On 05/13/2014 02:12 PM, Alex Zuepke wrote:
> x86 software emulation (non-KVM mode) does not check privilege levels on task
> gate switches.
> An "int $8" in user mode panics any OS kernel by a forbidden direct call into
> the double fault handler.
>
> This testcase crashes a Linux kernel with a
x86 software emulation (non-KVM mode) does not check privilege levels on task
gate switches.
An "int $8" in user mode panics any OS kernel by a forbidden direct call into
the double fault handler.
This testcase crashes a Linux kernel with a double fault panic:
$ cat test.c
int main(void)
{
