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David Howells
2b50aceafe
Change the krb5 crypto library to provide facilities to precheck the length
of the message about to be decrypted or verified.
Fix AF_RXRPC to make use of this to validate DATA packets secured with
RxGK.
Fixes: 9d1d2b5934 ("rxrpc: rxgk: Implement the yfs-rxgk security class (GSSAPI)")
Closes: https://sashiko.dev/#/patchset/20260511160753.607296-1-dhowells%40redhat.com
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: Simon Horman <horms@kernel.org>
cc: Chuck Lever <chuck.lever@oracle.com>
cc: linux-afs@lists.infradead.org
Reviewed-by: Jeffrey Altman <jaltman@auristor.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
Link: https://patch.msgid.link/20260515230516.2718212-2-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>