------------[ cut here ]------------
WARNING: CPU: 0 PID: 6135 at arch/x86/kvm/../../../virt/kvm/dirty_ring.c:164 kvm_dirty_ring_push+0x3bf/0x490 arch/x86/kvm/../../../virt/kvm/dirty_ring.c:164
Modules linked in:
CPU: 0 PID: 6135 Comm: syz-executor.4 Not tainted 5.16.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_dirty_ring_push+0x3bf/0x490 arch/x86/kvm/../../../virt/kvm/dirty_ring.c:164
Code: 00 48 c7 c2 60 4b a2 89 be 7a 01 00 00 48 c7 c7 a0 4c a2 89 c6 05 96 16 72 0c 01 e8 2e 8d f6 07 e9 76 ff ff ff e8 b1 41 6d 00 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 04
RSP: 0018:ffffc900050af5b0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000800 RCX: ffffc900055a1000
RDX: 0000000000040000 RSI: ffffffff810a693f RDI: 0000000000000003
RBP: ffff88807dfb61c8 R08: 0000000000000800 R09: 0000000000000001
R10: ffffffff810a6623 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000800 R15: ffff88807dfb61d0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:00000000f5e63b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7047874 CR3: 0000000022194000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mark_page_dirty_in_slot arch/x86/kvm/../../../virt/kvm/kvm_main.c:3030 [inline]
 mark_page_dirty_in_slot arch/x86/kvm/../../../virt/kvm/kvm_main.c:3021 [inline]
 __kvm_write_guest_page+0x2e3/0x3b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2813
 kvm_vcpu_write_guest_page arch/x86/kvm/../../../virt/kvm/kvm_main.c:2831 [inline]
 kvm_vcpu_write_guest+0x88/0x120 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2865
 emulator_write_phys arch/x86/kvm/x86.c:6775 [inline]
 write_emulate+0x2f/0x70 arch/x86/kvm/x86.c:6815
 emulator_read_write_onepage+0x3bb/0xb30 arch/x86/kvm/x86.c:6883
 emulator_read_write+0x1c4/0x5a0 arch/x86/kvm/x86.c:6938
 segmented_write.isra.0+0xee/0x140 arch/x86/kvm/emulate.c:1391
 writeback+0x612/0x950 arch/x86/kvm/emulate.c:1753
 x86_emulate_insn+0x19f5/0x39c0 arch/x86/kvm/emulate.c:5626
 x86_emulate_instruction+0x714/0x1460 arch/x86/kvm/x86.c:8161
 handle_io arch/x86/kvm/vmx/vmx.c:4888 [inline]
 handle_io+0x11d/0x1d0 arch/x86/kvm/vmx/vmx.c:4876
 __vmx_handle_exit arch/x86/kvm/vmx/vmx.c:6017 [inline]
 vmx_handle_exit+0x4f7/0x18a0 arch/x86/kvm/vmx/vmx.c:6034
 vcpu_enter_guest+0x298a/0x4380 arch/x86/kvm/x86.c:9982
 vcpu_run arch/x86/kvm/x86.c:10049 [inline]
 kvm_arch_vcpu_ioctl_run+0x4fc/0x21a0 arch/x86/kvm/x86.c:10244
 kvm_vcpu_ioctl+0x570/0xf30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3727
 kvm_vcpu_compat_ioctl+0x1f0/0x3b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3927
 __do_compat_sys_ioctl+0x1c7/0x290 fs/ioctl.c:972
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6e69549
Code: 03 74 c0 01 10 05 03 74 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5e635fc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi