linux-kernel - Re: KMSAN: uninit-value in _copy_to

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Message-ID: <000000000000af831a056e10a56d@google.com>
Date:   Thu, 07 Jun 2018 10:31:01 -0700
From:   syzbot <syzbot+87cfa083e727a224754b@...kaller.appspotmail.com>
To:     avagin@...nvz.org, davem@...emloft.net, dingtianhong@...wei.com,
        edumazet@...gle.com, elena.reshetova@...el.com,
        jasowang@...hat.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, matthew@...systems.ca,
        mingo@...nel.org, mst@...hat.com, netdev@...r.kernel.org,
        pabeni@...hat.com, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk, virtualization@...ts.linux-foundation.org,
        willemb@...gle.com
Subject: Re: KMSAN: uninit-value in _copy_to_iter (2)

Hello,

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

Reported-and-tested-by:  
syzbot+87cfa083e727a224754b@...kaller.appspotmail.com

Tested on:

commit:         c6a6aed994b6 kmsan: remove dead code to trigger syzbot build
git tree:       https://github.com/google/kmsan.git/master
kernel config:  https://syzkaller.appspot.com/x/.config?x=848e40757852af3e
compiler:       clang version 7.0.0 (trunk 334104)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1119eddf800000

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