| /* |
| american fuzzy lop++ - stats related routines |
| --------------------------------------------- |
| |
| Originally written by Michal Zalewski |
| |
| Now maintained by Marc Heuse <mh@mh-sec.de>, |
| Heiko Eißfeldt <heiko.eissfeldt@hexco.de> and |
| Andrea Fioraldi <andreafioraldi@gmail.com> |
| |
| Copyright 2016, 2017 Google Inc. All rights reserved. |
| Copyright 2019-2020 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. |
| You may obtain a copy of the License at: |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| This is the real deal: the program takes an instrumented binary and |
| attempts a variety of basic fuzzing tricks, paying close attention to |
| how they affect the execution path. |
| |
| */ |
| |
| #include "afl-fuzz.h" |
| |
| /* Update stats file for unattended monitoring. */ |
| |
| void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability, |
| double eps) { |
| |
| struct rusage rus; |
| |
| unsigned long long int cur_time = get_cur_time(); |
| u8 fn[PATH_MAX]; |
| s32 fd; |
| FILE * f; |
| |
| snprintf(fn, PATH_MAX, "%s/fuzzer_stats", afl->out_dir); |
| |
| fd = open(fn, O_WRONLY | O_CREAT | O_TRUNC, 0600); |
| |
| if (fd < 0) PFATAL("Unable to create '%s'", fn); |
| |
| f = fdopen(fd, "w"); |
| |
| if (!f) PFATAL("fdopen() failed"); |
| |
| /* Keep last values in case we're called from another context |
| where exec/sec stats and such are not readily available. */ |
| |
| if (!bitmap_cvg && !stability && !eps) { |
| |
| bitmap_cvg = afl->last_bitmap_cvg; |
| stability = afl->last_stability; |
| eps = afl->last_eps; |
| |
| } else { |
| |
| afl->last_bitmap_cvg = bitmap_cvg; |
| afl->last_stability = stability; |
| afl->last_eps = eps; |
| |
| } |
| |
| if (getrusage(RUSAGE_CHILDREN, &rus)) rus.ru_maxrss = 0; |
| |
| fprintf( |
| f, |
| "start_time : %llu\n" |
| "last_update : %llu\n" |
| "run_time : %llu\n" |
| "fuzzer_pid : %d\n" |
| "cycles_done : %llu\n" |
| "cycles_wo_finds : %llu\n" |
| "execs_done : %llu\n" |
| "execs_per_sec : %0.02f\n" |
| // "real_execs_per_sec: %0.02f\n" // damn the name is too long |
| "paths_total : %u\n" |
| "paths_favored : %u\n" |
| "paths_found : %u\n" |
| "paths_imported : %u\n" |
| "max_depth : %u\n" |
| "cur_path : %u\n" /* Must match find_start_position() */ |
| "pending_favs : %u\n" |
| "pending_total : %u\n" |
| "variable_paths : %u\n" |
| "stability : %0.02f%%\n" |
| "bitmap_cvg : %0.02f%%\n" |
| "unique_crashes : %llu\n" |
| "unique_hangs : %llu\n" |
| "last_path : %llu\n" |
| "last_crash : %llu\n" |
| "last_hang : %llu\n" |
| "execs_since_crash : %llu\n" |
| "exec_timeout : %u\n" |
| "slowest_exec_ms : %llu\n" |
| "peak_rss_mb : %lu\n" |
| "afl_banner : %s\n" |
| "afl_version : " VERSION |
| "\n" |
| "target_mode : %s%s%s%s%s%s%s%s\n" |
| "command_line : %s\n", |
| afl->start_time / 1000, cur_time / 1000, |
| (cur_time - afl->start_time) / 1000, getpid(), |
| afl->queue_cycle ? (afl->queue_cycle - 1) : 0, afl->cycles_wo_finds, |
| afl->total_execs, |
| afl->total_execs / ((double)(get_cur_time() - afl->start_time) / 1000), |
| afl->queued_paths, afl->queued_favored, afl->queued_discovered, |
| afl->queued_imported, afl->max_depth, afl->current_entry, |
| afl->pending_favored, afl->pending_not_fuzzed, afl->queued_variable, |
| stability, bitmap_cvg, afl->unique_crashes, afl->unique_hangs, |
| afl->last_path_time / 1000, afl->last_crash_time / 1000, |
| afl->last_hang_time / 1000, afl->total_execs - afl->last_crash_execs, |
| afl->fsrv.exec_tmout, afl->slowest_exec_ms, |
| #ifdef __APPLE__ |
| (unsigned long int)(rus.ru_maxrss >> 20), |
