------------[ cut here ]------------
WARNING: CPU: 1 PID: 4815 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x5ac/0x6b0 fs/nilfs2/dat.c:200
Modules linked in:
CPU: 1 PID: 4815 Comm: syz.0.144 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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 23 3b 65 fe e8 7e bb ec fd e9 b8 fc ff ff e8 14 3b 65 fe <0f> 0b e9 16 fc ff ff e8 08 3b 65 fe e8 63 bb ec fd e9 74 fe ff ff
RSP: 0018:ffffc900037af2a0 EFLAGS: 00010283
RAX: ffffffff8313c19c RBX: ffff888073e6e1a0 RCX: 0000000000080000
RDX: ffffc90005681000 RSI: 0000000000024431 RDI: 0000000000024432
RBP: 0000000000000003 R08: ffff88805e6414d3 R09: 1ffff1100bcc829a
R10: dffffc0000000000 R11: ffffed100bcc829b R12: ffff88807cf9f0c8
R13: ffff888072969820 R14: 0000000006000002 R15: ffffc900037af358
FS:  00007f96124be6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4e365befe8 CR3: 0000000068e5a000 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+0x289/0x2e0 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+0x2ef/0x570 fs/nilfs2/bmap.c:305
 nilfs_truncate_bmap+0x1b3/0x330 fs/nilfs2/inode.c:863
 nilfs_truncate+0x248/0x4a0 fs/nilfs2/inode.c:893
 nilfs_setattr+0x207/0x2c0 fs/nilfs2/inode.c:1007
 notify_change+0xbc6/0xee0 fs/attr.c:505
 do_truncate+0x1ac/0x240 fs/open.c:65
 handle_truncate fs/namei.c:3273 [inline]
 do_open fs/namei.c:3620 [inline]
 path_openat+0x293b/0x2fb0 fs/namei.c:3750
 do_filp_open+0x1df/0x400 fs/namei.c:3777
 do_sys_openat2+0x14b/0x500 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 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: 0033:0x7f96142660d9
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:00007f96124be028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f96144edfa0 RCX: 00007f96142660d9
RDX: 0000000003002a8d RSI: 0000200000000a80 RDI: ffffffffffffff9c
RBP: 00007f96142fd024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f96144ee038 R14: 00007f96144edfa0 R15: 00007fff38cb4198
 </TASK>