------------[ 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+0x1510/0x1710 virt/kvm/pfncache.c:267, CPU#0: syz.0.0/5327
Modules linked in:
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 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+0x1510/0x1710 virt/kvm/pfncache.c:267
Code: c6 05 3b 14 23 0f 01 48 c7 c7 91 11 40 8e be 43 04 00 00 48 c7 c2 c0 42 02 8c e8 eb dd 62 00 e9 81 ee ff ff e8 11 49 87 00 90 <0f> 0b 90 bb ea ff ff ff 49 bf 00 00 00 00 00 fc ff df e9 4b f6 ff
RSP: 0018:ffffc9000e127360 EFLAGS: 00010283
RAX: ffffffff8140d4cf RBX: ffff888000000000 RCX: 0000000000100000
RDX: ffffc9000e9ca000 RSI: 000000000000036a RDI: 000000000000036b
RBP: ffffc9000e1274e8 R08: ffffffff907a897f R09: 1ffffffff20f512f
R10: dffffc0000000000 R11: fffffbfff20f5130 R12: 1ffff92001c24e80
R13: ffff88801d0c5b60 R14: ffff888000000000 R15: ffffffffffffff01
FS:  00007f450a61d6c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000001fa78000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xe1/0x110 virt/kvm/pfncache.c:382
 kvm_xen_set_evtchn+0x14f/0x220 arch/x86/kvm/xen.c:1966
 kvm_xen_inject_timer_irqs arch/x86/kvm/xen.c:117 [inline]
 kvm_xen_vcpu_get_attr+0x5b0/0xb20 arch/x86/kvm/xen.c:1258
 kvm_arch_vcpu_ioctl+0x1552/0x23a0 arch/x86/kvm/x86.c:3821
 kvm_vcpu_ioctl+0x7e3/0xfd0 virt/kvm/kvm_main.c:4676
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f450979e159
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:00007f450a61cfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f4509a25fa0 RCX: 00007f450979e159
RDX: 0000200000000200 RSI: 00000000c048aeca RDI: 0000000000000005
RBP: 00007f450983506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4509a26038 R14: 00007f4509a25fa0 R15: 00007ffd1d01d1e8
 </TASK>