Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.702922][ T6830] 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. [ 43.748918][ T6830] ------------[ cut here ]------------ [ 43.754545][ T6830] WARNING: CPU: 1 PID: 6830 at arch/x86/kvm/vmx/vmx.c:4809 handle_exception_nmi+0x1051/0x12a0 [ 43.764875][ T6830] Kernel panic - not syncing: panic_on_warn set ... [ 43.771463][ T6830] CPU: 1 PID: 6830 Comm: syz-executor736 Not tainted 5.9.0-rc6-syzkaller #0 [ 43.780122][ T6830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.790170][ T6830] Call Trace: [ 43.793440][ T6830] dump_stack+0x1d6/0x29e [ 43.797744][ T6830] panic+0x2c0/0x800 [ 43.801621][ T6830] ? __warn+0x102/0x250 [ 43.805755][ T6830] ? handle_exception_nmi+0x1051/0x12a0 [ 43.811287][ T6830] ? handle_exception_nmi+0x1051/0x12a0 [ 43.816811][ T6830] __warn+0x227/0x250 [ 43.820792][ T6830] ? handle_exception_nmi+0x1051/0x12a0 [ 43.826312][ T6830] report_bug+0x1b1/0x2e0 [ 43.830632][ T6830] handle_bug+0x42/0x80 [ 43.834762][ T6830] exc_invalid_op+0x16/0x40 [ 43.839254][ T6830] asm_exc_invalid_op+0x12/0x20 [ 43.844098][ T6830] RIP: 0010:handle_exception_nmi+0x1051/0x12a0 [ 43.850223][ T6830] Code: e8 98 00 e9 17 f1 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c da f0 ff ff 48 89 df e8 99 e8 98 00 e9 cd f0 ff ff e8 cf 18 59 00 <0f> 0b e9 e0 f6 ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c f4 f1 ff [ 43.869802][ T6830] RSP: 0018:ffffc900011df9b0 EFLAGS: 00010293 [ 43.875848][ T6830] RAX: ffffffff811be461 RBX: ffffffffef6686b0 RCX: ffff88808a0ec140 [ 43.883797][ T6830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 43.891745][ T6830] RBP: 0000000000000000 R08: ffffffff811bdb3a R09: ffffed1014e12871 [ 43.899691][ T6830] R10: ffffed1014e12871 R11: 0000000000000000 R12: ffff8880a7094380 [ 43.907637][ T6830] R13: 1ffff11014e12826 R14: ffff8880a7094040 R15: 0000000000000002 [ 43.915608][ T6830] ? handle_exception_nmi+0x72a/0x12a0 [ 43.921036][ T6830] ? handle_exception_nmi+0x1051/0x12a0 [ 43.926563][ T6830] vcpu_enter_guest+0x6725/0x8a50 [ 43.931578][ T6830] ? kasan_set_track+0x3d/0x70 [ 43.936314][ T6830] ? kasan_set_free_info+0x17/0x30 [ 43.941394][ T6830] ? kfree+0x113/0x200 [ 43.945436][ T6830] ? security_file_ioctl+0x55/0xb0 [ 43.950540][ T6830] ? __se_sys_ioctl+0x48/0x170 [ 43.955291][ T6830] ? do_syscall_64+0x31/0x70 [ 43.959856][ T6830] ? __lock_acquire+0x110b/0x2ae0 [ 43.964853][ T6830] ? __lock_acquire+0x110b/0x2ae0 [ 43.969855][ T6830] ? lock_is_held_type+0xb3/0xe0 [ 43.974781][ T6830] ? lock_is_held_type+0xb3/0xe0 [ 43.979700][ T6830] ? lock_acquire+0x148/0x720 [ 43.984351][ T6830] ? rcu_lock_acquire+0x9/0x30 [ 43.989099][ T6830] vcpu_run+0x332/0xc00 [ 43.993238][ T6830] kvm_arch_vcpu_ioctl_run+0x451/0x8f0 [ 43.998670][ T6830] kvm_vcpu_ioctl+0x64f/0xa50 [ 44.003323][ T6830] ? bpf_lsm_file_ioctl+0x5/0x10 [ 44.008234][ T6830] ? kvm_vm_ioctl_get_dirty_log+0x650/0x650 [ 44.014097][ T6830] __se_sys_ioctl+0xfb/0x170 [ 44.018662][ T6830] do_syscall_64+0x31/0x70 [ 44.023055][ T6830] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 44.028918][ T6830] RIP: 0033:0x443479 [ 44.032791][ T6830] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 9b 0b fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.052482][ T6830] RSP: 002b:00007ffdb9f41628 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.060875][ T6830] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000443479 [ 44.068831][ T6830] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 44.076782][ T6830] RBP: 00000000006cd018 R08: 0000000000000000 R09: 00000000004002c8 [ 44.084771][ T6830] R10: 0000000000000012 R11: 0000000000000246 R12: 00000000004044a0 [ 44.092719][ T6830] R13: 0000000000404530 R14: 0000000000000000 R15: 0000000000000000 [ 44.102149][ T6830] Kernel Offset: disabled [ 44.106569][ T6830] Rebooting in 86400 seconds..