From 7bb10dc7a0499e20a37291d6f5fd105e6ae6fdbf Mon Sep 17 00:00:00 2001
From: Michael Pratt <mpratt@google.com>
Date: Fri, 4 May 2018 13:14:59 -0700
Subject: [PATCH] Disable stack protector in VDSO build

The VDSO has no hooks to handle stack protector failures.

Fixes #9

PiperOrigin-RevId: 195460989
Change-Id: Idf1d55bfee1126e551d7274b7f484e03bf440427
---
 vdso/BUILD | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vdso/BUILD b/vdso/BUILD
index 9c4bc167e..d13d01cfd 100644
--- a/vdso/BUILD
+++ b/vdso/BUILD
@@ -26,6 +26,9 @@ genrule(
           "-O2 " +
           "-std=c++11 " +
           "-fPIC " +
+          # Some toolchains enable stack protector by default. Disable it, the
+          # VDSO has no hooks to handle failures.
+          "-fno-stack-protector " +
           "-fuse-ld=gold " +
           "-m64 " +
           "-shared " +