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

From: Stephan Müller
Date: Mon Nov 27 2017 - 17:02:18 EST


Am Montag, 27. November 2017, 19:56:46 CET schrieb syzbot:

Hi,

> Hello,
>
> syzkaller hit the following crash on
> 6fc478f80f6809cc4b1a4230f47a62d3b7378dc0
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
> C reproducer is attached
> syzkaller reproducer is attached. See https://goo.gl/kgGztJ
> for information about syzkaller reproducers

Could you please re-perform the test applying the patch https://
git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git/commit/?
id=8e1fa89aa8bc2870009b4486644e4a58f2e2a4f5 ?

At least I am not able to reproduce that issue using the repro.c with the
patch applied.

Thanks a lot.

Ciao
Stephan