Fix null pointers.
MODIFY
utils/aflpp_driver/aflpp_driver.c
utils/aflpp_driver/aflpp_driver.c
@@ -198,7 +198,8 @@ size_t LLVMFuzzerMutate(uint8_t *Data, size_t Size, size_t MaxSize) {
}
// Execute any files provided as parameters.
-static int ExecuteFilesOnyByOne(int argc, char **argv) {
+static int ExecuteFilesOnyByOne(int argc, char **argv,
+ int (*callback)(const uint8_t *data, size_t size)) {
unsigned char *buf = (unsigned char *)malloc(MAX_FILE);
@@ -234,7 +235,7 @@ static int ExecuteFilesOnyByOne(int argc, char **argv) {
prev_length = length;
printf("Reading %zu bytes from %s\n", length, argv[i]);
- LLVMFuzzerTestOneInput(buf, length);
+ callback(buf, length);
printf("Execution successful.\n");
}
@@ -312,7 +313,7 @@ int LLVMFuzzerRunDriver(int *argcp, char ***argvp,
__afl_sharedmem_fuzzing = 0;
__afl_manual_init();
- return ExecuteFilesOnyByOne(argc, argv);
+ return ExecuteFilesOnyByOne(argc, argv, callback);
} else if (argc == 2 && argv[1][0] == '-') {
@@ -328,7 +329,7 @@ int LLVMFuzzerRunDriver(int *argcp, char ***argvp,
if (argc == 2) { __afl_manual_init(); }
- return ExecuteFilesOnyByOne(argc, argv);
+ return ExecuteFilesOnyByOne(argc, argv, callback);
}
@@ -338,7 +339,7 @@ int LLVMFuzzerRunDriver(int *argcp, char ***argvp,
// Call LLVMFuzzerTestOneInput here so that coverage caused by initialization
// on the first execution of LLVMFuzzerTestOneInput is ignored.
- LLVMFuzzerTestOneInput(dummy_input, 4);
+ callback(dummy_input, 4);
__asan_poison_memory_region(__afl_fuzz_ptr, MAX_FILE);
size_t prev_length = 0;
@@ -375,7 +376,7 @@ int LLVMFuzzerRunDriver(int *argcp, char ***argvp,
while (__afl_persistent_loop(N)) {
- LLVMFuzzerTestOneInput(__afl_fuzz_ptr, *__afl_fuzz_len);
+ callback(__afl_fuzz_ptr, *__afl_fuzz_len);
}

Fix null pointers.