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Define AFL_CRASHING_SEEDS_AS_NEW_CRASH as env variable

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- and fix typo

Signed-off-by: Junwha <qbit@unist.ac.kr>
This commit is contained in:
Junwha
2023-08-04 18:36:58 +09:00
parent a61e1ffe4d
commit fcdfe9e990
4 changed files with 26 additions and 18 deletions
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6
include/afl-fuzz.h
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@ -1,3 +1,4 @@
/*
american fuzzy lop++ - fuzzer header
------------------------------------
@ -408,7 +409,7 @@ typedef struct afl_env_vars {
*afl_max_det_extras, *afl_statsd_host, *afl_statsd_port,
*afl_crash_exitcode, *afl_statsd_tags_flavor, *afl_testcache_size,
*afl_testcache_entries, *afl_child_kill_signal, *afl_fsrv_kill_signal,
*afl_target_env, *afl_persistent_record, *afl_exit_on_time;
*afl_target_env, *afl_persistent_record, *afl_exit_on_time, *afl_crashing_seeds_as_new_crash;
s32 afl_pizza_mode;
@ -539,8 +540,7 @@ typedef struct afl_state {
expand_havoc, /* perform expensive havoc after no find */
cycle_schedules, /* cycle power schedules? */
old_seed_selection, /* use vanilla afl seed selection */
reinit_table, /* reinit the queue weight table */
crashing_seeds_as_new_crash; /* treat crashing seeds as normal corpus */
reinit_table; /* reinit the queue weight table */
u8 *virgin_bits, /* Regions yet untouched by fuzzing */
*virgin_tmout, /* Bits we haven't seen in tmouts */

16
src/afl-fuzz-init.c
View File

@ -1056,18 +1056,20 @@ void perform_dry_run(afl_state_t *afl) {
"skipping",
fn, (int)(s8)afl->fsrv.crash_exitcode);
} else if (afl->crashing_seeds_as_new_crash) {
} else {
if (afl->afl_env.afl_crashing_seeds_as_new_crash) {
WARNF(
"Test case '%s' results in a crash, "
"as AFL_CRASHING_SEEDS_AS_NEW_CRASH is set, "
"saving as a crash", fn);
"saving as a new crash", fn);
} else {
WARNF("Test case '%s' results in a crash, skipping", fn);
}
}
if (afl->afl_env.afl_exit_on_seed_issues) {
@ -1085,8 +1087,8 @@ void perform_dry_run(afl_state_t *afl) {
}
/* Crashing corpus will regrad as normal, and categorized as new crash at fuzzing */
if (afl->crashing_seeds_as_new_crash) {
/* Crashing seeds will be regarded as new crashes on startup */
if (afl->afl_env.afl_crashing_seeds_as_new_crash) {
++afl->total_crashes;
@ -1139,9 +1141,6 @@ void perform_dry_run(afl_state_t *afl) {
} else {
q->disabled = 1;
q->perf_score = 0;
u32 i = 0;
while (unlikely(i < afl->queued_items && afl->queue_buf[i] &&
afl->queue_buf[i]->disabled)) {
@ -1171,6 +1170,9 @@ void perform_dry_run(afl_state_t *afl) {
}
q->disabled = 1;
q->perf_score = 0;
break;
case FSRV_RUN_ERROR:

7
src/afl-fuzz-state.c
View File

@ -200,6 +200,13 @@ void read_afl_environment(afl_state_t *afl, char **envp) {
afl->afl_env.afl_exit_on_time =
(u8 *)get_afl_env(afl_environment_variables[i]);
} else if (!strncmp(env, "AFL_CRASHING_SEEDS_AS_NEW_CRASH",
afl_environment_variable_len)) {
afl->afl_env.afl_crashing_seeds_as_new_crash =
atoi((u8 *)get_afl_env(afl_environment_variables[i]));
} else if (!strncmp(env, "AFL_NO_AFFINITY",
afl_environment_variable_len)) {

1
src/afl-fuzz.c
View File

@ -1573,7 +1573,6 @@ int main(int argc, char **argv_orig, char **envp) {
if (get_afl_env("AFL_NO_ARITH")) { afl->no_arith = 1; }
if (get_afl_env("AFL_SHUFFLE_QUEUE")) { afl->shuffle_queue = 1; }
if (get_afl_env("AFL_EXPAND_HAVOC_NOW")) { afl->expand_havoc = 1; }
if (get_afl_env("AFL_CRASHING_SEEDS_AS_NEW_CRASH")) { afl->crashing_seeds_as_new_crash = 1; }
if (afl->afl_env.afl_autoresume) {