linux-kernel - Re: possible deadlock in dev_mc

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Date:   Sun, 28 Jun 2020 07:11:05 -0700
From:   syzbot <syzbot+08e3d39f3eb8643216be@...kaller.appspotmail.com>
To:     ap420073@...il.com, davem@...emloft.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, xiyou.wangcong@...il.com
Subject: Re: possible deadlock in dev_mc_unsync

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger crash:

Reported-and-tested-by: syzbot+08e3d39f3eb8643216be@...kaller.appspotmail.com

Tested on:

commit:         152c6a4d genetlink: get rid of family->attrbuf
git tree:       https://github.com/congwang/linux.git net
kernel config:  https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569
dashboard link: https://syzkaller.appspot.com/bug?extid=08e3d39f3eb8643216be
compiler:       gcc (GCC) 10.1.0-syz 20200507

Note: testing is done by a robot and is best-effort only.