| #else |
| (unsigned long int)(rus.ru_maxrss >> 10), |
| #endif |
| afl->use_banner, afl->unicorn_mode ? "unicorn" : "", |
| afl->qemu_mode ? "qemu " : "", afl->dumb_mode ? " dumb " : "", |
| afl->no_forkserver ? "no_fsrv " : "", afl->crash_mode ? "crash " : "", |
| afl->persistent_mode ? "persistent " : "", |
| afl->deferred_mode ? "deferred " : "", |
| (afl->unicorn_mode || afl->qemu_mode || afl->dumb_mode || |
| afl->no_forkserver || afl->crash_mode || afl->persistent_mode || |
| afl->deferred_mode) |
| ? "" |
| : "default", |
| afl->orig_cmdline); |
| /* ignore errors */ |
| |
| fclose(f); |
| |
| } |
| |
| /* Update the plot file if there is a reason to. */ |
| |
| void maybe_update_plot_file(afl_state_t *afl, double bitmap_cvg, double eps) { |
| |
| if (afl->plot_prev_qp == afl->queued_paths && |
| afl->plot_prev_pf == afl->pending_favored && |
| afl->plot_prev_pnf == afl->pending_not_fuzzed && |
| afl->plot_prev_ce == afl->current_entry && |
| afl->plot_prev_qc == afl->queue_cycle && |
| afl->plot_prev_uc == afl->unique_crashes && |
| afl->plot_prev_uh == afl->unique_hangs && |
| afl->plot_prev_md == afl->max_depth) |
| return; |
| |
| afl->plot_prev_qp = afl->queued_paths; |
| afl->plot_prev_pf = afl->pending_favored; |
| afl->plot_prev_pnf = afl->pending_not_fuzzed; |
| afl->plot_prev_ce = afl->current_entry; |
| afl->plot_prev_qc = afl->queue_cycle; |
| afl->plot_prev_uc = afl->unique_crashes; |
| afl->plot_prev_uh = afl->unique_hangs; |
| afl->plot_prev_md = afl->max_depth; |
| |
| /* Fields in the file: |
| |
| unix_time, afl->cycles_done, cur_path, paths_total, paths_not_fuzzed, |
| favored_not_fuzzed, afl->unique_crashes, afl->unique_hangs, afl->max_depth, |
| execs_per_sec */ |
| |
| fprintf(afl->fsrv.plot_file, |
| "%llu, %llu, %u, %u, %u, %u, %0.02f%%, %llu, %llu, %u, %0.02f\n", |
| get_cur_time() / 1000, afl->queue_cycle - 1, afl->current_entry, |
| afl->queued_paths, afl->pending_not_fuzzed, afl->pending_favored, |
| bitmap_cvg, afl->unique_crashes, afl->unique_hangs, afl->max_depth, |
| eps); /* ignore errors */ |
| |
| fflush(afl->fsrv.plot_file); |
| |
| } |
| |
| /* Check terminal dimensions after resize. */ |
| |
| static void check_term_size(afl_state_t *afl) { |
| |
| struct winsize ws; |
| |
| afl->term_too_small = 0; |
| |
| if (ioctl(1, TIOCGWINSZ, &ws)) return; |
| |
| if (ws.ws_row == 0 || ws.ws_col == 0) return; |
| if (ws.ws_row < 24 || ws.ws_col < 79) afl->term_too_small = 1; |
| |
| } |
| |
| /* A spiffy retro stats screen! This is called every afl->stats_update_freq |
| execve() calls, plus in several other circumstances. */ |
| |
| void show_stats(afl_state_t *afl) { |
| |
| double t_byte_ratio, stab_ratio; |
| |
| u64 cur_ms; |
| u32 t_bytes, t_bits; |
| |
| u32 banner_len, banner_pad; |
| u8 tmp[256]; |
| u8 time_tmp[64]; |
| |
| u8 val_buf[8][STRINGIFY_VAL_SIZE_MAX]; |
| #define IB(i) (val_buf[(i)]) |
| |
| cur_ms = get_cur_time(); |
| |
| /* If not enough time has passed since last UI update, bail out. */ |
| |
| if (cur_ms - afl->stats_last_ms < 1000 / UI_TARGET_HZ && |
| !afl->force_ui_update) |
| return; |
| |
| /* Check if we're past the 10 minute mark. */ |
| |
| if (cur_ms - afl->start_time > 10 * 60 * 1000) afl->run_over10m = 1; |
| |
| /* Calculate smoothed exec speed stats. */ |
| |
| if (!afl->stats_last_execs) { |
| |
| afl->stats_avg_exec = |
| ((double)afl->total_execs) * 1000 / (cur_ms - afl->start_time); |
| |
| } else { |
| |
| double cur_avg = ((double)(afl->total_execs - afl->stats_last_execs)) * |
| 1000 / (cur_ms - afl->stats_last_ms); |
| |
