------------[ cut here ]------------ gfs2_meta_aops does not implement migrate_folio WARNING: CPU: 0 PID: 34 at mm/migrate.c:942 fallback_migrate_folio mm/migrate.c:942 [inline] WARNING: CPU: 0 PID: 34 at mm/migrate.c:942 move_to_new_folio+0x662/0x760 mm/migrate.c:996 Modules linked in: CPU: 0 UID: 0 PID: 34 Comm: kcompactd0 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:fallback_migrate_folio mm/migrate.c:942 [inline] RIP: 0010:move_to_new_folio+0x662/0x760 mm/migrate.c:996 Code: ff 0f b6 04 24 84 c0 0f 85 97 fc ff ff e8 16 0c 99 ff c6 05 40 03 6f 0e 01 90 48 c7 c7 c0 70 bd 8b 4c 89 ee e8 0f 06 58 ff 90 <0f> 0b 90 90 e9 71 fc ff ff e8 f0 0b 99 ff 48 c7 c6 20 71 bd 8b 48 RSP: 0018:ffffc90000aa7488 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffea00004a5740 RCX: ffffffff817ae1a8 RDX: ffff88801eaada00 RSI: ffffffff817ae1b5 RDI: 0000000000000001 RBP: ffff88802b0e1d08 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffea00010a5c00 R13: ffffffff8bfea8e0 R14: 0000000000000000 R15: ffffea00004a5758 FS: 0000000000000000(0000) GS:ffff88812471c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5e73ee5000 CR3: 0000000063fc8000 CR4: 0000000000350ef0 Call Trace: migrate_folio_move mm/migrate.c:1301 [inline] migrate_folios_move mm/migrate.c:1653 [inline] migrate_pages_batch+0x201d/0x31a0 mm/migrate.c:1900 migrate_pages_sync+0x12d/0x8a0 mm/migrate.c:1930 migrate_pages+0x1b67/0x23b0 mm/migrate.c:2039 compact_zone+0x2023/0x4760 mm/compaction.c:2683 compact_node+0x1a4/0x2d0 mm/compaction.c:2952 kcompactd+0x765/0xeb0 mm/compaction.c:3250 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245