------------[ cut here ]------------
WARNING: CPU: 1 PID: 7682 at arch/x86/kvm/../../../virt/kvm/pfncache.c:267 __kvm_gpc_refresh+0x14dd/0x1bb0 virt/kvm/pfncache.c:267
Modules linked in:
CPU: 1 UID: 0 PID: 7682 Comm: syz.5.430 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__kvm_gpc_refresh+0x14dd/0x1bb0 virt/kvm/pfncache.c:267
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 65 05 00 00 48 8b ad 10 01 00 00 31 db e9 b3 f8 ff ff e8 e4 71 84 00 90 <0f> 0b 90 e9 c4 fa ff ff 48 8b 6c 24 60 e8 d1 71 84 00 31 db e9 4b
RSP: 0018:ffffc9000d2377f0 EFLAGS: 00010283
RAX: 0000000000003013 RBX: ffffffffffffffff RCX: ffffc9000dbdb000
RDX: 0000000000080000 RSI: ffffffff81389bbc RDI: 0000000000000000
RBP: ffff88805869d3e0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888000000000
R13: ffff88805869d401 R14: ffff888000000001 R15: ffffc9000d237a00
FS:  00007f83021f66c0(0000) GS:ffff888124b08000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c401d55 CR3: 00000000667a2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xec/0x190 virt/kvm/pfncache.c:382
 kvm_xen_set_evtchn.part.0+0x19c/0x270 arch/x86/kvm/xen.c:1943
 kvm_xen_set_evtchn arch/x86/kvm/xen.c:1905 [inline]
 kvm_xen_inject_timer_irqs+0x1e9/0x2b0 arch/x86/kvm/xen.c:118
 kvm_inject_pending_timer_irqs+0xa8/0xc0 arch/x86/kvm/irq.c:174
 vcpu_run+0x178e/0x54d0 arch/x86/kvm/x86.c:11625
 kvm_arch_vcpu_ioctl_run+0x1023/0x1970 arch/x86/kvm/x86.c:11951
 kvm_vcpu_ioctl+0x5eb/0x1690 virt/kvm/kvm_main.c:4476
 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+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8303f8f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f83021f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f83041e6090 RCX: 00007f8303f8f6c9
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b
RBP: 00007f8304011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f83041e6128 R14: 00007f83041e6090 R15: 00007ffe95cb4d88
 </TASK>