syzbot

loop0: detected capacity change from 0 to 2048
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3563 at fs/nilfs2/dat.c:200 nilfs_dat_commit_end+0x59c/0x6a0
Modules linked in:
CPU: 1 PID: 3563 Comm: syz-executor798 Not tainted 5.15.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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 18 82 03 00 e8 63 d5 59 fe e8 9e 00 da fd e9 d8 fc ff ff e8 54 d5 59 fe <0f> 0b e9 39 fc ff ff e8 48 d5 59 fe e8 83 00 da fd 43 80 7c 35 00
RSP: 0018:ffffc90002567170 EFLAGS: 00010293
RAX: ffffffff83268c0c RBX: ffff88814ae521a0 RCX: ffff88801fd51dc0
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000200000002
RBP: 0000000000000003 R08: ffffffff8326883e R09: ffffed100f4de71b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888022b3a9a0
R13: 1ffff1100f2e0886 R14: 0000000200000002 R15: ffff88801fd53548
FS:  00005555564da380(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd076c6e78 CR3: 000000007acf9000 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:1576 [inline]
 nilfs_btree_delete+0xef0/0x11b0 fs/nilfs2/btree.c:1607
 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:1343 [inline]
 __se_sys_creat fs/open.c:1337 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1337
 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: 0033:0x7f9574b10639
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffc4d095628 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ffc4d095808 RCX: 00007f9574b10639
RDX: 00007f9574b0f930 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f9574b84610 R08: 0000000000000a29 R09: 0000000000000000
R10: 00007ffc4d0954f0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc4d0957f8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>