fix: 修复容器内存泄露问题

1.修复内存泄露
2.修复获取内核信息单位、描述错误

Close #I6CD5C
Signed-off-by: zhushengle <zhushengle@huawei.com>
Change-Id: I875bec616064517b21af8e69ef8d6e177ec01ce1

fs/proc/os_adapt/mem_info.c

@@ -42,13 +42,13 @@ static int SysMemInfoFill(struct SeqBuf *seqBuf, void *arg)
     if (LOS_MemInfoGet(m_aucSysMem0, &mem) == LOS_NOK) {
         return -EBADF;
     }
-    (void)LosBufPrintf(seqBuf, "\nUsedSize:%25u KB\n", mem.totalUsedSize);
+    (void)LosBufPrintf(seqBuf, "\nUsedSize:        %u byte\n", mem.totalUsedSize);
-    (void)LosBufPrintf(seqBuf, "FreeSize:%25u KB\n", mem.totalFreeSize);
+    (void)LosBufPrintf(seqBuf, "FreeSize:        %u byte\n", mem.totalFreeSize);
-    (void)LosBufPrintf(seqBuf, "MaxFreeNodeSize:%18u KB\n", mem.maxFreeNodeSize);
+    (void)LosBufPrintf(seqBuf, "MaxFreeNodeSize: %u byte\n", mem.maxFreeNodeSize);
-    (void)LosBufPrintf(seqBuf, "UsedNodeNum:%22u KB\n", mem.usedNodeNum);
+    (void)LosBufPrintf(seqBuf, "UsedNodeNum:     %u\n", mem.usedNodeNum);
-    (void)LosBufPrintf(seqBuf, "FreeNodeNum:%22u KB\n", mem.freeNodeNum);
+    (void)LosBufPrintf(seqBuf, "FreeNodeNum:     %u\n", mem.freeNodeNum);
 #ifdef LOSCFG_MEM_WATERLINE
-    (void)LosBufPrintf(seqBuf, "UsageWaterLine:%19u KB\n", mem.freeNodeNum);
+    (void)LosBufPrintf(seqBuf, "UsageWaterLine:  %u byte\n", mem.usageWaterLine);
 #endif
      return 0;
 }

fs/proc/os_adapt/process_proc.c

@@ -135,19 +135,18 @@ static int ProcessMemInfoRead(struct SeqBuf *seqBuf, LosProcessCB *pcb)
     (void)memcpy_s(heap, sizeof(LosVmMapRegion), pcb->vmSpace->heap, sizeof(LosVmMapRegion));
     SCHEDULER_UNLOCK(intSave);
 
-    (void)LosBufPrintf(seqBuf, "\nVMSpaceSize:           %u KB\n", vmSpace->size);
+    (void)LosBufPrintf(seqBuf, "\nVMSpaceSize:      %u byte\n", vmSpace->size);
-    (void)LosBufPrintf(seqBuf, "VMRegionSize:            %u KB\n", heap->range.size);
+    (void)LosBufPrintf(seqBuf, "VMSpaceMapSize:   %u byte\n", vmSpace->mapSize);
-    (void)LosBufPrintf(seqBuf, "RegionFlags:             %s\n", OsGetRegionNameOrFilePath(heap));
+    (void)LosBufPrintf(seqBuf, "VM TLB Asid:      %u\n", vmSpace->archMmu.asid);
-    (void)LosBufPrintf(seqBuf, "ShmidAboutSharedRegion:  %u\n", heap->shmid);
+    (void)LosBufPrintf(seqBuf, "VMHeapSize:       %u byte\n", heap->range.size);
-    (void)LosBufPrintf(seqBuf, "VMSpaceRorkFlags:        0x%x\n", heap->forkFlags);
+    (void)LosBufPrintf(seqBuf, "VMHeapRegionNmae: %s\n", OsGetRegionNameOrFilePath(heap));
-    (void)LosBufPrintf(seqBuf, "VMRegionRype:            0x%x\n", heap->regionType);
+    (void)LosBufPrintf(seqBuf, "VMHeapRegionType: 0x%x\n", heap->regionType);
-    (void)LosBufPrintf(seqBuf, "VMSpaceMappingAreaSize:  %u KB\n", vmSpace->mapSize);
-    (void)LosBufPrintf(seqBuf, "TLB Asid:                %u\n", vmSpace->archMmu.asid);
     (void)LOS_MemFree(m_aucSysMem1, vmSpace);
     return 0;
 }
 
 #ifdef LOSCFG_KERNEL_CPUP
+#define TIME_CYCLE_TO_US(time) ((((UINT64)time) * OS_NS_PER_CYCLE) / OS_SYS_NS_PER_US)
 static int ProcessCpupRead(struct SeqBuf *seqBuf, LosProcessCB *pcb)
 {
     unsigned int intSave;
@@ -166,11 +165,10 @@ static int ProcessCpupRead(struct SeqBuf *seqBuf, LosProcessCB *pcb)
     (void)memcpy_s(processCpup, sizeof(OsCpupBase), pcb->processCpup, sizeof(OsCpupBase));
     SCHEDULER_UNLOCK(intSave);
 
-    (void)LosBufPrintf(seqBuf, "\nTotalRunningTime:      %lu\n", processCpup->allTime);
+    (void)LosBufPrintf(seqBuf, "\nTotalRunningTime: %lu us\n", TIME_CYCLE_TO_US(processCpup->allTime));
-    (void)LosBufPrintf(seqBuf, "StartTime:               %lu\n", processCpup->startTime);
+    (void)LosBufPrintf(seqBuf, "HistoricalRunningTime:(us) ");
-    (void)LosBufPrintf(seqBuf, "HistoricalRunningTime:   ");
     for (UINT32 i = 0; i < OS_CPUP_HISTORY_RECORD_NUM + 1; i++) {
-        (void)LosBufPrintf(seqBuf, "%lu  ", processCpup->historyTime[i]);
+        (void)LosBufPrintf(seqBuf, "%lu  ", TIME_CYCLE_TO_US(processCpup->historyTime[i]));
     }
     (void)LosBufPrintf(seqBuf, "\n");
     (void)LOS_MemFree(m_aucSysMem1, processCpup);

kernel/base/container/los_container.c

@@ -129,6 +129,10 @@ UINT32 OsCopyContainers(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent
 {
     UINT32 intSave;
 
+#ifdef LOSCFG_TIME_CONTAINER
+    flags &= ~CLONE_NEWTIME;
+#endif
+
     if (!(flags & (CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC | CLONE_NEWPID | CLONE_NEWNET | CLONE_NEWTIME))) {
 #ifdef LOSCFG_PID_CONTAINER
         if (parent->container->pidContainer != parent->container->pidForChildContainer) {
@@ -159,47 +163,45 @@ COPY_CONTAINERS:
     return CopyContainers(flags, child, parent, processID);
 }
 
-#ifndef LOSCFG_PID_CONTAINER
+VOID OsContainerFree(LosProcessCB *processCB)
-STATIC VOID ContainersFree(LosProcessCB *processCB)
 {
-    UINT32 intSave;
-    SCHEDULER_LOCK(intSave);
     LOS_AtomicDec(&processCB->container->rc);
     if (LOS_AtomicRead(&processCB->container->rc) == 0) {
         (VOID)LOS_MemFree(m_aucSysMem1, processCB->container);
         processCB->container = NULL;
     }
-    SCHEDULER_UNLOCK(intSave);
 }
-#endif
 
