diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/afl-fuzz.h | 13 | ||||
| -rw-r--r-- | include/common.h | 10 | ||||
| -rw-r--r-- | include/config.h | 46 | ||||
| -rw-r--r-- | include/coverage-32.h | 2 | ||||
| -rw-r--r-- | include/coverage-64.h | 4 | ||||
| -rw-r--r-- | include/envs.h | 13 |
6 files changed, 65 insertions, 23 deletions
diff --git a/include/afl-fuzz.h b/include/afl-fuzz.h index b1fba884..691ba148 100644 --- a/include/afl-fuzz.h +++ b/include/afl-fuzz.h @@ -390,7 +390,7 @@ typedef struct afl_env_vars { *afl_hang_tmout, *afl_forksrv_init_tmout, *afl_skip_crashes, *afl_preload, *afl_max_det_extras, *afl_statsd_host, *afl_statsd_port, *afl_crash_exitcode, *afl_statsd_tags_flavor, *afl_testcache_size, - *afl_testcache_entries, *afl_kill_signal, *afl_persistent_record; + *afl_testcache_entries, *afl_kill_signal, *afl_target_env, *afl_persistent_record; } afl_env_vars_t; @@ -425,7 +425,8 @@ typedef struct afl_state { really makes no sense to haul them around as function parameters. */ u64 orig_hit_cnt_puppet, last_limit_time_start, tmp_pilot_time, total_pacemaker_time, total_puppet_find, temp_puppet_find, most_time_key, - most_time, most_execs_key, most_execs, old_hit_count, force_ui_update; + most_time, most_execs_key, most_execs, old_hit_count, force_ui_update, + prev_run_time; MOpt_globals_t mopt_globals_core, mopt_globals_pilot; @@ -569,6 +570,7 @@ typedef struct afl_state { blocks_eff_total, /* Blocks subject to effector maps */ blocks_eff_select, /* Blocks selected as fuzzable */ start_time, /* Unix start time (ms) */ + last_sync_time, /* Time of last sync */ last_path_time, /* Time for most recent path (ms) */ last_crash_time, /* Time for most recent crash (ms) */ last_hang_time; /* Time for most recent hang (ms) */ @@ -648,6 +650,7 @@ typedef struct afl_state { u32 cmplog_max_filesize; u32 cmplog_lvl; u32 colorize_success; + u8 cmplog_enable_arith, cmplog_enable_transform; struct afl_pass_stat *pass_stats; struct cmp_map * orig_cmp_map; @@ -1059,6 +1062,7 @@ u8 has_new_bits_unclassified(afl_state_t *, u8 *); void load_extras_file(afl_state_t *, u8 *, u32 *, u32 *, u32); void load_extras(afl_state_t *, u8 *); void dedup_extras(afl_state_t *); +void deunicode_extras(afl_state_t *); void add_extra(afl_state_t *afl, u8 *mem, u32 len); void maybe_add_auto(afl_state_t *, u8 *, u32); void save_auto(afl_state_t *); @@ -1067,9 +1071,10 @@ void destroy_extras(afl_state_t *); /* Stats */ +void load_stats_file(afl_state_t *); void write_setup_file(afl_state_t *, u32, char **); -void write_stats_file(afl_state_t *, double, double, double); -void maybe_update_plot_file(afl_state_t *, double, double); +void write_stats_file(afl_state_t *, u32, double, double, double); +void maybe_update_plot_file(afl_state_t *, u32, double, double); void show_stats(afl_state_t *); void show_init_stats(afl_state_t *); diff --git a/include/common.h b/include/common.h index bb8831f2..7bba9e91 100644 --- a/include/common.h +++ b/include/common.h @@ -39,6 +39,7 @@ #define STRINGIFY_VAL_SIZE_MAX (16) void detect_file_args(char **argv, u8 *prog_in, bool *use_stdin); +void print_suggested_envs(char *mispelled_env); void check_environment_vars(char **env); char **argv_cpy_dup(int argc, char **argv); @@ -47,7 +48,10 @@ void argv_cpy_free(char **argv); char **get_qemu_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv); char **get_wine_argv(u8 *own_loc, u8 **target_path_p, int argc, char **argv); char * get_afl_env(char *env); -u8 * get_libqasan_path(u8 *own_loc); + +/* Extract env vars from input string and set