------------[ cut here ]------------
WARNING: CPU: 1 PID: 4518 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x5ac/0x6b0 fs/nilfs2/dat.c:200
Modules linked in:
CPU: 1 PID: 4518 Comm: syz.4.57 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:nilfs_dat_commit_end+0x5ac/0x6b0 fs/nilfs2/dat.c:200
Code: 8b 34 24 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b8 54 03 00 e8 73 5a 6a fe e8 7e b6 f1 fd e9 b8 fc ff ff e8 64 5a 6a fe <0f> 0b e9 16 fc ff ff e8 58 5a 6a fe e8 63 b6 f1 fd e9 74 fe ff ff
RSP: 0018:ffffc9000468f820 EFLAGS: 00010283
RAX: ffffffff830ec6ac RBX: ffff888146a3f1a0 RCX: 0000000000080000
RDX: ffffc9000cf12000 RSI: 0000000000026fdb RDI: 0000000000026fdc
RBP: 0000000000000003 R08: ffff88802634e8d3 R09: 1ffff11004c69d1a
R10: dffffc0000000000 R11: ffffed1004c69d1b R12: ffff88807b8f5308
R13: ffff88801fbbd820 R14: 0000000006000002 R15: ffffc9000468f8d8
FS:  00007f965447c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f965626ff00 CR3: 000000006188e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_commit_end_ptr fs/nilfs2/bmap.h:219 [inline]
 nilfs_direct_delete+0x287/0x2e0 fs/nilfs2/direct.c:162
 nilfs_bmap_do_delete fs/nilfs2/bmap.c:184 [inline]
 nilfs_bmap_do_truncate fs/nilfs2/bmap.c:272 [inline]
 nilfs_bmap_truncate+0x2e6/0x560 fs/nilfs2/bmap.c:305
 nilfs_truncate_bmap+0x1ad/0x320 fs/nilfs2/inode.c:863
 nilfs_evict_inode+0x210/0x4b0 fs/nilfs2/inode.c:968
 evict+0x4c9/0x8d0 fs/inode.c:647
 do_unlinkat+0x3e7/0x710 fs/namei.c:4363
 __do_sys_unlinkat fs/namei.c:4399 [inline]
 __se_sys_unlinkat fs/namei.c:4392 [inline]
 __x64_sys_unlinkat+0xd1/0xe0 fs/namei.c:4392
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f9656222819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f965447c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007f965649bfa0 RCX: 00007f9656222819
RDX: 0000000000000000 RSI: 0000200000000180 RDI: ffffffffffffff9c
RBP: 00007f96562b8c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f965649c038 R14: 00007f965649bfa0 R15: 00007fff93129a88
 </TASK>