From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Wed, 17 Jul 2019 03:00:33 +0000 (-0700)
Subject: Fixed use of uninitialized value found by memory sanitizer and reported by @sebpop.
X-Git-Tag: 1.9.9-b1~468
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f56596da84535f0c0967090d6cda7946a47388f;p=thirdparty%2Fzlib-ng.git

Fixed use of uninitialized value found by memory sanitizer and reported by @sebpop.
---

diff --git a/gzwrite.c b/gzwrite.c
index 20e1d5c6..5b128055 100644
--- a/gzwrite.c
+++ b/gzwrite.c
@@ -26,6 +26,7 @@ static int gz_init(gz_state *state) {
         gz_error(state, Z_MEM_ERROR, "out of memory");
         return -1;
     }
+    memset(state->in, 0, state->want << 1);
 
     /* only need output buffer and deflate state if compressing */
     if (!state->direct) {