fuzz: disable DNP3 checksums while fuzzing

(cherry picked from commit 8a61f754c485b6c956c31c26176112d45d68b6e8)

diff --git a/src/app-layer-dnp3.c b/src/app-layer-dnp3.c
index d2faa6aa121f5d50061e3134e64d9c9d8df31f47..6203ed9d81b4952e1216c6eabd882dd8558a3a44 100644 (file)
--- 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;