linux-kernel - Re: [Linux-kernel-mentees] [PATCH net-next v2] ipvs: Fix uninit-value in do_ip_vs_set

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Message-ID: <20200811125956.GA31293@vergenet.net>
Date:   Tue, 11 Aug 2020 14:59:59 +0200
From:   Simon Horman <horms@...ge.net.au>
To:     Julian Anastasov <ja@....bg>
Cc:     Peilin Ye <yepeilin.cs@...il.com>,
        Wensong Zhang <wensong@...ux-vs.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        netdev@...r.kernel.org, lvs-devel@...r.kernel.org,
        netfilter-devel@...r.kernel.org, coreteam@...filter.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        syzkaller-bugs@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [Linux-kernel-mentees] [PATCH net-next v2] ipvs: Fix
 uninit-value in do_ip_vs_set_ctl()

On Tue, Aug 11, 2020 at 01:29:04PM +0300, Julian Anastasov wrote:
> 
> 	Hello,
> 
> On Tue, 11 Aug 2020, Peilin Ye wrote:
> 
> > do_ip_vs_set_ctl() is referencing uninitialized stack value when `len` is
> > zero. Fix it.
> > 
> > Reported-by: syzbot+23b5f9e7caf61d9a3898@...kaller.appspotmail.com
> > Link: https://syzkaller.appspot.com/bug?id=46ebfb92a8a812621a001ef04d90dfa459520fe2
> > Suggested-by: Julian Anastasov <ja@....bg>
> > Signed-off-by: Peilin Ye <yepeilin.cs@...il.com>
> 
> 	Looks good to me, thanks!
> 
> Acked-by: Julian Anastasov <ja@....bg>

Pablo, could you consider this for nf-next or should we repost when
net-next re-opens?

Reviewed-by: Simon Horman <horms@...ge.net.au>