------------[ cut here ]------------
WARNING: CPU: 1 PID: 20488 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: 20488 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00053-ge33c4963bf53 #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 21 1e 86 0e 01 48 c7 c7 a0 e3 c1 8b be 07 04 00 00 48 c7 c2 e0 e3 c1 8b e8 03 8c 65 00 e9 cd f3 ff ff e8 29 b1 88 00 90 <0f> 0b 90 41 bf ea ff ff ff e9 c2 fe ff ff e8 15 b1 88 00 90 0f 0b
RSP: 0018:ffffc9000a29f430 EFLAGS: 00010283
RAX: ffffffff810d5037 RBX: ffffffffffffff01 RCX: 0000000000040000
RDX: ffffc9000e002000 RSI: 00000000000023d8 RDI: 00000000000023d9
RBP: ffff8880539ce228 R08: ffffffff810d416f R09: 1ffffffff25e68c0
R10: dffffc0000000000 R11: fffffbfff25e68c1 R12: fffff02400000020
R13: ffff8880539ce1b0 R14: ffff8880539ce1b0 R15: ffff887fffffffff
FS:  00007f0a67dff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c2b000 CR3: 00000000720e6000 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+0x1704/0x29a0 arch/x86/kvm/x86.c:6265
 kvm_vcpu_ioctl+0x6e0/0xd00 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4619
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
 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: 0033:0x7f0a6827dea9
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:00007f0a67dff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0a683ac050 RCX: 00007f0a6827dea9
RDX: 0000000020000040 RSI: 000000004048aecb RDI: 0000000000000011
RBP: 00007f0a682ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f0a683ac050 R15: 00007f0a684cf9f8
 </TASK>