ 717.969085] #0: 0000000037f00765 (&sb->s_type->i_mutex_key#17){+.+.}, at: f2fs_file_write_iter+0x1b6/0xbe0 [ 717.979034] [ 717.980656] ============================================= [ 717.980656] [ 717.987647] NMI backtrace for cpu 0 [ 717.991345] CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.998781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.008132] Call Trace: [ 718.010703] dump_stack+0x1fc/0x2ef [ 718.014310] nmi_cpu_backtrace.cold+0x63/0xa2 [ 718.018786] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.023294] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 718.028559] watchdog+0x991/0xe60 [ 718.031998] ? reset_hung_task_detector+0x30/0x30 [ 718.036823] kthread+0x33f/0x460 [ 718.040175] ? kthread_park+0x180/0x180 [ 718.044133] ret_from_fork+0x24/0x30 [ 718.047951] Sending NMI from CPU 0 to CPUs 1: [ 718.052980] NMI backtrace for cpu 1 [ 718.052986] CPU: 1 PID: 10 Comm: rcu_preempt Not tainted 4.19.211-syzkaller #0 [ 718.052992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.052996] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 718.053007] Code: ff 48 89 df e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 [ 718.053016] RSP: 0018:ffff8880b5a67b98 EFLAGS: 00000003 [ 718.053024] RAX: 1ffff1101742456f RBX: 1ffff11016b4cf74 RCX: ffffffff8153155b [ 718.053029] RDX: 0000000000000000 RSI: ffffffff8153161f RDI: ffff8880ba122b78 [ 718.053034] RBP: ffff8880ba122b40 R08: 0000000000000001 R09: 0000000008c00001 [ 718.053039] R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880b5a67cc0 [ 718.053044] R13: dffffc0000000000 R14: ffff8880ba122b40 R15: 00000000ffffffff [ 718.053049] FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 718.053054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.053059] CR2: 00007f02068da000 CR3: 00000000a1364000 CR4: 00000000003406e0 [ 718.053064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.053069] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.053071] Call Trace: [ 718.053075] try_to_del_timer_sync+0x9a/0x110 [ 718.053079] ? detach_if_pending+0x460/0x460 [ 718.053082] ? del_timer_sync+0x75/0x270 [ 718.053086] ? del_timer_sync+0x1cc/0x270 [ 718.053089] del_timer_sync+0x1a4/0x270 [ 718.053093] schedule_timeout+0x4d7/0xfe0 [ 718.053096] ? prepare_to_swait_event+0x5b/0x540 [ 718.053100] ? usleep_range+0x170/0x170 [ 718.053104] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 718.053108] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.053111] ? collect_expired_timers+0x2a0/0x2a0 [ 718.053115] ? swake_up_all+0x340/0x340 [ 718.053118] rcu_gp_kthread+0xdad/0x21c0 [ 718.053122] ? lock_acquire+0x170/0x3c0 [ 718.053125] ? __rcu_read_unlock+0x160/0x160 [ 718.053129] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 718.053133] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.053137] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 718.053141] ? __kthread_parkme+0x133/0x1e0 [ 718.053144] ? __rcu_read_unlock+0x160/0x160 [ 718.053147] kthread+0x33f/0x460 [ 718.053151] ? kthread_park+0x180/0x180 [ 718.053154] ret_from_fork+0x24/0x30 [ 718.053550] Kernel panic - not syncing: hung_task: blocked tasks [ 718.282864] CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.290286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.299615] Call Trace: [ 718.302190] dump_stack+0x1fc/0x2ef [ 718.305798] panic+0x26a/0x50e [ 718.308971] ? __warn_printk+0xf3/0xf3 [ 718.312838] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 718.317920] ? cpumask_next+0x3c/0x40 [ 718.321702] ? printk_safe_flush+0xd6/0x120 [ 718.326008] ? watchdog+0x991/0xe60 [ 718.329614] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.335045] watchdog+0x9a2/0xe60 [ 718.338484] ? reset_hung_task_detector+0x30/0x30 [ 718.343303] kthread+0x33f/0x460 [ 718.346737] ? kthread_park+0x180/0x180 [ 718.350696] ret_from_fork+0x24/0x30 [ 718.354747] Kernel Offset: disabled [ 718.358367] Rebooting in 86400 seconds..