linux-kernel - Re: KASAN: use-after-free Read in tls_write

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Message-ID: <20190819142220.264040d8@cakuba.netronome.com>
Date:   Mon, 19 Aug 2019 14:22:20 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     syzbot <syzbot+2134b6b74dec9f8c760f@...kaller.appspotmail.com>
Cc:     aviadye@...lanox.com, borisp@...lanox.com, davejwatson@...com,
        davem@...emloft.net, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in tls_write_space

On Fri, 06 Jul 2018 00:36:02 -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    1a84d7fdb5fc Merge branch 'mlxsw-Add-resource-scale-tests'
> git tree:       net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=17dec75c400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a63be0c83e84d370
> dashboard link: https://syzkaller.appspot.com/bug?extid=2134b6b74dec9f8c760f
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+2134b6b74dec9f8c760f@...kaller.appspotmail.com

#syz dup: general protection fault in tls_write_space