------------[ cut here ]------------ WARNING: CPU: 1 PID: 5936 at arch/x86/kvm/../../../virt/kvm/pfncache.c:247 __kvm_gpc_refresh+0x15e2/0x2200 arch/x86/kvm/../../../virt/kvm/pfncache.c:247 Modules linked in: CPU: 1 PID: 5936 Comm: syz-executor.0 Not tainted 6.9.0-rc2-syzkaller-00413-gf2f80ac80987 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__kvm_gpc_refresh+0x15e2/0x2200 arch/x86/kvm/../../../virt/kvm/pfncache.c:247 Code: 48 c7 c2 60 61 22 8b be 7c 03 00 00 48 c7 c7 20 61 22 8b c6 05 6d 11 be 0e 01 e8 59 56 5e 00 e9 31 fb ff ff e8 af d3 80 00 90 <0f> 0b 90 e9 69 f7 ff ff e8 a1 d3 80 00 48 8b 54 24 40 48 b8 00 00 RSP: 0018:ffffc900048e7940 EFLAGS: 00010283 RAX: 0000000000004cc4 RBX: ffffffffffffffff RCX: ffffc90006339000 RDX: 0000000000040000 RSI: ffffffff810ca081 RDI: 0000000000000000 RBP: ffff88804be2e1a8 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000002 R12: ffff888000000000 R13: ffff887fffffff01 R14: 0000000000000040 R15: 0000000000000001 FS: 00007f0e369de6c0(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff1496e9c8 CR3: 0000000024d42000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_gpc_refresh+0x7d/0xe0 arch/x86/kvm/../../../virt/kvm/pfncache.c:364 kvm_setup_guest_pvclock+0x5b/0x720 arch/x86/kvm/x86.c:3174 kvm_guest_time_update+0x917/0xeb0 arch/x86/kvm/x86.c:3316 vcpu_enter_guest arch/x86/kvm/x86.c:10769 [inline] vcpu_run+0x1993/0x4e60 arch/x86/kvm/x86.c:11211 kvm_arch_vcpu_ioctl_run+0x42e/0x1680 arch/x86/kvm/x86.c:11437 kvm_vcpu_ioctl+0x5a1/0x1090 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4464 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl fs/ioctl.c:890 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x72/0x7a RIP: 0033:0x7f0e36e7de69 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:00007f0e369de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0e36fac050 RCX: 00007f0e36e7de69 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f0e36eca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f0e36fac050 R15: 00007ffcf2cfaa38