------------[ cut here ]------------ WARNING: CPU: 2 PID: 7954 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: 2 PID: 7954 Comm: syz-executor.2 Not tainted 6.9.0-rc3-syzkaller-00023-g2c71fdf02a95 #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 c0 41 02 8b be 7c 03 00 00 48 c7 c7 80 41 02 8b c6 05 9d 94 7b 0e 01 e8 59 59 5e 00 e9 31 fb ff ff e8 3f d9 80 00 90 <0f> 0b 90 e9 69 f7 ff ff e8 31 d9 80 00 48 8b 54 24 40 48 b8 00 00 RSP: 0018:ffffc90003487940 EFLAGS: 00010287 RAX: 0000000000002ed4 RBX: ffffffffffffffff RCX: ffffc90022839000 RDX: 0000000000040000 RSI: ffffffff810cea51 RDI: 0000000000000000 RBP: ffff8880442cb928 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000002 R12: ffff888000000000 R13: ffff887fffffff01 R14: 0000000000000040 R15: 0000000000000001 FS: 00007f04737ff6c0(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31e21000 CR3: 000000004698c000 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+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0473c7de69 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:00007f04737ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0473dabf80 RCX: 00007f0473c7de69 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 RBP: 00007f0473cca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f0473dabf80 R15: 00007ffd385e8aa8