diff options
Diffstat (limited to 'instrumentation/README.persistent_mode.md')
| -rw-r--r-- | instrumentation/README.persistent_mode.md | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/instrumentation/README.persistent_mode.md b/instrumentation/README.persistent_mode.md index e095f036..2fd7027d 100644 --- a/instrumentation/README.persistent_mode.md +++ b/instrumentation/README.persistent_mode.md @@ -23,15 +23,20 @@ __AFL_FUZZ_INIT(); main() { + // anything else here, eg. command line arguments, initialization, etc. + #ifdef __AFL_HAVE_MANUAL_CONTROL __AFL_INIT(); #endif unsigned char *buf = __AFL_FUZZ_TESTCASE_BUF; // must be after __AFL_INIT + // and before __AFL_LOOP! while (__AFL_LOOP(10000)) { - int len = __AFL_FUZZ_TESTCASE_LEN; + int len = __AFL_FUZZ_TESTCASE_LEN; // don't use the macro directly in a + // call! + if (len < 8) continue; // check for a required/useful minimum input length /* Setup function call, e.g. struct target *tmp = libtarget_init() */ @@ -169,7 +174,7 @@ the impact of memory leaks and similar glitches; 1000 is a good starting point, and going much higher increases the likelihood of hiccups without giving you any real performance benefits. -A more detailed template is shown in ../examples/persistent_demo/. +A more detailed template is shown in ../examples/persistent_mode/. Similarly to the previous mode, the feature works only with afl-clang-fast; #ifdef guards can be used to suppress it when using other compilers. |