linux-kernel - Re: WARNING in io_disable_sqo

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Date:   Mon, 18 Jan 2021 00:09:13 -0800
From:   syzbot <syzbot+2f5d1785dc624932da78@...kaller.appspotmail.com>
To:     asml.silence@...il.com, axboe@...nel.dk, davem@...emloft.net,
        hdanton@...a.com, io-uring@...r.kernel.org,
        johannes.berg@...el.com, johannes@...solutions.net,
        kuba@...nel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        viro@...iv.linux.org.uk
Subject: Re: WARNING in io_disable_sqo_submit

syzbot has bisected this issue to:

commit dcd479e10a0510522a5d88b29b8f79ea3467d501
Author: Johannes Berg <johannes.berg@...el.com>
Date:   Fri Oct 9 12:17:11 2020 +0000

    mac80211: always wind down STA state

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13b8b83b500000
start commit:   a1339d63 Merge tag 'powerpc-5.11-4' of git://git.kernel.or..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1078b83b500000
console output: https://syzkaller.appspot.com/x/log.txt?x=17b8b83b500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c60c9ff9cc916cbc
dashboard link: https://syzkaller.appspot.com/bug?extid=2f5d1785dc624932da78
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10f207c7500000

Reported-by: syzbot+2f5d1785dc624932da78@...kaller.appspotmail.com
Fixes: dcd479e10a05 ("mac80211: always wind down STA state")

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