Re: INFO: rcu detected stall in __do_softirq

From: syzbot
Date: Thu Aug 15 2019 - 20:10:06 EST


syzbot has bisected this bug to:

commit 2aeac95d1a4cc85aae57ab842d5c3340df0f817f
Author: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Date: Tue Jun 11 10:40:41 2019 +0000

soundwire: add module_sdw_driver helper macro

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=114b45ee600000
start commit: 882e8691 Add linux-next specific files for 20190801
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=134b45ee600000
console output: https://syzkaller.appspot.com/x/log.txt?x=154b45ee600000
kernel config: https://syzkaller.appspot.com/x/.config?x=466b331af3f34e94
dashboard link: https://syzkaller.appspot.com/bug?extid=6593c6b8c8b66a07cd98
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b216b2600000

Reported-by: syzbot+6593c6b8c8b66a07cd98@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 2aeac95d1a4c ("soundwire: add module_sdw_driver helper macro")

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