On 06/08/2015 08:50 AM, Ingo Molnar wrote: > * Denys Vlasenko <dvlas...@redhat.com> wrote: > >> I broke this recently when I changed pt_regs->r8..r11 clearing logic >> in INT 80 code path. >> >> There is a branch from SYSENTER/SYSCALL code to INT 80 code: >> if we fail to retrieve arg6, we return EFAULT. Before this patch, >> in this case we don't clear pt_regs->r8..r11. >> >> This patch fixes this. The resulting code is smaller and simpler. > > So how did you notice this bug - through actual info leak testing, or review?
By reviewing my own patch. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
