fortify-headers

commit 4672406edd54ffe1466cdcb4b36c849e7245d603
parent 5ebf0ca70e32dd6091d540a3e0d6ef96af816070
Author: sin <sin@2f30.org>
Date:   Sat, 28 Feb 2015 15:59:27 +0000

__fortify_realpath() should trap if PATH_MAX is not defined

This is currently done only if the pointer is non-NULL.

Diffstat:
M
include/stdlib.h
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/stdlib.h b/include/stdlib.h
@@ -19,9 +19,13 @@ __fortify_realpath(const char *path, char *resolved)
 	size_t bos;
 
 	if (resolved) {
+#ifndef PATH_MAX
+		__builtin_trap();
+#else
 		bos = __builtin_object_size(resolved, 0);
 		if (PATH_MAX > bos)
 			__builtin_trap();
+#endif
 	}
 	return realpath(path, resolved);
 }