------------[ 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#1: syz.4.728/8498 Modules linked in: CPU: 1 UID: 0 PID: 8498 Comm: syz.4.728 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__kvm_gpc_refresh+0x1510/0x1710 virt/kvm/pfncache.c:267 Code: c6 05 3b f0 22 0f 01 48 c7 c7 0a d4 3f 8e be 43 04 00 00 48 c7 c2 c0 42 02 8c e8 eb dd 62 00 e9 81 ee ff ff e8 01 38 87 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:ffffc9000fe97360 EFLAGS: 00010287 RAX: ffffffff8140d4cf RBX: ffff888000000000 RCX: 0000000000080000 RDX: ffffc90005be9000 RSI: 00000000000003d6 RDI: 00000000000003d7 RBP: ffffc9000fe974e8 R08: ffffffff907a657f R09: 1ffffffff20f4caf R10: dffffc0000000000 R11: fffffbfff20f4cb0 R12: 1ffff92001fd2e80 R13: ffff888054e09b60 R14: ffff888000000000 R15: ffffffffffffff01 FS: 00007f10bf6c56c0(0000) GS:ffff888124dc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001000 CR3: 000000007b8ac000 CR4: 00000000003526f0 Call Trace: kvm_gpc_refresh+0xe1/0x110 virt/kvm/pfncache.c:382 kvm_xen_set_evtchn+0x14f/0x220 arch/x86/kvm/xen.c:1966 kvm_xen_inject_timer_irqs arch/x86/kvm/xen.c:117 [inline] kvm_xen_vcpu_get_attr+0x5b0/0xb20 arch/x86/kvm/xen.c:1258 kvm_arch_vcpu_ioctl+0x1552/0x23a0 arch/x86/kvm/x86.c:3821 kvm_vcpu_ioctl+0x7e3/0xfd0 virt/kvm/kvm_main.c:4676 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f10be79e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f10bf6c5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f10bea25fa0 RCX: 00007f10be79e159 RDX: 0000200000000200 RSI: 00000000c048aeca RDI: 0000000000000008 RBP: 00007f10be83506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10bea26038 R14: 00007f10bea25fa0 R15: 00007f10beb4fa48