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[fuzz] avoid tasklet execution if platform was reset (#4093)

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This commit is contained in:
Jonathan Hui
2019-08-13 08:49:51 -07:00
committed by GitHub
parent 80f982301c
commit 0dde90edcb
7 changed files with 93 additions and 18 deletions
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tests/fuzz/Makefile.am
+29 -6
View File
@@ -46,24 +46,47 @@ COMMON_LDADD = \
$(LIB_FUZZING_ENGINE) \
$(NULL)
COMMON_SOURCES = \
fuzzer_platform.c \
fuzzer_platform.h \
$(NULL)
cli_uart_received_fuzzer_LDADD = \
$(top_builddir)/src/cli/libopenthread-cli-ftd.a \
$(COMMON_LDADD) \
$(NULL)
cli_uart_received_fuzzer_SOURCES = cli_uart_received.cpp fuzzer_platform.c
cli_uart_received_fuzzer_SOURCES = \
$(COMMON_SOURCES) \
cli_uart_received.cpp \
$(NULL)
ip6_send_fuzzer_LDADD = $(COMMON_LDADD)
ip6_send_fuzzer_SOURCES = ip6_send.cpp fuzzer_platform.c
ip6_send_fuzzer_LDADD = \
$(COMMON_LDADD) \
$(NULL)
radio_receive_done_fuzzer_LDADD = $(COMMON_LDADD)
radio_receive_done_fuzzer_SOURCES = radio_receive_done.cpp fuzzer_platform.c
ip6_send_fuzzer_SOURCES = \
$(COMMON_SOURCES) \
ip6_send.cpp \
$(NULL)
radio_receive_done_fuzzer_LDADD = \
$(COMMON_LDADD) \
$(NULL)
radio_receive_done_fuzzer_SOURCES = \
$(COMMON_SOURCES) \
radio_receive_done.cpp \
$(NULL)
ncp_uart_received_fuzzer_LDADD = \
$(top_builddir)/src/ncp/libopenthread-ncp-ftd.a \
$(COMMON_LDADD) \
$(NULL)
ncp_uart_received_fuzzer_SOURCES = ncp_uart_received.cpp fuzzer_platform.c
ncp_uart_received_fuzzer_SOURCES = \
$(COMMON_SOURCES) \
ncp_uart_received.cpp \
$(NULL)
include $(abs_top_nlbuild_autotools_dir)/automake/post.am
tests/fuzz/cli_uart_received.cpp
+3 -3
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@@ -40,11 +40,9 @@
#include <openthread/thread_ftd.h>
#include <openthread/platform/uart.h>
#include "fuzzer_platform.h"
#include "common/code_utils.hpp"
extern "C" void FuzzerPlatformInit(void);
extern "C" void FuzzerPlatformProcess(otInstance *aInstance);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
const otPanId panId = 0xdead;
@@ -69,6 +67,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
otPlatUartReceived(buf, (uint16_t)size);
VerifyOrExit(!FuzzerPlatformResetWasRequested());
for (int i = 0; i < MAX_ITERATIONS; i++)
{
while (otTaskletsArePending(instance))
tests/fuzz/fuzzer_platform.c
+8
View File
@@ -49,6 +49,7 @@ static AlarmState sAlarmMicro;
static uint32_t sRandomState = 1;
static uint8_t sRadioTransmitPsdu[OT_RADIO_FRAME_MAX_SIZE];
static otRadioFrame sRadioTransmitFrame = {.mPsdu = sRadioTransmitPsdu};
static bool sResetWasRequested = false;
void FuzzerPlatformInit(void)
{
@@ -92,6 +93,11 @@ void FuzzerPlatformProcess(otInstance *aInstance)
}
}
bool FuzzerPlatformResetWasRequested(void)
{
return sResetWasRequested;
}
uint32_t otPlatAlarmMilliGetNow(void)
{
return sAlarmNow / 1000;
@@ -159,6 +165,8 @@ void otDiagProcessCmdLine(otInstance *aInstance, const char *aString, char *aOut
void otPlatReset(otInstance *aInstance)
{
OT_UNUSED_VARIABLE(aInstance);
sResetWasRequested = true;
}
otPlatResetReason otPlatGetResetReason(otInstance *aInstance)
tests/fuzz/fuzzer_platform.h
+44
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@@ -0,0 +1,44 @@
/*
* 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.
*/
#ifndef FUZZER_PLATFORM_H_
#define FUZZER_PLATFORM_H_
#ifdef __cplusplus
extern "C" {
#endif
void FuzzerPlatformInit(void);
void FuzzerPlatformProcess(otInstance *aInstance);
bool FuzzerPlatformResetWasRequested(void);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // FUZZER_PLATFORM_H_
tests/fuzz/ip6_send.cpp
+3 -3
View File
@@ -38,11 +38,9 @@
#include <openthread/thread.h>
#include <openthread/thread_ftd.h>
#include "fuzzer_platform.h"
#include "common/code_utils.hpp"
extern "C" void FuzzerPlatformInit(void);
extern "C" void FuzzerPlatformProcess(otInstance *aInstance);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
const otPanId panId = 0xdead;
@@ -75,6 +73,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
message = NULL;
VerifyOrExit(!FuzzerPlatformResetWasRequested());
for (int i = 0; i < MAX_ITERATIONS; i++)
{
while (otTaskletsArePending(instance))
tests/fuzz/ncp_uart_received.cpp
+3 -3
View File
@@ -40,11 +40,9 @@
#include <openthread/thread_ftd.h>
#include <openthread/platform/uart.h>
#include "fuzzer_platform.h"
#include "common/code_utils.hpp"
extern "C" void FuzzerPlatformInit(void);
extern "C" void FuzzerPlatformProcess(otInstance *aInstance);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
const otPanId panId = 0xdead;
@@ -69,6 +67,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
otPlatUartReceived(buf, (uint16_t)size);
VerifyOrExit(!FuzzerPlatformResetWasRequested());
for (int i = 0; i < MAX_ITERATIONS; i++)
{
while (otTaskletsArePending(instance))
tests/fuzz/radio_receive_done.cpp
+3 -3
View File
@@ -39,11 +39,9 @@
#include <openthread/thread_ftd.h>
#include <openthread/platform/radio.h>
#include "fuzzer_platform.h"
#include "common/code_utils.hpp"
extern "C" void FuzzerPlatformInit(void);
extern "C" void FuzzerPlatformProcess(otInstance *aInstance);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
const otPanId panId = 0xdead;
@@ -73,6 +71,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
otPlatRadioReceiveDone(instance, &frame, OT_ERROR_NONE);
VerifyOrExit(!FuzzerPlatformResetWasRequested());
for (int i = 0; i < MAX_ITERATIONS; i++)
{
while (otTaskletsArePending(instance))