函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:security\keys\user_defined.c Create Date:2022-07-27 19:59:09
Last Modify:2020-03-18 08:02:01 Copyright©Brick
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函数名称：dispose of the data dangling from the corpse of a user key

函数原型：void user_destroy(struct key *key)

返回类型：void

参数：

类型参数名称
struct key *key
148  upayload等于data[0]
150  kzfree - like kfree but zero memory*@p: object to free memory of* The memory of the object @p points to is zeroed before freed.* If @p is %NULL, kzfree() does nothing.* Note: this function zeroes the whole allocated buffer which can be a good