openbsd-ports/archivers/lz4/patches/patch-lib_lz4_c

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CVE-2021-3520
Index: lib/lz4.c
--- lib/lz4.c.orig
+++ 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;