------------[ cut here ]------------ WARNING: CPU: 0 PID: 13956 at fs/buffer.c:1130 mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1130 Modules linked in: CPU: 0 PID: 13956 Comm: segctord Not tainted 6.4.0-rc4-syzkaller-00265-g4ecd704a4c51 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1130 Code: e9 8f 77 8d ff e8 8a 77 8d ff 48 89 ef e8 b2 13 e8 ff 5b 5d e9 7b 77 8d ff e8 76 77 8d ff 0f 0b e9 10 fe ff ff e8 6a 77 8d ff <0f> 0b e9 b7 fc ff ff e8 5e 77 8d ff 0f 0b e9 d6 fc ff ff 48 89 df RSP: 0018:ffffc9000aabfb20 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88808182a910 RCX: 0000000000000000 RDX: ffff88802c079dc0 RSI: ffffffff81f6ced6 RDI: 0000000000000001 RBP: ffff888085d15a00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888085d15348 R14: ffff88808182a910 R15: ffff888085d15af8 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7cc0fad988 CR3: 000000003a959000 CR4: 0000000000350ef0 Call Trace: nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:1988 [inline] nilfs_segctor_do_construct+0x4bc/0x7200 fs/nilfs2/segment.c:2050 nilfs_segctor_construct+0x8e3/0xb30 fs/nilfs2/segment.c:2404 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2512 [inline] nilfs_segctor_thread+0x3c7/0xf30 fs/nilfs2/segment.c:2595 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308