Re: INFO: task hung in tls_sw_free_resources_tx

[syzbot]

syzbot has bisected this bug to:

commit 3c4d7559159bfe1e3b94df3a657b2cda3a34e218
Author: Dave Watson <davejwatson@xxxxxx>
Date:   Wed Jun 14 18:37:39 2017 +0000

    tls: kernel TLS support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10c2d407200000
start commit:   6915bf3b net: phy: don't allow __set_phy_supported to add ..
git tree:       net-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=12c2d407200000
console output: https://syzkaller.appspot.com/x/log.txt?x=14c2d407200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=28ecefa8a6e10719
dashboard link: https://syzkaller.appspot.com/bug?extid=503339bf3c9053b8a7fc
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11e6996d400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=117e2125400000

Reported-by: syzbot+503339bf3c9053b8a7fc@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 3c4d7559159b ("tls: kernel TLS support")

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