DeforaNetworks/deepstate
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we can take over rand now

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This commit is contained in:
Alex Groce 2018-12-27 17:13:53 -07:00
parent 54c42c78c9
commit 6f1f648cd2
2 changed files with 36 additions and 30 deletions
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33
src/include/deepstate/DeepState.h
View File

@ -48,6 +48,8 @@
#define assume DeepState_Assume
#define check DeepState_Check
#define rand DeepState_Int
#define MAYBE(...) \
if (DeepState_Bool()) { \
__VA_ARGS__ ; \
@ -603,36 +605,7 @@ DeepState_ForkAndRunTest(struct DeepState_TestInfo *test) {
return DeepState_TestRunCrash;
}
/* Run a test case with input initialized by fuzzing. */
static enum DeepState_TestRunResult
DeepState_FuzzOneTestCase(struct DeepState_TestInfo *test) {
DeepState_InputIndex = 0;
for (int i = 0; i < DeepState_InputSize; i++) {
DeepState_Input[i] = (char)rand();
}
DeepState_Begin(test);
enum DeepState_TestRunResult result = DeepState_ForkAndRunTest(test);
if (result == DeepState_TestRunCrash) {
DeepState_LogFormat(DeepState_LogError, "Crashed: %s", test->test_name);
if (HAS_FLAG_output_test_dir) {
DeepState_SaveCrashingTest();
}
DeepState_Crash();
}
if (FLAGS_abort_on_fail && ((result == DeepState_TestRunCrash) ||
(result == DeepState_TestRunFail))) {
abort();
}
return result;
}
enum DeepState_TestRunResult DeepState_FuzzOneTestCase(struct DeepState_TestInfo *test);
/* Run a single saved test case with input initialized from the file
* `name` in directory `dir`. */

33
src/lib/DeepState.c
View File

@ -23,6 +23,8 @@
#include <setjmp.h>
#include <stdio.h>
#undef rand
DEEPSTATE_BEGIN_EXTERN_C
DEFINE_uint(num_workers, 1,
@ -630,6 +632,37 @@ bool DeepState_CatchAbandoned(void) {
return DeepState_CurrentTestRun->result == DeepState_TestRunAbandon;
}
/* Run a test case with input initialized by fuzzing.
Has to be defined here since we redefine rand in the header. */
enum DeepState_TestRunResult DeepState_FuzzOneTestCase(struct DeepState_TestInfo *test) {
DeepState_InputIndex = 0;
for (int i = 0; i < DeepState_InputSize; i++) {
DeepState_Input[i] = (char)rand();
}
DeepState_Begin(test);
enum DeepState_TestRunResult result = DeepState_ForkAndRunTest(test);
if (result == DeepState_TestRunCrash) {
DeepState_LogFormat(DeepState_LogError, "Crashed: %s", test->test_name);
if (HAS_FLAG_output_test_dir) {
DeepState_SaveCrashingTest();
}
DeepState_Crash();
}
if (FLAGS_abort_on_fail && ((result == DeepState_TestRunCrash) ||
(result == DeepState_TestRunFail))) {
abort();
}
return result;
}
extern int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size > sizeof(DeepState_Input)) {
return 0; // Just ignore any too-big inputs