getname_flags.part.0+0x4c/0x550 fs/namei.c:139 getname_flags include/linux/audit.h:322 [inline] getname fs/namei.c:225 [inline] __do_sys_unlink fs/namei.c:4581 [inline] __se_sys_unlink fs/namei.c:4579 [inline] __x64_sys_unlink+0xb0/0x110 fs/namei.c:4579 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/z3fold.c:1293! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 45 Comm: kcompactd1 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:z3fold_page_migrate+0xea1/0x12d0 mm/z3fold.c:1293 Code: bd 93 ff 48 c7 c6 60 4c 5d 8b 48 89 ef e8 c7 6b d9 ff 90 0f 0b e8 ff bc 93 ff 48 c7 c6 c0 4c 5d 8b 48 89 ef e8 b0 6b d9 ff 90 <0f> 0b e8 e8 bc 93 ff 49 8b 6c 24 08 31 ff 48 89 eb 83 e3 01 48 89 RSP: 0018:ffffc900006bf480 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801e802440 RSI: ffffffff81f8fce0 RDI: ffff88801e802884 RBP: ffffea0001460180 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff901ce54f R11: 0000000000000000 R12: ffffea0001a8adc0 R13: ffffffff8b5d54a0 R14: ffffea00014601a8 R15: ffffea0001460198 FS: 0000000000000000(0000) GS:ffff88802b400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000003241fffc CR3: 000000002265c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000f010e DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: move_to_new_folio+0x449/0x700 mm/migrate.c:1077 migrate_folio_move mm/migrate.c:1366 [inline] migrate_pages_batch+0x206a/0x31b0 mm/migrate.c:1897 migrate_pages_sync+0x4c9/0x8f0 mm/migrate.c:1990 migrate_pages+0x19ee/0x21f0 mm/migrate.c:2072 compact_zone+0x1f68/0x4280 mm/compaction.c:2641 compact_node+0x1a2/0x2d0 mm/compaction.c:2910 kcompactd+0x76e/0xde0 mm/compaction.c:3208 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:z3fold_page_migrate+0xea1/0x12d0 mm/z3fold.c:1293 Code: bd 93 ff 48 c7 c6 60 4c 5d 8b 48 89 ef e8 c7 6b d9 ff 90 0f 0b e8 ff bc 93 ff 48 c7 c6 c0 4c 5d 8b 48 89 ef e8 b0 6b d9 ff 90 <0f> 0b e8 e8 bc 93 ff 49 8b 6c 24 08 31 ff 48 89 eb 83 e3 01 48 89 RSP: 0018:ffffc900006bf480 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801e802440 RSI: ffffffff81f8fce0 RDI: ffff88801e802884 RBP: ffffea0001460180 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff901ce54f R11: 0000000000000000 R12: ffffea0001a8adc0 R13: ffffffff8b5d54a0 R14: ffffea00014601a8 R15: ffffea0001460198 FS: 0000000000000000(0000) GS:ffff88802b400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000003241fffc CR3: 000000002265c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000f010e DR6: 00000000ffff0ff0 DR7: 0000000000000400