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: <20200813012835.GA1851@salvia>
Date:   Thu, 13 Aug 2020 03:28:35 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Simon Horman <horms@...ge.net.au>
Cc:     Julian Anastasov <ja@....bg>, Peilin Ye <yepeilin.cs@...il.com>,
        Wensong Zhang <wensong@...ux-vs.org>,
        Cong Wang <xiyou.wangcong@...il.com>,
        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 02:59:59PM +0200, Simon Horman wrote:
> 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?

No worries, it will sit in netfilter's patchwork until net-next
reopens.