netdev - Re: [net/tls] kernel BUG at include/linux/scatterlist.h:LINE!

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Date:   Tue, 19 Nov 2019 12:30:39 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Boris Pismenny <borisp@...lanox.com>,
        Aviad Yehezkel <aviadye@...lanox.com>,
        John Fastabend <john.fastabend@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        syzbot <syzbot+df0d4ec12332661dd1f9@...kaller.appspotmail.com>,
        syzkaller-bugs@...glegroups.com, netdev@...r.kernel.org
Subject: Re: [net/tls] kernel BUG at include/linux/scatterlist.h:LINE!

On Mon, 18 Nov 2019 20:57:07 -0800, Eric Biggers wrote:
> On Wed, May 22, 2019 at 08:58:05AM -0700, syzbot wrote:
> > Hello,
> > 
> > syzbot found the following crash on:
> > 
> > HEAD commit:    af8f3fb7 net: stmmac: dma channel control register need to..
> > git tree:       net
> > console output: https://syzkaller.appspot.com/x/log.txt?x=17c2d418a00000
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=fc045131472947d7
> > dashboard link: https://syzkaller.appspot.com/bug?extid=df0d4ec12332661dd1f9
> > compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15b53ce4a00000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14b0aa52a00000
> 
> This looks like a TLS bug that is still valid.  Can you please look into it?
> Here's the same crash from net-next today (commit 19b7e21c55c8):
> https://syzkaller.appspot.com/text?tag=CrashReport&x=16380c6ae00000

Thanks for brining it up, I should be able to get to it in the next
two days.