On Fri, Nov 24, 2017 at 5:31 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 17:25:55 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> Eric also pointed me to grep. But I can't say the code is intuitive.
>> I've spent way more time than I expected to just get a list of all
>> algorithms
Am Freitag, 24. November 2017, 17:25:55 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> Eric also pointed me to grep. But I can't say the code is intuitive.
> I've spent way more time than I expected to just get a list of all
> algorithms with their types. Say, in some cases algorithm descriptions
> do n
On Fri, Nov 24, 2017 at 5:19 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 17:10:59 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> That's more-or-less what I did. Here:
>>
>> var allAlgs = map[int][]algDesc{
>> ALG_AEAD: []algDesc{
>> // templates:
>> {"authencesn", []int{A
Am Freitag, 24. November 2017, 17:18:08 CET schrieb Dmitry Vyukov:
Hi Dmitry,
>
> > {"rfc7539esp", []int{ALG_BLKCIPHER, ALG_HASH}},
> > {"rfc7539", []int{ALG_BLKCIPHER, ALG_HASH}},
> > {"rfc4543", []int{ALG_AEAD}},
> > {"rfc4106", []
Am Freitag, 24. November 2017, 17:10:59 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> That's more-or-less what I did. Here:
>
> var allAlgs = map[int][]algDesc{
> ALG_AEAD: []algDesc{
> // templates:
> {"authencesn", []int{ALG_HASH, ALG_BLKCIPHER}},
> {"gcm", []int{ALG_CIPHER}},
>
> ALG
On Fri, Nov 24, 2017 at 4:03 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> I've cooked syzkaller change that teaches it to generate more
>> algorithm names. Probably not idea, but much better than was before:
>> https://github.c
On Fri, Nov 24, 2017 at 4:03 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> I've cooked syzkaller change that teaches it to generate more
>> algorithm names. Probably not idea, but much better than was before:
>> https://github.c
Am Freitag, 24. November 2017, 16:53:26 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> > You cannot talk to the inner ciphers. You only talk to one cipher that you
> > referred to with the name. Remember, the name is ONLY used to tell the
> > kernel which parts to put together during allocation. After t
On Fri, Nov 24, 2017 at 4:13 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 15:55:59 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> On Fri, Nov 24, 2017 at 3:36 PM, Stephan Mueller
> wrote:
>> > Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
>> >
>> > Hi Dmitry,
>
Am Freitag, 24. November 2017, 15:55:59 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> On Fri, Nov 24, 2017 at 3:36 PM, Stephan Mueller
wrote:
> > Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
> >
> > Hi Dmitry,
> >
> >> On Thu, Nov 23, 2017 at 1:35 PM, Stephan Mueller
> >
> >
Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> I've cooked syzkaller change that teaches it to generate more
> algorithm names. Probably not idea, but much better than was before:
> https://github.com/google/syzkaller/blob/ddf7b3e0655cf6dfeacfe509e477c1486d2
> cc7
On Fri, Nov 24, 2017 at 3:36 PM, Stephan Mueller wrote:
> Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> On Thu, Nov 23, 2017 at 1:35 PM, Stephan Mueller
> wrote:
>> > Am Donnerstag, 23. November 2017, 12:34:54 CET schrieb Dmitry Vyukov:
>> >
>> > Hi Dmitry
Am Freitag, 24. November 2017, 14:49:49 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> On Thu, Nov 23, 2017 at 1:35 PM, Stephan Mueller
wrote:
> > Am Donnerstag, 23. November 2017, 12:34:54 CET schrieb Dmitry Vyukov:
> >
> > Hi Dmitry,
> >
> >> Btw, I've started doing some minimal improvements, did
On Thu, Nov 23, 2017 at 1:35 PM, Stephan Mueller wrote:
> Am Donnerstag, 23. November 2017, 12:34:54 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> Btw, I've started doing some minimal improvements, did not yet sorted
>> out alg types/names, and fuzzer started scratching surface:
>>
>> WARNING: ke
Am Donnerstag, 23. November 2017, 12:34:54 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> Btw, I've started doing some minimal improvements, did not yet sorted
> out alg types/names, and fuzzer started scratching surface:
>
> WARNING: kernel stack regs has bad 'bp' value 77 Nov 23 2017 12:29:36 CET
> g
Am Donnerstag, 23. November 2017, 12:27:30 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> Hi Stephan,
>
> Thanks for the explanation! I am starting to digesting it.
>
> You say that:
> > static const struct crypto_type crypto_skcipher_type2 = {
> >
> > .type = CRYPTO_ALG_TYPE_SKCIPHER,
>
> w
On Thu, Nov 23, 2017 at 12:27 PM, Dmitry Vyukov wrote:
>>
>> Hi Dmitry,
>>
>>> >> I've read the links and starring at the code, but still can't get it.
