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| author | Howard Hinnant <hhinnant@apple.com> | 2013-03-19 22:16:57 +0000 |
|---|---|---|
| committer | Howard Hinnant <hhinnant@apple.com> | 2013-03-19 22:16:57 +0000 |
| commit | 4bb98d0917076f644557c1deb0c52f261bac7a43 (patch) | |
| tree | 7472c58684c6ace30c7a27de9d0766f4c8bc3f59 /libcxx/src | |
| parent | 640986bed90bb6064a99411ea6147618b1241e9b (diff) | |
| download | bcm5719-llvm-4bb98d0917076f644557c1deb0c52f261bac7a43.tar.gz bcm5719-llvm-4bb98d0917076f644557c1deb0c52f261bac7a43.zip | |
Marshall Clow found this memory problem in strstream using -fsanitize=address on the test suite.
llvm-svn: 177452
Diffstat (limited to 'libcxx/src')
| -rw-r--r-- | libcxx/src/strstream.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libcxx/src/strstream.cpp b/libcxx/src/strstream.cpp index 8cd19e6a353..518422bd242 100644 --- a/libcxx/src/strstream.cpp +++ b/libcxx/src/strstream.cpp @@ -158,6 +158,8 @@ strstreambuf::overflow(int_type __c) return int_type(EOF); streamsize old_size = (epptr() ? epptr() : egptr()) - eback(); streamsize new_size = max<streamsize>(__alsize_, 2*old_size); + if (new_size == 0) + new_size = __default_alsize; char* buf = nullptr; if (__palloc_) buf = static_cast<char*>(__palloc_(static_cast<size_t>(new_size))); |