| /* If there is a dramatic (5x+) jump in speed, reset the indicator |
| more quickly. */ |
| |
| if (cur_avg * 5 < afl->stats_avg_exec || cur_avg / 5 > afl->stats_avg_exec) |
| afl->stats_avg_exec = cur_avg; |
| |
| afl->stats_avg_exec = afl->stats_avg_exec * (1.0 - 1.0 / AVG_SMOOTHING) + |
| cur_avg * (1.0 / AVG_SMOOTHING); |
| |
| } |
| |
| afl->stats_last_ms = cur_ms; |
| afl->stats_last_execs = afl->total_execs; |
| |
| /* Tell the callers when to contact us (as measured in execs). */ |
| |
| afl->stats_update_freq = afl->stats_avg_exec / (UI_TARGET_HZ * 10); |
| if (!afl->stats_update_freq) afl->stats_update_freq = 1; |
| |
| /* Do some bitmap stats. */ |
| |
| t_bytes = count_non_255_bytes(afl->virgin_bits); |
| t_byte_ratio = ((double)t_bytes * 100) / MAP_SIZE; |
| |
| if (t_bytes) |
| stab_ratio = 100 - ((double)afl->var_byte_count) * 100 / t_bytes; |
| else |
| stab_ratio = 100; |
| |
| /* Roughly every minute, update fuzzer stats and save auto tokens. */ |
| |
| if (cur_ms - afl->stats_last_stats_ms > STATS_UPDATE_SEC * 1000) { |
| |
| afl->stats_last_stats_ms = cur_ms; |
| write_stats_file(afl, t_byte_ratio, stab_ratio, afl->stats_avg_exec); |
| save_auto(afl); |
| write_bitmap(afl); |
| |
| } |
| |
| /* Every now and then, write plot data. */ |
| |
| if (cur_ms - afl->stats_last_plot_ms > PLOT_UPDATE_SEC * 1000) { |
| |
| afl->stats_last_plot_ms = cur_ms; |
| maybe_update_plot_file(afl, t_byte_ratio, afl->stats_avg_exec); |
| |
| } |
| |
| /* Honor AFL_EXIT_WHEN_DONE and AFL_BENCH_UNTIL_CRASH. */ |
| |
| if (!afl->dumb_mode && afl->cycles_wo_finds > 100 && |
| !afl->pending_not_fuzzed && afl->afl_env.afl_exit_when_done) |
| afl->stop_soon = 2; |
| |
| if (afl->total_crashes && afl->afl_env.afl_bench_until_crash) |
| afl->stop_soon = 2; |
| |
| /* If we're not on TTY, bail out. */ |
| |
| if (afl->not_on_tty) return; |
| |
| /* If we haven't started doing things, bail out. */ |
| |
| if (!afl->queue_cur) return; |
| |
| /* Compute some mildly useful bitmap stats. */ |
| |
| t_bits = (MAP_SIZE << 3) - count_bits(afl->virgin_bits); |
| |
| /* Now, for the visuals... */ |
| |
| if (afl->clear_screen) { |
| |
| SAYF(TERM_CLEAR CURSOR_HIDE); |
| afl->clear_screen = 0; |
| |
| check_term_size(afl); |
| |
| } |
| |
| SAYF(TERM_HOME); |
| |
| if (afl->term_too_small) { |
| |
| SAYF(cBRI |
| "Your terminal is too small to display the UI.\n" |
| "Please resize terminal window to at least 79x24.\n" cRST); |
| |
| return; |
| |
| } |
| |
| /* Let's start by drawing a centered banner. */ |
| |
| banner_len = (afl->crash_mode ? 24 : 22) + strlen(VERSION) + |
| strlen(afl->use_banner) + strlen(afl->power_name) + 3 + 5; |
| banner_pad = (79 - banner_len) / 2; |
| memset(tmp, ' ', banner_pad); |
| |
| #ifdef HAVE_AFFINITY |
| sprintf( |
| tmp + banner_pad, |
| "%s " cLCY VERSION cLGN " (%s) " cPIN "[%s]" cBLU " {%d}", |
| afl->crash_mode ? cPIN "peruvian were-rabbit" : cYEL "american fuzzy lop", |
| afl->use_banner, afl->power_name, afl->cpu_aff); |
| #else |
| sprintf( |
| tmp + banner_pad, "%s " cLCY VERSION cLGN " (%s) " cPIN "[%s]", |
| afl->crash_mode ? cPIN "peruvian were-rabbit" : cYEL "american fuzzy lop", |
| afl->use_banner, afl->power_name); |
| #endif /* HAVE_AFFINITY */ |
| |
| SAYF("\n%s\n", tmp); |
| |
| /* "Handy" shortcuts for drawing boxes... */ |
| |
| #define bSTG bSTART cGRA |
| #define bH2 bH bH |
| #define bH5 bH2 bH2 bH |
| #define bH10 bH5 bH5 |
| #define bH20 bH10 bH10 |
| #define bH30 bH20 bH10 |
| #define SP5 " " |
| #define SP10 SP5 SP5 |
| #define SP20 SP10 SP10 |
| |
| /* Lord, forgive me this. */ |
| |
