Oops: general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]
CPU: 1 UID: 0 PID: 43 Comm: kcompactd0 Not tainted 6.12.0-rc5-syzkaller-00047-g4236f913808c #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:move_to_new_folio+0x1ae/0x700 mm/migrate.c:1050
Code: 48 c1 ea 03 80 3c 02 00 0f 85 d2 03 00 00 4c 8b ad 20 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b6 03 00 00 4d 8b 6d 60 4d 85 ed 0f 84 d9 00 00
RSP: 0018:ffffc900009b74e8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffea0000817380 RCX: ffffffff81f01a02
RDX: 000000000000000c RSI: ffffffff81f01a10 RDI: 0000000000000060
RBP: ffff888024bb6598 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00015869c0
R13: 0000000000000000 R14: 0000000000000000 R15: ffffea0000817398
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c27a0c6 CR3: 000000000df7c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 migrate_folio_move mm/migrate.c:1366 [inline]
 migrate_pages_batch+0x206a/0x31b0 mm/migrate.c:1897
 migrate_pages_sync+0x131/0x910 mm/migrate.c:1963
 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
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:move_to_new_folio+0x1ae/0x700 mm/migrate.c:1050
Code: 48 c1 ea 03 80 3c 02 00 0f 85 d2 03 00 00 4c 8b ad 20 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b6 03 00 00 4d 8b 6d 60 4d 85 ed 0f 84 d9 00 00
RSP: 0018:ffffc900009b74e8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffffea0000817380 RCX: ffffffff81f01a02
RDX: 000000000000000c RSI: ffffffff81f01a10 RDI: 0000000000000060
RBP: ffff888024bb6598 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00015869c0
R13: 0000000000000000 R14: 0000000000000000 R15: ffffea0000817398
FS:  0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcf9259fc0 CR3: 0000000060a5e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 85 d2 03 00 00    	jne    0x3e0
   e:	4c 8b ad 20 01 00 00 	mov    0x120(%rbp),%r13
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	49 8d 7d 60          	lea    0x60(%r13),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 b6 03 00 00    	jne    0x3ea
  34:	4d 8b 6d 60          	mov    0x60(%r13),%r13
  38:	4d 85 ed             	test   %r13,%r13
  3b:	0f                   	.byte 0xf
  3c:	84 d9                	test   %bl,%cl