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Message-ID: <5111191.QYDWLsXdp1@tauon.chronox.de>
Date: Tue, 28 Nov 2017 07:30:46 +0100
From: Stephan Mueller <smueller@...onox.de>
To: Eric Biggers <ebiggers3@...il.com>
Cc: syzbot
<bot+6fbc13c3b1ed2105e7a2e516be43d6a0624a59c0@...kaller.appspotmail.com>,
davem@...emloft.net, herbert@...dor.apana.org.au,
linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in aead_recvmsg
Am Montag, 27. November 2017, 23:43:08 CET schrieb Eric Biggers:
Hi Eric,
> No, that doesn't help. I tested v4.15-rc1 with all the extra commits from
> crypto-2.6.git/master applied:
>
> crypto: algif_aead - skip SGL entries with NULL page
> crypto: af_alg - remove locking in async callback
> crypto: skcipher - Fix skcipher_walk_aead_common
>
> Did you use the .config the bot provided? It's possible the bug is only
> noticable with KASAN enabled.
Not so far, but the bug seemed to be there without my patch and then gone
after testing it with my patch. It seems not.
I will use your config then.
Thank you.
Ciao
Stephan
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