------------[ 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+0x154f/0x1750 virt/kvm/pfncache.c:267, CPU#0: syz.3.243/6724
Modules linked in:
CPU: 0 UID: 0 PID: 6724 Comm: syz.3.243 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__kvm_gpc_refresh+0x154f/0x1750 virt/kvm/pfncache.c:267
Code: c6 05 84 48 78 0e 01 48 c7 c7 12 4f 98 8d be 3c 04 00 00 48 c7 c2 e0 3f 62 8b e8 7c 0a 60 00 e9 3d ee ff ff e8 62 02 84 00 90 <0f> 0b 90 bb ea ff ff ff 49 bf 00 00 00 00 00 fc ff df e9 fa f5 ff
RSP: 0018:ffffc900080471c0 EFLAGS: 00010287
RAX: ffffffff814102be RBX: ffff888000000000 RCX: 0000000000080000
RDX: ffffc90012e2f000 RSI: 0000000000000464 RDI: 0000000000000465
RBP: ffffc90008047348 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f9ecff R12: 1ffff92001008e4c
R13: ffff888039725430 R14: ffff888000000000 R15: ffffffffffffff01
FS:  00007fe7176d46c0(0000) GS:ffff888125a5b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7176d3ff8 CR3: 000000003e7fe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xe4/0x120 virt/kvm/pfncache.c:382
 kvm_xen_set_evtchn+0x163/0x230 arch/x86/kvm/xen.c:1942
 kvm_xen_hvm_evtchn_send+0x120/0x1e0 arch/x86/kvm/xen.c:2033
 kvm_arch_vm_ioctl+0xfb7/0x1a20 arch/x86/kvm/x86.c:7537
 kvm_vm_ioctl+0x908/0xd50 virt/kvm/kvm_main.c:5380
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe7194bcdd9
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:00007fe7176d4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe719736180 RCX: 00007fe7194bcdd9
RDX: 0000200000000980 RSI: 00000000400caed0 RDI: 0000000000000009
RBP: 00007fe719552d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe719736218 R14: 00007fe719736180 R15: 00007fff9ee87df8
 </TASK>