NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
------------[ cut here ]------------
WARNING: CPU: 3 PID: 22622 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x53a/0x6c0 fs/nilfs2/sufile.c:539
Modules linked in:
CPU: 3 PID: 22622 Comm: segctord Not tainted 6.6.0-rc1-syzkaller-00196-g57d88e8a5974 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:nilfs_sufile_set_segment_usage+0x53a/0x6c0 fs/nilfs2/sufile.c:539
Code: 4e 48 fe 48 8b 6c 24 48 48 85 ed 0f 85 5b ff ff ff e9 63 ff ff ff e8 d5 4e 48 fe e8 30 02 c1 fd e9 db fe ff ff e8 c6 4e 48 fe <0f> 0b e9 04 fe ff ff e8 ca 13 9e fe e9 b1 fb ff ff e8 c0 13 9e fe
RSP: 0018:ffffc9000da77970 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801c7d6e40 RCX: 0000000000000000
RDX: ffff88801bea2400 RSI: ffffffff833f7fca RDI: 0000000000000005
RBP: ffff88806bd6d050 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000004 R11: ffff88801c726d08 R12: 0000000000000000
R13: 1ffff92001b4ef33 R14: ffff88801c7d72c8 R15: 0000000065061bcf
FS:  0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb06fee2650 CR3: 000000002126e000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 nilfs_segctor_update_segusage fs/nilfs2/segment.c:1478 [inline]
 nilfs_segctor_do_construct+0x1d94/0x8bf0 fs/nilfs2/segment.c:2108
 nilfs_segctor_construct+0x924/0xb50 fs/nilfs2/segment.c:2416
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2524 [inline]
 nilfs_segctor_thread+0x38f/0xe90 fs/nilfs2/segment.c:2607
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>