diff options
Diffstat (limited to 'src/afl-fuzz.c')
| -rw-r--r-- | src/afl-fuzz.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c index 4339ddd2..4134b99e 100644 --- a/src/afl-fuzz.c +++ b/src/afl-fuzz.c @@ -1746,16 +1746,6 @@ int main(int argc, char **argv_orig, char **envp) { check_if_tty(afl); if (afl->afl_env.afl_force_ui) { afl->not_on_tty = 0; } - if (afl->afl_env.afl_custom_mutator_only) { - - /* This ensures we don't proceed to havoc/splice */ - afl->custom_only = 1; - - /* Ensure we also skip all deterministic steps */ - afl->skip_deterministic = 1; - - } - get_core_count(afl); atexit(at_exit); @@ -1816,7 +1806,7 @@ int main(int argc, char **argv_orig, char **envp) { } - { + if (!getenv("AFL_CUSTOM_INFO_PROGRAM_ARGV")) { u8 envbuf[8096] = "", tmpbuf[8096] = ""; for (s32 i = optind + 1; i < argc; ++i) { @@ -1847,10 +1837,41 @@ int main(int argc, char **argv_orig, char **envp) { } - setenv("AFL_CUSTOM_INFO_OUT", afl->out_dir, 1); // same as __AFL_OUT_DIR + if (!getenv("AFL_CUSTOM_INFO_OUT")) { + + setenv("AFL_CUSTOM_INFO_OUT", afl->out_dir, 1); // same as __AFL_OUT_DIR + + } setup_custom_mutators(afl); + if (afl->afl_env.afl_custom_mutator_only) { + + if (!afl->custom_mutators_count) { + + if (afl->shm.cmplog_mode) { + + WARNF( + "No custom mutator loaded, using AFL_CUSTOM_MUTATOR_ONLY is " + "pointless and only allowed now to allow experiments with CMPLOG."); + + } else { + + FATAL( + "No custom mutator loaded but AFL_CUSTOM_MUTATOR_ONLY specified."); + + } + + } + + /* This ensures we don't proceed to havoc/splice */ + afl->custom_only = 1; + + /* Ensure we also skip all deterministic steps */ + afl->skip_deterministic = 1; + + } + if (afl->limit_time_sig > 0 && afl->custom_mutators_count) { if (afl->custom_only) { |