Re: KASAN: slab-out-of-bounds Read in tls_write_space

[syzbot]

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