Merge branch 'rxrpc-miscellaneous-fixes'

David Howells says:

====================
rxrpc: Miscellaneous fixes

Here are some miscellaneous AF_RXRPC fixes:

 (1) Make sure rxrpc_verify_data() allocates a buffer, even if the DATA
     packet being looked at is zero length to avoid potential NULL-pointer
     exceptions.

 (2) Don't move an OOB message (e.g. an RxGK CHALLENGE) off the receive
     queue onto the pending queue in recvmsg() if MSG_PEEK is specified.

 (3) Fix a potential UAF in rxgk_issue_challenge() in which a tracepoint
     refers to memory just freed by a different pointer.

 (4) Fix afs net namespace teardown to cancel the incoming call
     preallocation charger before we disable listening (which will delete
     the preallocation queue).

 (5) Fix rxrpc_kernel_charge_accept() to use the socket mutex to defend
     against listen(0)/shutdown simultaneously deleting the preallocation
     queue.
====================

Link: https://patch.msgid.link/20260609140911.838677-1-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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