On Sun, Jun 24, 2018 at 10:41 PM Naresh Kamboju <[email protected]> wrote: > > Kselftest test case mov_ss_trap_64 is causing kernel panic on > qemu-system-x86_64 and PASS on real x86_64 hardware. > > Test code snippet, > main() { > <> > printf("[RUN]\tMOV SS; CS CS INT3\n"); > asm volatile ("mov %[ss], %%ss; .byte 0x2e, 0x2e; int3" :: [ss] "m" > (ss)); > <> > } >
This smells like CVE-2018-1087. Can you confirm that your *host* kernel is patched? CVE-2018-1087 is extremely severe, and if your host kernel is not patched, I think you need to apply some serious pressure on your vendor to get with the program. --Andy
