Re: [syzbot] [kernel?] INFO: rcu detected stall in schedule (6)

From: syzbot
Date: Sun Oct 22 2023 - 07:52:49 EST


syzbot has bisected this issue to:

commit c2368b19807affd7621f7c4638cd2e17fec13021
Author: Jiri Pirko <jiri@xxxxxxxxxx>
Date: Fri Jul 29 07:10:35 2022 +0000

net: devlink: introduce "unregistering" mark and use it during devlinks iteration

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ed7a99680000
start commit: a785fd28d31f Merge tag 'for-6.5-rc5-tag' of git://git.kern..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11ed7a99680000
console output: https://syzkaller.appspot.com/x/log.txt?x=16ed7a99680000
kernel config: https://syzkaller.appspot.com/x/.config?x=3e670757e16affb
dashboard link: https://syzkaller.appspot.com/bug?extid=77195ae75047f1438785
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ec36ada80000

Reported-by: syzbot+77195ae75047f1438785@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: c2368b19807a ("net: devlink: introduce "unregistering" mark and use it during devlinks iteration")

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