env_dup: fix issue about USE_AFTER_FREE

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
2023-10-12 16:06:20 +08:00 · 2023-10-12 16:06:20 +08:00 · 968e89303f
parent 6c4c09eb44
commit 968e89303f
1 changed files with 1 additions and 0 deletions
--- a/sched/environ/env_dup.c
+++ b/sched/environ/env_dup.c
@ -125,6 +125,7 @@ int env_dup(FAR struct task_group_s *group, FAR char * const *envcp)
                        }

                      group_free(group, envp);
+                      envp = NULL;
                      ret = -ENOMEM;
                      break;
                    }