X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/41d3adbbfed77605e4a397ce199c5751c35bf94b..2b0c045b635e108602a614beb8bf8343c4d21102:/scp.c

diff --git a/scp.c b/scp.c
index 60ca11cb..34f6ffb5 100644
--- a/scp.c
+++ b/scp.c
@@ -268,6 +268,8 @@ int from_backend(int is_stderr, char *data, int datalen)
     unsigned char *p = (unsigned char *) data;
     unsigned len = (unsigned) datalen;
 
+    assert(len > 0);
+
     /*
      * stderr data is just spouted to local stderr and otherwise
      * ignored.