NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28697 at fs/nilfs2/sufile.c:531 nilfs_sufile_set_segment_usage+0x4d8/0x5c0 Modules linked in: CPU: 0 PID: 28697 Comm: segctord Not tainted 6.1.0-rc5-syzkaller-00307-gfe24a97cf254 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:nilfs_sufile_set_segment_usage+0x4d8/0x5c0 fs/nilfs2/sufile.c:531 Code: 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 fa 00 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 58 53 37 fe <0f> 0b e9 1a fe ff ff e8 4c 53 37 fe e8 d7 45 ad fd e9 ca fe ff ff RSP: 0000:ffffc900067c75c0 EFLAGS: 00010293 RAX: ffffffff835344f8 RBX: 0000000000000004 RCX: ffff888027a70000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffffc900067c76b0 R08: ffffffff83534301 R09: ffffffff834e8b83 R10: 0000000000000002 R11: ffff888027a70000 R12: 0000000000000050 R13: ffff888078270000 R14: 1ffff92000cf8ec4 R15: ffff8880a3d2d4a0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555571c6848 CR3: 000000007dfc3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_update_segusage fs/nilfs2/segment.c:1447 [inline] nilfs_segctor_do_construct+0x49ca/0x6f80 fs/nilfs2/segment.c:2071 nilfs_segctor_construct+0x143/0x8d0 fs/nilfs2/segment.c:2379 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline] nilfs_segctor_thread+0x59e/0x11c0 fs/nilfs2/segment.c:2570 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306