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forkserver debug flag support

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This commit is contained in:
van Hauser
2021-01-21 18:43:06 +01:00
parent 040bf5a61d
commit 60764ebdf1
3 changed files with 8 additions and 4 deletions
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9
src/afl-forkserver.c
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@ -91,7 +91,7 @@ void afl_fsrv_init(afl_forkserver_t *fsrv) {
fsrv->map_size = get_map_size();
fsrv->use_fauxsrv = false;
fsrv->last_run_timed_out = false;
fsrv->debug = false;
fsrv->uses_crash_exitcode = false;
fsrv->uses_asan = false;
@ -117,6 +117,7 @@ void afl_fsrv_init_dup(afl_forkserver_t *fsrv_to, afl_forkserver_t *from) {
fsrv_to->uses_crash_exitcode = from->uses_crash_exitcode;
fsrv_to->crash_exitcode = from->crash_exitcode;
fsrv_to->kill_signal = from->kill_signal;
fsrv_to->debug = from->debug;
// These are forkserver specific.
fsrv_to->out_dir_fd = -1;
@ -484,7 +485,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
/* Set sane defaults for ASAN if nothing else specified. */
if (!getenv("ASAN_OPTIONS"))
if (fsrv->debug == true && !getenv("ASAN_OPTIONS"))
setenv("ASAN_OPTIONS",
"abort_on_error=1:"
"detect_leaks=0:"
@ -500,7 +501,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
/* Set sane defaults for UBSAN if nothing else specified. */
if (!getenv("UBSAN_OPTIONS"))
if (fsrv->debug == true && !getenv("UBSAN_OPTIONS"))
setenv("UBSAN_OPTIONS",
"halt_on_error=1:"
"abort_on_error=1:"
@ -517,7 +518,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
/* MSAN is tricky, because it doesn't support abort_on_error=1 at this
point. So, we do this in a very hacky way. */
if (!getenv("MSAN_OPTIONS"))
if (fsrv->debug == true && !getenv("MSAN_OPTIONS"))
setenv("MSAN_OPTIONS",
"exit_code=" STRINGIFY(MSAN_ERROR) ":"
"symbolize=0:"