Warning: Permanently added '10.128.0.158' (ECDSA) to the list of known hosts. executing program [ 490.258019] NILFS (loop0): invalid segment: Checksum error in segment payload [ 490.265575] NILFS (loop0): trying rollback from an earlier position [ 490.283050] NILFS (loop0): recovery complete [ 490.289181] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 490.302361] audit: type=1804 audit(1676386495.938:2): pid=8112 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor304" name="/root/file0/bus" dev="loop0" ino=12 res=1 [ 490.322438] NILFS (loop0): unable to move secondary superblock to block 18446744073709551612 [ 490.333058] audit: type=1804 audit(1676386495.968:3): pid=8112 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor304" name="/root/file0/bus" dev="loop0" ino=12 res=1 [ 717.363006] INFO: task segctord:8118 blocked for more than 140 seconds. [ 717.369911] Not tainted 4.19.211-syzkaller #0 [ 717.375880] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.384020] segctord D26288 8118 2 0x80000000 [ 717.389656] Call Trace: [ 717.392661] __schedule+0x887/0x2040 [ 717.396662] ? io_schedule_timeout+0x140/0x140 [ 717.401248] ? mark_held_locks+0xa6/0xf0 [ 717.405341] ? rwsem_down_write_failed+0x3a5/0x760 [ 717.410266] schedule+0x8d/0x1b0 [ 717.414783] rwsem_down_write_failed+0x3aa/0x760 [ 717.419553] ? rwsem_down_read_failed_killable+0x580/0x580 [ 717.425201] ? lock_downgrade+0x720/0x720 [ 717.429348] ? mark_held_locks+0xf0/0xf0 [ 717.433482] ? _raw_spin_unlock_irq+0x24/0x80 [ 717.437993] call_rwsem_down_write_failed+0x13/0x20 [ 717.443039] down_write+0x4f/0x90 [ 717.446491] ? nilfs_transaction_lock+0x1fb/0x8b0 [ 717.451331] nilfs_transaction_lock+0x1fb/0x8b0 [ 717.456602] nilfs_segctor_thread+0x3c0/0xf50 [ 717.461117] ? nilfs_segctor_construct+0xae0/0xae0 [ 717.482880] ? __kthread_parkme+0x5d/0x1e0 [ 717.487482] ? wait_woken+0x250/0x250 [ 717.491671] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.497003] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 717.502516] ? __kthread_parkme+0x133/0x1e0 [ 717.512901] ? nilfs_segctor_construct+0xae0/0xae0 [ 717.517846] kthread+0x33f/0x460 [ 717.521229] ? kthread_park+0x180/0x180 [ 717.542901] ret_from_fork+0x24/0x30 [ 717.546783] [ 717.546783] Showing all locks held in the system: [ 717.562888] 1 lock held by khungtaskd/1571: [ 717.567221] #0: 000000005bc60963 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.592353] 1 lock held by kswapd0/1969: [ 717.597533] 1 lock held by in:imklog/7781: [ 717.601769] #0: 00000000d60cbbee (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 717.622856] 4 locks held by syz-executor304/8112: [ 717.627718] 1 lock held by segctord/8118: [ 717.631853] #0: 0000000090ee38e8 (&nilfs->ns_segctor_sem){++++}, at: nilfs_transaction_lock+0x1fb/0x8b0 [ 717.644397] [ 717.646034] ============================================= [ 717.646034] [ 717.654188] NMI backtrace for cpu 0 [ 717.657823] CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.665264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 717.674610] Call Trace: [ 717.677195] dump_stack+0x1fc/0x2ef [ 717.680822] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.685314] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.689807] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.695082] watchdog+0x991/0xe60 [ 717.698537] ? reset_hung_task_detector+0x30/0x30 [ 717.703379] kthread+0x33f/0x460 [ 717.706739] ? kthread_park+0x180/0x180 [ 717.710709] ret_from_fork+0x24/0x30 [ 717.714865] Sending NMI from CPU 0 to CPUs 1: [ 717.720082] NMI backtrace for cpu 1 [ 717.720088] CPU: 1 PID: 8112 Comm: syz-executor304 Not tainted 4.19.211-syzkaller #0 [ 717.720093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 717.720096] RIP: 0010:lock_is_held_type+0x82/0x210 [ 717.720104] Code: f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 6a 01 00 00 48 83 3d 36 cd a6 08 00 0f 84 1d 01 00 00 9c 58 <0f> 1f 44 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 c3 48 c7 c0 90 [ 717.720108] RSP: 0018:ffff8880956bf550 EFLAGS: 00000286 [ 717.720114] RAX: 0000000000000286 RBX: ffff8880b512e200 RCX: 0000000000000001 [ 717.720118] RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: ffff8880b512ea84 [ 717.720122] RBP: ffffffff89f85f60 R08: 0000000000000000 R09: 0000000000000000 [ 717.720126] R10: 0000000000000005 