From 14c79fc921db176c8c7ae87a917fa50217e664ac Mon Sep 17 00:00:00 2001
From: hw_llm <liu.limin@huawei.com>
Date: Sat, 12 Oct 2024 17:53:01 +0800
Subject: [PATCH] =?UTF-8?q?Description:=20shm=20pid=E5=85=A5=E5=8F=82=20?=
 =?UTF-8?q?=E6=BC=8F=E6=B4=9E=E4=BF=AE=E5=A4=8D=20IssueNo:=20https://gitee?=
 =?UTF-8?q?.com/openharmony/kernel=5Fliteos=5Fa/issues/IAWM6R=20Feature=20?=
 =?UTF-8?q?Or=20Bugfix:=20Bugfix=20Binary=20Source:=20No=20Signed-off-by:?=
 =?UTF-8?q?=20hw=5Fllm=20<liu.limin@huawei.com>?=
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---
 kernel/base/vm/shm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/base/vm/shm.c b/kernel/base/vm/shm.c
index 637c6167..8ae1f824 100644
--- a/kernel/base/vm/shm.c
+++ b/kernel/base/vm/shm.c
@@ -689,6 +689,9 @@ INT32 ShmCtl(INT32 shmid, INT32 cmd, struct shmid_ds *buf)
                                     (shm_perm.mode & ACCESSPERMS);
             seg->ds.shm_ctime = time(NULL);
 #ifdef LOSCFG_SHELL
+            if (OsProcessIDUserCheckInvalid(shm_perm.uid)) {
+                break;
+            }
             (VOID)memcpy_s(seg->ownerName, OS_PCB_NAME_LEN, OS_PCB_FROM_PID(shm_perm.uid)->processName,
                            OS_PCB_NAME_LEN);
 #endif