 VOID OsContainersDestroy(LosProcessCB *processCB)
 {
    /* All processes in the container must be destroyed before the container is destroyed. */
 #ifdef LOSCFG_PID_CONTAINER
     if (processCB->processID == OS_USER_ROOT_PROCESS_ID) {
-        OsPidContainersDestroyAllProcess(processCB);
+        OsPidContainerDestroyAllProcess(processCB);
     }
 #endif
 
 #ifdef LOSCFG_UTS_CONTAINER
-    OsUtsContainersDestroy(processCB->container);
+    OsUtsContainerDestroy(processCB->container);
 #endif
 
 #ifdef LOSCFG_MNT_CONTAINER
-    OsMntContainersDestroy(processCB->container);
+    OsMntContainerDestroy(processCB->container);
 #endif
 
 #ifdef LOSCFG_IPC_CONTAINER
-    OsIpcContainersDestroy(processCB->container);
+    OsIpcContainerDestroy(processCB->container);
 #endif
 
 #ifdef LOSCFG_TIME_CONTAINER
-    OsTimeContainersDestroy(processCB);
+    OsTimeContainerDestroy(processCB);
 #endif
 
 #ifndef LOSCFG_PID_CONTAINER
-    ContainersFree(processCB);
+    UINT32 intSave;
+    SCHEDULER_LOCK(intSave);
+    OsContainerFree(processCB);
+    SCHEDULER_UNLOCK(intSave);
 #endif
 }
 
@@ -240,50 +242,43 @@ UINT32 OsGetContainerID(Container *container, ContainerType type)
     return OS_INVALID_VALUE;
 }
 
-STATIC VOID UnshareDeinitContainerCommon(UINT32 flags, Container *container)
+STATIC VOID UnshareDeInitContainer(UINT32 flags, Container *container)
-{
-#ifdef LOSCFG_UTS_CONTAINER
-    if ((flags & CLONE_NEWUTS) != 0) {
-        OsUtsContainersDestroy(container);
-    }
-#endif
-#ifdef LOSCFG_MNT_CONTAINER
-    if ((flags & CLONE_NEWNS) != 0) {
-        OsMntContainersDestroy(container);
-    }
-#endif
-#ifdef LOSCFG_IPC_CONTAINER
-    if ((flags & CLONE_NEWIPC) != 0) {
-        OsIpcContainersDestroy(container);
-    }
-#endif
-}
-
-STATIC VOID UnshareDeinitContainer(UINT32 flags, Container *container)
 {
+    UINT32 intSave;
     if (container == NULL) {
         return;
     }
 
 #ifdef LOSCFG_PID_CONTAINER
-    if ((container->pidForChildContainer != NULL) && (container->pidForChildContainer != container->pidContainer)) {
+    UnshareDeInitPidContainer(container);
-        (VOID)LOS_MemFree(m_aucSysMem1, container->pidForChildContainer);
-        container->pidForChildContainer = NULL;
-        container->pidContainer = NULL;
-    }
 #endif
 
-    UnshareDeinitContainerCommon(flags, container);
+#ifdef LOSCFG_UTS_CONTAINER
+    if ((flags & CLONE_NEWUTS) != 0) {
+        OsUtsContainerDestroy(container);
+    }
+#endif
+#ifdef LOSCFG_MNT_CONTAINER
+    if ((flags & CLONE_NEWNS) != 0) {
+        OsMntContainerDestroy(container);
+    }
+#endif
+#ifdef LOSCFG_IPC_CONTAINER
+    if ((flags & CLONE_NEWIPC) != 0) {
+        OsIpcContainerDestroy(container);
+    }
+#endif
 
 #ifdef LOSCFG_TIME_CONTAINER
-    if ((container->timeForChildContainer != NULL) && (container->timeForChildContainer != container->timeContainer)) {
+    UnshareDeInitTimeContainer(container);
-        (VOID)LOS_MemFree(m_aucSysMem1, container->timeForChildContainer);
-        container->timeForChildContainer = NULL;
-        container->timeContainer = NULL;
-    }
 #endif
 
-    (VOID)LOS_MemFree(m_aucSysMem1, container);
+    SCHEDULER_LOCK(intSave);
+    LOS_AtomicDec(&container->rc);
+    if (LOS_AtomicRead(&container->rc) == 0) {
+        (VOID)LOS_MemFree(m_aucSysMem1, container);
+    }
+    SCHEDULER_UNLOCK(intSave);
 }
 
 STATIC UINT32 CreateNewContainers(UINT32 flags, LosProcessCB *curr, Container *newContainer)
@@ -328,7 +323,9 @@ INT32 OsUnshare(UINT32 flags)
     UINT32 intSave;
     LosProcessCB *curr = OsCurrProcessGet();
     Container *oldContainer = curr->container;
-    if (!(flags & (CLONE_NEWPID | CLONE_NEWTIME | CLONE_NEWUTS | CLONE_NEWNS | CLONE_NEWIPC))) {
+    UINT32 unshareFlags = CLONE_NEWPID | CLONE_NEWTIME | CLONE_NEWUTS | CLONE_NEWNS | CLONE_NEWIPC;
+
+    if (!(flags & unshareFlags) || ((flags & (~unshareFlags)) != 0)) {
         return -EINVAL;
     }
 
@@ -347,18 +344,11 @@ INT32 OsUnshare(UINT32 flags)
     curr->container = newContainer;
     SCHEDULER_UNLOCK(intSave);
 
-    UnshareDeinitContainerCommon(flags, oldContainer);
+    UnshareDeInitContainer(flags, oldContainer);
-
-    SCHEDULER_LOCK(intSave);
-    LOS_AtomicDec(&oldContainer->rc);
-    if (LOS_AtomicRead(&oldContainer->rc) == 0) {
-        (VOID)LOS_MemFree(m_aucSysMem1, oldContainer);
-    }
-    SCHEDULER_UNLOCK(intSave);
     return LOS_OK;
 
 EXIT:
-    UnshareDeinitContainer(flags, newContainer);
+    UnshareDeInitContainer(flags, newContainer);
     return -ret;
 }
 #endif

kernel/base/container/los_ipc_container.c

@@ -148,7 +148,7 @@ UINT32 OsUnshareIpcContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
     return LOS_OK;
 }
 
-VOID OsIpcContainersDestroy(Container *container)
+VOID OsIpcContainerDestroy(Container *container)
 {
     UINT32 intSave;
     if (container == NULL) {
@@ -157,19 +157,23 @@ VOID OsIpcContainersDestroy(Container *container)
 
