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add -D option for -S

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This commit is contained in:
van Hauser
2020-06-24 11:14:00 +02:00
parent bdc8e3b79e
commit fce010f051
2 changed files with 11 additions and 3 deletions
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1
docs/Changelog.md
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@ -14,6 +14,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
- -S secondary nodes now only sync from the main node to increase - -S secondary nodes now only sync from the main node to increase
performance, the -M main node still syncs from everyone. Added checks performance, the -M main node still syncs from everyone. Added checks
that ensure exactly one main node is present and warn otherwise that ensure exactly one main node is present and warn otherwise
- Add -D after -S to force a secondary to perform deterministic fuzzing
- If no main node is present at a sync one secondary node automatically - If no main node is present at a sync one secondary node automatically
becomes a temporary main node until a real main nodes shows up becomes a temporary main node until a real main nodes shows up
- Fixed a mayor performance issue we inherited from AFLfast - Fixed a mayor performance issue we inherited from AFLfast

11
src/afl-fuzz.c
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@ -160,6 +160,8 @@ static void usage(afl_state_t *afl, u8 *argv0, int more_help) {
"Other stuff:\n" "Other stuff:\n"
" -T text - text banner to show on the screen\n" " -T text - text banner to show on the screen\n"
" -M/-S id - distributed mode (see docs/parallel_fuzzing.md)\n" " -M/-S id - distributed mode (see docs/parallel_fuzzing.md)\n"
" use -D to force -S secondary to perform deterministic "
"fuzzing\n"
" -I command - execute this command/script when a new crash is " " -I command - execute this command/script when a new crash is "
"found\n" "found\n"
" -B bitmap.txt - mutate a specific test case, use the out/fuzz_bitmap " " -B bitmap.txt - mutate a specific test case, use the out/fuzz_bitmap "
@ -292,7 +294,7 @@ int main(int argc, char **argv_orig, char **envp) {
rand_set_seed(afl, tv.tv_sec ^ tv.tv_usec ^ getpid()); rand_set_seed(afl, tv.tv_sec ^ tv.tv_usec ^ getpid());
while ((opt = getopt(argc, argv, while ((opt = getopt(argc, argv,
"+c:i:I:o:f:m:t:T:dnCB:S:M:x:QNUWe:p:s:V:E:L:hRP:")) > "+c:i:I:o:f:m:t:T:dDnCB:S:M:x:QNUWe:p:s:V:E:L:hRP:")) >
0) { 0) {
switch (opt) { switch (opt) {
@ -518,6 +520,11 @@ int main(int argc, char **argv_orig, char **envp) {
break; break;
case 'D': /* enforce deterministic */
afl->skip_deterministic = 0;
break;
case 'd': /* skip deterministic */ case 'd': /* skip deterministic */
afl->skip_deterministic = 1; afl->skip_deterministic = 1;
@ -1093,7 +1100,7 @@ int main(int argc, char **argv_orig, char **envp) {
if (afl->is_main_node && check_main_node_exists(afl) == 1) { if (afl->is_main_node && check_main_node_exists(afl) == 1) {
WARNF("it is wasteful to run more than one master!"); WARNF("it is wasteful to run more than one main node!");
sleep(1); sleep(1);
} }