------------[ cut here ]------------
WARNING: CPU: 1 PID: 9460 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: 9460 Comm: syz-executor.4 Not tainted 6.9.0-rc3-next-20240412-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 e1 0d 89 0e 01 48 c7 c7 e0 02 c2 8b be 05 04 00 00 48 c7 c2 20 03 c2 8b e8 23 cd 65 00 e9 cd f3 ff ff e8 d9 f6 88 00 90 <0f> 0b 90 41 bf ea ff ff ff e9 c2 fe ff ff e8 c5 f6 88 00 90 0f 0b
RSP: 0018:ffffc9000fe5f430 EFLAGS: 00010287
RAX: ffffffff810d4097 RBX: ffffffffffffff01 RCX: 0000000000040000
RDX: ffffc9000a691000 RSI: 0000000000001546 RDI: 0000000000001547
RBP: ffff88802cadb9a8 R08: ffffffff810d31cf R09: 1ffffffff25ee6d5
R10: dffffc0000000000 R11: fffffbfff25ee6d6 R12: ffffffffeea4e683
R13: ffff88802cadb930 R14: ffff88802cadb930 R15: ffff887fffffffff
FS:  00007fdca7f656c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31c22000 CR3: 000000001cf44000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __kvm_gpc_activate+0xdc/0x400 arch/x86/kvm/../../../virt/kvm/pfncache.c:416
 kvm_xen_vcpu_set_attr+0x1c1/0x11c0 arch/x86/kvm/xen.c:890
 kvm_arch_vcpu_ioctl+0x16ad/0x2cd0 arch/x86/kvm/x86.c:6281
 kvm_vcpu_ioctl+0x6e0/0xd00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4569
 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:74 [inline]
 do_syscall_64+0xfa/0x250 arch/x86/entry/common.c:105
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdca727de69
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:00007fdca7f650c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fdca73abf80 RCX: 00007fdca727de69
RDX: 0000000020000080 RSI: 000000004048aecb RDI: 0000000000000006
RBP: 00007fdca72ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdca73abf80 R15: 00007ffff9b3f9a8
 </TASK>