[PATCH net] rxrpc: fix some null-ptr-deref bugs in server_key.c

[patchwork-bot+netdevbpf at kernel.org]

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni at redhat.com>:

On Wed, 30 Mar 2022 15:22:14 +0100 you wrote:
> From: Xiaolong Huang <butterflyhuangxx at gmail.com>
> 
> Some function calls are not implemented in rxrpc_no_security, there are
> preparse_server_key, free_preparse_server_key and destroy_server_key.
> When rxrpc security type is rxrpc_no_security, user can easily trigger a
> null-ptr-deref bug via ioctl. So judgment should be added to prevent it
> 
> [...]

Here is the summary with links:
  - [net] rxrpc: fix some null-ptr-deref bugs in server_key.c
    https://git.kernel.org/netdev/net/c/ff8376ade4f6

You are awesome, thank you!
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