linux-kernel - Re: memory leak in fdb

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Message-ID: <76434004-ca0b-0917-78bd-a0332af2a716@cumulusnetworks.com>
Date:   Mon, 2 Dec 2019 22:20:38 +0200
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     syzbot <syzbot+2add91c08eb181fea1bf@...kaller.appspotmail.com>,
        bridge@...ts.linux-foundation.org, davem@...emloft.net,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        roopa@...ulusnetworks.com, syzkaller-bugs@...glegroups.com
Subject: Re: memory leak in fdb_create (2)

On 02/12/2019 19:05, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    ceb30747 Merge tag 'y2038-cleanups-5.5' of git://git.kerne..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=142b3e7ee00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=26f873e40f2b4134
> dashboard link: https://syzkaller.appspot.com/bug?extid=2add91c08eb181fea1bf
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12976feee00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10604feee00000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+2add91c08eb181fea1bf@...kaller.appspotmail.com
> 
> BUG: memory leak
> unreferenced object 0xffff888124fa7080 (size 128):
>   comm "syz-executor163", pid 7170, jiffies 4294954254 (age 12.500s)

I'll look into this tomorrow, I think see the issue.

Thanks!