Re: KASAN: use-after-free Read in crypto_aead_free_instance

From: Dmitry Vyukov
Date: Wed Dec 20 2017 - 07:00:12 EST


On Wed, Dec 20, 2017 at 12:49 PM, Stephan Mueller <smueller@xxxxxxxxxx> wrote:
> Am Mittwoch, 20. Dezember 2017, 11:15:38 CET schrieb Dmitry Vyukov:
>
> Hi Dmitry,
>
>>
>> What will be its meaning? How will it differ from fix?
>
> Maybe a short clarification would help: what is the meaning of the syz fix
> marker?

It's described here:
https://github.com/google/syzkaller/blob/master/docs/syzbot.md#bug-status-tracking

> Depending on this answer, all that I am thinking of is to mark bug
> reports for which there are fixes actively discussed, but yet not integrated.
> Thus, such marker should only help others to point them to active discussions
> instead of them trying to find fixes alone.

If it's only for humans, then there is no need to make a special
machine-readable command for this.
So basically what you wrote above is good:

> This issue vanishes after applying the patch "[PATCH v2] crypto: AF_ALG - limit mask and type".

I just didn't understand that's still pending (but perhaps that's what
you meant by including "[PATCH v2]" part).