------------[ cut here ]------------
WARNING: CPU: 0 PID: 5252 at mm/hugetlb.c:6947 hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947
Modules linked in:
CPU: 0 PID: 5252 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hugetlb_change_protection+0x1195/0x1e20 mm/hugetlb.c:6947
Code: e6 09 48 b8 00 fe ff ff ff ff ff 07 49 21 c6 49 09 de 48 b8 00 00 00 00 00 00 00 c0 49 09 c6 48 ff 44 24 78 e9 97 00 00 00 90 <0f> 0b 90 48 83 bc 24 90 00 00 00 00 4c 8b 6c 24 28 4c 8b 74 24 08
RSP: 0018:ffffc900120a7560 EFLAGS: 00010212
RAX: 0000000000000002 RBX: f7ffffffffffffff RCX: ffff888064a30000
RDX: ffff888064a30000 RSI: fffffffffffffa00 RDI: f7ffffffffffffff
RBP: ffffc900120a7810 R08: ffffffff81f379ee R09: 1ffffd40003e3cbe
R10: dffffc0000000000 R11: fffff940003e3cbf R12: dffffc0000000000
R13: fffffffffffffa00 R14: 000000000000001e R15: ffff88807c797810
FS:  0000000000000000(0000) GS:ffff8880b9400000(0063) knlGS:00000000f5e78b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 000000001f408000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 change_protection+0x361/0x35f0 mm/mprotect.c:537
 mprotect_fixup+0x883/0xb80 mm/mprotect.c:653
 do_mprotect_pkey+0x903/0xe20 mm/mprotect.c:809
 __do_sys_mprotect mm/mprotect.c:830 [inline]
 __se_sys_mprotect mm/mprotect.c:827 [inline]
 __ia32_sys_mprotect+0x7f/0x90 mm/mprotect.c:827
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xbe/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x7a/0x84
RIP: 0023:0xf727e579
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:00000000f5e785ac EFLAGS: 00000206 ORIG_RAX: 000000000000007d
RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000800000
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
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