linux-kernel - Re: KASAN: slab-out-of-bounds Read in tls_write

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Message-ID: <0000000000008f7f3705861514b4@google.com>
Date:   Tue, 09 Apr 2019 01:53:00 -0700
From:   syzbot <syzbot+12638b747fd208f6cff0@...kaller.appspotmail.com>
To:     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

Bisection is inconclusive: the first bad commit could be any of:

e3b5616a tcp: export do_tcp_sendpages and tcp_rate_check_app_limited  
functions
3c4d7559 tls: kernel TLS support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=168e797d200000
start commit:   bd4d08da Merge branch 'net-dsa-b53-SGMII-modes-fixes'
git tree:       net-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=e79b9299baeb2298
dashboard link: https://syzkaller.appspot.com/bug?extid=12638b747fd208f6cff0
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=167d9b9e400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c4003a400000

For information about bisection process see: https://goo.gl/tpsmEJ#bisection