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fixed alloc errors, code format

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This commit is contained in:
Dominik Maier
2020-11-18 02:33:47 +01:00
parent 54fdec0e51
commit 23f37ff505
6 changed files with 25 additions and 15 deletions
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6
src/afl-cc.c
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@ -1327,9 +1327,11 @@ int main(int argc, char **argv, char **envp) {
"filename\n");
#if LLVM_MAJOR < 9
#define COUNTER_BEHAVIOUR " AFL_LLVM_NOT_ZERO: use cycling trace counters that skip zero\n"
#define COUNTER_BEHAVIOUR \
" AFL_LLVM_NOT_ZERO: use cycling trace counters that skip zero\n"
#else
#define COUNTER_BEHAVIOUR " AFL_LLVM_SKIP_NEVERZERO: do not skip zero on trace counters\n"
#define COUNTER_BEHAVIOUR \
" AFL_LLVM_SKIP_NEVERZERO: do not skip zero on trace counters\n"
#endif
if (have_llvm)
SAYF(

6
src/afl-fuzz-python.c
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@ -96,7 +96,7 @@ static size_t fuzz_py(void *py_mutator, u8 *buf, size_t buf_size, u8 **out_buf,
mutated_size = PyByteArray_Size(py_value);
*out_buf = afl_realloc(BUF_PARAMS(fuzz), mutated_size);
if (unlikely(!out_buf)) { PFATAL("alloc"); }
if (unlikely(!*out_buf)) { PFATAL("alloc"); }
memcpy(*out_buf, PyByteArray_AsString(py_value), mutated_size);
Py_DECREF(py_value);
@ -579,7 +579,7 @@ size_t trim_py(void *py_mutator, u8 **out_buf) {
ret = PyByteArray_Size(py_value);
*out_buf = afl_realloc(BUF_PARAMS(trim), ret);
if (unlikely(!out_buf)) { PFATAL("alloc"); }
if (unlikely(!*out_buf)) { PFATAL("alloc"); }
memcpy(*out_buf, PyByteArray_AsString(py_value), ret);
Py_DECREF(py_value);
@ -645,7 +645,7 @@ size_t havoc_mutation_py(void *py_mutator, u8 *buf, size_t buf_size,
/* A new buf is needed... */
*out_buf = afl_realloc(BUF_PARAMS(havoc), mutated_size);
if (unlikely(!out_buf)) { PFATAL("alloc"); }
if (unlikely(!*out_buf)) { PFATAL("alloc"); }
}

7
src/afl-fuzz-queue.c
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@ -56,7 +56,12 @@ void create_alias_table(afl_state_t *afl) {
int * S = (u32 *)afl_realloc(AFL_BUF_PARAM(out_scratch), n * sizeof(u32));
int * L = (u32 *)afl_realloc(AFL_BUF_PARAM(in_scratch), n * sizeof(u32));
if (!P || !S || !L) { FATAL("could not aquire memory for alias table"); }
if (!P || !S || !L || !afl->alias_table || !afl->alias_probability) {
FATAL("could not aquire memory for alias table");
}
memset((void *)afl->alias_table, 0, n * sizeof(u32));
memset((void *)afl->alias_probability, 0, n * sizeof(double));

2
src/afl-fuzz.c
View File

@ -350,6 +350,7 @@ int main(int argc, char **argv_orig, char **envp) {
case 's': {
if (optarg == NULL) { FATAL("No valid seed provided. Got NULL."); }
rand_set_seed(afl, strtoul(optarg, 0L, 10));
afl->fixed_seed = 1;
break;
@ -419,6 +420,7 @@ int main(int argc, char **argv_orig, char **envp) {
case 'i': /* input dir */
if (afl->in_dir) { FATAL("Multiple -i options not supported"); }
if (afl->in_dir == NULL) { FATAL("Invalid -i option (got NULL)."); }
afl->in_dir = optarg;
if (!strcmp(afl->in_dir, "-")) { afl->in_place_resume = 1; }