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authorHans Wennborg <hans@hanshq.net>2018-02-07 19:51:13 +0000
committerHans Wennborg <hans@hanshq.net>2018-02-07 19:51:13 +0000
commit9d61c78bced84866cc886f1f1111c8e51c1d52d5 (patch)
treebdf059d1d73991f4ab9b00a8aff52363f9e42220
parent32dfc401bb53cf439cb11b700c5e3322b349e8dc (diff)
------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/release_60@324506 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/asan/asan_linux.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc
index 047e1dbb7..625f32d40 100644
--- a/lib/asan/asan_linux.cc
+++ b/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 @@ void AsanCheckIncompatibleRT() {
// 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)) {