------------[ cut here ]------------ WARNING: CPU: 1 PID: 5779 at fs/nilfs2/btree.c:2071 nilfs_btree_propagate+0xc72/0xde0 Modules linked in: CPU: 1 PID: 5779 Comm: segctord Not tainted 6.4.0-rc4-syzkaller-00031-g8b817fded42d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:nilfs_btree_propagate+0xc72/0xde0 fs/nilfs2/btree.c:2071 Code: 00 48 8b 44 24 08 49 8d 74 05 58 e8 98 64 ff ff 48 8b 6c 24 10 43 80 3c 27 00 0f 85 1a fe ff ff e9 1d fe ff ff e8 fe 6a 3e fe <0f> 0b e9 f2 f3 ff ff e8 f2 6a 3e fe 48 8b 1c 24 48 81 c3 d0 00 00 RSP: 0018:ffffc900034ef3c0 EFLAGS: 00010293 RAX: ffffffff834d1222 RBX: 0000000000000000 RCX: ffff88801fb78000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8b257cc8 R08: ffffffff834d060c R09: ffffed1006d2d597 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff11006d2d59f R14: 1ffff11006d2d596 R15: ffff88803696acb0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020040000 CR3: 0000000076390000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_bmap_propagate+0x71/0x120 fs/nilfs2/bmap.c:345 nilfs_collect_file_data+0x4d/0xc0 fs/nilfs2/segment.c:587 nilfs_segctor_apply_buffers+0x180/0x330 fs/nilfs2/segment.c:1039 nilfs_segctor_scan_file+0x285/0xa10 fs/nilfs2/segment.c:1078 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1197 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1524 [inline] nilfs_segctor_do_construct+0x1c74/0x6d30 fs/nilfs2/segment.c:2070 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