bcc_proc.c: fix stack overflow in bcc_procutils_which()
@@ -46,9 +46,8 @@ char *bcc_procutils_which(const char *binpath) {
const size_t path_len = next - PATH;
if (path_len) {
- memcpy(buffer, PATH, path_len);
- buffer[path_len] = '/';
- strcpy(buffer + path_len + 1, binpath);
+ snprintf(buffer, sizeof(buffer), "%.*s/%s",
+ (int)path_len, PATH, binpath);
if (bcc_elf_is_exe(buffer))
return strdup(buffer);
