Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.061955][ T7009] 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. [ 59.120674][ T7009] faulting far call emulation tainted memory [ 59.358861][ T7014] ------------[ cut here ]------------ [ 59.364694][ T7014] WARNING: CPU: 0 PID: 7014 at arch/x86/kvm/x86.c:8766 kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.374769][ T7014] Kernel panic - not syncing: panic_on_warn set ... [ 59.381344][ T7014] CPU: 0 PID: 7014 Comm: syz-executor823 Not tainted 5.7.0-rc5-syzkaller #0 [ 59.389989][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.400148][ T7014] Call Trace: [ 59.403453][ T7014] dump_stack+0x188/0x20d [ 59.407784][ T7014] ? kvm_arch_vcpu_ioctl_run+0x190/0x16e0 [ 59.413499][ T7014] panic+0x2e3/0x75c [ 59.417373][ T7014] ? add_taint.cold+0x16/0x16 [ 59.422031][ T7014] ? printk+0xba/0xed [ 59.425990][ T7014] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 59.431464][ T7014] ? __warn.cold+0x14/0x35 [ 59.435983][ T7014] ? __warn+0xd5/0x1c8 [ 59.440079][ T7014] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.445906][ T7014] __warn.cold+0x2f/0x35 [ 59.450228][ T7014] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.455996][ T7014] report_bug+0x27b/0x2f0 [ 59.461220][ T7014] do_error_trap+0x12b/0x220 [ 59.465840][ T7014] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.471666][ T7014] do_invalid_op+0x32/0x40 [ 59.476073][ T7014] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.481781][ T7014] invalid_op+0x23/0x30 [ 59.485950][ T7014] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.492382][ T7014] 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 cb 6e 64 00 4d 85 e4 0f 84 2a 0c 00 00 e8 2d 6d 64 00 <0f> 0b e8 26 6d 64 00 48 8d 7b 01 48 b8 00 00 00 00 00 fc ff df 48 [ 59.512150][ T7014] RSP: 0018:ffffc90005337ce0 EFLAGS: 00010293 [ 59.518383][ T7014] RAX: ffff888095594000 RBX: ffff8880a8c71000 RCX: ffffffff810ed2a6 [ 59.526348][ T7014] RDX: 0000000000000000 RSI: ffffffff810ec643 RDI: 0000000000000005 [ 59.534703][ T7014] RBP: ffff888095d74040 R08: ffff888095594000 R09: ffffed1015cc7104 [ 59.542839][ T7014] R10: ffff8880ae63881b R11: ffffed1015cc7103 R12: 0000000000000001 [ 59.550964][ T7014] R13: 0000000000000000 R14: ffff88809f9d3dc0 R15: ffff888095d74130 [ 59.558946][ T7014] ? kvm_arch_vcpu_ioctl_run+0xe36/0x16e0 [ 59.564837][ T7014] ? kvm_arch_vcpu_ioctl_run+0x1d3/0x16e0 [ 59.570841][ T7014] kvm_vcpu_ioctl+0x493/0xe60 [ 59.575529][ T7014] ? kvm_get_dirty_log_protect.isra.0+0x670/0x670 [ 59.581922][ T7014] ? ioctl_file_clone+0x180/0x180 [ 59.586940][ T7014] ? __fget_files+0x32f/0x500 [ 59.591805][ T7014] ? ksys_dup3+0x3c0/0x3c0 [ 59.596201][ T7014] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.602178][ T7014] ? kvm_get_dirty_log_protect.isra.0+0x670/0x670 [ 59.608585][ T7014] ksys_ioctl+0x11a/0x180 [ 59.612899][ T7014] __x64_sys_ioctl+0x6f/0xb0 [ 59.617483][ T7014] ? lockdep_hardirqs_on+0x463/0x620 [ 59.622771][ T7014] do_syscall_64+0xf6/0x7d0 [ 59.627278][ T7014] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.633781][ T7014] RIP: 0033:0x449b99 [ 59.637662][ T7014] 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 [ 59.657415][ T7014] RSP: 002b:00007f966c39ece8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.665833][ T7014] RAX: ffffffffffffffda RBX: 00000000006dfc58 RCX: 0000000000449b99 [ 59.673873][ T7014] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 59.682102][ T7014] RBP: 00000000006dfc50 R08: 00007f966c39f700 R09: 0000000000000000 [ 59.690154][ T7014] R10: 00007f966c39f700 R11: 0000000000000246 R12: 00000000006dfc5c [ 59.698211][ T7014] R13: 00007fff5e8b6d9f R14: 00007f966c39f9c0 R15: 20c49ba5e353f7cf [ 59.707784][ T7014] Kernel Offset: disabled [ 59.712167][ T7014] Rebooting in 86400 seconds..