linux-kernel - Re: [syzbot] upstream boot error: general protection fault in nl80211_put_iface

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Date:   Tue, 16 Aug 2022 08:33:45 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     syzbot <syzbot+684d4ca200fda0b2141e@...kaller.appspotmail.com>,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] upstream boot error: general protection fault in
 nl80211_put_iface_combinations

On Tue, Aug 16, 2022 at 05:11:32PM +0200, Johannes Berg wrote:
> Hmm.
> 
> > HEAD commit:    568035b01cfb Linux 6.0-rc1
> > git tree:       upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=145d8a47080000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=126b81cc3ce4f07e
> > 
> 
> I can't reproduce this, and I don't see anything obviously wrong with
> the code there in hwsim either.
> 
> Similarly with
> https://syzkaller.appspot.com/bug?extid=655209e079e67502f2da
> 
> Anyone have any ideas what to do next?
> 
Ignore it. It is caused by a problem in virtio. See revert series at
https://lore.kernel.org/lkml/20220816053602.173815-1-mst@redhat.com/

Guenter

> johannes