>>> >> The question is about textual type names in sockaddr.
>>> >> .cra_flags does not specify textual names.
>>> >> [3] again talks about int fl
On Thu, Nov 23, 2017 at 12:10 PM, Stephan Mueller wrote:
> Am Donnerstag, 23. November 2017, 10:37:35 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>> >> I've read the links and starring at the code, but still can't get it.
>> >> The question is about textual type names in sockaddr.
>> >> .cra_flags
Am Donnerstag, 23. November 2017, 10:37:35 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> >> I've read the links and starring at the code, but still can't get it.
> >> The question is about textual type names in sockaddr.
> >> .cra_flags does not specify textual names.
> >> [3] again talks about int fla
On Thu, Nov 23, 2017 at 10:35 AM, Dmitry Vyukov wrote:
> On Thu, Nov 23, 2017 at 10:32 AM, Dmitry Vyukov wrote:
>> On Wed, Nov 22, 2017 at 6:08 PM, Stephan Mueller wrote:
>>> Am Mittwoch, 22. November 2017, 11:44:51 CET schrieb Dmitry Vyukov:
>>>
>>> Hi Dmitry,
>>>
Thanks! I think we c
On Thu, Nov 23, 2017 at 10:32 AM, Dmitry Vyukov wrote:
> On Wed, Nov 22, 2017 at 6:08 PM, Stephan Mueller wrote:
>> Am Mittwoch, 22. November 2017, 11:44:51 CET schrieb Dmitry Vyukov:
>>
>> Hi Dmitry,
>>
>>>
>>> Thanks! I think we can incorporate this into syzkaller.
>>>
>>> One question: what's
On Wed, Nov 22, 2017 at 6:08 PM, Stephan Mueller wrote:
> Am Mittwoch, 22. November 2017, 11:44:51 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>>
>> Thanks! I think we can incorporate this into syzkaller.
>>
>> One question: what's the relation between alg names and type ("aead",
>> "hash", "rng",
Am Mittwoch, 22. November 2017, 18:03:14 CET schrieb Dmitry Vyukov:
Hi Dmitry,
> On Wed, Nov 22, 2017 at 5:54 PM, Stephan Mueller
wrote:
> > Am Dienstag, 21. November 2017, 21:46:28 CET schrieb Eric Biggers:
> >
> > Hi Eric,
> >
> >> (There is probably more to improve for AF_ALG besides the a
Am Mittwoch, 22. November 2017, 11:44:51 CET schrieb Dmitry Vyukov:
Hi Dmitry,
>
> Thanks! I think we can incorporate this into syzkaller.
>
> One question: what's the relation between alg names and type ("aead",
> "hash", "rng", "skcipher")?
If you refer to AF_ALG, then the following applies:
On Wed, Nov 22, 2017 at 5:54 PM, Stephan Mueller wrote:
> Am Dienstag, 21. November 2017, 21:46:28 CET schrieb Eric Biggers:
>
> Hi Eric,
>
>>
>> (There is probably more to improve for AF_ALG besides the algorithm names;
>> this is just what I happened to notice for now.)
>
> Just grepping may not
Am Dienstag, 21. November 2017, 21:46:28 CET schrieb Eric Biggers:
Hi Eric,
>
> (There is probably more to improve for AF_ALG besides the algorithm names;
> this is just what I happened to notice for now.)
Just grepping may not cover all possibilities. Attached is a script that I use
to invoke
On Tue, Nov 21, 2017 at 9:46 PM, Eric Biggers wrote:
> On Tue, Nov 21, 2017 at 09:00:26AM +0100, Dmitry Vyukov wrote:
>> >
>> > Note that separate from asymmetric_keys (which you can think of as being
>> > in-between the keyrings subsystem and the crypto subsystem) there is also
>> > the
>> > use
On Tue, Nov 21, 2017 at 09:00:26AM +0100, Dmitry Vyukov wrote:
> >
> > Note that separate from asymmetric_keys (which you can think of as being
> > in-between the keyrings subsystem and the crypto subsystem) there is also
> > the
> > userspace interface to cryptographic algorithms, AF_ALG. It mig
On Mon, Nov 20, 2017 at 10:42 PM, Eric Biggers wrote:
> +Cc keyri...@vger.kernel.org (for asymmetric_keys)
>
> First of all, thanks for working on this! A lot of this code really needs to
> be
> better tested.
>
> On Mon, Nov 20, 2017 at 03:10:55PM +0100, Alexander Potapenko wrote:
>> Hi all,
>>
+Cc keyri...@vger.kernel.org (for asymmetric_keys)
First of all, thanks for working on this! A lot of this code really needs to be
better tested.
On Mon, Nov 20, 2017 at 03:10:55PM +0100, Alexander Potapenko wrote:
> Hi all,
>
> TL;DR userspace fuzzing may be very effective for finding bugs in
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