[PATCH v12 1/4] security: add inode_init_security_anon() LSM hook

[Eric Biggers]

On Fri, Nov 06, 2020 at 07:56:23AM -0800, Lokesh Gidra wrote:
> This change adds a new LSM hook, inode_init_security_anon(), that will
> be used while creating secure anonymous inodes. The hook allows/denies
> its creation and assigns a security context to the inode.
> 
> The new hook accepts an optional context_inode parameter that callers
> can use to provide additional contextual information to security modules
> for granting/denying permission to create an anon-inode of the same type.
> This context_inode's security_context can also be used to initialize the
> newly created anon-inode's security_context.
> 
> Signed-off-by: Lokesh Gidra <lokeshgidra at google.com>

Reviewed-by: Eric Biggers <ebiggers at google.com>