     SCHEDULER_LOCK(intSave);
     IpcContainer *ipcContainer = container->ipcContainer;
-    if (ipcContainer != NULL) {
+    if (ipcContainer == NULL) {
-        LOS_AtomicDec(&ipcContainer->rc);
+        SCHEDULER_UNLOCK(intSave);
-        if (LOS_AtomicRead(&ipcContainer->rc) <= 0) {
+        return;
-            g_currentIpcContainerNum--;
-            SCHEDULER_UNLOCK(intSave);
-            ShmDeinit();
-            container->ipcContainer = NULL;
-            (VOID)LOS_MemFree(m_aucSysMem1, ipcContainer->allQueue);
-            (VOID)LOS_MemFree(m_aucSysMem1, ipcContainer);
-            return;
-        }
     }
+
+    LOS_AtomicDec(&ipcContainer->rc);
+    if (LOS_AtomicRead(&ipcContainer->rc) > 0) {
+        SCHEDULER_UNLOCK(intSave);
+        return;
+    }
+
+    g_currentIpcContainerNum--;
     SCHEDULER_UNLOCK(intSave);
+    ShmDeinit();
+    container->ipcContainer = NULL;
+    (VOID)LOS_MemFree(m_aucSysMem1, ipcContainer->allQueue);
+    (VOID)LOS_MemFree(m_aucSysMem1, ipcContainer);
     return;
 }
 

kernel/base/container/los_mnt_container.c

@@ -187,7 +187,7 @@ STATIC VOID FreeMountList(LIST_HEAD *mountList)
     return;
 }
 
-VOID OsMntContainersDestroy(Container *container)
+VOID OsMntContainerDestroy(Container *container)
 {
     UINT32 intSave;
     if (container == NULL) {
@@ -196,18 +196,22 @@ VOID OsMntContainersDestroy(Container *container)
 
     SCHEDULER_LOCK(intSave);
     MntContainer *mntContainer = container->mntContainer;
-    if (mntContainer != NULL) {
+    if (mntContainer == NULL) {
-        LOS_AtomicDec(&mntContainer->rc);
+        SCHEDULER_UNLOCK(intSave);
-        if (LOS_AtomicRead(&mntContainer->rc) <= 0) {
+        return;
-            g_currentMntContainerNum--;
-            SCHEDULER_UNLOCK(intSave);
-            FreeMountList(&mntContainer->mountList);
-            container->mntContainer = NULL;
-            (VOID)LOS_MemFree(m_aucSysMem1, mntContainer);
-            return;
-        }
     }
+
+    LOS_AtomicDec(&mntContainer->rc);
+    if (LOS_AtomicRead(&mntContainer->rc) > 0) {
+        SCHEDULER_UNLOCK(intSave);
+        return;
+    }
+
+    g_currentMntContainerNum--;
     SCHEDULER_UNLOCK(intSave);
+    FreeMountList(&mntContainer->mountList);
+    container->mntContainer = NULL;
+    (VOID)LOS_MemFree(m_aucSysMem1, mntContainer);
     return;
 }
 

kernel/base/container/los_pid_container.c

@@ -195,7 +195,7 @@ UINT32 OsAllocVtid(LosTaskCB *taskCB, const LosProcessCB *processCB)
     return taskCB->taskID;
 }
 
-VOID OsPidContainersDestroyAllProcess(LosProcessCB *curr)
+VOID OsPidContainerDestroyAllProcess(LosProcessCB *curr)
 {
     INT32 ret;
     UINT32 intSave;
@@ -264,35 +264,66 @@ STATIC PidContainer *CreateNewPidContainer(PidContainer *parent)
     newPidContainer->parent = parent;
     if (parent != NULL) {
         LOS_AtomicSet(&newPidContainer->level, parent->level + 1);
+        newPidContainer->referenced = FALSE;
     } else {
         LOS_AtomicSet(&newPidContainer->level, 0);
+        newPidContainer->referenced = TRUE;
     }
     return newPidContainer;
 }
 
+VOID OsPidContainerDestroy(LosProcessCB *curr)
+{
+    if (curr->container == NULL) {
+        return;
+    }
+
+    PidContainer *pidContainer = curr->container->pidContainer;
+    if (pidContainer == NULL) {
+        return;
+    }
+
+    FreeVpid(curr);
+
+    if (pidContainer != curr->container->pidForChildContainer) {
+        LOS_AtomicDec(&curr->container->pidForChildContainer->rc);
+        if (LOS_AtomicRead(&curr->container->pidForChildContainer->rc) <= 0) {
+            g_currentPidContainerNum--;
+            (VOID)LOS_MemFree(m_aucSysMem1, curr->container->pidForChildContainer);
+            curr->container->pidForChildContainer = NULL;
+        }
+    }
+
+    if (LOS_AtomicRead(&pidContainer->rc) <= 0) {
+        g_currentPidContainerNum--;
+        curr->container->pidContainer = NULL;
+        curr->container->pidForChildContainer = NULL;
+        (VOID)LOS_MemFree(m_aucSysMem1, pidContainer);
+    }
+
+    OsContainerFree(curr);
+}
+
 STATIC UINT32 CreatePidContainer(LosProcessCB *child, LosProcessCB *parent)
 {
-    UINT32 intSave;
     UINT32 ret;
-    PidContainer *newPidContainer = NULL;
+    UINT32 intSave;
+
     PidContainer *parentContainer = parent->container->pidContainer;
-    if (parentContainer == parent->container->pidForChildContainer) {
+    PidContainer *newPidContainer = CreateNewPidContainer(parentContainer);
-        newPidContainer = CreateNewPidContainer(parentContainer);
+    if (newPidContainer == NULL) {
-        if (newPidContainer == NULL) {
+        return ENOMEM;
-            return ENOMEM;
-        }
-    } else {
-        newPidContainer = parent->container->pidForChildContainer;
     }
 
     SCHEDULER_LOCK(intSave);
     if ((parentContainer->level + 1) >= PID_CONTAINER_LEVEL_LIMIT) {
-        SCHEDULER_UNLOCK(intSave);
         (VOID)LOS_MemFree(m_aucSysMem1, newPidContainer);
+        SCHEDULER_UNLOCK(intSave);
         return EINVAL;
     }
 
     g_currentPidContainerNum++;
+    newPidContainer->referenced = TRUE;
     child->container->pidContainer = newPidContainer;
     child->container->pidForChildContainer = newPidContainer;
     ret = OsAllocSpecifiedVpidUnsafe(OS_USER_ROOT_PROCESS_ID, child, parent);
@@ -300,6 +331,7 @@ STATIC UINT32 CreatePidContainer(LosProcessCB *child, LosProcessCB *parent)
         g_currentPidContainerNum--;
         FreeVpid(child);
         child->container->pidContainer = NULL;
+        child->container->pidForChildContainer = NULL;
         SCHEDULER_UNLOCK(intSave);
         (VOID)LOS_MemFree(m_aucSysMem1, newPidContainer);
         return ENOSPC;
@@ -308,32 +340,21 @@ STATIC UINT32 CreatePidContainer(LosProcessCB *child, LosProcessCB *parent)
     return LOS_OK;
 }
 
-VOID OsPidContainersDestroy(LosProcessCB *curr)
+STATIC UINT32 UnshareCreatePidContainer(LosProcessCB *child, LosProcessCB *parent)
 {
-    if (curr->container == NULL) {
+    UINT32 ret;
-        return;
-    }
 