| SAYF(SET_G1 bSTG bLT bH bSTOP cCYA |
| " process timing " bSTG bH30 bH5 bH bHB bH bSTOP cCYA |
| " overall results " bSTG bH2 bH2 bRT "\n"); |
| |
| if (afl->dumb_mode) { |
| |
| strcpy(tmp, cRST); |
| |
| } else { |
| |
| u64 min_wo_finds = (cur_ms - afl->last_path_time) / 1000 / 60; |
| |
| /* First queue cycle: don't stop now! */ |
| if (afl->queue_cycle == 1 || min_wo_finds < 15) |
| strcpy(tmp, cMGN); |
| else |
| |
| /* Subsequent cycles, but we're still making finds. */ |
| if (afl->cycles_wo_finds < 25 || min_wo_finds < 30) |
| strcpy(tmp, cYEL); |
| else |
| |
| /* No finds for a long time and no test cases to try. */ |
| if (afl->cycles_wo_finds > 100 && !afl->pending_not_fuzzed && |
| min_wo_finds > 120) |
| strcpy(tmp, cLGN); |
| |
| /* Default: cautiously OK to stop? */ |
| else |
| strcpy(tmp, cLBL); |
| |
| } |
| |
| u_stringify_time_diff(time_tmp, cur_ms, afl->start_time); |
| SAYF(bV bSTOP " run time : " cRST "%-33s " bSTG bV bSTOP |
| " cycles done : %s%-5s " bSTG bV "\n", |
| time_tmp, tmp, u_stringify_int(IB(0), afl->queue_cycle - 1)); |
| |
| /* We want to warn people about not seeing new paths after a full cycle, |
| except when resuming fuzzing or running in non-instrumented mode. */ |
| |
| if (!afl->dumb_mode && |
| (afl->last_path_time || afl->resuming_fuzz || afl->queue_cycle == 1 || |
| afl->in_bitmap || afl->crash_mode)) { |
| |
| u_stringify_time_diff(time_tmp, cur_ms, afl->last_path_time); |
| SAYF(bV bSTOP " last new path : " cRST "%-33s ", time_tmp); |
| |
| } else { |
| |
| if (afl->dumb_mode) |
| |
| SAYF(bV bSTOP " last new path : " cPIN "n/a" cRST |
| " (non-instrumented mode) "); |
| |
| else |
| |
| SAYF(bV bSTOP " last new path : " cRST "none yet " cLRD |
| "(odd, check syntax!) "); |
| |
| } |
| |
| SAYF(bSTG bV bSTOP " total paths : " cRST "%-5s " bSTG bV "\n", |
| u_stringify_int(IB(0), afl->queued_paths)); |
| |
| /* Highlight crashes in red if found, denote going over the KEEP_UNIQUE_CRASH |
| limit with a '+' appended to the count. */ |
| |
| sprintf(tmp, "%s%s", u_stringify_int(IB(0), afl->unique_crashes), |
| (afl->unique_crashes >= KEEP_UNIQUE_CRASH) ? "+" : ""); |
| |
| u_stringify_time_diff(time_tmp, cur_ms, afl->last_crash_time); |
| SAYF(bV bSTOP " last uniq crash : " cRST "%-33s " bSTG bV bSTOP |
| " uniq crashes : %s%-6s" bSTG bV "\n", |
| time_tmp, afl->unique_crashes ? cLRD : cRST, tmp); |
| |
| sprintf(tmp, "%s%s", u_stringify_int(IB(0), afl->unique_hangs), |
| (afl->unique_hangs >= KEEP_UNIQUE_HANG) ? "+" : ""); |
| |
| u_stringify_time_diff(time_tmp, cur_ms, afl->last_hang_time); |
| SAYF(bV bSTOP " last uniq hang : " cRST "%-33s " bSTG bV bSTOP |
| " uniq hangs : " cRST "%-6s" bSTG bV "\n", |
| time_tmp, tmp); |
| |
| SAYF(bVR bH bSTOP cCYA |
| " cycle progress " bSTG bH10 bH5 bH2 bH2 bHB bH bSTOP cCYA |
| " map coverage " bSTG bH bHT bH20 bH2 bVL "\n"); |
| |
| /* This gets funny because we want to print several variable-length variables |
| together, but then cram them into a fixed-width field - so we need to |
| put them in a temporary buffer first. */ |
| |
| sprintf(tmp, "%s%s%u (%0.01f%%)", u_stringify_int(IB(0), afl->current_entry), |
| afl->queue_cur->favored ? "." : "*", afl->queue_cur->fuzz_level, |
| ((double)afl->current_entry * 100) / afl->queued_paths); |
| |
| SAYF(bV bSTOP " now processing : " cRST "%-16s " bSTG bV bSTOP, tmp); |
| |
| sprintf(tmp, "%0.02f%% / %0.02f%%", |
| ((double)afl->queue_cur->bitmap_size) * 100 / MAP_SIZE, t_byte_ratio); |
| |
| SAYF(" map density : %s%-21s" bSTG bV "\n", |
| t_byte_ratio > 70 ? cLRD |
| : ((t_bytes < 200 && !afl->dumb_mode) ? cPIN : cRST), |