them using setenv() + For use with AFL_TARGET_ENV, ... */ +bool extract_and_set_env(u8 *env_str); extern u8 be_quiet; extern u8 *doc_path; /* path to documentation dir */ @@ -57,6 +61,10 @@ extern u8 *doc_path; /* path to documentation dir */ u8 *find_binary(u8 *fname); +/* find an afl binary */ + +u8 *find_afl_binary(u8 *own_loc, u8 *fname); + /* Parses the kill signal environment variable, FATALs on error. If the env is not set, sets the env to default_signal for the signal handlers and returns the default_signal. */ diff --git a/include/config.h b/include/config.h index f6dbfae0..ab4c49f2 100644 --- a/include/config.h +++ b/include/config.h @@ -10,7 +10,7 @@ Dominik Maier <mail@dmnk.co> Copyright 2016, 2017 Google Inc. All rights reserved. - Copyright 2019-2020 AFLplusplus Project. All rights reserved. + Copyright 2019-2021 AFLplusplus Project. All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -25,8 +25,8 @@ /* Version string: */ -// c = release, d = volatile github dev, e = experimental branch -#define VERSION "++3.01a" +// c = release, a = volatile github dev, e = experimental branch +#define VERSION "++3.13a" /****************************************************** * * @@ -34,28 +34,41 @@ * * ******************************************************/ +/* Default shared memory map size. Most targets just need a coverage map + between 20-250kb. Plus there is an auto-detection feature in afl-fuzz. + However if a target has problematic constructors and init arrays then + this can fail. Hence afl-fuzz deploys a larger default map. The largest + map seen so far is the xlsx fuzzer for libreoffice which is 5MB. + At runtime this value can be overriden via AFL_MAP_SIZE. + Default: 8MB (defined in bytes) */ +#define DEFAULT_SHMEM_SIZE (8 * 1024 * 1024) + +/* Default file permission umode when creating files (default: 0600) */ +#define DEFAULT_PERMISSION 0600 + /* CMPLOG/REDQUEEN TUNING * - * Here you can tuning and solving options for cmplog. + * Here you can modify tuning and solving options for CMPLOG. * Note that these are run-time options for afl-fuzz, no target * recompilation required. * */ -/* Enable transform following (XOR/ADD/SUB manipulations, hex en/decoding) */ -// #define CMPLOG_TRANSFORM +/* if TRANSFORM is enabled with '-l T', this additionally enables base64 + encoding/decoding */ +// #define CMPLOG_SOLVE_TRANSFORM_BASE64 -/* if TRANSFORM is enabled, this additionally enables base64 en/decoding */ -// #define CMPLOG_TRANSFORM_BASE64 +/* If a redqueen pass finds more than one solution, try to combine them? */ +#define CMPLOG_COMBINE -/* Minimum % of the corpus to perform cmplog on. Default: 20% */ -#define CMPLOG_CORPUS_PERCENT 20U +/* Minimum % of the corpus to perform cmplog on. Default: 10% */ +#define CMPLOG_CORPUS_PERCENT 5U -/* Number of potential posititions from which we decide the cmplog becomes - useless, default 16384 */ -#define CMPLOG_POSITIONS_MAX 16384U +/* Number of potential positions from which we decide if cmplog becomes + useless, default 8096 */ +#define CMPLOG_POSITIONS_MAX (12 * 1024) -/* Maximum allowed fails per CMP value. Default: 32 * 3 */ +/* Maximum allowed fails per CMP value. Default: 128 */ #define CMPLOG_FAIL_MAX 96 /* Now non-cmplog configuration options */ @@ -288,6 +301,11 @@ #define SYNC_INTERVAL 8 +/* Sync time (minimum time between syncing in ms, time is halfed for -M main + nodes) - default is 30 minutes: */ + +#define SYNC_TIME (30 * 60 * 1000) + /* Output directory reuse grace period (minutes): */ #define OUTPUT_GRACE 25 diff --git