NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 1 PID: 15223 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x501/0x5f0 Modules linked in: CPU: 1 PID: 15223 Comm: segctord Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:nilfs_sufile_set_segment_usage+0x501/0x5f0 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 df 5b 3a fe <0f> 0b e9 0f fe ff ff e8 d3 5b 3a fe e8 4e 71 af fd e9 be fe ff ff RSP: 0018:ffffc90004957600 EFLAGS: 00010293 RAX: ffffffff835123c1 RBX: 0000000000000004 RCX: ffff88803b039dc0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffffc900049576f0 R08: ffffffff835121c4 R09: ffffffff834c539b R10: 0000000000000002 R11: ffff88803b039dc0 R12: dffffc0000000000 R13: ffff88807785c000 R14: ffff88803ce5f2c8 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3b24d8000 CR3: 000000002b12a000 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+0x48af/0x6d30 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+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