[syzbot] [nilfs?] WARNING in nilfs_segctor_do_construct (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    9a48d6046722 x86/retbleed: Fix return thunk alignment
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=121a54ba280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=38526bf24c8d961b
dashboard link: https://syzkaller.appspot.com/bug?extid=33494cd0df2ec2931851
compiler:       Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1438dcc6280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=124666a2280000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9151d600da35/disk-9a48d604.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/895748ad0a36/vmlinux-9a48d604.xz
kernel image: https://storage.googleapis.com/syzbot-assets/826ceb18c361/bzImage-9a48d604.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/32bae60be5eb/mount_0.gz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+33494cd0df2ec2931851@xxxxxxxxxxxxxxxxxxxxxxxxx

NILFS (loop1): nilfs_sufile_update: invalid segment number: 52
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5017 at fs/nilfs2/segment.c:1503 nilfs_segctor_collect fs/nilfs2/segment.c:1556 [inline]
WARNING: CPU: 0 PID: 5017 at fs/nilfs2/segment.c:1503 nilfs_segctor_do_construct+0x31e7/0x6d30 fs/nilfs2/segment.c:2070
Modules linked in:

CPU: 0 PID: 5017 Comm: segctord Not tainted 6.4.0-rc1-syzkaller-00133-g9a48d6046722 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:nilfs_segctor_truncate_segments fs/nilfs2/segment.c:1503 [inline]
RIP: 0010:nilfs_segctor_collect fs/nilfs2/segment.c:1556 [inline]
RIP: 0010:nilfs_segctor_do_construct+0x31e7/0x6d30 fs/nilfs2/segment.c:2070
Code: ff df 80 3c 08 00 74 08 4c 89 ef e8 03 fb 93 fe 4d 8b 6d 00 4c 3b 6c 24 50 74 31 e8 13 2d 3c fe e9 39 ff ff ff e8 09 2d 3c fe <0f> 0b eb c3 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 44 ff ff ff 4c
RSP: 0018:ffffc90003b7f700 EFLAGS: 00010293

RAX: ffffffff834f3a37 RBX: 00000000ffffffea RCX: ffff888027728000
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc90003b7fc30 R08: ffffffff834f39f5 R09: fffff5200076fe51
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010
R13: ffff888076756dc8 R14: dffffc0000000000 R15: ffff8880765d4e38
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020074000 CR3: 0000000029d7c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2404
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline]
 nilfs_segctor_thread+0x53a/0x1140 fs/nilfs2/segment.c:2595
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>


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