netdev - Re: KASAN: slab-out-of-bounds Read in tls_write

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Message-ID: <20190819142228.7f37bfcf@cakuba.netronome.com>
Date:   Mon, 19 Aug 2019 14:22:28 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     syzbot <syzbot+12638b747fd208f6cff0@...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: slab-out-of-bounds Read in tls_write_space

On Tue, 25 Sep 2018 16:54:03 -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    bd4d08daeb95 Merge branch 'net-dsa-b53-SGMII-modes-fixes'
> git tree:       net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=110b6a1a400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e79b9299baeb2298
> dashboard link: https://syzkaller.appspot.com/bug?extid=12638b747fd208f6cff0
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=167d9b9e400000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c4003a400000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+12638b747fd208f6cff0@...kaller.appspotmail.com

#syz dup: general protection fault in tls_write_space