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Exit on time (#904)

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* Variable AFL_EXIT_ON_TIME description has been added.
Variables AFL_EXIT_ON_TIME and afl_exit_on_time has been added.
afl->exit_on_time variable initialization has been added.
The asignment of a value to the afl->afl_env.afl_exit_on_time variable from
environment variables has been added.
Code to exit on timeout if new path not found has been added.

* Type of afl_exit_on_time variable has been changed.
Variable exit_on_time has been added to the afl_state_t structure.

* Command `export AFL_EXIT_WHEN_DONE=1` has been added.

* Millisecond to second conversion has been added.
Call get_cur_time() has been added.

* Revert to using the saved current time value.

* Useless check has been removed.
This commit is contained in:
Roman M. Iudichev
2021-05-07 18:32:17 +03:00
committed by GitHub
parent 2fd9629478
commit 069e61dfc6
8 changed files with 36 additions and 2 deletions
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8
src/afl-fuzz-state.c
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@ -99,6 +99,7 @@ void afl_state_init(afl_state_t *afl, uint32_t map_size) {
afl->cal_cycles = CAL_CYCLES;
afl->cal_cycles_long = CAL_CYCLES_LONG;
afl->hang_tmout = EXEC_TIMEOUT;
afl->exit_on_time = 0;
afl->stats_update_freq = 1;
afl->stats_avg_exec = 0;
afl->skip_deterministic = 1;
@ -187,6 +188,13 @@ void read_afl_environment(afl_state_t *afl, char **envp) {
afl->afl_env.afl_exit_when_done =
get_afl_env(afl_environment_variables[i]) ? 1 : 0;
} else if (!strncmp(env, "AFL_EXIT_ON_TIME",
afl_environment_variable_len)) {
afl->afl_env.afl_exit_on_time =
(u8 *) get_afl_env(afl_environment_variables[i]);
} else if (!strncmp(env, "AFL_NO_AFFINITY",
afl_environment_variable_len)) {