Re: [PATCH] crypto: skcipher - Fix skcipher_walk_aead_common

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



(I accidentally hit "reply" instead of "reply all", so resending)

2017-11-24 6:07 GMT+01:00 Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>:
> On Thu, Nov 23, 2017 at 01:49:06PM +0100, Ondrej Mosnacek wrote:
>> diff --git a/crypto/skcipher.c b/crypto/skcipher.c
>> index 4faa0fd53b0c..6c45ed536664 100644
>> --- a/crypto/skcipher.c
>> +++ b/crypto/skcipher.c
>> @@ -517,6 +517,9 @@ static int skcipher_walk_aead_common(struct skcipher_walk *walk,
>>       scatterwalk_copychunks(NULL, &walk->in, req->assoclen, 2);
>>       scatterwalk_copychunks(NULL, &walk->out, req->assoclen, 2);
>>
>> +     scatterwalk_done(&walk->in, 0, walk->total);
>> +     scatterwalk_done(&walk->out, 0, walk->total);
>
> That should be 1 instead of 0 for walk->out.
>
> Could you please fix and resubmit?

Since the associated data is not written, just skipped, I believe 0 is
more appropriate. scatterwalk_copychunks(..., 2) also calls
scatterwalk_pagedone() with out=0 internally.

O.M.



[Index of Archives]     [Kernel]     [Gnu Classpath]     [Gnu Crypto]     [DM Crypt]     [Netfilter]     [Bugtraq]

  Powered by Linux