[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 27.555072] ------------[ cut here ]------------
[ 27.559981] WARNING: CPU: 0 PID: 7962 at fs/nilfs2/dat.c:195 nilfs_dat_commit_end+0x469/0x5c0
[ 27.568657] Kernel panic - not syncing: panic_on_warn set ...
[ 27.568657]
[ 27.569451] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[ 27.576004] CPU: 0 PID: 7962 Comm: syz-executor248 Not tainted 4.14.295-syzkaller #0
[ 27.593638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 27.603008] Call Trace:
[ 27.605578] dump_stack+0x1b2/0x281
[ 27.609183] panic+0x1f9/0x42d
[ 27.612354] ? add_taint.cold+0x16/0x16
[ 27.616393] ? nilfs_dat_commit_end+0x469/0x5c0
[ 27.621052] ? nilfs_dat_commit_end+0x469/0x5c0
[ 27.625718] __warn.cold+0x20/0x44
[ 27.629247] ? ist_end_non_atomic+0x10/0x10
[ 27.633552] ? nilfs_dat_commit_end+0x469/0x5c0
[ 27.638196] report_bug+0x208/0x250
[ 27.641819] do_error_trap+0x195/0x2d0
[ 27.645710] ? math_error+0x2d0/0x2d0
[ 27.649494] ? nilfs_palloc_get_block+0x184/0x250
[ 27.654318] ? lock_acquire+0x170/0x3f0
[ 27.658267] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 27.663087] invalid_op+0x1b/0x40
[ 27.666518] RIP: 0010:nilfs_dat_commit_end+0x469/0x5c0
[ 27.671767] RSP: 0018:ffff888097f279e0 EFLAGS: 00010297
[ 27.677103] RAX: ffff8880b5670680 RBX: ffff8880b2f3a820 RCX: 1ffff110167c2479
[ 27.684358] RDX: 0000000000000000 RSI: 0000000000001401 RDI: ffff8880b3e12d38
[ 27.691612] RBP: ffff888097f27a50 R08: ffffffff8b9d19e8 R09: 0000000000000004
[ 27.698882] R10: 0000000000000000 R11: ffff8880b5670680 R12: ffff88809f0e29c8
[ 27.706125] R13: ffff888097f27a68 R14: 0000000000000003 R15: ffffffff00000000
[ 27.713394] ? nilfs_dat_prepare_end+0x1c8/0x2e0
[ 27.718126] nilfs_direct_delete+0x1f8/0x250
[ 27.722514] ? nilfs_direct_gather_data+0x130/0x130
[ 27.727506] ? __lock_acquire+0x2190/0x3f20
[ 27.731803] ? trace_hardirqs_on+0x10/0x10
[ 27.736016] nilfs_bmap_do_delete+0x1d8/0x280
[ 27.740495] ? nilfs_btnode_abort_change_key+0x140/0x140
[ 27.745919] ? lock_acquire+0x170/0x3f0
[ 27.749876] ? nilfs_bmap_truncate+0x6d/0x280
[ 27.754348] nilfs_bmap_truncate+0xe9/0x280
[ 27.758644] ? nilfs_bmap_delete+0xf0/0xf0
[ 27.762853] ? up_read+0x17/0x30
[ 27.766195] nilfs_truncate_bmap+0x101/0x2c0
[ 27.770581] ? rcu_lockdep_current_cpu_online+0xed/0x140
[ 27.776007] ? nilfs_writepage+0x260/0x260
[ 27.780478] ? rcu_read_lock_sched_held+0x16c/0x1d0
[ 27.785476] ? nilfs_transaction_begin+0x274/0xa00
[ 27.790383] ? __inode_wait_for_writeback+0x140/0x190
[ 27.795550] nilfs_evict_inode+0x11b/0x3a0
[ 27.799759] ? nilfs_get_block+0x7a0/0x7a0
[ 27.803972] ? nilfs_get_block+0x7a0/0x7a0
[ 27.808184] evict+0x2c8/0x700
[ 27.811352] iput+0x458/0x7e0
[ 27.814435] do_unlinkat+0x35b/0x5c0
[ 27.818122] ? do_rmdir+0x3c0/0x3c0
[ 27.821722] ? mntput+0x5c/0x80
[ 27.824977] ? SyS_chdir+0x10d/0x1a0
[ 27.828665] ? SyS_access+0x20/0x20
[ 27.832294] ? __close_fd+0x159/0x230
[ 27.836087] ? do_syscall_64+0x4c/0x640
[ 27.840043] ? SyS_unlinkat+0x70/0x70
[ 27.843818] do_syscall_64+0x1d5/0x640
[ 27.847695] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 27.852863] RIP: 0033:0x7ff2c0a79229
[ 27.856546] RSP: 002b:00007ffd3368e3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 27.864229] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007ff2c0a79229
[ 27.871473] RDX: 00007ff2c0a79229 RSI: 00007ff2c0a377c3 RDI: 0000000020000080
[ 27.878717] RBP: 00007ff2c0a38a90 R08: 0000000000000000 R09: 0000000000000000
[ 27.885964] R10: 00005555559512c0 R11: 0000000000000246 R12: 00007ff2c0a38b20
[ 27.893209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 27.900746] Kernel Offset: disabled
[ 27.904399] Rebooting in 86400 seconds..