-    PidContainer *pidContainer = curr->container->pidContainer;
+    parent->container->pidForChildContainer->referenced = TRUE;
-    if (pidContainer != NULL) {
+    child->container->pidContainer = parent->container->pidForChildContainer;
-        FreeVpid(curr);
+    child->container->pidForChildContainer = parent->container->pidForChildContainer;
-        if (LOS_AtomicRead(&pidContainer->rc) <= 0) {
+    ret = OsAllocSpecifiedVpidUnsafe(OS_USER_ROOT_PROCESS_ID, child, parent);
-            g_currentPidContainerNum--;
+    if (ret == OS_INVALID_VALUE) {
-            if ((pidContainer != curr->container->pidForChildContainer) &&
+        FreeVpid(child);
-                (LOS_AtomicRead(&curr->container->pidForChildContainer->rc) <= 0)) {
+        child->container->pidContainer = NULL;
-                (VOID)LOS_MemFree(m_aucSysMem1, curr->container->pidForChildContainer);
+        child->container->pidForChildContainer = NULL;
-            }
+        return ENOSPC;
-            curr->container->pidContainer = NULL;
-            curr->container->pidForChildContainer = NULL;
-            (VOID)LOS_MemFree(m_aucSysMem1, pidContainer);
-        }
-    }
-
-    LOS_AtomicDec(&curr->container->rc);
-    if (LOS_AtomicRead(&curr->container->rc) == 0) {
-        (VOID)LOS_MemFree(m_aucSysMem1, curr->container);
-        curr->container = NULL;
     }
+    return LOS_OK;
 }
 
 UINT32 OsCopyPidContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent, UINT32 *processID)
@@ -341,23 +362,36 @@ UINT32 OsCopyPidContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
     UINT32 ret;
     UINT32 intSave;
 
-    if (!(flags & CLONE_NEWPID) && (parent->container->pidContainer == parent->container->pidForChildContainer)) {
+    SCHEDULER_LOCK(intSave);
-        SCHEDULER_LOCK(intSave);
+    PidContainer *parentPidContainer = parent->container->pidContainer;
-        child->container->pidContainer = parent->container->pidContainer;
+    PidContainer *parentPidContainerForChild = parent->container->pidForChildContainer;
-        child->container->pidForChildContainer = parent->container->pidContainer;
+    if ((parentPidContainer == parentPidContainerForChild) || (parentPidContainerForChild->referenced == TRUE)) {
-        ret = OsAllocVpid(child);
+        /* The current process is not executing unshare */
-        SCHEDULER_UNLOCK(intSave);
+        if (!(flags & CLONE_NEWPID)) {
-        if (ret == OS_INVALID_VALUE) {
+            child->container->pidContainer = parentPidContainer;
-            PRINT_ERR("[%s] alloc vpid failed\n", __FUNCTION__);
+            child->container->pidForChildContainer = parentPidContainer;
-            return ENOSPC;
+            ret = OsAllocVpid(child);
+            SCHEDULER_UNLOCK(intSave);
+            if (ret == OS_INVALID_VALUE) {
+                PRINT_ERR("[%s] alloc vpid failed\n", __FUNCTION__);
+                return ENOSPC;
+            }
+            *processID = child->processID;
+            return LOS_OK;
         }
-        *processID = child->processID;
+        SCHEDULER_UNLOCK(intSave);
-        return LOS_OK;
-    }
 
-    ret = CreatePidContainer(child, parent);
+        ret = CreatePidContainer(child, parent);
-    if (ret != LOS_OK) {
+        if (ret != LOS_OK) {
-        return ret;
+            return ret;
+        }
+    } else {
+        /* Create the first process after unshare */
+        ret = UnshareCreatePidContainer(child, parent);
+        SCHEDULER_UNLOCK(intSave);
+        if (ret != LOS_OK) {
+            return ret;
+        }
     }
 
     PidContainer *pidContainer = child->container->pidContainer;
@@ -369,13 +403,38 @@ UINT32 OsCopyPidContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
     return LOS_OK;
 }
 
+VOID UnshareDeInitPidContainer(Container *container)
+{
+    UINT32 intSave;
+    PidContainer *pidForChildContainer = NULL;
+    if (container == NULL) {
+        return;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if ((container->pidForChildContainer != NULL) && (container->pidContainer != container->pidForChildContainer)) {
+        LOS_AtomicDec(&container->pidForChildContainer->rc);
+        if (LOS_AtomicRead(&container->pidForChildContainer->rc) <= 0) {
+            g_currentPidContainerNum--;
+            pidForChildContainer = container->pidForChildContainer;
+            container->pidForChildContainer = NULL;
+            container->pidContainer = NULL;
+        }
+    }
+    SCHEDULER_UNLOCK(intSave);
+    (VOID)LOS_MemFree(m_aucSysMem1, pidForChildContainer);
+}
+
 UINT32 OsUnsharePidContainer(UINTPTR flags, LosProcessCB *curr, Container *newContainer)
 {
     UINT32 intSave;
     if (!(flags & CLONE_NEWPID)) {
         SCHEDULER_LOCK(intSave);
         newContainer->pidContainer = curr->container->pidContainer;
-        newContainer->pidForChildContainer = curr->container->pidContainer;
+        newContainer->pidForChildContainer = curr->container->pidForChildContainer;
+        if (newContainer->pidContainer != newContainer->pidForChildContainer) {
+            LOS_AtomicInc(&newContainer->pidForChildContainer->rc);
+        }
         SCHEDULER_UNLOCK(intSave);
         return LOS_OK;
     }
@@ -398,8 +457,10 @@ UINT32 OsUnsharePidContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
         return EINVAL;
     }
 
+    g_currentPidContainerNum++;
     newContainer->pidContainer = curr->container->pidContainer;
     newContainer->pidForChildContainer = pidForChild;
+    LOS_AtomicSet(&pidForChild->rc, 1);
     SCHEDULER_UNLOCK(intSave);
     return LOS_OK;
 }

kernel/base/container/los_time_container.c

@@ -56,30 +56,11 @@ STATIC TimeContainer *CreateNewTimeContainer(TimeContainer *parent)
 STATIC UINT32 CreateTimeContainer(LosProcessCB *child, LosProcessCB *parent)
 {
     UINT32 intSave;
-    TimeContainer *parentContainer = parent->container->timeContainer;
-    if (parentContainer == parent->container->timeForChildContainer) {
-        TimeContainer *newTimeContainer = CreateNewTimeContainer(parentContainer);
-        if (newTimeContainer == NULL) {
-            return ENOMEM;
-        }
-
-        SCHEDULER_LOCK(intSave);
-        g_currentTimeContainerNum++;
-        (VOID)memcpy_s(&newTimeContainer->monotonic, sizeof(struct timespec64),
-                       &parentContainer->monotonic, sizeof(struct timespec64));
-        child->container->timeContainer = newTimeContainer;
-        child->container->timeForChildContainer = newTimeContainer;
-        SCHEDULER_UNLOCK(intSave);
-        return LOS_OK;
-    }
 
     SCHEDULER_LOCK(intSave);
     TimeContainer *newTimeContainer = parent->container->timeForChildContainer;
-    g_currentTimeContainerNum++;
+    LOS_AtomicInc(&newTimeContainer->rc);
-    LOS_AtomicSet(&newTimeContainer->rc, 1);
+    newTimeContainer->frozenOffsets = TRUE;
-    if (!newTimeContainer->frozenOffsets) {
-        newTimeContainer->frozenOffsets = TRUE;
-    }
     child->container->timeContainer = newTimeContainer;
     child->container->timeForChildContainer = newTimeContainer;
     SCHEDULER_UNLOCK(intSave);
@@ -106,7 +87,7 @@ UINT32 OsCopyTimeContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *par
     UINT32 intSave;
     TimeContainer *currTimeContainer = parent->container->timeContainer;
 
