fuzz: fix integer warnings

Ticket: 4516

src/tests/fuzz/fuzz_applayerparserparse.c

@@ -33,7 +33,7 @@ AppLayerParserThreadCtx *alp_tctx = NULL;
 
 const uint8_t separator[] = {0x01, 0xD5, 0xCA, 0x7A};
 SCInstance surifuzz;
-uint64_t forceLayer = 0;
+AppProto forceLayer = 0;
 
 int LLVMFuzzerInitialize(int *argc, char ***argv)
 {
@@ -42,14 +42,14 @@ int LLVMFuzzerInitialize(int *argc, char ***argv)
         AppProto applayer = StringToAppProto(target_suffix + 1);
         if (applayer != ALPROTO_UNKNOWN) {
             forceLayer = applayer;
-            printf("Forcing %s=%" PRIu64 "\n", AppProtoToString(forceLayer), forceLayer);
+            printf("Forcing %s=%" PRIu16 "\n", AppProtoToString(forceLayer), forceLayer);
             return 0;
         }
     }
     // else
     const char *forceLayerStr = getenv("FUZZ_APPLAYER");
     if (forceLayerStr) {
-        if (ByteExtractStringUint64(&forceLayer, 10, 0, forceLayerStr) < 0) {
+        if (ByteExtractStringUint16(&forceLayer, 10, 0, forceLayerStr) < 0) {
             forceLayer = 0;
             printf("Invalid numeric value for FUZZ_APPLAYER environment variable");
         } else {
@@ -108,8 +108,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
     f->flags |= FLOW_IPV4;
     f->src.addr_data32[0] = 0x01020304;
     f->dst.addr_data32[0] = 0x05060708;
-    f->sp = (data[2] << 8) | data[3];
-    f->dp = (data[4] << 8) | data[5];
+    f->sp = (uint16_t)((data[2] << 8) | data[3]);
+    f->dp = (uint16_t)((data[4] << 8) | data[5]);
     f->proto = data[1];
     memset(&ssn, 0, sizeof(TcpSession));
     f->protoctx = &ssn;

src/tests/fuzz/fuzz_applayerprotodetectgetproto.c

@@ -50,7 +50,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
         alpd_tctx = AppLayerProtoDetectGetCtxThread();
     }
 
-    f = TestHelperBuildFlow(AF_INET, "1.2.3.4", "5.6.7.8", (data[2] << 8) | data[3], (data[4] << 8) | data[5]);
+    f = TestHelperBuildFlow(AF_INET, "1.2.3.4", "5.6.7.8", (uint16_t)((data[2] << 8) | data[3]),
+            (uint16_t)((data[4] << 8) | data[5]));
     if (f == NULL) {
         return 0;
     }