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load existing stats file when in AFL_AUTORESUME or -i -

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This commit is contained in:
vj-27
2021-02-05 00:26:23 +00:00
parent ec737f3368
commit 6f163bb0c5
3 changed files with 103 additions and 0 deletions
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101
src/afl-fuzz-stats.c
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@ -89,6 +89,107 @@ void write_setup_file(afl_state_t *afl, u32 argc, char **argv) {
}
/* load some of the existing stats file when resuming.*/
void load_stats_file(afl_state_t *afl) {
FILE *f;
u8 buf[MAX_LINE];
u8 * lptr;
u8 fn[PATH_MAX];
u32 lineno = 0;
snprintf(fn, PATH_MAX, "%s/fuzzer_stats", afl->out_dir);
f = fopen(fn, "r");
if (!f) {
WARNF("Unable to load stats file '%s'", fn);
return;
}
while ((lptr = fgets(buf, MAX_LINE, f))) {
lineno++;
u8 *lstartptr = lptr;
u8 *rptr = lptr + strlen(lptr) - 1;
u8 keystring[MAX_LINE];
while (*lptr != ':' && lptr < rptr) {
lptr++;
}
if (*lptr == '\n' || !*lptr) {
WARNF("Unable to read line %d of stats file", lineno);
continue;
}
if (*lptr == ':') {
*lptr = 0;
strcpy(keystring, lstartptr);
lptr++;
char *nptr;
switch (lineno) {
case 5:
if (!strcmp(keystring, "cycles_done "))
afl->queue_cycle =
strtoull(lptr, &nptr, 10) ? strtoull(lptr, &nptr, 10) + 1 : 0;
break;
case 7:
if (!strcmp(keystring, "execs_done "))
afl->fsrv.total_execs = strtoull(lptr, &nptr, 10);
break;
case 10:
if (!strcmp(keystring, "paths_total "))
afl->queued_paths = strtoul(lptr, &nptr, 10);
break;
case 11:
if (!strcmp(keystring, "paths_favored "))
afl->queued_favored = strtoul(lptr, &nptr, 10);
break;
case 12:
if (!strcmp(keystring, "paths_found "))
afl->queued_discovered = strtoul(lptr, &nptr, 10);
break;
case 13:
if (!strcmp(keystring, "paths_imported "))
afl->queued_imported = strtoul(lptr, &nptr, 10);
break;
case 14:
if (!strcmp(keystring, "max_depth "))
afl->max_depth = strtoul(lptr, &nptr, 10);
break;
case 16:
if (!strcmp(keystring, "pending_favs "))
afl->pending_favored = strtoul(lptr, &nptr, 10);
break;
case 17:
if (!strcmp(keystring, "pending_total "))
afl->pending_not_fuzzed = strtoul(lptr, &nptr, 10);
break;
case 21:
if (!strcmp(keystring, "unique_crashes "))
afl->unique_crashes = strtoull(lptr, &nptr, 10);
break;
case 22:
if (!strcmp(keystring, "unique_hangs "))
afl->unique_hangs = strtoull(lptr, &nptr, 10);
break;
default:
break;
}
}
}
}
/* Update stats file for unattended monitoring. */
void write_stats_file(afl_state_t *afl, double bitmap_cvg, double stability,