kmemleak检测到tzdriver存在内存泄漏

**【标题描述】kmemleak检测到tzdriver存在内存泄漏

**一、缺陷信息**

**内核信息：**

**缺陷归属组件：**
itrustee_tzdriver/tree/v1.5.0/
**缺陷归属的版本：**
kmemleak检测到tzdriver存在内存泄漏
**缺陷简述：**

**【环境信息】**
硬件信息
- 裸机场景请提供问题的硬件信息
- 虚拟机场景请提供虚拟机的XML文件或配置信息
软件信息
- OS版本及分支信息
- 内核信息
- 发现问题的组件版本信息
网络信息
- 如果有特殊组网，请提供网络拓扑信息

**【问题复现步骤】**，请描述具体的操作步骤
kasan内核下 插入tzdriver
echo scan > /sys/kernel/debug/kmemleak
cat /sys/kernel/debug/kmemleak
**【实际结果】**，请描述出问题的结果和影响
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff15cd411a7c00 (size 256):
  comm "insmod", pid 20765, jiffies 4295011430 (age 1267.108s)
  hex dump (first 32 bytes):
    00 00 1e 38 57 fe ff ff 00 00 1f 38 57 fe ff ff  ...8W......8W...
    00 00 20 38 57 fe ff ff 00 00 21 38 57 fe ff ff  .. 8W.....!8W...
  backtrace:
    [<00000000ae78ef29>] kmemleak_alloc+0xb4/0xd0
    [<00000000e4ea2152>] kmem_cache_alloc_trace+0x350/0x710
    [<000000007b2f5f0e>] mailbox_mempool_init+0x9c/0x23c [tzdriver]
    [<0000000089a66bf0>] tc_teeos_init+0x10c/0x228 [tzdriver]
    [<00000000bd4f4838>] measure_log_read_show+0x10/0x40 [dim_core]
    [<00000000930d02a3>] do_one_initcall+0xb8/0x3d0
    [<000000002f9ce533>] do_init_module+0xd0/0x3c0
    [<00000000388e2578>] load_module+0x9f8/0xbd0
    [<000000001dadaf03>] __se_sys_finit_module+0x120/0x1b0
    [<00000000d5f16eec>] __arm64_sys_finit_module+0x4c/0x60
    [<0000000044162622>] el0_svc_common.constprop.0+0xc0/0x2c4
    [<00000000bc82b38b>] do_el0_svc+0xb4/0xec
    [<0000000002eb2a30>] el0_svc+0x24/0x34
    [<000000008c4f33d2>] el0_sync_handler+0x164/0x170
    [<000000001b9689d2>] el0_sync+0x160/0x180
unreferenced object 0xffff15cd58521a40 (size 112):
  comm "bash", pid 13293, jiffies 4295115726 (age 849.936s)
  hex dump (first 32 bytes):
    06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000ae78ef29>] kmemleak_alloc+0xb4/0xd0
    [<0000000024d38bd6>] kmem_cache_alloc+0x33c/0x720
    [<000000008668db45>] alloc_pid.part.0+0xb4/0xa70
    [<0000000091250f53>] alloc_pid+0x78/0xa0
    [<00000000a071c45e>] copy_process+0xd54/0x252c
    [<0000000061d8842d>] kernel_clone+0x10c/0x514
    [<000000000e29ff63>] __se_sys_clone+0xd8/0x120
    [<0000000064f2441c>] __arm64_sys_clone+0x78/0x90
    [<0000000044162622>] el0_svc_common.constprop.0+0xc0/0x2c4
    [<00000000bc82b38b>] do_el0_svc+0xb4/0xec
    [<0000000002eb2a30>] el0_svc+0x24/0x34
    [<000000008c4f33d2>] el0_sync_handler+0x164/0x170
    [<000000001b9689d2>] el0_sync+0x160/0x180
unreferenced object 0xffff35cc9dcbc540 (size 112):
  comm "bash", pid 13293, jiffies 4295233450 (age 379.056s)
  hex dump (first 32 bytes):
    02 00 00 00 00 00 00 00 00 00 00 00 38 00 80 b7  ............8...
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000ae78ef29>] kmemleak_alloc+0xb4/0xd0
    [<0000000024d38bd6>] kmem_cache_alloc+0x33c/0x720
    [<000000008668db45>] alloc_pid.part.0+0xb4/0xa70
    [<0000000091250f53>] alloc_pid+0x78/0xa0
    [<00000000a071c45e>] copy_process+0xd54/0x252c
    [<0000000061d8842d>] kernel_clone+0x10c/0x514
    [<000000000e29ff63>] __se_sys_clone+0xd8/0x120
    [<0000000064f2441c>] __arm64_sys_clone+0x78/0x90
    [<0000000044162622>] el0_svc_common.constprop.0+0xc0/0x2c4
    [<00000000bc82b38b>] do_el0_svc+0xb4/0xec
    [<0000000002eb2a30>] el0_svc+0x24/0x34
    [<000000008c4f33d2>] el0_sync_handler+0x164/0x170
    [<000000001b9689d2>] el0_sync+0x160/0x180
**【其他相关附件信息】**
比如系统message日志/组件日志、dump信息、图片等
![输入图片说明](https://foruda.gitee.com/images/1718442455012033272/d07533e0_6553589.png "屏幕截图")
应该在释放reader之前做相应的put操作的
**缺陷详情参考链接：**

**缺陷分析指导链接：**
https：xxx

openEuler/itrustee_tzdriver

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