R11: 00000000135a7410 R12: 00000000000001e2 [ 717.720130] R13: dffffc0000000000 R14: ffff88808e55dc08 R15: ffffea0000428448 [ 717.720135] FS: 000055555648f300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 717.720138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.720142] CR2: 00005652cee9ce50 CR3: 00000000a51da000 CR4: 00000000003406e0 [ 717.720146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.720150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.720152] Call Trace: [ 717.720155] ___might_sleep+0x1ea/0x2b0 [ 717.720158] pagecache_get_page+0x5f2/0xd50 [ 717.720160] ? wake_up_var+0x110/0x110 [ 717.720163] nilfs_grab_buffer+0xa5/0x560 [ 717.720167] nilfs_mdt_submit_block.constprop.0+0xa8/0xaa0 [ 717.720170] ? nilfs_mdt_write_page+0x280/0x280 [ 717.720173] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.720175] nilfs_mdt_read_block+0x96/0x3e0 [ 717.720179] ? nilfs_mdt_submit_block.constprop.0+0xaa0/0xaa0 [ 717.720182] ? nilfs_mdt_get_block+0xf8/0xd40 [ 717.720185] nilfs_mdt_get_block+0xe6/0xd40 [ 717.720188] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 717.720191] ? nilfs_sufile_resize+0x76c/0x1230 [ 717.720194] ? nilfs_sufile_resize+0x77a/0x1230 [ 717.720196] nilfs_sufile_resize+0x760/0x1230 [ 717.720200] ? nilfs_sufile_do_set_error+0x490/0x490 [ 717.720202] ? nilfs_resize_fs+0x136/0xdb0 [ 717.720205] nilfs_resize_fs+0x1e4/0xdb0 [ 717.720208] ? __might_fault+0xef/0x1d0 [ 717.720211] ? nilfs_remount+0x4c0/0x4c0 [ 717.720214] ? __might_fault+0x192/0x1d0 [ 717.720216] nilfs_ioctl+0x1138/0x1bf0 [ 717.720219] ? trace_hardirqs_off+0x64/0x200 [ 717.720223] ? nilfs_ioctl_prepare_clean_segments+0x870/0x870 [ 717.720225] ? __kasan_slab_free+0x186/0x1f0 [ 717.720228] ? kmem_cache_free+0x7f/0x260 [ 717.720231] ? putname+0xe1/0x120 [ 717.720233] ? do_sys_open+0x2ba/0x520 [ 717.720236] ? do_syscall_64+0xf9/0x620 [ 717.720239] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.720242] ? mark_held_locks+0xf0/0xf0 [ 717.720245] ? debug_check_no_obj_freed+0x201/0x490 [ 717.720248] ? lock_downgrade+0x720/0x720 [ 717.720251] ? lock_acquire+0x170/0x3c0 [ 717.720254] ? debug_check_no_obj_freed+0xb5/0x490 [ 717.720257] ? nilfs_ioctl_prepare_clean_segments+0x870/0x870 [ 717.720260] do_vfs_ioctl+0xcdb/0x12e0 [ 717.720263] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 717.720266] ? debug_check_no_obj_freed+0x201/0x490 [ 717.720269] ? ioctl_preallocate+0x200/0x200 [ 717.720271] ? putname+0xe1/0x120 [ 717.720274] ? putname+0xe1/0x120 [ 717.720277] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 717.720280] ? kmem_cache_free+0x226/0x260 [ 717.720283] ? putname+0xe1/0x120 [ 717.720285] ? do_sys_open+0x2bf/0x520 [ 717.720288] ? filp_open+0x70/0x70 [ 717.720290] ksys_ioctl+0x9b/0xc0 [ 717.720293] __x64_sys_ioctl+0x6f/0xb0 [ 717.720296] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 717.720298] do_syscall_64+0xf9/0x620 [ 717.720301] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.720304] RIP: 0033:0x7ff704870619 [ 717.720307] Code: Bad RIP value. [ 717.720310] RSP: 002b:00007ffd19320f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 717.720317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff704870619 [ 717.720321] RDX: 0000000020000040 RSI: 0000000040086e8b RDI: 0000000000000006 [ 717.720325] RBP: 0000000000000000 R08: 00007ff7048deec0 R09: 00007ff7048deec0 [ 717.720329] R10: 00007ff7048deec0 R11: 0000000000000246 R12: 00007ffd19320fb0 [ 717.720333] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 717.722955] Kernel panic - not syncing: hung_task: blocked tasks [ 718.129742] CPU: 0 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.137187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 718.146536] Call Trace: [ 718.149128] dump_stack+0x1fc/0x2ef [ 718.152761] panic+0x26a/0x50e [ 718.155954] ? __warn_printk+0xf3/0xf3 [ 718.159842] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.164338] ? ___preempt_schedule+0x16/0x18 [ 718.168751] ? watchdog+0x991/0xe60 [ 718.172378] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.177836] watchdog+0x9a2/0xe60 [ 718.181295] ? reset_hung_task_detector+0x30/0x30 [ 718.186134] kthread+0x33f/0x460 [ 718.189518] ? kthread_park+0x180/0x180 [ 718.193492] ret_from_fork+0x24/0x30 [ 718.197608] Kernel Offset: disabled [ 718.201235] Rebooting in 86400 seconds..