diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/afl-cc.c | 3 | ||||
-rw-r--r-- | src/afl-forkserver.c | 3 | ||||
-rw-r--r-- | src/afl-fuzz-mutators.c | 12 | ||||
-rw-r--r-- | src/afl-fuzz-one.c | 1 | ||||
-rw-r--r-- | src/afl-fuzz-python.c | 30 | ||||
-rw-r--r-- | src/afl-fuzz-redqueen.c | 12 | ||||
-rw-r--r-- | src/afl-fuzz-run.c | 19 | ||||
-rw-r--r-- | src/afl-fuzz-stats.c | 13 | ||||
-rw-r--r-- | src/afl-ld-lto.c | 2 |
9 files changed, 79 insertions, 16 deletions
diff --git a/src/afl-cc.c b/src/afl-cc.c index c3c677b4..6faed538 100644 --- a/src/afl-cc.c +++ b/src/afl-cc.c @@ -1144,7 +1144,8 @@ static void edit_params(u32 argc, char **argv, char **envp) { if (!have_pic) { cc_params[cc_par_cnt++] = "-fPIC"; } - if (!getenv("AFL_LLVM_NO_RPATH")) { + if (compiler_mode != GCC_PLUGIN && compiler_mode != GCC && + !getenv("AFL_LLVM_NO_RPATH")) { // in case LLVM is installed not via a package manager or "make install" // e.g. compiled download or compiled from github then its ./lib directory diff --git a/src/afl-forkserver.c b/src/afl-forkserver.c index 9b710733..3f9bfa72 100644 --- a/src/afl-forkserver.c +++ b/src/afl-forkserver.c @@ -679,8 +679,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv, } - fsrv->nyx_runner = - fsrv->nyx_handlers->nyx_new(nyx_config, fsrv->nyx_bind_cpu_id); + fsrv->nyx_runner = fsrv->nyx_handlers->nyx_new(nyx_config, fsrv->nyx_id); ck_free(workdir_path); ck_free(outdir_path_absolute); diff --git a/src/afl-fuzz-mutators.c b/src/afl-fuzz-mutators.c index 64dbe7c6..17fb9368 100644 --- a/src/afl-fuzz-mutators.c +++ b/src/afl-fuzz-mutators.c @@ -397,6 +397,18 @@ struct custom_mutator *load_custom_mutator(afl_state_t *afl, const char *fn) { } + /* "afl_custom_post_run", optional */ + mutator->afl_custom_post_run = dlsym(dh, "afl_custom_post_run"); + if (!mutator->afl_custom_post_run) { + + ACTF("optional symbol 'afl_custom_post_run' not found."); + + } else { + + OKF("Found 'afl_custom_post_run'."); + + } + /* "afl_custom_queue_new_entry", optional */ mutator->afl_custom_queue_new_entry = dlsym(dh, "afl_custom_queue_new_entry"); if (!mutator->afl_custom_queue_new_entry) { diff --git a/src/afl-fuzz-one.c b/src/afl-fuzz-one.c index 67dafda8..01e34b69 100644 --- a/src/afl-fuzz-one.c +++ b/src/afl-fuzz-one.c @@ -1894,6 +1894,7 @@ custom_mutator_stage: LIST_FOREACH(&afl->custom_mutator_list, struct custom_mutator, { if (el->afl_custom_fuzz) { + havoc_queued = afl->queued_items; afl->current_custom_fuzz = el; diff --git a/src/afl-fuzz-python.c b/src/afl-fuzz-python.c index 7dad0770..4c7da774 100644 --- a/src/afl-fuzz-python.c +++ b/src/afl-fuzz-python.c @@ -249,6 +249,8 @@ static py_mutator_t *init_py_module(afl_state_t *afl, u8 *module_name) { PyObject_GetAttrString(py_module, "queue_get"); py_functions[PY_FUNC_FUZZ_SEND] = PyObject_GetAttrString(py_module, "fuzz_send"); + py_functions[PY_FUNC_POST_RUN] = + PyObject_GetAttrString(py_module, "post_run"); py_functions[PY_FUNC_SPLICE_OPTOUT] = PyObject_GetAttrString(py_module, "splice_optout"); if (py_functions[PY_FUNC_SPLICE_OPTOUT]) { afl->custom_splice_optout = 1; } @@ -468,6 +470,12 @@ struct custom_mutator *load_custom_mutator_py(afl_state_t *afl, } + if (py_functions[PY_FUNC_POST_RUN]) { + + mutator->afl_custom_post_run = post_run_py; + + } + if (py_functions[PY_FUNC_SPLICE_OPTOUT]) { mutator->afl_custom_splice_optout = splice_optout_py; @@ -925,6 +933,28 @@ void fuzz_send_py(void *py_mutator, const u8 *buf, size_t buf_size) { } +void post_run_py(void *py_mutator) { + + PyObject *py_args, *py_value; + + py_args = PyTuple_New(0); + py_value = PyObject_CallObject( + ((py_mutator_t *)py_mutator)->py_functions[PY_FUNC_POST_RUN], py_args); + Py_DECREF(py_args); + + if (py_value != NULL) { + + Py_DECREF(py_value); + + } else { + + PyErr_Print(); + FATAL("Call failed"); + + } + +} + u8 queue_new_entry_py(void *py_mutator, const u8 *filename_new_queue, const u8 *filename_orig_queue) { diff --git a/src/afl-fuzz-redqueen.c b/src/afl-fuzz-redqueen.c index 86e7f1cf..9e9b3822 100644 --- a/src/afl-fuzz-redqueen.c +++ b/src/afl-fuzz-redqueen.c @@ -1321,7 +1321,7 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, } else { #ifndef WORD_SIZE_64 - if (repl <= 0x00ffffffffffffff { + if (repl <= 0x00ffffffffffffff) { new_val = repl << 8; u8 scale_len = 0; @@ -1379,7 +1379,7 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, new_vall += (scale_len << 2) + 3; ilen = scale_len + 5; - if (ilen <= its_len) { + if (ilen <= its_len && ilen > 1) { u8 tmpbuf[32]; memcpy(tmpbuf, buf + idx, ilen); @@ -1403,7 +1403,7 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, if (do_call) { - if (ilen <= its_len) { + if (ilen <= its_len && ilen > 1) { u8 tmpbuf[32]; memcpy(tmpbuf, buf + idx, ilen); @@ -1421,7 +1421,7 @@ static u8 cmp_extend_encoding(afl_state_t *afl, struct cmp_header *h, } - // here we add and subract 1 from the value, but only if it is not an + // here we add and subtract 1 from the value, but only if it is not an // == or != comparison // Bits: 1 = Equal, 2 = Greater, 4 = Lesser, 8 = Float // 16 = modified float, 32 = modified integer (modified = wont match @@ -1906,6 +1906,8 @@ static u8 cmp_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u8 *cbuf, #endif + if (hshape < 2) { return 0; } + for (i = 0; i < loggeds; ++i) { struct cmp_operands *o = &afl->shm.cmp_map->log[key][i]; @@ -2698,6 +2700,8 @@ static u8 rtn_fuzz(afl_state_t *afl, u32 key, u8 *orig_buf, u8 *buf, u8 *cbuf, hshape = SHAPE_BYTES(h->shape); + if (hshape < 2) { return 0; } + if (h->hits > CMP_MAP_RTN_H) { loggeds = CMP_MAP_RTN_H; diff --git a/src/afl-fuzz-run.c b/src/afl-fuzz-run.c index ac4fb4a9..34a5ff81 100644 --- a/src/afl-fuzz-run.c +++ b/src/afl-fuzz-run.c @@ -60,6 +60,23 @@ fuzz_run_target(afl_state_t *afl, afl_forkserver_t *fsrv, u32 timeout) { fsrv_run_result_t res = afl_fsrv_run_target(fsrv, timeout, &afl->stop_soon); + /* If post_run() function is defined in custom mutator, the function will be + called each time after AFL++ executes the target program. */ + + if (unlikely(afl->custom_mutators_count)) { + + LIST_FOREACH(&afl->custom_mutator_list, struct custom_mutator, { + + if (unlikely(el->afl_custom_post_run)) { + + el->afl_custom_post_run(el->data); + + } + + }); + + } + #ifdef PROFILING clock_gettime(CLOCK_REALTIME, &spec); time_spent_start = (spec.tv_sec * 1000000000) + spec.tv_nsec; @@ -918,7 +935,7 @@ u8 trim_case(afl_state_t *afl, struct queue_entry *q, u8 *in_buf) { detected, it will still work to some extent, so we don't check for this. */ - if (q->len < 5) { return 0; } + if (unlikely(q->len < 5)) { return 0; } afl->stage_name = afl->stage_name_buf; afl->bytes_trim_in += q->len; diff --git a/src/afl-fuzz-stats.c b/src/afl-fuzz-stats.c index 66e32e78..deb28b7a 100644 --- a/src/afl-fuzz-stats.c +++ b/src/afl-fuzz-stats.c @@ -288,6 +288,8 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg, #ifndef __HAIKU__ if (getrusage(RUSAGE_CHILDREN, &rus)) { rus.ru_maxrss = 0; } #endif + u64 runtime = afl->prev_run_time + cur_time - afl->start_time; + if (!runtime) { runtime = 1; } fprintf( f, @@ -336,17 +338,14 @@ void write_stats_file(afl_state_t *afl, u32 t_bytes, double bitmap_cvg, "target_mode : %s%s%s%s%s%s%s%s%s%s\n" "command_line : %s\n", (afl->start_time - afl->prev_run_time) / 1000, cur_time / 1000, - (afl->prev_run_time + cur_time - afl->start_time) / 1000, (u32)getpid(), + runtime / 1000, (u32)getpid(), afl->queue_cycle ? (afl->queue_cycle - 1) : 0, afl->cycles_wo_finds, afl->longest_find_time > cur_time - afl->last_find_time ? afl->longest_find_time / 1000 : ((afl->start_time == 0 || afl->last_find_time == 0) ? 0 : (cur_time - afl->last_find_time) / 1000), - afl->fsrv.total_execs, - afl->fsrv.total_execs / - ((double)(afl->prev_run_time + get_cur_time() - afl->start_time) / - 1000), + afl->fsrv.total_execs, afl->fsrv.total_execs / ((double)(runtime) / 1000), afl->last_avg_execs_saved, afl->queued_items, afl->queued_favored, afl->queued_discovered, afl->queued_imported, afl->queued_variable, afl->max_depth, afl->current_entry, afl->pending_favored, @@ -1060,7 +1059,7 @@ void show_stats_normal(afl_state_t *afl) { sprintf(tmp, "%s (%s%s saved)", u_stringify_int(IB(0), afl->total_tmouts), u_stringify_int(IB(1), afl->saved_tmouts), - (afl->saved_hangs >= KEEP_UNIQUE_HANG) ? "+" : ""); + (afl->saved_tmouts >= KEEP_UNIQUE_HANG) ? "+" : ""); SAYF(bSTG bV bSTOP " total tmouts : " cRST "%-20s" bSTG bV "\n", tmp); @@ -1892,7 +1891,7 @@ void show_stats_pizza(afl_state_t *afl) { sprintf(tmp, "%s (%s%s saved)", u_stringify_int(IB(0), afl->total_tmouts), u_stringify_int(IB(1), afl->saved_tmouts), - (afl->saved_hangs >= KEEP_UNIQUE_HANG) ? "+" : ""); + (afl->saved_tmouts >= KEEP_UNIQUE_HANG) ? "+" : ""); SAYF(bSTG bV bSTOP " burned pizzas : " cRST "%-20s" bSTG bV "\n", diff --git a/src/afl-ld-lto.c b/src/afl-ld-lto.c index b1e6c848..7ce5de41 100644 --- a/src/afl-ld-lto.c +++ b/src/afl-ld-lto.c @@ -278,7 +278,7 @@ int main(int argc, char **argv) { if (getenv("AFL_LD_PASSTHROUGH") != NULL) passthrough = 1; if (getenv("AFL_REAL_LD") != NULL) real_ld = getenv("AFL_REAL_LD"); - if (!afl_path || !*afl_path) afl_path = "/usr/local/lib/afl"; + if (!afl_path || !*afl_path) afl_path = AFL_PATH; setenv("AFL_LD_CALLER", "1", 1); |