| tmp); |
| |
| sprintf(tmp, "%s (%0.02f%%)", u_stringify_int(IB(0), afl->cur_skipped_paths), |
| ((double)afl->cur_skipped_paths * 100) / afl->queued_paths); |
| |
| SAYF(bV bSTOP " paths timed out : " cRST "%-16s " bSTG bV, tmp); |
| |
| sprintf(tmp, "%0.02f bits/tuple", t_bytes ? (((double)t_bits) / t_bytes) : 0); |
| |
| SAYF(bSTOP " count coverage : " cRST "%-21s" bSTG bV "\n", tmp); |
| |
| SAYF(bVR bH bSTOP cCYA |
| " stage progress " bSTG bH10 bH5 bH2 bH2 bX bH bSTOP cCYA |
| " findings in depth " bSTG bH10 bH5 bH2 bH2 bVL "\n"); |
| |
| sprintf(tmp, "%s (%0.02f%%)", u_stringify_int(IB(0), afl->queued_favored), |
| ((double)afl->queued_favored) * 100 / afl->queued_paths); |
| |
| /* Yeah... it's still going on... halp? */ |
| |
| SAYF(bV bSTOP " now trying : " cRST "%-20s " bSTG bV bSTOP |
| " favored paths : " cRST "%-22s" bSTG bV "\n", |
| afl->stage_name, tmp); |
| |
| if (!afl->stage_max) { |
| |
| sprintf(tmp, "%s/-", u_stringify_int(IB(0), afl->stage_cur)); |
| |
| } else { |
| |
| sprintf(tmp, "%s/%s (%0.02f%%)", u_stringify_int(IB(0), afl->stage_cur), |
| u_stringify_int(IB(1), afl->stage_max), |
| ((double)afl->stage_cur) * 100 / afl->stage_max); |
| |
| } |
| |
| SAYF(bV bSTOP " stage execs : " cRST "%-21s" bSTG bV bSTOP, tmp); |
| |
| sprintf(tmp, "%s (%0.02f%%)", u_stringify_int(IB(0), afl->queued_with_cov), |
| ((double)afl->queued_with_cov) * 100 / afl->queued_paths); |
| |
| SAYF(" new edges on : " cRST "%-22s" bSTG bV "\n", tmp); |
| |
| sprintf(tmp, "%s (%s%s unique)", u_stringify_int(IB(0), afl->total_crashes), |
| u_stringify_int(IB(1), afl->unique_crashes), |
| (afl->unique_crashes >= KEEP_UNIQUE_CRASH) ? "+" : ""); |
| |
| if (afl->crash_mode) { |
| |
| SAYF(bV bSTOP " total execs : " cRST "%-20s " bSTG bV bSTOP |
| " new crashes : %s%-22s" bSTG bV "\n", |
| u_stringify_int(IB(0), afl->total_execs), |
| afl->unique_crashes ? cLRD : cRST, tmp); |
| |
| } else { |
| |
| SAYF(bV bSTOP " total execs : " cRST "%-20s " bSTG bV bSTOP |
| " total crashes : %s%-22s" bSTG bV "\n", |
| u_stringify_int(IB(0), afl->total_execs), |
| afl->unique_crashes ? cLRD : cRST, tmp); |
| |
| } |
| |
| /* Show a warning about slow execution. */ |
| |
| if (afl->stats_avg_exec < 100) { |
| |
| sprintf(tmp, "%s/sec (%s)", u_stringify_float(IB(0), afl->stats_avg_exec), |
| afl->stats_avg_exec < 20 ? "zzzz..." : "slow!"); |
| |
| SAYF(bV bSTOP " exec speed : " cLRD "%-20s ", tmp); |
| |
| } else { |
| |
| sprintf(tmp, "%s/sec", u_stringify_float(IB(0), afl->stats_avg_exec)); |
| SAYF(bV bSTOP " exec speed : " cRST "%-20s ", tmp); |
| |
| } |
| |
| sprintf(tmp, "%s (%s%s unique)", u_stringify_int(IB(0), afl->total_tmouts), |
| u_stringify_int(IB(1), afl->unique_tmouts), |
| (afl->unique_hangs >= KEEP_UNIQUE_HANG) ? "+" : ""); |
| |
| SAYF(bSTG bV bSTOP " total tmouts : " cRST "%-22s" bSTG bV "\n", tmp); |
| |
| /* Aaaalmost there... hold on! */ |
| |
| SAYF(bVR bH cCYA bSTOP |
| " fuzzing strategy yields " bSTG bH10 bHT bH10 bH5 bHB bH bSTOP cCYA |
| " path geometry " bSTG bH5 bH2 bVL "\n"); |
| |
| if (afl->skip_deterministic) { |
| |
| strcpy(tmp, "n/a, n/a, n/a"); |
| |
| } else { |
| |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_FLIP1]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_FLIP1]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_FLIP2]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_FLIP2]), |
| u_stringify_int(IB(3), afl->stage_finds[STAGE_FLIP4]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_FLIP4])); |
| |
| } |
| |
| SAYF(bV bSTOP " bit flips : " cRST "%-36s " bSTG bV bSTOP |
