libutils: fix overflow in String8::allocFromUTF8

Patch contributed in:
https://code.google.com/p/android/issues/detail?id=182908

Bug: 23290056
Change-Id: Ide0e9a8acc4e95a9104bab3ae803aa3a40098222

parent 516d30d5

libutils/String8.cpp

+3 −0

Original line number	Diff line number	Diff line
		@@ -79,6 +79,9 @@ void terminate_string8()
		static char* allocFromUTF8(const char* in, size_t len)
		{
		if (len > 0) {
		if (len == SIZE_MAX) {
		return NULL;
		}
		SharedBuffer* buf = SharedBuffer::alloc(len+1);
		ALOG_ASSERT(buf, "Unable to allocate shared buffer");
		if (buf) {