NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5422 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x4fd/0x5e0 Modules linked in: CPU: 1 PID: 5422 Comm: segctord Not tainted 6.4.0-rc1-syzkaller-00026-g80e62bc8487b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:nilfs_sufile_set_segment_usage+0x4fd/0x5e0 fs/nilfs2/sufile.c:539 Code: 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 f3 00 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 33 74 3a fe <0f> 0b e9 0f fe ff ff e8 27 74 3a fe e8 92 60 b0 fd e9 be fe ff ff RSP: 0018:ffffc900053b7600 EFLAGS: 00010293 RAX: ffffffff835028fd RBX: 0000000000000004 RCX: ffff8880183d3b80 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffffc900053b76f0 R08: ffffffff83502700 R09: ffffffff834b5fc7 R10: 0000000000000002 R11: ffff8880183d3b80 R12: dffffc0000000000 R13: ffff888020ddf000 R14: ffff888078ba25e8 R15: 0000000000000060 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc1148f0a0 CR3: 000000000cf2f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_update_segusage fs/nilfs2/segment.c:1468 [inline] nilfs_segctor_do_construct+0x4840/0x6cc0 fs/nilfs2/segment.c:2096 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2404 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline] nilfs_segctor_thread+0x536/0x1130 fs/nilfs2/segment.c:2595 kthread+0x2aa/0x340 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308