From: Mark Andrews <marka@isc.org>
Date: Thu, 13 Aug 2020 22:26:53 +0000 (+1000)
Subject: Ensure that a bool is stored in 'eol'
X-Git-Tag: v9.17.5~48^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b75833aaaa1700ec7b7974c7b827304cefc3569;p=thirdparty%2Fbind9.git

Ensure that a bool is stored in 'eol'

oss-fuzz: Issue 24875: bind9:isc_lex_getmastertoken_fuzzer: Invalid-bool-value in isc_lex_getmastertoken.c
---

diff --git a/fuzz/isc_lex_getmastertoken.c b/fuzz/isc_lex_getmastertoken.c
index 64d4727332c..7ead75a7eb3 100644
--- a/fuzz/isc_lex_getmastertoken.c
+++ b/fuzz/isc_lex_getmastertoken.c
@@ -61,9 +61,9 @@ LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 	data += sizeof(expect);
 	size -= sizeof(expect);
 
-	(void)memmove(&eol, data, sizeof(eol));
-	data += sizeof(eol);
-	size -= sizeof(eol);
+	eol = *data != 0;
+	data += 1;
+	size -= 1;
 
 	isc_buffer_constinit(&buf, data, size);
 	isc_buffer_add(&buf, size);