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-rw-r--r--programs/lz4io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/programs/lz4io.c b/programs/lz4io.c
index 7315d69..03d93af 100644
--- a/programs/lz4io.c
+++ b/programs/lz4io.c
@@ -667,7 +667,7 @@ static unsigned long long decodeLZ4S(FILE* finput, FILE* foutput)
inBuffSize = outBuffSize + 4;
inBuff = (char*)malloc(inBuffSize);
#if defined(LZ4IO_ENABLE_SPARSE_FILE)
- outBuff = (char*)malloc(outBuffSize+1);
+ outBuff = (char*)malloc(outBuffSize+sizeof(U64));
outBuff[outBuffSize] = 1; /* sentinel */
#else /* LZ4IO_ENABLE_SPARSE_FILE */
outBuff = (char*)malloc(outBuffSize);