NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3610 at fs/nilfs2/sufile.c:531 nilfs_sufile_set_segment_usage+0x518/0x6a0 fs/nilfs2/sufile.c:531 Modules linked in: CPU: 0 PID: 3610 Comm: segctord Not tainted 6.1.0-rc1-next-20221021-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:nilfs_sufile_set_segment_usage+0x518/0x6a0 fs/nilfs2/sufile.c:531 Code: 3b 54 fe 48 8b 6c 24 48 48 85 ed 0f 85 5b ff ff ff e9 63 ff ff ff e8 77 3b 54 fe e8 b2 1d d8 fd e9 db fe ff ff e8 68 3b 54 fe <0f> 0b e9 0d fe ff ff e8 3c c8 a0 fe e9 c6 fb ff ff e8 32 c8 a0 fe RSP: 0018:ffffc90003cafa80 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880700b2160 RCX: 0000000000000000 RDX: ffff888079dbba80 RSI: ffffffff832859c8 RDI: 0000000000000005 RBP: ffff88807c049050 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff92000795f55 R14: ffff8880700b25e8 R15: 00000000635f9c53 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb993ba91d0 CR3: 000000000ba8e000 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+0x1f78/0x6af0 fs/nilfs2/segment.c:2071 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2379 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2487 [inline] nilfs_segctor_thread+0x3c3/0xf30 fs/nilfs2/segment.c:2570 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308