| " levels : " cRST "%-10s" bSTG bV "\n", |
| tmp, u_stringify_int(IB(0), afl->max_depth)); |
| |
| if (!afl->skip_deterministic) |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_FLIP8]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_FLIP8]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_FLIP16]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_FLIP16]), |
| u_stringify_int(IB(4), afl->stage_finds[STAGE_FLIP32]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_FLIP32])); |
| |
| SAYF(bV bSTOP " byte flips : " cRST "%-36s " bSTG bV bSTOP |
| " pending : " cRST "%-10s" bSTG bV "\n", |
| tmp, u_stringify_int(IB(0), afl->pending_not_fuzzed)); |
| |
| if (!afl->skip_deterministic) |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_ARITH8]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_ARITH8]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_ARITH16]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_ARITH16]), |
| u_stringify_int(IB(4), afl->stage_finds[STAGE_ARITH32]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_ARITH32])); |
| |
| SAYF(bV bSTOP " arithmetics : " cRST "%-36s " bSTG bV bSTOP |
| " pend fav : " cRST "%-10s" bSTG bV "\n", |
| tmp, u_stringify_int(IB(0), afl->pending_favored)); |
| |
| if (!afl->skip_deterministic) |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_INTEREST8]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_INTEREST8]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_INTEREST16]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_INTEREST16]), |
| u_stringify_int(IB(4), afl->stage_finds[STAGE_INTEREST32]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_INTEREST32])); |
| |
| SAYF(bV bSTOP " known ints : " cRST "%-36s " bSTG bV bSTOP |
| " own finds : " cRST "%-10s" bSTG bV "\n", |
| tmp, u_stringify_int(IB(0), afl->queued_discovered)); |
| |
| if (!afl->skip_deterministic) |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_EXTRAS_UO]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_EXTRAS_UO]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_EXTRAS_UI]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_EXTRAS_UI]), |
| u_stringify_int(IB(4), afl->stage_finds[STAGE_EXTRAS_AO]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_EXTRAS_AO])); |
| |
| SAYF(bV bSTOP " dictionary : " cRST "%-36s " bSTG bV bSTOP |
| " imported : " cRST "%-10s" bSTG bV "\n", |
| tmp, |
| afl->sync_id ? u_stringify_int(IB(0), afl->queued_imported) |
| : (u8 *)"n/a"); |
| |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_HAVOC]), |
| u_stringify_int(IB(2), afl->stage_cycles[STAGE_HAVOC]), |
| u_stringify_int(IB(3), afl->stage_finds[STAGE_SPLICE]), |
| u_stringify_int(IB(4), afl->stage_cycles[STAGE_SPLICE]), |
| u_stringify_int(IB(5), afl->stage_finds[STAGE_RADAMSA]), |
| u_stringify_int(IB(6), afl->stage_cycles[STAGE_RADAMSA])); |
| |
| SAYF(bV bSTOP " havoc/rad : " cRST "%-36s " bSTG bV bSTOP, tmp); |
| |
| if (t_bytes) |
| sprintf(tmp, "%0.02f%%", stab_ratio); |
| else |
| strcpy(tmp, "n/a"); |
| |
| SAYF(" stability : %s%-10s" bSTG bV "\n", |
| (stab_ratio < 85 && afl->var_byte_count > 40) |
| ? cLRD |
| : ((afl->queued_variable && |
| (!afl->persistent_mode || afl->var_byte_count > 20)) |
| ? cMGN |
| : cRST), |
| tmp); |
| |
| if (afl->shm.cmplog_mode) { |
| |
| sprintf(tmp, "%s/%s, %s/%s, %s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_PYTHON]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_PYTHON]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_CUSTOM_MUTATOR]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_CUSTOM_MUTATOR]), |
