Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.705458][ T6854] 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. [ 46.750036][ T6854] ------------[ cut here ]------------ [ 46.758541][ T6854] WARNING: CPU: 1 PID: 6854 at arch/x86/kvm/vmx/vmx.c:4809 handle_exception_nmi+0x1051/0x12a0 [ 46.769904][ T6854] Kernel panic - not syncing: panic_on_warn set ... [ 46.776485][ T6854] CPU: 1 PID: 6854 Comm: syz-executor665 Not tainted 5.9.0-rc7-syzkaller #0 [ 46.785244][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.795316][ T6854] Call Trace: [ 46.798605][ T6854] dump_stack+0x1d6/0x29e [ 46.802950][ T6854] panic+0x2c0/0x800 [ 46.806840][ T6854] ? __warn+0x102/0x250 [ 46.810975][ T6854] ? handle_exception_nmi+0x1051/0x12a0 [ 46.816508][ T6854] ? handle_exception_nmi+0x1051/0x12a0 [ 46.822067][ T6854] __warn+0x227/0x250 [ 46.826137][ T6854] ? handle_exception_nmi+0x1051/0x12a0 [ 46.831657][ T6854] report_bug+0x1b1/0x2e0 [ 46.835972][ T6854] handle_bug+0x42/0x80 [ 46.840108][ T6854] exc_invalid_op+0x16/0x40 [ 46.844592][ T6854] asm_exc_invalid_op+0x12/0x20 [ 46.849423][ T6854] RIP: 0010:handle_exception_nmi+0x1051/0x12a0 [ 46.855583][ T6854] Code: fd 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 a9 fd 98 00 e9 cd f0 ff ff e8 1f 19 59 00 <0f> 0b e9 e0 f6 ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c f4 f1 ff [ 46.875891][ T6854] RSP: 0018:ffffc90000e979b0 EFLAGS: 00010293 [ 46.881932][ T6854] RAX: ffffffff811be461 RBX: fffffffffffffff8 RCX: ffff888091f42200 [ 46.889879][ T6854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 46.897834][ T6854] RBP: 0000000000000000 R08: ffffffff811bdb3a R09: ffffed1014faf071 [ 46.905785][ T6854] R10: ffffed1014faf071 R11: 0000000000000000 R12: ffff8880a7d78380 [ 46.913737][ T6854] R13: 1ffff11014faf026 R14: ffff8880a7d78040 R15: 0000000000000002 [ 46.923793][ T6854] ? handle_exception_nmi+0x72a/0x12a0 [ 46.929271][ T6854] ? handle_exception_nmi+0x1051/0x12a0 [ 46.934805][ T6854] vcpu_enter_guest+0x6725/0x8a50 [ 46.939842][ T6854] ? __lock_acquire+0x110b/0x2ae0 [ 46.944855][ T6854] ? lock_is_held_type+0xb3/0xe0 [ 46.949786][ T6854] ? lock_acquire+0x148/0x720 [ 46.954437][ T6854] ? rcu_lock_acquire+0x9/0x30 [ 46.959190][ T6854] vcpu_run+0x332/0xc00 [ 46.963332][ T6854] kvm_arch_vcpu_ioctl_run+0x451/0x8f0 [ 46.968785][ T6854] kvm_vcpu_ioctl+0x64f/0xa50 [ 46.973446][ T6854] ? bpf_lsm_file_ioctl+0x5/0x10 [ 46.978363][ T6854] ? kvm_vm_ioctl_get_dirty_log+0x650/0x650 [ 46.984234][ T6854] __se_sys_ioctl+0xfb/0x170 [ 46.989947][ T6854] do_syscall_64+0x31/0x70 [ 46.994344][ T6854] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.000243][ T6854] RIP: 0033:0x443bb9 [ 47.004124][ T6854] Code: e8 dc a3 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 db 00 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.023731][ T6854] RSP: 002b:00007fff4f9aff08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.032122][ T6854] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000443bb9 [ 47.040094][ T6854] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 47.048045][ T6854] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002c8 [ 47.056003][ T6854] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000404120 [ 47.063950][ T6854] R13: 00000000004041b0 R14: 0000000000000000 R15: 0000000000000000 [ 47.073071][ T6854] Kernel Offset: disabled [ 47.077431][ T6854] Rebooting in 86400 seconds..