diff options
| -rw-r--r-- | src/afl-fuzz.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/afl-fuzz.c b/src/afl-fuzz.c index b2c96f04..9de80c72 100644 --- a/src/afl-fuzz.c +++ b/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.", |