------------[ cut here ]------------
kvm_is_error_gpa(gpa) == kvm_is_error_hva(uhva)
WARNING: arch/x86/kvm/../../../virt/kvm/pfncache.c:267 at __kvm_gpc_refresh+0x1a98/0x22d0 virt/kvm/pfncache.c:267, CPU#1: syz.0.198/6513
Modules linked in:
CPU: 1 UID: 0 PID: 6513 Comm: syz.0.198 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__kvm_gpc_refresh+0x1a98/0x22d0 virt/kvm/pfncache.c:267
Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 31 07 00 00 48 8b 04 24 31 db 48 8b a8 08 01 00 00 e9 2b f6 ff ff e8 29 32 87 00 90 <0f> 0b 90 e9 55 f8 ff ff e8 1b 32 87 00 48 c7 c6 a0 b9 c2 8b 48 89
RSP: 0018:ffffc9000790f5b8 EFLAGS: 00010283
RAX: 0000000000000764 RBX: ffffffffffffffff RCX: ffffc900072f2000
RDX: 0000000000080000 RSI: ffffffff818332b7 RDI: ffff888033fb4a80
RBP: ffff888000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000001001
R13: ffff888000000001 R14: ffff888000000000 R15: ffffc9000790f7d8
FS:  00007fca64db06c0(0000) GS:ffff8880d5ed8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c39d141 CR3: 000000003deeb000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xc9/0x160 virt/kvm/pfncache.c:382
 kvm_xen_set_evtchn.part.0+0x168/0x230 arch/x86/kvm/xen.c:1945
 kvm_xen_set_evtchn arch/x86/kvm/xen.c:1907 [inline]
 kvm_xen_inject_timer_irqs+0x1e9/0x2b0 arch/x86/kvm/xen.c:118
 kvm_xen_vcpu_get_attr+0x933/0xa50 arch/x86/kvm/xen.c:1241
 kvm_arch_vcpu_ioctl+0x2ec2/0x57a0 arch/x86/kvm/x86.c:6601
 kvm_vcpu_ioctl+0x8a0/0x1700 virt/kvm/kvm_main.c:4647
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fca63f9e019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca64db0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca64225fa0 RCX: 00007fca63f9e019
RDX: 0000200000000200 RSI: 00000000c048aeca RDI: 0000000000000006
RBP: 00007fca6403500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca64226038 R14: 00007fca64225fa0 R15: 00007ffc67a379e8
 </TASK>