------------[ cut here ]------------
WARNING: CPU: 1 PID: 5920 at arch/x86/kvm/../../../virt/kvm/pfncache.c:259 __kvm_gpc_refresh+0xf18/0x1090 arch/x86/kvm/../../../virt/kvm/pfncache.c:259
Modules linked in:
CPU: 1 PID: 5920 Comm: syz-executor.1 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__kvm_gpc_refresh+0xf18/0x1090 arch/x86/kvm/../../../virt/kvm/pfncache.c:259
Code: c6 05 41 06 89 0e 01 48 c7 c7 40 e3 c1 8b be 05 04 00 00 48 c7 c2 80 e3 c1 8b e8 b3 d2 65 00 e9 cd f3 ff ff e8 29 1d 89 00 90 <0f> 0b 90 41 bf ea ff ff ff e9 c2 fe ff ff e8 15 1d 89 00 90 0f 0b
RSP: 0018:ffffc90003227228 EFLAGS: 00010283
RAX: ffffffff810d4067 RBX: ffffffffffffff01 RCX: 0000000000040000
RDX: ffffc9000365a000 RSI: 0000000000001524 RDI: 0000000000001525
RBP: ffff888000000000 R08: ffffffff810d319f R09: 1ffffffff1f57be5
R10: dffffc0000000000 R11: fffffbfff1f57be6 R12: ffff888000000000
R13: ffffffffffffffff R14: ffffc9000480a3f8 R15: ffff887fffffffff
FS:  00007f6a682096c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000c0 CR3: 00000000116d8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvm_gpc_refresh+0xc6/0x110 arch/x86/kvm/../../../virt/kvm/pfncache.c:374
 kvm_xen_set_evtchn+0x162/0x230 arch/x86/kvm/xen.c:1888
 kvm_xen_hvm_evtchn_send+0x1fa/0x370 arch/x86/kvm/xen.c:1968
 kvm_arch_vm_ioctl+0xe40/0x1710 arch/x86/kvm/x86.c:7265
 kvm_vm_ioctl+0x84c/0xd30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5297
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a6747dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6a682090c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a675abf80 RCX: 00007f6a6747dea9
RDX: 00000000200000c0 RSI: 00000000400caed0 RDI: 0000000000000004
RBP: 00007f6a674ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6a675abf80 R15: 00007ffc99f08468
 </TASK>