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--- a/lib/lz4/lz4_decompress.c 2015-04-13 16:20:04.896315560 +0800
+++ b/lib/lz4/lz4_decompress.c 2015-04-13 16:27:08.929317053 +0800
@@ -139,8 +139,12 @@
/* Error: request to write beyond destination buffer */
if (cpy > oend)
goto _output_error;
+#if LZ4_ARCH64
+ if ((ref + COPYLENGTH) > oend)
+#else
if ((ref + COPYLENGTH) > oend ||
(op + COPYLENGTH) > oend)
+#endif
goto _output_error;
LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
while (op < cpy)
@@ -270,7 +274,13 @@
if (cpy > oend - COPYLENGTH) {
if (cpy > oend)
goto _output_error; /* write outside of buf */
-
+#if LZ4_ARCH64
+ if ((ref + COPYLENGTH) > oend)
+#else
+ if ((ref + COPYLENGTH) > oend ||
+ (op + COPYLENGTH) > oend)
+#endif
+ goto _output_error;
LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
while (op < cpy)
*op++ = *ref++;
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