RDX: 0000000001000004 RSI: 0000000004008031 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:87!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 17132 Comm: syz.3.1855 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:page_table_check_clear+0x3a5/0x550 mm/page_table_check.c:87
Code: 4a fd ff ff e8 2c 5e 89 ff 90 0f 0b e8 24 5e 89 ff 90 0f 0b e8 1c 5e 89 ff 90 0f 0b e8 14 5e 89 ff 90 0f 0b e8 0c 5e 89 ff 90 <0f> 0b f3 0f 1e fa 4c 89 fe 48 81 e6 c0 0f 00 00 31 ff e8 d4 62 89
RSP: 0018:ffffc90004357180 EFLAGS: 00010293
RAX: ffffffff820b79d4 RBX: ffff88801ddea098 RCX: ffff888027958000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff820b78a5 R09: 1ffff11003bbd413
R10: dffffc0000000000 R11: ffffed1003bbd414 R12: ffff88801ddea09c
R13: ffff88801ddea050 R14: 1ffffffff34881b4 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8600000(0063) knlGS:00000000f56a5b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006bf12000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_table_check_pmd_clear include/linux/page_table_check.h:57 [inline]
 pmdp_huge_get_and_clear arch/x86/include/asm/pgtable.h:1390 [inline]
 pmdp_huge_get_and_clear_full include/linux/pgtable.h:636 [inline]
 zap_huge_pmd+0x940/0xc40 mm/huge_memory.c:2060
 zap_pmd_range mm/memory.c:1719 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x762/0x40e0 mm/memory.c:1810
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1900
 unmap_region+0x214/0x380 mm/vma.c:354
 mmap_region+0x23fa/0x2a30 mm/mmap.c:1583
 do_mmap+0x8f0/0x1000 mm/mmap.c:496
 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f41579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f56a556c EFLAGS: 00000206 ORIG_RAX: 00000000000000c0
RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000b36000
RDX: 0000000001000004 RSI: 0000000004008031 RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:page_table_check_clear+0x3a5/0x550 mm/page_table_check.c:87
Code: 4a fd ff ff e8 2c 5e 89 ff 90 0f 0b e8 24 5e 89 ff 90 0f 0b e8 1c 5e 89 ff 90 0f 0b e8 14 5e 89 ff 90 0f 0b e8 0c 5e 89 ff 90 <0f> 0b f3 0f 1e fa 4c 89 fe 48 81 e6 c0 0f 00 00 31 ff e8 d4 62 89
RSP: 0018:ffffc90004357180 EFLAGS: 00010293
RAX: ffffffff820b79d4 RBX: ffff88801ddea098 RCX: ffff888027958000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffffffff820b78a5 R09: 1ffff11003bbd413
R10: dffffc0000000000 R11: ffffed1003bbd414 R12: ffff88801ddea09c
R13: ffff88801ddea050 R14: 1ffffffff34881b4 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8600000(0063) knlGS:00000000f56a5b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006bf12000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop