Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts. executing program [ 64.275648][ T7064] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 64.333713][ T7064] faulting far call emulation tainted memory [ 64.739470][ T7068] ------------[ cut here ]------------ [ 64.745161][ T7068] WARNING: CPU: 0 PID: 7068 at arch/x86/kvm/x86.c:8761 kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.755250][ T7068] Kernel panic - not syncing: panic_on_warn set ... [ 64.761823][ T7068] CPU: 0 PID: 7068 Comm: syz-executor646 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0 [ 64.771706][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.781750][ T7068] Call Trace: [ 64.785029][ T7068] dump_stack+0x188/0x20d [ 64.789371][ T7068] ? kvm_arch_vcpu_ioctl_run+0xe0/0x16e0 [ 64.795007][ T7068] panic+0x2e3/0x75c [ 64.798902][ T7068] ? add_taint.cold+0x16/0x16 [ 64.803575][ T7068] ? printk+0xba/0xed [ 64.807537][ T7068] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 64.812982][ T7068] ? __warn.cold+0x14/0x35 [ 64.817378][ T7068] ? __warn+0xd5/0x1c8 [ 64.821441][ T7068] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.827146][ T7068] __warn.cold+0x2f/0x35 [ 64.831387][ T7068] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.837099][ T7068] report_bug+0x27b/0x2f0 [ 64.841414][ T7068] do_error_trap+0x12b/0x220 [ 64.845988][ T7068] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.851699][ T7068] do_invalid_op+0x32/0x40 [ 64.856117][ T7068] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.861888][ T7068] invalid_op+0x23/0x30 [ 64.866050][ T7068] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.872361][ T7068] Code: 03 80 3c 02 00 0f 85 f0 13 00 00 4c 8b a5 28 0d 00 00 31 ff 4c 89 e6 e8 6b 6b 64 00 4d 85 e4 0f 84 2a 0c 00 00 e8 9d 69 64 00 <0f> 0b e8 96 69 64 00 48 8d 7b 01 48 b8 00 00 00 00 00 fc ff df 48 [ 64.891964][ T7068] RSP: 0018:ffffc90004ca7ce0 EFLAGS: 00010293 [ 64.898065][ T7068] RAX: ffff88809ee162c0 RBX: ffff8880a72ff000 RCX: ffffffff810ed756 [ 64.906025][ T7068] RDX: 0000000000000000 RSI: ffffffff810ecaf3 RDI: 0000000000000005 [ 64.913988][ T7068] RBP: ffff888090cb8040 R08: ffff88809ee162c0 R09: ffffed1015cc710c [ 64.922023][ T7068] R10: ffff8880ae63885b R11: ffffed1015cc710b R12: 0000000000000001 [ 64.929985][ T7068] R13: 0000000000000000 R14: ffff8880a9382280 R15: ffff888090cb8130 [ 64.937961][ T7068] ? kvm_arch_vcpu_ioctl_run+0xe36/0x16e0 [ 64.943671][ T7068] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 64.949406][ T7068] kvm_vcpu_ioctl+0x493/0xe60 [ 64.954088][ T7068] ? kvm_get_dirty_log_protect.isra.0+0x670/0x670 [ 64.960487][ T7068] ? ioctl_file_clone+0x180/0x180 [ 64.965508][ T7068] ? __fget_files+0x32f/0x500 [ 64.970176][ T7068] ? do_dup2+0x520/0x520 [ 64.974417][ T7068] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.980392][ T7068] ? kvm_get_dirty_log_protect.isra.0+0x670/0x670 [ 64.986791][ T7068] ksys_ioctl+0x11a/0x180 [ 64.991108][ T7068] __x64_sys_ioctl+0x6f/0xb0 [ 64.995678][ T7068] ? lockdep_hardirqs_on+0x463/0x620 [ 65.000948][ T7068] do_syscall_64+0xf6/0x7d0 [ 65.005437][ T7068] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 65.011335][ T7068] RIP: 0033:0x449bb9 [ 65.015313][ T7068] Code: e8 8c b0 02 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 4b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.034905][ T7068] RSP: 002b:00007f6221b4dce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 65.043314][ T7068] RAX: ffffffffffffffda RBX: 00000000006dfc58 RCX: 0000000000449bb9 [ 65.051363][ T7068] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 65.059318][ T7068] RBP: 00000000006dfc50 R08: 00007f6221b4e700 R09: 0000000000000000 [ 65.067282][ T7068] R10: 00007f6221b4e700 R11: 0000000000000246 R12: 00000000006dfc5c [ 65.075241][ T7068] R13: 00007ffcfa81111f R14: 00007f6221b4e9c0 R15: 20c49ba5e353f7cf [ 65.084538][ T7068] Kernel Offset: disabled [ 65.088923][ T7068] Rebooting in 86400 seconds..