------------[ cut here ]------------
ret == -ENOENT
WARNING: fs/nilfs2/ioctl.c:757 at nilfs_ioctl_prepare_clean_segments+0x7f7/0x810, CPU#1: syz.5.345/6915
Modules linked in:
CPU: 1 UID: 0 PID: 6915 Comm: syz.5.345 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:nilfs_ioctl_prepare_clean_segments+0x7f7/0x810
Code: fe e9 2e fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c0 fa ff ff 4c 89 f7 e8 84 34 66 fe e9 b3 fa ff ff e8 7a e7 fb fd 90 <0f> 0b 90 41 bf fe ff ff ff e9 e3 fe ff ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc900076df640 EFLAGS: 00010287
RAX: ffffffff83c91756 RBX: 00000000fffffffe RCX: 0000000000080000
RDX: ffffc90005b32000 RSI: 0000000000000d8a RDI: 0000000000000d8b
RBP: ffffc900076df730 R08: ffff8881ae7e8000 R09: 0000000000000002
R10: 00000000fffffffe R11: 0000000000000002 R12: dffffc0000000000
R13: ffff8881af9e1000 R14: ffff8881af9e11a8 R15: 000000000000000b
FS:  00007fcc30d9a6c0(0000) GS:ffff8882a9452000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed1dff8 CR3: 0000000172120000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 nilfs_clean_segments+0x185/0xa50
 nilfs_ioctl+0x2619/0x2780
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0x170/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc2ff9e019
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:00007fcc30d9a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcc30225fa0 RCX: 00007fcc2ff9e019
RDX: 0000200000000640 RSI: 0000000040786e88 RDI: 0000000000000004
RBP: 00007fcc3003500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcc30226038 R14: 00007fcc30225fa0 R15: 00007fff15068e98
 </TASK>
