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SubjectRe: KMSAN: uninit-value in af_alg_free_areq_sgls
Date
Am Freitag, 6. Juli 2018, 10:19:07 CEST schrieb Dmitry Vyukov:

Hi Dmitry,

> On Fri, Jul 6, 2018 at 10:09 AM, syzbot
>
> <syzbot+9c251bdd09f83b92ba95@syzkaller.appspotmail.com> wrote:
> > Hello,
> >
> > syzbot tried to test the proposed patch but build/boot failed:
> >
> > lost connection to test machine
>
> Looking into this.

syzkaller reported the following which implies that the patch seems to fix the
issue.


syzbot has tested the proposed patch and the reproducer did not trigger
crash:

Reported-and-tested-by:
syzbot+9c251bdd09f83b92ba95@syzkaller.appspotmail.com

Tested on:

commit: a00de5aa4da3 kmsan: delete some dead code
git tree: https://github.com/google/kmsan.git/master
kernel config: https://syzkaller.appspot.com/x/.config?x=b11f4cfb262ee607
compiler: clang version 7.0.0 (trunk 334104)
patch: https://syzkaller.appspot.com/x/patch.diff?x=13194968400000

Note: testing is done by a robot and is best-effort only.


Ciao
Stephan


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