------------[ cut here ]------------ WARNING: CPU: 0 PID: 8907 at fs/nilfs2/dat.c:151 nilfs_dat_prepare_end+0x247/0x2a0 Modules linked in: CPU: 0 PID: 8907 Comm: segctord Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:nilfs_dat_prepare_end+0x247/0x2a0 fs/nilfs2/dat.c:151 Code: 3f 40 fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b8 3f 40 fe e8 b3 3c b9 fd e9 5a ff ff ff e8 a9 3f 40 fe <0f> 0b bb fe ff ff ff eb d2 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9000aeb7310 EFLAGS: 00010293 RAX: ffffffff834749d7 RBX: 00000000fffffffe RCX: ffff888075aebb00 RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe RBP: 1ffff920015d6e7c R08: ffffffff83474950 R09: ffffffff834596a3 R10: 0000000000000002 R11: ffff888075aebb00 R12: ffffc9000aeb73e0 R13: ffff888074edce38 R14: ffffc9000aeb73f8 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555692b708 CR3: 00000000431b9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_dat_prepare_update+0x1f/0xd0 fs/nilfs2/dat.c:223 nilfs_direct_propagate+0x1c2/0x390 fs/nilfs2/direct.c:274 nilfs_bmap_propagate+0x6d/0x120 fs/nilfs2/bmap.c:337 nilfs_segctor_apply_buffers+0x192/0x380 fs/nilfs2/segment.c:1012 nilfs_segctor_scan_file+0x8b5/0xaf0 fs/nilfs2/segment.c:1072 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1170 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1497 [inline] nilfs_segctor_do_construct+0x1cce/0x6fe0 fs/nilfs2/segment.c:2039 nilfs_segctor_construct+0x143/0x8d0 fs/nilfs2/segment.c:2375 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2483 [inline] nilfs_segctor_thread+0x534/0x1180 fs/nilfs2/segment.c:2566 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306