------------[ cut here ]------------ gfs2_meta_aops does not implement migrate_folio WARNING: CPU: 0 PID: 34 at mm/migrate.c:944 fallback_migrate_folio mm/migrate.c:942 [inline] WARNING: CPU: 0 PID: 34 at mm/migrate.c:944 move_to_new_folio+0x696/0x7a0 mm/migrate.c:996 Modules linked in: CPU: 0 UID: 0 PID: 34 Comm: kcompactd0 Not tainted 6.16.0-rc6-syzkaller-00281-gf4a40a4282f4 #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+0x696/0x7a0 mm/migrate.c:996 Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 2f 53 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 a0 a9 97 8b e8 7b 30 60 ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 c2 41 RSP: 0018:ffffc90000aa71d0 EFLAGS: 00010246 RAX: 75b40b6a5f664b00 RBX: ffffea0001304100 RCX: ffff88801feb9e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1102a4f2b1c R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa6c R12: ffffea0001dd6d80 R13: ffff8881527957c0 R14: ffffea0001304108 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888125c23000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000002a2030 CR3: 000000005777d000 CR4: 0000000000350ef0 Call Trace: migrate_folio_move mm/migrate.c:1301 [inline] migrate_folios_move mm/migrate.c:1653 [inline] migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1900 migrate_pages_sync mm/migrate.c:1930 [inline] migrate_pages+0x1bcc/0x2930 mm/migrate.c:2039 compact_zone+0x23f4/0x4ad0 mm/compaction.c:2683 kcompactd_do_work mm/compaction.c:3134 [inline] kcompactd+0x97d/0x1290 mm/compaction.c:3228 kthread+0x711/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245