removed vla for tmpfile
MODIFY
src/afl-fuzz.c
src/afl-fuzz.c
@@ -919,21 +919,20 @@ int main(int argc, char **argv_orig, char **envp) {
if ((afl->tmp_dir = afl->afl_env.afl_tmpdir) != NULL &&
!afl->in_place_resume) {
- char tmpfile[afl->file_extension ? strlen(afl->tmp_dir) + 1 + 10 + 1 +
- strlen(afl->file_extension) + 1
- : strlen(afl->tmp_dir) + 1 + 10 + 1];
+ char tmpfile[PATH_MAX];
+
if (afl->file_extension) {
- sprintf(tmpfile, "%s/.cur_input.%s", afl->tmp_dir, afl->file_extension);
+ snprintf(tmpfile, PATH_MAX, "%s/.cur_input.%s", afl->tmp_dir, afl->file_extension);
} else {
- sprintf(tmpfile, "%s/.cur_input", afl->tmp_dir);
+ snprintf(tmpfile, PATH_MAX, "%s/.cur_input", afl->tmp_dir);
}
- if (access(tmpfile, F_OK) !=
- -1) // there is still a race condition here, but well ...
+ /* there is still a race condition here, but well ... */
+ if (access(tmpfile, F_OK) != -1)
FATAL(
"AFL_TMPDIR already has an existing temporary input file: %s - if "
"this is not from another instance, then just remove the file.",

removed vla for tmpfile