From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Thu, 15 Apr 2021 15:44:03 +0000 (-0700)
Subject: Changed minigzip fuzzer outmode[3] to be determined based on a different value then... 
X-Git-Tag: 2.0.3~15
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3938397fd1627922dc090c57faac1de094420721;p=thirdparty%2Fzlib-ng.git

Changed minigzip fuzzer outmode[3] to be determined based on a different value then outmode[2] for better coverage.
---

diff --git a/test/fuzz/minigzip_fuzzer.c b/test/fuzz/minigzip_fuzzer.c
index 57e858888..5a15c662b 100644
--- a/test/fuzz/minigzip_fuzzer.c
+++ b/test/fuzz/minigzip_fuzzer.c
@@ -267,7 +267,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataLen) {
     /* Compression level: [0..9]. */
     outmode[2] = data[0] % 10;
 
-    switch (data[0] % 4) {
+    switch (data[dataLen-1] % 4) {
     default:
     case 0:
         outmode[3] = 0;