X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Ff_zmq.c;h=744c721305714912041c4b27a4ef767966c189bc;hb=3c77584be8fa6833b5cbf9b064ef1120a54fa61f;hp=89da5bef064afdc87d30cc1d62ce4942a94e29fc;hpb=ce265b0bf5d0c77a092a1f5fbeb652c7cdea5fc7;p=ffmpeg

diff --git a/libavfilter/f_zmq.c b/libavfilter/f_zmq.c
index 89da5bef064..744c7213057 100644
--- a/libavfilter/f_zmq.c
+++ b/libavfilter/f_zmq.c
@@ -139,7 +139,7 @@ static int recv_msg(AVFilterContext *ctx, char **buf, int *buf_size)
         ret = AVERROR(ENOMEM);
         goto end;
     }
-    memcpy(*buf, zmq_msg_data(&msg), *buf_size);
+    memcpy(*buf, zmq_msg_data(&msg), *buf_size - 1);
     (*buf)[*buf_size-1] = 0;
 
 end: