Merge pull request iovisor#2320 from dalehamel/fix-memfd-memleak-dirstr

Fix possible memory leak in error path when elf notes are backed by a memfd path
mwesolowski · Apr 19, 2019 · 440268e · 440268e
2 parents c36f5bf + 7caf21a
commit 440268e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/cc/bcc_proc.c b/src/cc/bcc_proc.c
@@ -99,8 +99,10 @@ static char *_procutils_memfd_path(const int pid, const uint64_t inum) {
  strcpy(dirstr, path_buffer);
  dirstream = opendir(dirstr);
 
- if (dirstream == NULL)
+ if (dirstream == NULL) {
+ free(dirstr);
  return NULL;
+ }
 
  while (path == NULL && (dent = readdir(dirstream)) != NULL) {
  snprintf(path_buffer, (PATH_MAX + 1), "%s/%s", dirstr, dent->d_name);