From: Mika Lindqvist <postmaster@raasu.org>
Date: Sat, 3 Oct 2020 23:05:05 +0000 (+0300)
Subject: Fix memory leak in gz_uncompress().
X-Git-Tag: v2.0.0-RC1~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62a5f05eac66796cc0991e1a0d66fd66f0fcb951;p=thirdparty%2Fzlib-ng.git

Fix memory leak in gz_uncompress().
---

diff --git a/test/minigzip.c b/test/minigzip.c
index 64fe79edf..4cbb30f4b 100644
--- a/test/minigzip.c
+++ b/test/minigzip.c
@@ -162,10 +162,14 @@ void gz_uncompress(gzFile in, FILE *out) {
 
     for (;;) {
         len = PREFIX(gzread)(in, buf, BUFLENW);
-        if (len < 0) error (PREFIX(gzerror)(in, &err));
+        if (len < 0) {
+            free(buf);
+            error(PREFIX(gzerror)(in, &err));
+        }
         if (len == 0) break;
 
         if ((int)fwrite(buf, 1, (unsigned)len, out) != len) {
+            free(buf);
             error("failed fwrite");
         }
     }