lib-compression: Fixed LZ4 maximum output buffer size

diff --git a/src/lib-compression/ostream-lz4.c b/src/lib-compression/ostream-lz4.c
index 90aa2abc01d59984042ad309275de7264a5ee9b0..81ac0981f46967a344ac9c374bae6ec8e137bd46 100644 (file)
--- a/src/lib-compression/ostream-lz4.c
+++ b/src/lib-compression/ostream-lz4.c
@@ -18,7 +18,7 @@ struct lz4_ostream {
        unsigned int compressbuf_offset;
 
        /* chunk size, followed by compressed data */
-       unsigned char outbuf[IOSTREAM_LZ4_CHUNK_PREFIX_LEN + CHUNK_SIZE];
+       unsigned char outbuf[IOSTREAM_LZ4_CHUNK_PREFIX_LEN + LZ4_COMPRESSBOUND(CHUNK_SIZE)];
        unsigned int outbuf_offset, outbuf_used;
 };