From: Philippe Antoine <contact@catenacyber.fr>
Date: Fri, 19 Jun 2020 09:43:04 +0000 (+0200)
Subject: fuzz: disable DNP3 checksums while fuzzing
X-Git-Tag: suricata-6.0.0-beta1~267
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a90b1c1bcb14ec390886ef47eab8714e34c71c15;p=thirdparty%2Fsuricata.git

fuzz: disable DNP3 checksums while fuzzing
---

diff --git a/src/app-layer-dnp3.c b/src/app-layer-dnp3.c
index d0c3f4f336..be682bb019 100644
--- a/src/app-layer-dnp3.c
+++ b/src/app-layer-dnp3.c
@@ -175,6 +175,9 @@ static uint16_t DNP3ComputeCRC(const uint8_t *buf, uint32_t len)
  */
 static int DNP3CheckCRC(const uint8_t *block, uint32_t len)
 {
+#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
+    return 1;
+#endif
     uint32_t crc_offset;
     uint16_t crc;