| u_stringify_int(IB(4), afl->stage_finds[STAGE_COLORIZATION]), |
| u_stringify_int(IB(5), afl->stage_cycles[STAGE_COLORIZATION]), |
| u_stringify_int(IB(6), afl->stage_finds[STAGE_ITS]), |
| u_stringify_int(IB(7), afl->stage_cycles[STAGE_ITS])); |
| |
| SAYF(bV bSTOP " custom/rq : " cRST "%-36s " bSTG bVR bH20 bH2 bH bRB "\n", |
| tmp); |
| |
| } else { |
| |
| sprintf(tmp, "%s/%s, %s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_PYTHON]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_PYTHON]), |
| u_stringify_int(IB(2), afl->stage_finds[STAGE_CUSTOM_MUTATOR]), |
| u_stringify_int(IB(3), afl->stage_cycles[STAGE_CUSTOM_MUTATOR])); |
| |
| SAYF(bV bSTOP " py/custom : " cRST "%-36s " bSTG bVR bH20 bH2 bH bRB "\n", |
| tmp); |
| |
| } |
| |
| if (!afl->bytes_trim_out) { |
| |
| sprintf(tmp, "n/a, "); |
| |
| } else { |
| |
| sprintf(tmp, "%0.02f%%/%s, ", |
| ((double)(afl->bytes_trim_in - afl->bytes_trim_out)) * 100 / |
| afl->bytes_trim_in, |
| u_stringify_int(IB(0), afl->trim_execs)); |
| |
| } |
| |
| if (!afl->blocks_eff_total) { |
| |
| u8 tmp2[128]; |
| |
| sprintf(tmp2, "n/a"); |
| strcat(tmp, tmp2); |
| |
| } else { |
| |
| u8 tmp2[128]; |
| |
| sprintf(tmp2, "%0.02f%%", |
| ((double)(afl->blocks_eff_total - afl->blocks_eff_select)) * 100 / |
| afl->blocks_eff_total); |
| |
| strcat(tmp, tmp2); |
| |
| } |
| |
| if (afl->mutator) { |
| |
| sprintf(tmp, "%s/%s", |
| u_stringify_int(IB(0), afl->stage_finds[STAGE_CUSTOM_MUTATOR]), |
| u_stringify_int(IB(1), afl->stage_cycles[STAGE_CUSTOM_MUTATOR])); |
| SAYF(bV bSTOP " custom mut. : " cRST "%-36s " bSTG bV RESET_G1, tmp); |
| |
| } else { |
| |
| SAYF(bV bSTOP " trim : " cRST "%-36s " bSTG bV RESET_G1, tmp); |
| |
| } |
| |
| /* Provide some CPU utilization stats. */ |
| |
| if (afl->cpu_core_count) { |
| |
| double cur_runnable = get_runnable_processes(); |
| u32 cur_utilization = cur_runnable * 100 / afl->cpu_core_count; |
| |
| u8 *cpu_color = cCYA; |
| |
| /* If we could still run one or more processes, use green. */ |
| |
| if (afl->cpu_core_count > 1 && cur_runnable + 1 <= afl->cpu_core_count) |
| cpu_color = cLGN; |
| |
| /* If we're clearly oversubscribed, use red. */ |
| |
| if (!afl->no_cpu_meter_red && cur_utilization >= 150) cpu_color = cLRD; |
| |
| #ifdef HAVE_AFFINITY |
| |
| if (afl->cpu_aff >= 0) { |
| |
| SAYF(SP10 cGRA "[cpu%03u:%s%3u%%" cGRA "]\r" cRST, MIN(afl->cpu_aff, 999), |
| cpu_color, MIN(cur_utilization, 999)); |
| |
| } else { |
| |
| SAYF(SP10 cGRA " [cpu:%s%3u%%" cGRA "]\r" cRST, cpu_color, |
| MIN(cur_utilization, 999)); |
| |
| } |
| |
| #else |
| |
| SAYF(SP10 cGRA " [cpu:%s%3u%%" cGRA "]\r" cRST, cpu_color, |
| MIN(cur_utilization, 999)); |
| |
| #endif /* ^HAVE_AFFINITY */ |
| |
| } else |
| |
| SAYF("\r"); |
| |
| /* Last line */ |
| SAYF(SET_G1 "\n" bSTG bLB bH30 bH20 bH2 bRB bSTOP cRST RESET_G1); |
| |
| #undef IB |
| |
| /* Hallelujah! */ |
| |
| fflush(0); |
| |
| } |
| |
| /* Display quick statistics at the end of processing the input directory, |
| plus a bunch of warnings. Some calibration stuff also ended up here, |
| along with several hardcoded constants. Maybe clean up eventually. */ |
| |
| void show_init_stats(afl_state_t *afl) { |
| |
| struct queue_entry *q = afl->queue; |
| u32 min_bits = 0, max_bits = 0; |
| u64 min_us = 0, max_us = 0; |
| u64 avg_us = 0; |
| u32 max_len = 0; |
| |
| u8 val_bufs[4][STRINGIFY_VAL_SIZE_MAX]; |
| #define IB(i) val_bufs[(i)], sizeof(val_bufs[(i)]) |
| |
| if (afl->total_cal_cycles) avg_us = afl->total_cal_us / afl->total_cal_cycles; |
| |
| while (q) { |
