From 8301a21773ef61656225e264f4f06ae14462bca7 Mon Sep 17 00:00:00 2001 From: Jasper Lievisse Adriaanse Date: Fri, 26 Feb 2021 15:21:20 +0100 Subject: [PATCH] Fix potential memory corruption with negative memmove() size Signed-off-by: Peter Korsgaard --- lib/lz4.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/lz4.c b/lib/lz4.c index 5f524d0..c2f504e 100644 --- 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; -- 2.20.1