------------[ cut here ]------------ gfs2_meta_aops does not implement migrate_folio WARNING: CPU: 0 PID: 30 at mm/migrate.c:957 fallback_migrate_folio mm/migrate.c:955 [inline] WARNING: CPU: 0 PID: 30 at mm/migrate.c:957 move_to_new_folio+0x696/0x7a0 mm/migrate.c:1009 Modules linked in: CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.15.0-syzkaller-01972-g914873bc7df9 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:fallback_migrate_folio mm/migrate.c:955 [inline] RIP: 0010:move_to_new_folio+0x696/0x7a0 mm/migrate.c:1009 Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 cf 56 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 40 9a 97 8b e8 3b 77 5f ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 82 76 RSP: 0018:ffffc90000517070 EFLAGS: 00010246 RAX: b88e8ac38fce6400 RBX: ffffea0000d62f40 RCX: ffff888030f50000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1100a33d9ca R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa644 R12: ffffea0001603b00 R13: ffff8880519ecd30 R14: ffffea0000d62f48 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88808d291000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f65a49f37b0 CR3: 000000004831a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: migrate_folio_move mm/migrate.c:1314 [inline] migrate_folios_move mm/migrate.c:1666 [inline] migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1913 migrate_pages_sync mm/migrate.c:1943 [inline] migrate_pages+0x1bcc/0x2930 mm/migrate.c:2052 compact_zone+0x23f4/0x4af0 mm/compaction.c:2689 compact_node+0x1d2/0x280 mm/compaction.c:2958 kcompactd+0xbc7/0x1290 mm/compaction.c:3256 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4e/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245