On Thu, Jul 23, 2015 at 05:09:21PM -0700, Kees Cook wrote:
All this to say that probably only a handful of tricky syscalls would
need an on/off switch but clearly not all of them at all, so I'd rather
add a few entries just for the relevant ones, mainly to fix compatibility
issues and
On Fri, Jul 24, 2015 at 09:24:51AM +0200, Willy Tarreau wrote:
On Thu, Jul 23, 2015 at 05:09:21PM -0700, Kees Cook wrote:
All this to say that probably only a handful of tricky syscalls would
need an on/off switch but clearly not all of them at all, so I'd rather
add a few entries just
On Thu, Jul 23, 2015 at 04:40:14PM -0700, Andy Lutomirski wrote:
On Thu, Jul 23, 2015 at 4:36 PM, Kees Cook keesc...@chromium.org wrote:
I've been pondering something like this that is even MORE generic, for
any syscall. Something like a syscalls directory under
/proc/sys/kernel, with 1
On Thu, Jul 23, 2015 at 4:58 PM, Willy Tarreau w...@1wt.eu wrote:
On Thu, Jul 23, 2015 at 04:40:14PM -0700, Andy Lutomirski wrote:
On Thu, Jul 23, 2015 at 4:36 PM, Kees Cook keesc...@chromium.org wrote:
I've been pondering something like this that is even MORE generic, for
any syscall.
On Thu, Jul 23, 2015 at 4:36 PM, Kees Cook keesc...@chromium.org wrote:
On Thu, Jul 23, 2015 at 3:24 AM, Willy Tarreau w...@1wt.eu wrote:
#ifdef CONFIG_SMP
static void flush_ldt(void *current_mm)
{
@@ -254,6 +260,9 @@ asmlinkage int sys_modify_ldt(int func, void __user *ptr,
{
On 22.07.15 at 21:23, l...@kernel.org wrote:
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1015,6 +1015,7 @@ config VM86
config X86_16BIT
bool Enable support for 16-bit segments if EXPERT
default y
+ depends on MODIFY_LDT_SYSCALL
---help---
This option