Jinjie Ruan 546f02823d user_namespace: use kmemdup_array() instead of kmemdup() for multiple allocation ...

Let the kmemdup_array() take care about multiplication and possible
overflows.

Link: https://lkml.kernel.org/r/20240828072340.1249310-1-ruanjinjie@huawei.com
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Li zeming <zeming@nfschina.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

2024-09-09 16:47:42 -07:00

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