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radamsa mutator as havoc cycle replacement with probability 1/24

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This commit is contained in:
Andrea Fioraldi
2019-10-10 19:46:46 +02:00
parent 125a59df91
commit 9de74cce92
7 changed files with 122 additions and 20 deletions
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38
src/afl-fuzz.c
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@ -24,6 +24,7 @@
*/
#include "afl-fuzz.h"
#include "radamsa.h"
/* Display usage hints. */
@ -119,7 +120,6 @@ int main(int argc, char** argv) {
u8 mem_limit_given = 0;
u8 exit_1 = !!getenv("AFL_BENCH_JUST_ONE");
char** use_argv;
s64 init_seed;
struct timeval tv;
struct timezone tz;
@ -134,7 +134,7 @@ int main(int argc, char** argv) {
init_seed = tv.tv_sec ^ tv.tv_usec ^ getpid();
while ((opt = getopt(argc, argv,
"+i:I:o:f:m:t:T:dnCB:S:M:x:QUWe:p:s:V:E:L:h")) > 0)
"+i:I:o:f:m:t:T:dnCB:S:M:x:QUWe:p:s:V:E:L:hR")) > 0)
switch (opt) {
@ -511,6 +511,13 @@ int main(int argc, char** argv) {
usage(argv[0]);
return -1;
break; // not needed
case 'R':
if (use_radamsa) FATAL("Multiple -R options not supported");
use_radamsa = 1;
break;
default: usage(argv[0]);
@ -518,8 +525,27 @@ int main(int argc, char** argv) {
if (optind == argc || !in_dir || !out_dir) usage(argv[0]);
OKF("afl++ is maintained by Marc \"van Hauser\" Heuse, Heiko \"hexcoder\" "
"Eissfeldt and Andrea Fioraldi");
OKF("afl++ is open source, get it at "
"https://github.com/vanhauser-thc/AFLplusplus");
OKF("Power schedules from github.com/mboehme/aflfast");
OKF("Python Mutator and llvm_mode whitelisting from github.com/choller/afl");
OKF("afl-tmin fork server patch from github.com/nccgroup/TriforceAFL");
OKF("MOpt Mutator from github.com/puppet-meteor/MOpt-AFL");
if (fixed_seed) OKF("Running with fixed seed: %u", (u32)init_seed);
srandom((u32)init_seed);
if (use_radamsa) {
OKF("Using Radamsa add-on");
/* randamsa_init installs some signal hadlers, call it firstly so that
AFL++ can then replace those signal handlers */
radamsa_init();
}
setup_signal_handlers();
check_asan_opts();
@ -560,14 +586,6 @@ int main(int argc, char** argv) {
"fuzzing the right binary: " cRST "%s",
argv[optind]);
OKF("afl++ is maintained by Marc \"van Hauser\" Heuse, Heiko \"hexcoder\" "
"Eissfeldt and Andrea Fioraldi");
OKF("afl++ is open source, get it at "
"https://github.com/vanhauser-thc/AFLplusplus");
OKF("Power schedules from github.com/mboehme/aflfast");
OKF("Python Mutator and llvm_mode whitelisting from github.com/choller/afl");
OKF("afl-tmin fork server patch from github.com/nccgroup/TriforceAFL");
OKF("MOpt Mutator from github.com/puppet-meteor/MOpt-AFL");
ACTF("Getting to work...");
switch (schedule) {