netdev - Re: WARNING in cancel_delayed

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Message-ID: <000000000000a1816805abb8caa1@google.com>
Date:   Fri, 31 Jul 2020 01:44:05 -0700
From:   syzbot <syzbot+35e70efb794757d7e175@...kaller.appspotmail.com>
To:     davem@...emloft.net, johan.hedberg@...il.com,
        johannes.berg@...el.com, johannes@...solutions.net,
        kuba@...nel.org, linux-bluetooth@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        luciano.coelho@...el.com, marcel@...tmann.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in cancel_delayed_work

syzbot has bisected this issue to:

commit fbd05e4a6e82fd573d3aa79e284e424b8d78c149
Author: Luca Coelho <luciano.coelho@...el.com>
Date:   Thu Sep 15 15:15:09 2016 +0000

    cfg80211: add helper to find an IE that matches a byte-array

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1790af82900000
start commit:   83bdc727 random32: remove net_rand_state from the latent e..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1050af82900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55
dashboard link: https://syzkaller.appspot.com/bug?extid=35e70efb794757d7e175
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1160faa2900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11816098900000

Reported-by: syzbot+35e70efb794757d7e175@...kaller.appspotmail.com
Fixes: fbd05e4a6e82 ("cfg80211: add helper to find an IE that matches a byte-array")

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