a/include/coverage-32.h b/include/coverage-32.h index a5cc498c..ca36c29f 100644 --- a/include/coverage-32.h +++ b/include/coverage-32.h @@ -97,7 +97,7 @@ inline void discover_word(u8 *ret, u32 *current, u32 *virgin) { #define PACK_SIZE 16 inline u32 skim(const u32 *virgin, const u32 *current, const u32 *current_end) { - for (; current != current_end; virgin += 4, current += 4) { + for (; current < current_end; virgin += 4, current += 4) { if (current[0] && classify_word(current[0]) & virgin[0]) return 1; if (current[1] && classify_word(current[1]) & virgin[1]) return 1; diff --git a/include/coverage-64.h b/include/coverage-64.h index 0ede5fa5..54fe9d33 100644 --- a/include/coverage-64.h +++ b/include/coverage-64.h @@ -145,7 +145,7 @@ inline u32 skim(const u64 *virgin, const u64 *current, const u64 *current_end) { __m256i zeroes = _mm256_setzero_si256(); - for (; current != current_end; virgin += 4, current += 4) { + for (; current < current_end; virgin += 4, current += 4) { __m256i value = *(__m256i *)current; __m256i cmp = _mm256_cmpeq_epi64(value, zeroes); @@ -172,7 +172,7 @@ inline u32 skim(const u64 *virgin, const u64 *current, const u64 *current_end) { #define PACK_SIZE 32 inline u32 skim(const u64 *virgin, const u64 *current, const u64 *current_end) { - for (; current != current_end; virgin += 4, current += 4) { + for (; current < current_end; virgin += 4, current += 4) { if (current[0] && classify_word(current[0]) & virgin[0]) return 1; if (current[1] && classify_word(current[1]) & virgin[1]) return 1; diff --git a/include/envs.h b/include/envs.h index 6ba69f26..37adeff2 100644 --- a/include/envs.h +++ b/include/envs.h @@ -42,6 +42,7 @@ static char *afl_environment_variables[] = { "AFL_DEBUG_CHILD", "AFL_DEBUG_GDB", "AFL_DISABLE_TRIM", + "AFL_DISABLE_LLVM_INSTRUMENTATION", "AFL_DONT_OPTIMIZE", "AFL_DRIVER_STDERR_DUPLICATE_FILENAME", "AFL_DUMB_FORKSRV", @@ -50,6 +51,7 @@ static char *afl_environment_variables[] = { "AFL_FAST_CAL", "AFL_FORCE_UI", "AFL_FUZZER_ARGS", // oss-fuzz + "AFL_GDB", "AFL_GCC_ALLOWLIST", "AFL_GCC_DENYLIST", "AFL_GCC_BLOCKLIST", @@ -61,6 +63,7 @@ static char *afl_environment_variables[] = { "AFL_FORKSRV_INIT_TMOUT", "AFL_HARDEN", "AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES", + "AFL_IGNORE_UNKNOWN_ENVS", "AFL_IMPORT_FIRST", "AFL_INST_LIBS", "AFL_INST_RATIO", @@ -79,7 +82,9 @@ static char *afl_environment_variables[] = { "AFL_LLVM_BLOCKLIST", "AFL_LLVM_CMPLOG", "AFL_LLVM_INSTRIM", + "AFL_LLVM_CALLER", "AFL_LLVM_CTX", + "AFL_LLVM_CTX_K", "AFL_LLVM_DICT2FILE", "AFL_LLVM_DOCUMENT_IDS", "AFL_LLVM_INSTRIM_LOOPHEAD", @@ -117,20 +122,25 @@ static char *afl_environment_variables[] = { "AFL_NO_PYTHON", "AFL_UNTRACER_FILE", "AFL_LLVM_USE_TRACE_PC", - "AFL_NO_X86", // not really an env but we dont want to warn on it "AFL_MAP_SIZE", "AFL_MAPSIZE", "AFL_MAX_DET_EXTRAS", + "AFL_NO_X86", // not really an env but we dont want to warn on it + "AFL_NOOPT", + "AFL_PASSTHROUGH", "AFL_PATH", "AFL_PERFORMANCE_FILE", "AFL_PERSISTENT_RECORD", "AFL_PRELOAD", + "AFL_TARGET_ENV", "AFL_PYTHON_MODULE", + "AFL_QEMU_CUSTOM_BIN", "AFL_QEMU_COMPCOV", "AFL_QEMU_COMPCOV_DEBUG", "AFL_QEMU_DEBUG_MAPS", "AFL_QEMU_DISABLE_CACHE", "AFL_QEMU_DRIVER_NO_HOOK", + "AFL_QEMU_FORCE_DFL", "AFL_QEMU_PERSISTENT_ADDR", "AFL_QEMU_PERSISTENT_CNT", "AFL_QEMU_PERSISTENT_GPR", @@ -140,6 +150,7 @@ static char *afl_environment_variables[] = { "AFL_QEMU_PERSISTENT_RETADDR_OFFSET", "AFL_QEMU_PERSISTENT_EXITS", "AFL_QEMU_INST_RANGES", + "AFL_QEMU_EXCLUDE_RANGES", "AFL_QEMU_SNAPSHOT", "AFL_QUIET", "AFL_RANDOM_ALLOC_CANARY", |