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added AFL_MAP_SIZE to env help output

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van Hauser
2020-04-17 10:21:41 +02:00
parent ef311ec70c
commit 248a2f2f0b
5 changed files with 70 additions and 61 deletions
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62
src/afl-fuzz.c
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@ -150,44 +150,46 @@ static void usage(afl_state_t *afl, u8 *argv0, int more_help) {
if (more_help > 1)
SAYF(
"Environment variables used:\n"
"AFL_PATH: path to AFL support binaries\n"
"AFL_QUIET: suppress forkserver status messages\n"
"AFL_DEBUG_CHILD_OUTPUT: do not suppress stdout/stderr from target\n"
"LD_BIND_LAZY: do not set LD_BIND_NOW env var for target\n"
"AFL_BENCH_JUST_ONE: run the target just once\n"
"AFL_DUMB_FORKSRV: use fork server without feedback from target\n"
"AFL_CUSTOM_MUTATOR_LIBRARY: lib with afl_custom_fuzz() to mutate inputs\n"
"AFL_CUSTOM_MUTATOR_ONLY: avoid AFL++'s internal mutators\n"
"AFL_PYTHON_MODULE: mutate and trim inputs with the specified Python module\n"
"AFL_DEBUG: extra debugging output for Python mode trimming\n"
"AFL_DISABLE_TRIM: disable the trimming of test cases\n"
"AFL_NO_UI: switch status screen off\n"
"AFL_FORCE_UI: force showing the status screen (for virtual consoles)\n"
"AFL_NO_CPU_RED: avoid red color for showing very high cpu usage\n"
"AFL_SKIP_CPUFREQ: do not warn about variable cpu clocking\n"
"AFL_NO_SNAPSHOT: do not use the snapshot feature (if the snapshot lkm is loaded)\n"
"AFL_NO_FORKSRV: run target via execve instead of using the forkserver\n"
"AFL_NO_ARITH: skip arithmetic mutations in deterministic stage\n"
"AFL_SHUFFLE_QUEUE: reorder the input queue randomly on startup\n"
"AFL_FAST_CAL: limit the calibration stage to three cycles for speedup\n"
"AFL_HANG_TMOUT: override timeout value (in milliseconds)\n"
"AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
"AFL_TMPDIR: directory to use for input file generation (ramdisk recommended)\n"
"AFL_IMPORT_FIRST: sync and import test cases from other fuzzer instances first\n"
"AFL_NO_AFFINITY: do not check for an unused cpu core to use for fuzzing\n"
"AFL_POST_LIBRARY: postprocess generated test cases before use as target input\n"
"AFL_SKIP_CRASHES: during initial dry run do not terminate for crashing inputs\n"
"AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES: don't warn about core dump handlers\n"
"ASAN_OPTIONS: custom settings for ASAN\n"
" (must contain abort_on_error=1 and symbolize=0)\n"
"MSAN_OPTIONS: custom settings for MSAN\n"
" (must contain exitcode="STRINGIFY(MSAN_ERROR)" and symbolize=0)\n"
"AFL_AUTORESUME: resume fuzzing if directory specified by -o already exists\n"
"AFL_BENCH_JUST_ONE: run the target just once\n"
"AFL_BENCH_UNTIL_CRASH: exit soon when the first crashing input has been found\n"
"AFL_CUSTOM_MUTATOR_LIBRARY: lib with afl_custom_fuzz() to mutate inputs\n"
"AFL_CUSTOM_MUTATOR_ONLY: avoid AFL++'s internal mutators\n"
"AFL_DEBUG: extra debugging output for Python mode trimming\n"
"AFL_DEBUG_CHILD_OUTPUT: do not suppress stdout/stderr from target\n"
"AFL_DISABLE_TRIM: disable the trimming of test cases\n"
"AFL_DUMB_FORKSRV: use fork server without feedback from target\n"
"AFL_EXIT_WHEN_DONE: exit when all inputs are run and no new finds are found\n"
"AFL_FAST_CAL: limit the calibration stage to three cycles for speedup\n"
"AFL_FORCE_UI: force showing the status screen (for virtual consoles)\n"
"AFL_HANG_TMOUT: override timeout value (in milliseconds)\n"
"AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES: don't warn about core dump handlers\n"
"AFL_IMPORT_FIRST: sync and import test cases from other fuzzer instances first\n"
"AFL_MAP_SIZE: the shared memory size for that target. must be >= the size\n"
" the target was compiled for\n"
"AFL_NO_AFFINITY: do not check for an unused cpu core to use for fuzzing\n"
"AFL_NO_ARITH: skip arithmetic mutations in deterministic stage\n"
"AFL_NO_CPU_RED: avoid red color for showing very high cpu usage\n"
"AFL_NO_FORKSRV: run target via execve instead of using the forkserver\n"
"AFL_NO_SNAPSHOT: do not use the snapshot feature (if the snapshot lkm is loaded)\n"
"AFL_NO_UI: switch status screen off\n"
"AFL_PATH: path to AFL support binaries\n"
"AFL_POST_LIBRARY: postprocess generated test cases before use as target input\n"
"AFL_PYTHON_MODULE: mutate and trim inputs with the specified Python module\n"
"AFL_QUIET: suppress forkserver status messages\n"
"AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
"AFL_SHUFFLE_QUEUE: reorder the input queue randomly on startup\n"
"AFL_SKIP_BIN_CHECK: skip the check, if the target is an excutable\n"
"AFL_SKIP_CPUFREQ: do not warn about variable cpu clocking\n"
"AFL_SKIP_CRASHES: during initial dry run do not terminate for crashing inputs\n"
"AFL_TMPDIR: directory to use for input file generation (ramdisk recommended)\n"
//"AFL_PERSISTENT: not supported anymore -> no effect, just a warning\n"
//"AFL_DEFER_FORKSRV: not supported anymore -> no effect, just a warning\n"
"AFL_EXIT_WHEN_DONE: exit when all inputs are run and no new finds are found\n"
"AFL_BENCH_UNTIL_CRASH: exit soon when the first crashing input has been found\n"
"AFL_AUTORESUME: resume fuzzing if directory specified by -o already exists\n"
"\n"
);
else