| |
| if (!min_us || q->exec_us < min_us) min_us = q->exec_us; |
| if (q->exec_us > max_us) max_us = q->exec_us; |
| |
| if (!min_bits || q->bitmap_size < min_bits) min_bits = q->bitmap_size; |
| if (q->bitmap_size > max_bits) max_bits = q->bitmap_size; |
| |
| if (q->len > max_len) max_len = q->len; |
| |
| q = q->next; |
| |
| } |
| |
| SAYF("\n"); |
| |
| if (avg_us > ((afl->qemu_mode || afl->unicorn_mode) ? 50000 : 10000)) |
| WARNF(cLRD "The target binary is pretty slow! See %s/perf_tips.md.", |
| doc_path); |
| |
| /* Let's keep things moving with slow binaries. */ |
| |
| if (avg_us > 50000) |
| afl->havoc_div = 10; /* 0-19 execs/sec */ |
| else if (avg_us > 20000) |
| afl->havoc_div = 5; /* 20-49 execs/sec */ |
| else if (avg_us > 10000) |
| afl->havoc_div = 2; /* 50-100 execs/sec */ |
| |
| if (!afl->resuming_fuzz) { |
| |
| if (max_len > 50 * 1024) |
| WARNF(cLRD "Some test cases are huge (%s) - see %s/perf_tips.md!", |
| stringify_mem_size(IB(0), max_len), doc_path); |
| else if (max_len > 10 * 1024) |
| WARNF("Some test cases are big (%s) - see %s/perf_tips.md.", |
| stringify_mem_size(IB(0), max_len), doc_path); |
| |
| if (afl->useless_at_start && !afl->in_bitmap) |
| WARNF(cLRD "Some test cases look useless. Consider using a smaller set."); |
| |
| if (afl->queued_paths > 100) |
| WARNF(cLRD |
| "You probably have far too many input files! Consider trimming " |
| "down."); |
| else if (afl->queued_paths > 20) |
| WARNF("You have lots of input files; try starting small."); |
| |
| } |
| |
| OKF("Here are some useful stats:\n\n" |
| |
| cGRA " Test case count : " cRST |
| "%u favored, %u variable, %u total\n" cGRA " Bitmap range : " cRST |
| "%u to %u bits (average: %0.02f bits)\n" cGRA |
| " Exec timing : " cRST "%s to %s us (average: %s us)\n", |
| afl->queued_favored, afl->queued_variable, afl->queued_paths, min_bits, |
| max_bits, |
| ((double)afl->total_bitmap_size) / |
| (afl->total_bitmap_entries ? afl->total_bitmap_entries : 1), |
| stringify_int(IB(0), min_us), stringify_int(IB(1), max_us), |
| stringify_int(IB(2), avg_us)); |
| |
| if (!afl->timeout_given) { |
| |
| /* Figure out the appropriate timeout. The basic idea is: 5x average or |
| 1x max, rounded up to EXEC_TM_ROUND ms and capped at 1 second. |
| |
| If the program is slow, the multiplier is lowered to 2x or 3x, because |
| random scheduler jitter is less likely to have any impact, and because |
| our patience is wearing thin =) */ |
| |
| if (avg_us > 50000) |
| afl->fsrv.exec_tmout = avg_us * 2 / 1000; |
| else if (avg_us > 10000) |
| afl->fsrv.exec_tmout = avg_us * 3 / 1000; |
| else |
| afl->fsrv.exec_tmout = avg_us * 5 / 1000; |
| |
| afl->fsrv.exec_tmout = MAX(afl->fsrv.exec_tmout, max_us / 1000); |
| afl->fsrv.exec_tmout = |
| (afl->fsrv.exec_tmout + EXEC_TM_ROUND) / EXEC_TM_ROUND * EXEC_TM_ROUND; |
| |
| if (afl->fsrv.exec_tmout > EXEC_TIMEOUT) |
| afl->fsrv.exec_tmout = EXEC_TIMEOUT; |
| |
| ACTF("No -t option specified, so I'll use exec timeout of %u ms.", |
| afl->fsrv.exec_tmout); |
| |
| afl->timeout_given = 1; |
| |
| } else if (afl->timeout_given == 3) { |
| |
| ACTF("Applying timeout settings from resumed session (%u ms).", |
| afl->fsrv.exec_tmout); |
| |
| } |
| |
| /* In dumb mode, re-running every timing out test case with a generous time |
| limit is very expensive, so let's select a more conservative default. */ |
| |
| if (afl->dumb_mode && !(afl->afl_env.afl_hang_tmout)) |
| afl->hang_tmout = MIN(EXEC_TIMEOUT, afl->fsrv.exec_tmout * 2 + 100); |
| |
| OKF("All set and ready to roll!"); |
| #undef IB |
| |
| } |
| |
