linux-kernel - Re: WARNING in ieee80211_check_rate

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Date:   Tue, 06 Oct 2020 05:11:06 -0700
From:   syzbot <syzbot+be0e03ca215b06199629@...kaller.appspotmail.com>
To:     blogic@...nwrt.org, clang-built-linux@...glegroups.com,
        coreteam@...filter.org, davem@...emloft.net,
        johannes@...solutions.net, kaber@...sh.net,
        kadlec@...ckhole.kfki.hu, kuba@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-wireless@...r.kernel.org,
        matthias.bgg@...il.com, natechancellor@...il.com, nbd@...nwrt.org,
        ndesaulniers@...gle.com, nelson.chang@...iatek.com,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        pablo@...filter.org, syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in ieee80211_check_rate_mask

syzbot has bisected this issue to:

commit 983e1a6c95abf8058d26149a928578b720c77bce
Author: Nelson Chang <nelson.chang@...iatek.com>
Date:   Thu Oct 6 11:44:02 2016 +0000

    net: ethernet: mediatek: get hw lro capability by the chip id instead of by the dtsi

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1639e0d0500000
start commit:   c2568c8c Merge branch 'net-Constify-struct-genl_small_ops'
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1539e0d0500000
console output: https://syzkaller.appspot.com/x/log.txt?x=1139e0d0500000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1e6c5266df853ae
dashboard link: https://syzkaller.appspot.com/bug?extid=be0e03ca215b06199629
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1790e83b900000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=111a5bc7900000

Reported-by: syzbot+be0e03ca215b06199629@...kaller.appspotmail.com
Fixes: 983e1a6c95ab ("net: ethernet: mediatek: get hw lro capability by the chip id instead of by the dtsi")

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