-    if (!(flags & CLONE_NEWTIME) && (currTimeContainer == parent->container->timeForChildContainer)) {
+    if (currTimeContainer == parent->container->timeForChildContainer) {
         SCHEDULER_LOCK(intSave);
         LOS_AtomicInc(&currTimeContainer->rc);
         child->container->timeContainer = currTimeContainer;
@@ -125,6 +106,9 @@ UINT32 OsUnshareTimeContainer(UINTPTR flags, LosProcessCB *curr, Container *newC
         SCHEDULER_LOCK(intSave);
         newContainer->timeContainer = curr->container->timeContainer;
         newContainer->timeForChildContainer = curr->container->timeForChildContainer;
+        if (newContainer->timeContainer != newContainer->timeForChildContainer) {
+            LOS_AtomicInc(&newContainer->timeForChildContainer->rc);
+        }
         SCHEDULER_UNLOCK(intSave);
         return LOS_OK;
     }
@@ -141,38 +125,72 @@ UINT32 OsUnshareTimeContainer(UINTPTR flags, LosProcessCB *curr, Container *newC
         return EINVAL;
     }
 
+    (VOID)memcpy_s(&timeForChild->monotonic, sizeof(struct timespec64),
+                   &curr->container->timeContainer->monotonic, sizeof(struct timespec64));
     newContainer->timeContainer = curr->container->timeContainer;
     newContainer->timeForChildContainer = timeForChild;
-    LOS_AtomicSet(&timeForChild->rc, 0);
+    g_currentTimeContainerNum++;
     SCHEDULER_UNLOCK(intSave);
     return LOS_OK;
 }
 
-VOID OsTimeContainersDestroy(LosProcessCB *curr)
+VOID UnshareDeInitTimeContainer(Container *container)
 {
     UINT32 intSave;
+    TimeContainer *timeForChildContainer = NULL;
+    if (container == NULL) {
+        return;
+    }
+
+    SCHEDULER_LOCK(intSave);
+    if ((container->timeForChildContainer != NULL) && (container->timeForChildContainer != container->timeContainer)) {
+        LOS_AtomicDec(&container->timeForChildContainer->rc);
+        if (LOS_AtomicRead(&container->timeForChildContainer->rc) <= 0) {
+            g_currentTimeContainerNum--;
+            timeForChildContainer = container->timeForChildContainer;
+            container->timeForChildContainer = NULL;
+            container->timeContainer = NULL;
+        }
+    }
+    SCHEDULER_UNLOCK(intSave);
+    (VOID)LOS_MemFree(m_aucSysMem1, timeForChildContainer);
+}
+
+VOID OsTimeContainerDestroy(LosProcessCB *curr)
+{
+    UINT32 intSave;
+    TimeContainer *timeContainer = NULL;
+    TimeContainer *timeForChild = NULL;
+
     if (curr->container == NULL) {
         return;
     }
 
     SCHEDULER_LOCK(intSave);
-    TimeContainer *timeContainer = curr->container->timeContainer;
+    if (curr->container->timeContainer == NULL) {
-    if (timeContainer != NULL) {
+        SCHEDULER_UNLOCK(intSave);
-        LOS_AtomicDec(&timeContainer->rc);
+        return;
-        if (LOS_AtomicRead(&timeContainer->rc) <= 0) {
+    }
+
+    if (curr->container->timeContainer != curr->container->timeForChildContainer) {
+        LOS_AtomicDec(&curr->container->timeForChildContainer->rc);
+        if (LOS_AtomicRead(&curr->container->timeForChildContainer->rc) <= 0) {
             g_currentTimeContainerNum--;
-            curr->container->timeContainer = NULL;
+            timeForChild = curr->container->timeForChildContainer;
-            SCHEDULER_UNLOCK(intSave);
-            if ((timeContainer != curr->container->timeForChildContainer) &&
-                (LOS_AtomicRead(&curr->container->timeForChildContainer->rc) <= 0)) {
-                (VOID)LOS_MemFree(m_aucSysMem1, curr->container->timeForChildContainer);
-            }
             curr->container->timeForChildContainer = NULL;
-            (VOID)LOS_MemFree(m_aucSysMem1, timeContainer);
-            return;
         }
     }
+
+    LOS_AtomicDec(&curr->container->timeContainer->rc);
+    if (LOS_AtomicRead(&curr->container->timeContainer->rc) <= 0) {
+        g_currentTimeContainerNum--;
+        timeContainer = curr->container->timeContainer;
+        curr->container->timeContainer = NULL;
+        curr->container->timeForChildContainer = NULL;
+    }
     SCHEDULER_UNLOCK(intSave);
+    (VOID)LOS_MemFree(m_aucSysMem1, timeForChild);
+    (VOID)LOS_MemFree(m_aucSysMem1, timeContainer);
     return;
 }
 

kernel/base/container/los_uts_container.c

@@ -164,7 +164,7 @@ UINT32 OsUnshareUtsContainer(UINTPTR flags, LosProcessCB *curr, Container *newCo
     return LOS_OK;
 }
 
-VOID OsUtsContainersDestroy(Container *container)
+VOID OsUtsContainerDestroy(Container *container)
 {
     UINT32 intSave;
     if (container == NULL) {
@@ -173,17 +173,20 @@ VOID OsUtsContainersDestroy(Container *container)
 
     SCHEDULER_LOCK(intSave);
     UtsContainer *utsContainer = container->utsContainer;
-    if (utsContainer != NULL) {
+    if (utsContainer == NULL) {
-        LOS_AtomicDec(&utsContainer->rc);
+        SCHEDULER_UNLOCK(intSave);
-        if (LOS_AtomicRead(&utsContainer->rc) <= 0) {
+        return;
-            g_currentUtsContainerNum--;
-            container->utsContainer = NULL;
-            SCHEDULER_UNLOCK(intSave);
-            (VOID)LOS_MemFree(m_aucSysMem1, utsContainer);
-            return;
-        }
     }
+
+    LOS_AtomicDec(&utsContainer->rc);
+    if (LOS_AtomicRead(&utsContainer->rc) > 0) {
+        SCHEDULER_UNLOCK(intSave);
+        return;
+    }
+    g_currentUtsContainerNum--;
+    container->utsContainer = NULL;
     SCHEDULER_UNLOCK(intSave);
+    (VOID)LOS_MemFree(m_aucSysMem1, utsContainer);
     return;
 }
 

kernel/base/core/los_process.c

@@ -71,7 +71,7 @@ LITE_OS_SEC_BSS ProcessGroup *g_processGroup = NULL;
 STATIC INLINE VOID OsInsertPCBToFreeList(LosProcessCB *processCB)
 {
 #ifdef LOSCFG_PID_CONTAINER
-    OsPidContainersDestroy(processCB);
+    OsPidContainerDestroy(processCB);
 #endif
     UINT32 pid = processCB->processID;
     (VOID)memset_s(processCB, sizeof(LosProcessCB), 0, sizeof(LosProcessCB));

kernel/base/include/los_container_pri.h

@@ -89,6 +89,8 @@ UINT32 OsCopyContainers(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent
 
