------------[ cut here ]------------ WARNING: CPU: 1 PID: 1710 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x501/0x5f0 Modules linked in: CPU: 1 PID: 1710 Comm: segctord Not tainted 6.3.0-rc2-syzkaller-00387-g534293368afa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 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 0f 99 3d fe <0f> 0b e9 0f fe ff ff e8 03 99 3d fe e8 5e c0 b3 fd e9 be fe ff ff RSP: 0018:ffffc90006e27600 EFLAGS: 00010293 RAX: ffffffff834cd411 RBX: 0000000000000004 RCX: ffff8880216a57c0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffffc90006e276f0 R08: ffffffff834cd214 R09: ffffffff8348065b R10: 0000000000000002 R11: ffff8880216a57c0 R12: dffffc0000000000 R13: ffff88802917f000 R14: ffff88802fdc6c60 R15: 0000000000000060 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faec8173000 CR3: 000000005a135000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_update_segusage fs/nilfs2/segment.c:1449 [inline] nilfs_segctor_do_construct+0x4b09/0x6f70 fs/nilfs2/segment.c:2073 nilfs_segctor_construct+0x145/0x8c0 fs/nilfs2/segment.c:2381 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2489 [inline] nilfs_segctor_thread+0x53a/0x1140 fs/nilfs2/segment.c:2572 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308