Fix potential memory corruption with negative memmove() size

2021-02-26 15:21:20 +01:00 · 2021-02-26 15:21:20 +01:00 · 8301a21773
commit 8301a21773
parent 1d58f77818
1 changed files with 1 additions and 1 deletions
--- a/lib/lz4.c
+++ b/lib/lz4.c
@ -1749,7 +1749,7 @@ LZ4_decompress_generic(
                 const size_t dictSize         /* note : = 0 if noDict */
                 )
 {
-    if (src == NULL) { return -1; }
+    if ((src == NULL) || (outputSize < 0)) { return -1; }

    {   const BYTE* ip = (const BYTE*) src;
        const BYTE* const iend = ip + srcSize;