------------[ 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.5.3281/17388
Modules linked in:
CPU: 0 UID: 0 PID: 17388 Comm: syz.5.3281 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__kvm_gpc_refresh+0x1510/0x1710 virt/kvm/pfncache.c:267
Code: c6 05 4b df 22 0f 01 48 c7 c7 6b a7 3f 8e be 44 04 00 00 48 c7 c2 40 42 02 8c e8 2b aa 62 00 e9 81 ee ff ff e8 01 02 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:ffffc900067571c0 EFLAGS: 00010287
RAX: ffffffff8140d07f RBX: ffff888000000000 RCX: 0000000000080000
RDX: ffffc900147fe000 RSI: 00000000000003b0 RDI: 00000000000003b1
RBP: ffffc90006757350 R08: ffffffff907a4e7f R09: 1ffffffff20f49cf
R10: dffffc0000000000 R11: fffffbfff20f49d0 R12: 1ffff92000ceae4c
R13: ffff88805730dd60 R14: ffff888000000000 R15: ffffffffffffff01
FS:  00007f234e0136c0(0000) GS:ffff888124cce000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3160fffc CR3: 0000000044ee8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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_hvm_evtchn_send+0x120/0x1e0 arch/x86/kvm/xen.c:2057
 kvm_arch_vm_ioctl+0xfad/0x1a10 arch/x86/kvm/x86.c:4639
 kvm_vm_ioctl+0x8f7/0xd30 virt/kvm/kvm_main.c:5400
 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: 0033:0x7f234d19e159
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:00007f234e013028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f234d426180 RCX: 00007f234d19e159
RDX: 0000200000000100 RSI: 00000000400caed0 RDI: 0000000000000009
RBP: 00007f234d23506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f234d426218 R14: 00007f234d426180 R15: 00007f234d54fa48
 </TASK>