 VOID OsContainersDestroy(LosProcessCB *processCB);
 
+VOID OsContainerFree(LosProcessCB *processCB);
+
 UINT32 OsAllocContainerID(VOID);
 
 UINT32 OsGetContainerID(Container *container, ContainerType type);

kernel/base/include/los_ipc_container_pri.h

@@ -64,7 +64,7 @@ UINT32 OsCopyIpcContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
 
 UINT32 OsUnshareIpcContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
 
-VOID OsIpcContainersDestroy(struct Container *container);
+VOID OsIpcContainerDestroy(struct Container *container);
 
 UINT32 OsGetIpcContainerID(IpcContainer *ipcContainer);
 

kernel/base/include/los_mnt_container_pri.h

@@ -55,7 +55,7 @@ UINT32 OsCopyMntContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
 
 UINT32 OsUnshareMntContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
 
-VOID OsMntContainersDestroy(struct Container *container);
+VOID OsMntContainerDestroy(struct Container *container);
 
 UINT32 OsGetMntContainerID(MntContainer *mntContainer);
 

kernel/base/include/los_pid_container_pri.h

@@ -52,6 +52,7 @@ typedef struct PidContainer {
     Atomic              rc;
     Atomic              level;
     Atomic              lock;
+    BOOL                referenced;
     UINT32              containerID;
     struct PidContainer *parent;
     struct ProcessGroup *rootPGroup;
@@ -70,14 +71,16 @@ typedef struct PidContainer {
 
 UINT32 OsAllocSpecifiedVpidUnsafe(UINT32 vpid, LosProcessCB *processCB, LosProcessCB *parent);
 
-VOID OsPidContainersDestroyAllProcess(LosProcessCB *processCB);
+VOID OsPidContainerDestroyAllProcess(LosProcessCB *processCB);
 
-VOID OsPidContainersDestroy(LosProcessCB *curr);
+VOID OsPidContainerDestroy(LosProcessCB *curr);
 
 UINT32 OsCopyPidContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent, UINT32 *processID);
 
 UINT32 OsUnsharePidContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
 
+VOID UnshareDeInitPidContainer(struct Container *container);
+
 UINT32 OsInitRootPidContainer(PidContainer **pidContainer);
 
 LosProcessCB *OsGetPCBFromVpid(UINT32 vpid);

kernel/base/include/los_time_container_pri.h

@@ -50,7 +50,9 @@ UINT32 OsCopyTimeContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *par
 
 UINT32 OsUnshareTimeContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
 
-VOID OsTimeContainersDestroy(LosProcessCB *curr);
+VOID UnshareDeInitTimeContainer(struct Container *container);
+
+VOID OsTimeContainerDestroy(LosProcessCB *curr);
 
 UINT32 OsGetTimeContainerID(TimeContainer *timeContainer);
 

kernel/base/include/los_uts_container_pri.h

@@ -52,7 +52,7 @@ UINT32 OsCopyUtsContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *pare
 
 UINT32 OsUnshareUtsContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
 
-VOID OsUtsContainersDestroy(struct Container *container);
+VOID OsUtsContainerDestroy(struct Container *container);
 
 struct utsname *OsGetCurrUtsName(VOID);
 

testsuites/unittest/container/It_container_test.cpp

@@ -162,6 +162,30 @@ HWTEST_F(ContainerTest, ItPidContainer028, TestSize.Level0)
 {
     ItPidContainer028();
 }
+
+/**
+* @tc.name: Container_Pid_Test_029
+* @tc.desc: pid container function test case
+* @tc.type: FUNC
+* @tc.require: issueI6BE5A
+* @tc.author:
+*/
+HWTEST_F(ContainerTest, ItPidContainer029, TestSize.Level0)
+{
+    ItPidContainer029();
+}
+
+/**
+* @tc.name: Container_Pid_Test_030
+* @tc.desc: pid container function test case
+* @tc.type: FUNC
+* @tc.require: issueI6BE5A
+* @tc.author:
+*/
+HWTEST_F(ContainerTest, ItPidContainer030, TestSize.Level0)
+{
+    ItPidContainer030();
+}
 #endif
 #if defined(LOSCFG_USER_TEST_UTS_CONTAINER)
 /**
@@ -293,12 +317,22 @@ HWTEST_F(ContainerTest, ItMntContainer007, TestSize.Level0)
 * @tc.require: issueI6APW2
 * @tc.author:
 */
-
 HWTEST_F(ContainerTest, ItContainerChroot001, TestSize.Level0)
 {
     ItContainerChroot001();
 }
 
+/**
+* @tc.name: chroot_Test_002
+* @tc.desc: chroot function test case
+* @tc.type: FUNC
+* @tc.require: issueI6APW2
+* @tc.author:
+*/
+HWTEST_F(ContainerTest, ItContainerChroot002, TestSize.Level0)
+{
+    ItContainerChroot002();
+}
 #endif /* LOSCFG_USER_TEST_MNT_CONTAINER */
 
 #if defined(LOSCFG_USER_TEST_IPC_CONTAINER)
@@ -500,6 +534,20 @@ HWTEST_F(ContainerTest, ItPidContainer004, TestSize.Level0)
     ItPidContainer004();
 }
 
+#if defined(LOSCFG_USER_TEST_UTS_CONTAINER)
+/**
+* @tc.name: Container_Pid_Test_005
+* @tc.desc: pid container function test case
+* @tc.type: FUNC
+* @tc.require: issueI68LVW
+* @tc.author:
+*/
+HWTEST_F(ContainerTest, ItPidContainer005, TestSize.Level0)
+{
+    ItPidContainer005();
+}
+#endif
+
 /**
 * @tc.name: Container_Pid_Test_006
 * @tc.desc: pid container function test case

testsuites/unittest/container/It_container_test.h

@@ -138,12 +138,15 @@ private:
 #if defined(LOSCFG_USER_TEST_SMOKE)
 void ItContainer001(void);
 void ItContainerChroot001(void);
+void ItContainerChroot002(void);
 #if defined(LOSCFG_USER_TEST_PID_CONTAINER)
 void ItPidContainer023(void);
 void ItPidContainer025(void);
 void ItPidContainer026(void);
 void ItPidContainer027(void);
 void ItPidContainer028(void);
+void ItPidContainer029(void);
+void ItPidContainer030(void);
 #endif
 #if defined(LOSCFG_USER_TEST_UTS_CONTAINER)
 void ItUtsContainer001(void);
@@ -188,6 +191,7 @@ void ItPidContainer001(void);
 void ItPidContainer002(void);
 void ItPidContainer003(void);
 void ItPidContainer004(void);
+void ItPidContainer005(void);
 void ItPidContainer006(void);
 void ItPidContainer007(void);
 void ItPidContainer008(void);

testsuites/unittest/container/config.gni

@@ -39,6 +39,7 @@ sources_entry = [ "$TEST_UNITTEST_DIR/container/It_container_test.cpp" ]
 sources_smoke = [
   "$TEST_UNITTEST_DIR/container/smoke/It_container_001.cpp",
   "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_001.cpp",
+  "$TEST_UNITTEST_DIR/container/smoke/It_container_chroot_002.cpp",
 ]
 
