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| author | vanhauser-thc <vh@thc.org> | 2024-02-04 16:08:57 +0100 |
|---|---|---|
| committer | vanhauser-thc <vh@thc.org> | 2024-02-04 16:08:57 +0100 |
| commit | 34a3060b0fee900331decce0bae55d4caefafc01 (patch) | |
| tree | 2fd696275b9bf72364e5116a5576ff410b4c01e5 | |
| parent | c77709cdd9b50832ed537dfd65d30bc7ffa79e7b (diff) | |
| download | afl++-34a3060b0fee900331decce0bae55d4caefafc01.tar.gz | |
config __afl_cmplog_max_len
| -rw-r--r-- | include/envs.h | 2 | ||||
| -rw-r--r-- | instrumentation/afl-compiler-rt.o.c | 9 |
2 files changed, 9 insertions, 2 deletions
diff --git a/include/envs.h b/include/envs.h index 0f645d23..8f342553 100644 --- a/include/envs.h +++ b/include/envs.h @@ -21,7 +21,7 @@ static char *afl_environment_variables[] = { "AFL_BENCH_UNTIL_CRASH", "AFL_CAL_FAST", "AFL_CC", "AFL_CC_COMPILER", "AFL_CMIN_ALLOW_ANY", "AFL_CMIN_CRASHES_ONLY", "AFL_CMPLOG_ONLY_NEW", "AFL_CODE_END", "AFL_CODE_START", "AFL_COMPCOV_BINNAME", - "AFL_COMPCOV_LEVEL", "AFL_CRASH_EXITCODE", + "AFL_CMPLOG_MAX_LEN", "AFL_COMPCOV_LEVEL", "AFL_CRASH_EXITCODE", "AFL_CRASHING_SEEDS_AS_NEW_CRASH", "AFL_CUSTOM_MUTATOR_LIBRARY", "AFL_CUSTOM_MUTATOR_ONLY", "AFL_CUSTOM_INFO_PROGRAM", "AFL_CUSTOM_INFO_PROGRAM_ARGV", "AFL_CUSTOM_INFO_PROGRAM_INPUT", diff --git a/instrumentation/afl-compiler-rt.o.c b/instrumentation/afl-compiler-rt.o.c index a154bcf7..c4177b08 100644 --- a/instrumentation/afl-compiler-rt.o.c +++ b/instrumentation/afl-compiler-rt.o.c @@ -186,7 +186,7 @@ __thread u32 __afl_prev_ctx; struct cmp_map *__afl_cmp_map; struct cmp_map *__afl_cmp_map_backup; -static u8 __afl_cmplog_max_len = 16; +static u8 __afl_cmplog_max_len = 32; // 16-32 /* Child pid? */ @@ -738,6 +738,13 @@ static void __afl_map_shm(void) { } + if (getenv("AFL_CMPLOG_MAX_LEN")) { + + int tmp = atoi(getenv("AFL_CMPLOG_MAX_LEN")); + if (tmp >= 16 && tmp <= 32) { __afl_cmplog_max_len = tmp; } + + } + } /* unmap SHM. */ |