------------[ cut here ]------------ WARNING: CPU: 0 PID: 5326 at fs/buffer.c:1177 mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1177 Modules linked in: CPU: 0 UID: 0 PID: 5326 Comm: segctord Not tainted 6.12.0-rc1-syzkaller-00330-gfc20a3e57247 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1177 Code: 89 df e8 ae 83 db ff 48 8b 3b be 20 00 00 00 5b 41 5e 41 5f 5d e9 fb e8 fb ff e8 46 f5 74 ff e9 73 ff ff ff e8 3c f5 74 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 2e f5 74 ff 90 0f 0b 90 e9 88 fd ff ff RSP: 0000:ffffc90004217758 EFLAGS: 00010293 RAX: ffffffff821fe0e4 RBX: ffff888072631a01 RCX: ffff88802e783c00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff821fde41 R09: 1ffff1100e48de00 R10: dffffc0000000000 R11: ffffed100e48de01 R12: 1ffff1100e4c6423 R13: 1ffff1100e4c6425 R14: ffff88807246f000 R15: ffff888072632118 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff560d377d8 CR3: 000000007a348000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:2033 [inline] nilfs_segctor_do_construct+0x33e/0x6b90 fs/nilfs2/segment.c:2095 nilfs_segctor_construct+0x181/0x6b0 fs/nilfs2/segment.c:2479 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2587 [inline] nilfs_segctor_thread+0x69e/0xe80 fs/nilfs2/segment.c:2701 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244