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Date
SubjectRe: [PATCH net 0/3] rxrpc: Fixes
From
From: David Howells <dhowells@redhat.com>
Date: Fri, 20 Dec 2019 23:05:19 +0000

>
> Here are a couple of bugfixes plus a patch that makes one of the bugfixes
> easier:
>
> (1) Move the ping and mutex unlock on a new call from rxrpc_input_packet()
> into rxrpc_new_incoming_call(), which it calls. This means the
> lock-unlock section is entirely within the latter function. This
> simplifies patch (2).
>
> (2) Don't take the call->user_mutex at all in the softirq path. Mutexes
> aren't allowed to be taken or released there and a patch was merged
> that caused a warning to be emitted every time this happened. Looking
> at the code again, it looks like that taking the mutex isn't actually
> necessary, as the value of call->state will block access to the call.
>
> (3) Fix the incoming call path to check incoming calls earlier to reject
> calls to RPC services for which we don't have a security key of the
> appropriate class. This avoids an assertion failure if YFS tries
> making a secure call to the kafs cache manager RPC service.
>
> The patches are tagged here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
> rxrpc-fixes-20191220

Pulled, thanks David.

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