netdev - Re: memory leak in tcindex_set

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Message-ID: <a1673e4f-6382-d7df-6942-6e4ffd2b81ce@gmail.com>
Date:   Tue, 4 Feb 2020 10:03:16 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     syzbot <syzbot+f0bbb2287b8993d4fa74@...kaller.appspotmail.com>,
        davem@...emloft.net, jhs@...atatu.com, jiri@...nulli.us,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        xiyou.wangcong@...il.com
Subject: Re: memory leak in tcindex_set_parms



On 2/4/20 9:58 AM, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    322bf2d3 Merge branch 'for-5.6' of git://git.kernel.org/pu..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1111f8e6e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8d0490614a000a37
> dashboard link: https://syzkaller.appspot.com/bug?extid=f0bbb2287b8993d4fa74
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17db90f6e00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13a94511e00000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+f0bbb2287b8993d4fa74@...kaller.appspotmail.com
> 
>

Might have been fixed already ?

commit 599be01ee567b61f4471ee8078870847d0a11e8e    net_sched: fix an OOB access in cls_tcindex