loop0: detected capacity change from 0 to 4096
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3502 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x248/0x2a0
Modules linked in:
CPU: 1 PID: 3502 Comm: syz-executor229 Not tainted 5.15.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:nilfs_dat_prepare_end+0x248/0x2a0 fs/nilfs2/dat.c:158
Code: ac 5b fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 67 ac 5b fe e8 62 16 dc fd e9 5a ff ff ff e8 58 ac 5b 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:ffffc900011df1f8 EFLAGS: 00010293
RAX: ffffffff83247108 RBX: 00000000fffffffe RCX: ffff888079573b80
RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe
RBP: 1ffff9200023be54 R08: ffffffff83247081 R09: ffffffff8322a1c0
R10: 0000000000000002 R11: ffff888079573b80 R12: ffffc900011df2a0
R13: ffff8880751f8158 R14: ffffc900011df2b8 R15: dffffc0000000000
FS:  00005555574d5380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c04be4dc70 CR3: 0000000075e6a000 CR4: 00000000003506f0
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+0x17b/0x300 fs/nilfs2/direct.c:155
 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+0xd4d/0x1000 fs/attr.c:489
 do_truncate+0x21c/0x300 fs/open.c:65
 handle_truncate fs/namei.c:3195 [inline]
 do_open fs/namei.c:3542 [inline]
 path_openat+0x28a0/0x2f20 fs/namei.c:3672
 do_filp_open+0x21c/0x460 fs/namei.c:3699
 do_sys_openat2+0x13b/0x500 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_creat fs/open.c:1301 [inline]
 __se_sys_creat fs/open.c:1295 [inline]
 __x64_sys_creat+0x11f/0x160 fs/open.c:1295
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7ba6ab65f9
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:00007ffcae88be48 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7ba6ab65f9
RDX: 00007f7ba6ab58f0 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 00007f7ba6b2a610 R08: 0000000000000f07 R09: 0000000000000000
R10: 00007ffcae88bd10 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcae88c018 R14: 0000000000000001 R15: 0000000000000001
 </TASK>