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Diffstat (limited to 'libs/binder/BufferedTextOutput.cpp')
| -rw-r--r-- | libs/binder/BufferedTextOutput.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libs/binder/BufferedTextOutput.cpp b/libs/binder/BufferedTextOutput.cpp index 857bbf951..2978b539d 100644 --- a/libs/binder/BufferedTextOutput.cpp +++ b/libs/binder/BufferedTextOutput.cpp @@ -49,9 +49,10 @@ struct BufferedTextOutput::BufferState : public RefBase } status_t append(const char* txt, size_t len) { + if (len > SIZE_MAX - bufferPos) return NO_MEMORY; // overflow if ((len+bufferPos) > bufferSize) { + if ((len + bufferPos) > SIZE_MAX / 3) return NO_MEMORY; // overflow size_t newSize = ((len+bufferPos)*3)/2; - if (newSize < (len+bufferPos)) return NO_MEMORY; // overflow void* b = realloc(buffer, newSize); if (!b) return NO_MEMORY; buffer = (char*)b; |