------------[ 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: kworker/0:6/16243
Modules linked in:
CPU: 0 UID: 0 PID: 16243 Comm: kworker/0:6 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: events irqfd_inject
RIP: 0010:__kvm_gpc_refresh+0x1510/0x1710 virt/kvm/pfncache.c:267
Code: c6 05 f3 08 dc 0e 01 48 c7 c7 98 9f fc 8d be 3c 04 00 00 48 c7 c2 80 3f c2 8b e8 ab ab 61 00 e9 81 ee ff ff e8 31 b0 85 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:ffffc9000d537680 EFLAGS: 00010293
RAX: ffffffff8140b18f RBX: ffff888000000000 RCX: ffff888032dfbe00
RDX: 0000000000000000 RSI: ffff888000000000 RDI: ffff888000000000
RBP: ffffc9000d537818 R08: ffffffff9032f8f7 R09: 1ffffffff2065f1e
R10: dffffc0000000000 R11: fffffbfff2065f1f R12: 1ffff92001aa6ee4
R13: ffff88805e561320 R14: ffff888000000000 R15: ffffffffffffff01
FS:  0000000000000000(0000) GS:ffff888125220000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000335fc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xe1/0x110 virt/kvm/pfncache.c:382
 kvm_xen_set_evtchn+0x14f/0x220 arch/x86/kvm/xen.c:1945
 kvm_set_irq+0x2c2/0x5b0 virt/kvm/irqchip.c:88
 irqfd_inject+0xa6/0x100 virt/kvm/eventfd.c:50
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>