 sources_full = []
@@ -50,12 +51,15 @@ if (defined(LOSCFG_USER_TEST_PID_CONTAINER)) {
     "$TEST_UNITTEST_DIR/container/smoke/It_pid_container_026.cpp",
     "$TEST_UNITTEST_DIR/container/smoke/It_pid_container_027.cpp",
     "$TEST_UNITTEST_DIR/container/smoke/It_pid_container_028.cpp",
+    "$TEST_UNITTEST_DIR/container/smoke/It_pid_container_029.cpp",
+    "$TEST_UNITTEST_DIR/container/smoke/It_pid_container_030.cpp",
   ]
   sources_full += [
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_001.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_002.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_003.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_004.cpp",
+    "$TEST_UNITTEST_DIR/container/full/It_pid_container_005.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_006.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_007.cpp",
     "$TEST_UNITTEST_DIR/container/full/It_pid_container_008.cpp",

testsuites/unittest/container/full/It_pid_container_002.cpp

@@ -54,20 +54,23 @@ static int ChildFunClone3(void *p)
     }
 
     childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    free(pstk);
     if (childPid == -1) {
-        free(pstk);
         return EXIT_CODE_ERRNO_4;
     }
 
     ret = waitpid(childPid, &status, 0);
-    ret = WIFEXITED(status);
+    if (ret != childPid) {
-    ret = WEXITSTATUS(status);
-    if (ret != CONTAINER_THIRD_PID) {
-        free(pstk);
         return EXIT_CODE_ERRNO_5;
     }
-
+    ret = WIFEXITED(status);
-    free(pstk);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_6;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != CONTAINER_THIRD_PID) {
+        return EXIT_CODE_ERRNO_7;
+    }
     return childFunRet;
 }
 

testsuites/unittest/container/full/It_pid_container_003.cpp

@@ -41,7 +41,7 @@ static int ChildFunClone2()
     if (pstk == NULL) {
         return -1;
     }
-    int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, CLONE_NEWUTS | SIGCHLD, NULL);
+    int childPid = clone(ChildFun, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
 
     free(pstk);
     return childPid;

testsuites/unittest/container/full/It_pid_container_004.cpp

@@ -70,11 +70,17 @@ static int ChildFunClone1(void *p)
     }
 
     ret = waitpid(childPid, &status, 0);
+    if (ret != childPid) {
+        return EXIT_CODE_ERRNO_4;
+    }
     ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_5;
+    }
     ret = WEXITSTATUS(status);
     if (ret != 0) {
         free(pstk);
-        return EXIT_CODE_ERRNO_4;
+        return EXIT_CODE_ERRNO_6;
     }
 
     free(pstk);

testsuites/unittest/container/full/It_pid_container_005.cpp

@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_container_test.h"
+
+static int ChildFunClone3(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid != CONTAINER_SECOND_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    return 0;
+}
+
+static int ChildFunClone2(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid != CONTAINER_FIRST_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    int ret;
+    int status;
+    void *pstk = malloc(STACK_SIZE);
+    if (pstk == NULL) {
+        return EXIT_CODE_ERRNO_2;
+    }
+    int childPid = clone(ChildFunClone3, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    if (childPid == -1) {
+        free(pstk);
+        return EXIT_CODE_ERRNO_3;
+    }
+
+    ret = waitpid(childPid, &status, 0);
+    ret = WIFEXITED(status);
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        free(pstk);
+        return EXIT_CODE_ERRNO_4;
+    }
+
+    free(pstk);
+    return 0;
+}
+
+static int ChildFunClone1(void *p)
+{
+    (void)p;
+    int ret;
+    int status;
+    const char *containerType = "pid";
+    const char *containerType1 = "pid_for_children";
+
+    auto pid = getpid();
+    ret = unshare(CLONE_NEWPID);
+    if (ret == -1) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    auto pid1 = getpid();
+    if (pid != pid1) {
+        return EXIT_CODE_ERRNO_2;
+    }
+
+    auto linkBuffer = ReadlinkContainer(pid, containerType);
+    auto linkBuffer1 = ReadlinkContainer(pid, containerType1);
+    ret = linkBuffer.compare(linkBuffer1);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_3;
+    }
+
+    void *pstk = malloc(STACK_SIZE);
+    if (pstk == NULL) {
+        return EXIT_CODE_ERRNO_4;
+    }
+    int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWUTS | SIGCHLD, NULL);
+    free(pstk);
+    if (childPid == -1) {
+        return EXIT_CODE_ERRNO_5;
+    }
+
+    ret = waitpid(childPid, &status, 0);
+    if (ret != childPid) {
+        return EXIT_CODE_ERRNO_6;
+    }
+    ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_7;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_8;
+    }
+    return 0;
+}
+
+void ItPidContainer005(void)
+{
+    int status;
+    int ret;
+    void *pstk = malloc(STACK_SIZE);
+    ASSERT_TRUE(pstk != NULL);
+
+    int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    free(pstk);
+    ASSERT_NE(childPid, -1);
+
+    ret = waitpid(childPid, &status, 0);
+    ASSERT_EQ(ret, childPid);
+    ret = WIFEXITED(status);
+    ASSERT_NE(ret, 0);
+    ret = WEXITSTATUS(status);
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/container/smoke/It_container_chroot_002.cpp

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_container_test.h"
+using namespace std;
+
+static int OpendirCheck(void)
+{
+    DIR *dir = opendir("/proc");
+    if (dir == nullptr) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    closedir(dir);
+    return 0;
+}
+
+static int ChildFunc(void *arg)
+{
+    int ret = 0;
+    ret = OpendirCheck();
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_1;
+    }
+
+    return 0;
+}
+
+static int TestFunc(void *arg)
+{
+    int ret = 0;
+    int fd;
+    char *stack = (char *)mmap(nullptr, STACK_SIZE, PROT_READ | PROT_WRITE,
+                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
+    if (stack == nullptr) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    char *stackTop = stack + STACK_SIZE;
+
+    ret = OpendirCheck();
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_2;
+    }
+
+    ret = chroot("/system/etc");
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_3;
+    }
+
+    ret = OpendirCheck();
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_4;
+    }
+    fd = open("/PCID.sc", O_RDONLY);
+    if (fd == -1) {
+        return EXIT_CODE_ERRNO_5;
+    }
+    close(fd);
+    sleep(1);
+
+    auto pid = clone(ChildFunc, stackTop, SIGCHLD, arg);
+    if (pid == -1) {
+        return EXIT_CODE_ERRNO_6;
+    }
+    int status;
+    ret = waitpid(pid, &status, 0);
+    ret = WIFEXITED(status);
+    int exitCode = WEXITSTATUS(status);
+    if (exitCode != 0) {
+        return EXIT_CODE_ERRNO_7;
+    }
+
+    return 0;
+}
+
+void ItContainerChroot002(void)
+{
+    int ret = 0;
+    char *stack = (char *)mmap(nullptr, STACK_SIZE, PROT_READ | PROT_WRITE,
+                               MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0);
+    ASSERT_TRUE(stack != nullptr);
+    char *stackTop = stack + STACK_SIZE;
+
+    int arg = CHILD_FUNC_ARG;
+    auto pid = clone(TestFunc, stackTop, SIGCHLD, &arg);
+    ASSERT_NE(pid, -1);
+
+    int status;
+    ret = waitpid(pid, &status, 0);
+    ret = WIFEXITED(status);
+    int exitCode = WEXITSTATUS(status);
+    ASSERT_EQ(exitCode, 0);
+}

