------------[ cut here ]------------
WARNING: CPU: 1 PID: 12256 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x24c/0x2a0
Modules linked in:
CPU: 1 PID: 12256 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:nilfs_dat_prepare_end+0x24c/0x2a0 fs/nilfs2/dat.c:158
Code: e7 38 fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 73 e7 38 fe e8 3e e1 ac fd e9 5a ff ff ff e8 64 e7 38 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:ffffc90016f0f1d8 EFLAGS: 00010287
RAX: ffffffff8353b8ac RBX: 00000000fffffffe RCX: 0000000000040000
RDX: ffffc90004261000 RSI: 0000000000010e8d RDI: 0000000000010e8e
RBP: 1ffff92002de1e50 R08: ffffffff8353b825 R09: ffffffff8351f3eb
R10: 0000000000000002 R11: ffff888023778000 R12: ffffc90016f0f280
R13: ffff888033351af8 R14: ffffc90016f0f298 R15: dffffc0000000000
FS:  00007f7601ffd700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe9061a4718 CR3: 000000007da83000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_bmap_prepare_end_ptr fs/nilfs2/bmap.h:211 [inline]
 nilfs_direct_delete+0x17f/0x310 fs/nilfs2/direct.c:155
 nilfs_bmap_do_delete fs/nilfs2/bmap.c:176 [inline]
 nilfs_bmap_do_truncate fs/nilfs2/bmap.c:264 [inline]
 nilfs_bmap_truncate+0x300/0x560 fs/nilfs2/bmap.c:297
 nilfs_truncate_bmap+0x207/0x3d0 fs/nilfs2/inode.c:846
 nilfs_truncate+0x28f/0x500 fs/nilfs2/inode.c:876
 nilfs_setattr+0x21a/0x2c0 fs/nilfs2/inode.c:972
 notify_change+0xc8b/0xf40 fs/attr.c:482
 do_truncate+0x220/0x300 fs/open.c:66
 handle_truncate fs/namei.c:3219 [inline]
 do_open fs/namei.c:3564 [inline]
 path_openat+0x294e/0x3170 fs/namei.c:3715
 do_filp_open+0x234/0x490 fs/namei.c:3742
 do_sys_openat2+0x13f/0x500 fs/open.c:1312
 do_sys_open fs/open.c:1328 [inline]
 __do_sys_openat fs/open.c:1344 [inline]
 __se_sys_openat fs/open.c:1339 [inline]
 __x64_sys_openat+0x247/0x290 fs/open.c:1339
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f760128c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7601ffd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f76013abf80 RCX: 00007f760128c0f9
RDX: 0000000000141380 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007f76012e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000002e R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe6039865f R14: 00007f7601ffd300 R15: 0000000000022000
 </TASK>