[fuzz] add CLI UART input to fuzz tests (#3482)

2026-08-02 00:57:47 +00:00 · 2019-01-22 09:07:13 -08:00
parent 061e54627c
commit f9eb4cb517
3 changed files with 107 additions and 2 deletions
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (c) 2019, The OpenThread Authors.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holder nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <openthread/cli.h>
+#include <openthread/instance.h>
+#include <openthread/ip6.h>
+#include <openthread/link.h>
+#include <openthread/thread.h>
+#include <openthread/thread_ftd.h>
+#include <openthread/platform/uart.h>
+
+#include "common/code_utils.hpp"
+
+extern "C" void FuzzerPlatformInit(void);
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+    const otPanId panId = 0xdead;
+
+    otInstance *instance = NULL;
+    uint8_t *   buf      = NULL;
+
+    VerifyOrExit(size <= 65536);
+
+    FuzzerPlatformInit();
+
+    instance = otInstanceInitSingle();
+    otCliUartInit(instance);
+    otLinkSetPanId(instance, panId);
+    otIp6SetEnabled(instance, true);
+    otThreadSetEnabled(instance, true);
+    otThreadBecomeLeader(instance);
+
+    buf = static_cast<uint8_t *>(malloc(size));
+
+    memcpy(buf, data, size);
+
+    otPlatUartReceived(buf, (uint16_t)size);
+
+exit:
+
+    if (buf != NULL)
+    {
+        free(buf);
+    }
+
+    if (instance != NULL)
+    {
+        otInstanceFinalize(instance);
+    }
+
+    return 0;
+}