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Add AFL_FORK_SERVER_KILL_SIGNAL environment variable.

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The AFL_FORK_SERVER_KILL_SIGNAL variable allows to configure the signal
used to kill the fork server on termination.
This commit is contained in:
Nils Bars
2022-10-21 12:13:43 +02:00
parent f84ea69660
commit 7512316b46
13 changed files with 58 additions and 45 deletions
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6
src/afl-showmap.c
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@ -866,6 +866,8 @@ static void usage(u8 *argv0) {
"startup (in milliseconds)\n"
"AFL_KILL_SIGNAL: Signal ID delivered to child processes on timeout, "
"etc. (default: SIGKILL)\n"
"AFL_FORK_SERVER_KILL_SIGNAL: Signal delivered to fork server processes on termination"
" (default: SIGTERM)\n"
"AFL_MAP_SIZE: the shared memory size for that target. must be >= the "
"size the target was compiled for\n"
"AFL_PRELOAD: LD_PRELOAD / DYLD_INSERT_LIBRARIES settings for target\n"
@ -1259,7 +1261,9 @@ int main(int argc, char **argv_orig, char **envp) {
be_quiet = save_be_quiet;
fsrv->child_kill_signal =
parse_afl_kill_signal_env(getenv("AFL_KILL_SIGNAL"), SIGKILL);
parse_afl_kill_signal(getenv("AFL_KILL_SIGNAL"), SIGKILL);
fsrv->fsrv_kill_signal =
parse_afl_kill_signal(getenv("AFL_FORK_SERVER_KILL_SIGNAL"), SIGTERM);
if (new_map_size) {