------------[ cut here ]------------
WARNING: CPU: 0 PID: 3055 at fs/buffer.c:1081 mark_buffer_dirty+0x19c/0x368 fs/buffer.c:1081
Modules linked in:
CPU: 0 PID: 3055 Comm: segctord Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x19c/0x368 fs/buffer.c:1081
lr : mark_buffer_dirty+0x19c/0x368 fs/buffer.c:1081
sp : ffff800012813be0
x29: ffff800012813be0
 x28: ffff0000ca21db28 x27: 0000000000000008
x26: ffff0000ca934158 x25: ffff0000ca21db28 x24: ffff0000ca21d800
x23: ffff0000ca935458 x22: ffff0000c7d83c18 x21: ffff0000ca9342a8
x20: 0000000000000008 x19: ffff0000ca8b3690 x18: 0000000000000122
x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff0000cacf4f80
x14: 00000000000000c0 x13: 00000000ffffffff x12: ffff0000cacf4f80
x11: ff8080000863360c x10: 0000000000000000 x9 : ffff80000863360c
x8 : ffff0000cacf4f80 x7 : ffff800008f6d6d4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x19c/0x368 fs/buffer.c:1081
 nilfs_segctor_collect_dirty_files+0x7c/0x298 fs/nilfs2/segment.c:1960
 nilfs_segctor_do_construct+0x64/0xee8 fs/nilfs2/segment.c:2019
 nilfs_segctor_construct+0xa0/0x380 fs/nilfs2/segment.c:2375
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2483 [inline]
 nilfs_segctor_thread+0x180/0x660 fs/nilfs2/segment.c:2566
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 40
hardirqs last  enabled at (39): [<ffff80000bfc89b4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (39): [<ffff80000bfc89b4>] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194
hardirqs last disabled at (40): [<ffff80000bfb5fbc>] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404
softirqs last  enabled at (0): [<ffff8000080ee890>] copy_process+0x938/0x16dc kernel/fork.c:2199
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ end trace 0000000000000000 ]---