From: Stephan Mueller Subject: Re: KMSAN: uninit-value in af_alg_free_areq_sgls Date: Fri, 06 Jul 2018 18:27:07 +0200 Message-ID: <2936767.s7CfvshsC6@tauon.chronox.de> References: <1616306.R4SzcgHSdy@positron.chronox.de> <000000000000363e2e0570502d42@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: syzbot , David Miller , Herbert Xu , "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" , LKML , syzkaller-bugs To: Dmitry Vyukov Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Am Freitag, 6. Juli 2018, 10:19:07 CEST schrieb Dmitry Vyukov: Hi Dmitry, > On Fri, Jul 6, 2018 at 10:09 AM, syzbot > > 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