BUG: unable to handle kernel paging request at ffff888238222000
PGD de01067 P4D de01067 PUD 30063 PMD 1c7063 PTE 8000000200077000
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3211 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:48
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 <f3> aa c3 90 90 90 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb
RSP: 0000:ffff8882363df7a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888094ead8f8 RCX: 0000000000001000
RDX: 1ffff110129d5aef RSI: ffffea0008e08880 RDI: ffff888238222000
RBP: ffffea0008e08880 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10129d5b1f
R13: ffff888094eac540 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00005555561f6400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888238222000 CR3: 0000000000a48000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 clear_page arch/x86/include/asm/page_64.h:49 [inline]
 clear_highpage include/linux/highmem.h:190 [inline]
 prep_new_page mm/page_alloc.c:1949 [inline]
 get_page_from_freelist+0x1f22/0x4170 mm/page_alloc.c:3376
 __alloc_pages_nodemask+0x387/0x2890 mm/page_alloc.c:4399
 alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
 alloc_pages include/linux/gfp.h:532 [inline]
 pte_alloc_one+0x16/0x190 arch/x86/mm/pgtable.c:35
 __pte_alloc+0x21/0x340 mm/memory.c:665
 do_anonymous_page+0xff4/0x1be0 mm/memory.c:3282
 handle_pte_fault mm/memory.c:4173 [inline]
 __handle_mm_fault+0x227a/0x41c0 mm/memory.c:4299
 handle_mm_fault+0x436/0xb10 mm/memory.c:4336
 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x7fe9482fd07a
Code: 30 48 8b 34 24 48 85 f6 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fe 01 0f 85 a1 01 00 00 48 8b 44 24 10 8b 74 24 18 <89> 30 e9 d2 fc ff ff 48 8b 44 24 10 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007ffe50e9a6f0 EFLAGS: 00010246
RAX: 0000000020000100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: b3783505af765b79 RSI: 0000000000000001 RDI: 00005555561f62f0
RBP: 00007ffe50e9a7e8 R08: 0000000000000000 R09: 0000000000000000
R10: 001307fdfd35b942 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe50e9a9d0
Modules linked in:
CR2: ffff888238222000
---[ end trace a7882cec6ce0fa85 ]---
RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:48
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 <f3> aa c3 90 90 90 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb
RSP: 0000:ffff8882363df7a0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888094ead8f8 RCX: 0000000000001000
RDX: 1ffff110129d5aef RSI: ffffea0008e08880 RDI: ffff888238222000
RBP: ffffea0008e08880 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10129d5b1f
R13: ffff888094eac540 R14: dffffc0000000000 R15: dffffc0000000000
FS:  00005555561f6400(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff888238222000 CR3: 0000000000a48000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 47 18          	mov    %rax,0x18(%rdi)
   4:	48 89 47 20          	mov    %rax,0x20(%rdi)
   8:	48 89 47 28          	mov    %rax,0x28(%rdi)
   c:	48 89 47 30          	mov    %rax,0x30(%rdi)
  10:	48 89 47 38          	mov    %rax,0x38(%rdi)
  14:	48 8d 7f 40          	lea    0x40(%rdi),%rdi
  18:	75 d9                	jne    0xfffffff3
  1a:	90                   	nop
  1b:	c3                   	retq
  1c:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  23:	b9 00 10 00 00       	mov    $0x1000,%ecx
  28:	31 c0                	xor    %eax,%eax
* 2a:	f3 aa                	rep stos %al,%es:(%rdi) <-- trapping instruction
  2c:	c3                   	retq
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	41 57                	push   %r15
  35:	41 56                	push   %r14
  37:	41 55                	push   %r13
  39:	41 54                	push   %r12
  3b:	55                   	push   %rbp
  3c:	53                   	push   %rbx
  3d:	48 89 fb             	mov    %rdi,%rbx