netdev - Re: [syzbot] KMSAN: uninit-value in asix_check_host

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Message-ID: <CACT4Y+a8M7NyCiKZp2tnDHfOZ5bM4XhYjL+=Upr+Xx0MH=7=Cw@mail.gmail.com>
Date:   Mon, 7 Mar 2022 10:05:41 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     syzbot <syzbot+8f5f07bb9d6935e2f8d9@...kaller.appspotmail.com>,
        andrew@...n.ch, davem@...emloft.net, glider@...gle.com,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux@...pel-privat.de,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KMSAN: uninit-value in asix_check_host_enable

On Wed, 23 Feb 2022 at 12:01, Pavel Skripkin <paskripkin@...il.com> wrote:
>
> On 2/23/22 12:30, syzbot wrote:
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit:    724946410067 x86: kmsan: enable KMSAN builds for x86
> > git tree:       https://github.com/google/kmsan.git master
> > console output: https://syzkaller.appspot.com/x/log.txt?x=11c85246700000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=76f99026248b24e4
> > dashboard link: https://syzkaller.appspot.com/bug?extid=8f5f07bb9d6935e2f8d9
> > compiler:       clang version 14.0.0 (/usr/local/google/src/llvm-git-monorepo 2b554920f11c8b763cd9ed9003f4e19b919b8e1f), GNU ld (GNU Binutils for Debian) 2.35.2
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11674fe2700000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1497324c700000
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: syzbot+8f5f07bb9d6935e2f8d9@...kaller.appspotmail.com
> >
>
> Should be fixed by [1], but it's only in next for now.
>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=920a9fa27e7805499cfe78491b36fed2322c02ec

Let's tell syzbot so that it reports new bugs in future:
#syz fix: net: asix: add proper error handling of usb read errors