------------[ cut here ]------------
WARNING: CPU: 1 PID: 4625 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x59c/0x6a0
Modules linked in:
CPU: 1 PID: 4625 Comm: syz.4.102 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:nilfs_dat_commit_end+0x59c/0x6a0 fs/nilfs2/dat.c:200
Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 86 03 00 e8 33 af 59 fe e8 2e c8 d9 fd e9 d8 fc ff ff e8 24 af 59 fe <0f> 0b e9 39 fc ff ff e8 18 af 59 fe e8 13 c8 d9 fd 43 80 7c 35 00
RSP: 0018:ffffc90002e17170 EFLAGS: 00010283
RAX: ffffffff8326c47c RBX: ffff888023d211a0 RCX: 0000000000040000
RDX: ffffc9000bd89000 RSI: 000000000001966a RDI: 000000000001966b
RBP: 0000000000000003 R08: ffffffff8326c0ae R09: ffffed100ca5689b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888063ed9980
R13: 1ffff1100f340d36 R14: 0000000009000002 R15: ffff88802bf95308
FS:  00007fa1ac60d6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3051fffc CR3: 0000000057b7e000 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_btree_commit_delete fs/nilfs2/btree.c:1577 [inline]
 nilfs_btree_delete+0xef0/0x11b0 fs/nilfs2/btree.c:1608
 nilfs_bmap_do_delete fs/nilfs2/bmap.c:184 [inline]
 nilfs_bmap_do_truncate fs/nilfs2/bmap.c:272 [inline]
 nilfs_bmap_truncate+0x2fc/0x560 fs/nilfs2/bmap.c:305
 nilfs_truncate_bmap+0x203/0x3c0 fs/nilfs2/inode.c:850
 nilfs_truncate+0x28b/0x500 fs/nilfs2/inode.c:880
 nilfs_setattr+0x216/0x2c0 fs/nilfs2/inode.c:994
 notify_change+0xc6d/0xf50 fs/attr.c:505
 do_truncate+0x21c/0x300 fs/open.c:65
 handle_truncate fs/namei.c:3265 [inline]
 do_open fs/namei.c:3612 [inline]
 path_openat+0x28a3/0x2f20 fs/namei.c:3742
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_creat fs/open.c:1345 [inline]
 __se_sys_creat fs/open.c:1339 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1339
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa1ae195759
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa1ac60d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fa1ae34cf80 RCX: 00007fa1ae195759
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0
RBP: 00007fa1ae20875e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa1ae34cf80 R15: 00007ffe64697bf8
 </TASK>