Re: INFO: rcu detected stall in wg_packet_tx_worker

[syzbot]

syzbot has bisected this bug to:

commit e7096c131e5161fa3b8e52a650d7719d2857adfd
Author: Jason A. Donenfeld <Jason@xxxxxxxxx>
Date:   Sun Dec 8 23:27:34 2019 +0000

    net: WireGuard secure network tunnel

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15258fcfe00000
start commit:   b2768df2 Merge branch 'for-linus' of git://git.kernel.org/..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=17258fcfe00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13258fcfe00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b7a70e992f2f9b68
dashboard link: https://syzkaller.appspot.com/bug?extid=0251e883fe39e7a0cb0a
userspace arch: i386
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15f5f47fe00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11e8efb4100000

Reported-by: syzbot+0251e883fe39e7a0cb0a@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")

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