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better cmp map fsrv fix

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This commit is contained in:
van Hauser
2021-01-20 10:01:34 +01:00
parent e7b572af36
commit 9dff3495d5
3 changed files with 5 additions and 15 deletions
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4
src/afl-forkserver.c
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@ -58,7 +58,9 @@ static list_t fsrv_list = {.element_prealloc_count = 0};
static void fsrv_exec_child(afl_forkserver_t *fsrv, char **argv) {
if (fsrv->qemu_mode) setenv("AFL_DISABLE_LLVM_INSTRUMENTATION", "1", 0);
if (fsrv->qemu_mode) { setenv("AFL_DISABLE_LLVM_INSTRUMENTATION", "1", 0); }
unsetenv(CMPLOG_SHM_ENV_VAR); // we do not want that in non-cmplog fsrv
execv(fsrv->target_path, argv);

2
src/afl-fuzz-cmplog.c
View File

@ -33,6 +33,8 @@ void cmplog_exec_child(afl_forkserver_t *fsrv, char **argv) {
setenv("___AFL_EINS_ZWEI_POLIZEI___", "1", 1);
if (fsrv->qemu_mode) { setenv("AFL_DISABLE_LLVM_INSTRUMENTATION", "1", 0); }
if (!fsrv->qemu_mode && argv[0] != fsrv->cmplog_binary) {
argv[0] = fsrv->cmplog_binary;

14
src/afl-fuzz.c
View File

@ -1515,21 +1515,7 @@ int main(int argc, char **argv_orig, char **envp) {
}
u8 *save_env = NULL;
if (afl->cmplog_binary) {
save_env = ck_strdup(getenv(CMPLOG_SHM_ENV_VAR));
unsetenv(CMPLOG_SHM_ENV_VAR); // normal forkserver should not have this
}
perform_dry_run(afl);
if (save_env) {
setenv(CMPLOG_SHM_ENV_VAR, save_env, 1); // needed for at_exit()
ck_free(save_env);
}
/*
if (!user_set_cache && afl->q_testcase_max_cache_size) {