Merging r324496:
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r324496 | yroux | 2018-02-07 19:27:25 +0100 (Wed, 07 Feb 2018) | 9 lines
[asan] Fix filename size on linux platforms.
This is a a fix for:
https://bugs.llvm.org/show_bug.cgi?id=35996
Use filename limits from system headers to be synchronized with what
LD_PRELOAD can handle.
Differential Revision: https://reviews.llvm.org/D42900
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llvm-svn: 324506
diff --git a/compiler-rt/lib/asan/asan_linux.cc b/compiler-rt/lib/asan/asan_linux.cc
index 047e1db..625f32d 100644
--- a/compiler-rt/lib/asan/asan_linux.cc
+++ b/compiler-rt/lib/asan/asan_linux.cc
@@ -32,6 +32,7 @@
#include <sys/types.h>
#include <dlfcn.h>
#include <fcntl.h>
+#include <limits.h>
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
@@ -214,7 +215,7 @@
// the functions in dynamic ASan runtime instead of the functions in
// system libraries, causing crashes later in ASan initialization.
MemoryMappingLayout proc_maps(/*cache_enabled*/true);
- char filename[128];
+ char filename[PATH_MAX];
MemoryMappedSegment segment(filename, sizeof(filename));
while (proc_maps.Next(&segment)) {
if (IsDynamicRTName(segment.filename)) {
