From 3704c60135f96c02079274dad1a00b2dc3f846c9 Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Thu, 19 Oct 2017 11:06:05 +0200
Subject: executor: fix build breakages due to doexit

Some standard libraries contain "using ::exit;",
which breaks with the current redefinition of exit.
---
 executor/common.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'executor/common.h')

diff --git a/executor/common.h b/executor/common.h
index 980ea74b7..b7a0706fd 100644
--- a/executor/common.h
+++ b/executor/common.h
@@ -22,6 +22,14 @@
 #include <stdio.h>
 #endif
 
+#if defined(SYZ_EXECUTOR)
+// exit/_exit do not necessary work (e.g. if fuzzer sets seccomp filter that prohibits exit_group).
+// Use doexit instead.  We must redefine exit to something that exists in stdlib,
+// because some standard libraries contain "using ::exit;", but has different signature.
+#define exit vsnprintf
+#define _exit vsnprintf
+#endif
+
 #if defined(SYZ_EXECUTOR)
 #if defined(__GNUC__)
 #define SYSCALLAPI
-- 
cgit mrf-deployment