testsuites/unittest/container/smoke/It_pid_container_027.cpp

@@ -102,7 +102,7 @@ static int ChildFunClone1(void *p)
     if (pstk == NULL) {
         return EXIT_CODE_ERRNO_4;
     }
-    int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWUTS | SIGCHLD, NULL);
+    int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
     free(pstk);
     if (childPid == -1) {
         return EXIT_CODE_ERRNO_5;
@@ -132,7 +132,6 @@ void ItPidContainer027(void)
 {
     void *pstk = malloc(STACK_SIZE);
     ASSERT_TRUE(pstk != NULL);
-    pid_t parentPid = getpid();
 
     int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
     free(pstk);

testsuites/unittest/container/smoke/It_pid_container_028.cpp

@@ -130,7 +130,6 @@ void ItPidContainer028(void)
 {
     void *pstk = malloc(STACK_SIZE);
     ASSERT_TRUE(pstk != NULL);
-    pid_t parentPid = getpid();
 
     int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
     free(pstk);

testsuites/unittest/container/smoke/It_pid_container_029.cpp

@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_container_test.h"
+
+static int ChildFunClone3(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid != CONTAINER_FIRST_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    return 0;
+}
+
+static int ChildFunClone2(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid != CONTAINER_FIRST_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    return 0;
+}
+
+static int ChildFunClone1(void *p)
+{
+    (void)p;
+    int ret;
+    int status;
+    const char *containerType = "pid";
+    const char *containerType1 = "pid_for_children";
+
+    auto pid = getpid();
+    ret = unshare(CLONE_NEWPID);
+    if (ret == -1) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    auto pid1 = getpid();
+    if (pid != pid1) {
+        return EXIT_CODE_ERRNO_2;
+    }
+
+    auto linkBuffer = ReadlinkContainer(pid, containerType);
+    auto linkBuffer1 = ReadlinkContainer(pid, containerType1);
+    ret = linkBuffer.compare(linkBuffer1);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_3;
+    }
+
+    void *pstk = malloc(STACK_SIZE);
+    if (pstk == NULL) {
+        return EXIT_CODE_ERRNO_4;
+    }
+    int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
+    if (childPid == -1) {
+        free(pstk);
+        return EXIT_CODE_ERRNO_5;
+    }
+
+    int childPid1 = clone(ChildFunClone3, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
+    free(pstk);
+    if (childPid1 == -1) {
+        return EXIT_CODE_ERRNO_6;
+    }
+
+    ret = unshare(CLONE_NEWPID);
+    if (ret != -1) {
+        return EXIT_CODE_ERRNO_7;
+    }
+
+    ret = waitpid(childPid, &status, 0);
+    if (ret != childPid) {
+        return EXIT_CODE_ERRNO_8;
+    }
+    ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_9;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_10;
+    }
+    ret = waitpid(childPid1, &status, 0);
+    if (ret != childPid1) {
+        return EXIT_CODE_ERRNO_11;
+    }
+    ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_12;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_13;
+    }
+    return 0;
+}
+
+void ItPidContainer029(void)
+{
+    void *pstk = malloc(STACK_SIZE);
+    ASSERT_TRUE(pstk != NULL);
+
+    int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    free(pstk);
+    ASSERT_NE(childPid, -1);
+
+    int status;
+    int ret = waitpid(childPid, &status, 0);
+    ASSERT_EQ(ret, childPid);
+    ret = WIFEXITED(status);
+    ASSERT_NE(ret, 0);
+    ret = WEXITSTATUS(status);
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/container/smoke/It_pid_container_030.cpp

@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "It_container_test.h"
+
+static int ChildFunClone3(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid == CONTAINER_SECOND_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    return 0;
+}
+
+static int ChildFunClone2(void *p)
+{
+    (void)p;
+    auto pid = getpid();
+    if (pid != CONTAINER_FIRST_PID) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    return 0;
+}
+
+static int ChildFunClone1(void *p)
+{
+    (void)p;
+    int ret;
+    int status;
+    const char *containerType = "pid";
+    const char *containerType1 = "pid_for_children";
+
+    auto pid = getpid();
+    ret = unshare(CLONE_NEWPID);
+    if (ret == -1) {
+        return EXIT_CODE_ERRNO_1;
+    }
+    auto pid1 = getpid();
+    if (pid != pid1) {
+        return EXIT_CODE_ERRNO_2;
+    }
+
+    auto linkBuffer = ReadlinkContainer(pid, containerType);
+    auto linkBuffer1 = ReadlinkContainer(pid, containerType1);
+    ret = linkBuffer.compare(linkBuffer1);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_3;
+    }
+
+    void *pstk = malloc(STACK_SIZE);
+    if (pstk == NULL) {
+        return EXIT_CODE_ERRNO_4;
+    }
+    int childPid = clone(ChildFunClone2, (char *)pstk + STACK_SIZE, CLONE_NEWPID | SIGCHLD, NULL);
+    if (childPid == -1) {
+        free(pstk);
+        return EXIT_CODE_ERRNO_5;
+    }
+
+    int childPid1 = clone(ChildFunClone3, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    free(pstk);
+    if (childPid1 == -1) {
+        return EXIT_CODE_ERRNO_6;
+    }
+
+    ret = unshare(CLONE_NEWPID);
+    if (ret != -1) {
+        return EXIT_CODE_ERRNO_7;
+    }
+
+    ret = waitpid(childPid, &status, 0);
+    if (ret != childPid) {
+        return EXIT_CODE_ERRNO_8;
+    }
+    ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_9;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_10;
+    }
+    ret = waitpid(childPid1, &status, 0);
+    if (ret != childPid1) {
+        return EXIT_CODE_ERRNO_11;
+    }
+    ret = WIFEXITED(status);
+    if (ret == 0) {
+        return EXIT_CODE_ERRNO_12;
+    }
+    ret = WEXITSTATUS(status);
+    if (ret != 0) {
+        return EXIT_CODE_ERRNO_13;
+    }
+    return 0;
+}
+
+void ItPidContainer030(void)
+{
+    void *pstk = malloc(STACK_SIZE);
+    ASSERT_TRUE(pstk != NULL);
+
+    int childPid = clone(ChildFunClone1, (char *)pstk + STACK_SIZE, SIGCHLD, NULL);
+    free(pstk);
+    ASSERT_NE(childPid, -1);
+
+    int status;
+    int ret = waitpid(childPid, &status, 0);
+    ASSERT_EQ(ret, childPid);
+    ret = WIFEXITED(status);
+    ASSERT_NE(ret, 0);
+    ret = WEXITSTATUS(status);
+    ASSERT_EQ(ret, 0);
+}

testsuites/unittest/container/smoke/It_time_container_001.cpp

@@ -61,7 +61,7 @@ void ItTimeContainer001(void)
 
     auto linkBuffer2 = ReadlinkContainer(pid, containerType);
     ret = linkBuffer.compare(linkBuffer2);
-    ASSERT_NE(ret, 0);
+    ASSERT_EQ(ret, 0);
 
     ret = waitpid(pid, &status, 0);
     ASSERT_EQ(ret, pid);