On 16/08/2019 01:10, syzbot wrote:
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
Not sure how adding a macro with no users triggers this rcu stall.
BTW this was in mainline since rc1.
--srini
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
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