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author | Yvan Roux <yvan.roux@linaro.org> | 2018-02-07 18:27:25 +0000 |
---|---|---|
committer | Yi Kong <yikong@google.com> | 2018-03-28 19:48:16 -0700 |
commit | d2d5bdae89bcbfdd76b3c986d853ab90f2c26ceb (patch) | |
tree | afc04337beef85f2003ccdcb7b818944c9db05de | |
parent | c74e47c3229ee75b3d6db0f8adaf913256d2ab12 (diff) | |
download | compiler-rt-llvm-r316199.tar.gz |
[asan] Fix filename size on linux platforms.llvm-r316199
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/trunk@324496 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/asan/asan_linux.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc index c7c04af03..1c1174813 100644 --- a/lib/asan/asan_linux.cc +++ b/lib/asan/asan_linux.cc @@ -31,6 +31,7 @@ #include <sys/types.h> #include <dlfcn.h> #include <fcntl.h> +#include <limits.h> #include <pthread.h> #include <stdio.h> #include <unistd.h> @@ -200,7 +201,7 @@ 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)) { |