linux-kernel - Re: KMSAN: uninit-value in rtm_new

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Message-ID: <b6b5081d-0abe-2c39-27ee-c957996d4fc4@gmail.com>
Date:   Wed, 21 Aug 2019 23:31:57 -0400
From:   David Ahern <dsahern@...il.com>
To:     syzbot <syzbot+4f3abbb335d1bed2287c@...kaller.appspotmail.com>,
        davem@...emloft.net, dsahern@...nel.org, glider@...gle.com,
        kuznet@....inr.ac.ru, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        yoshfuji@...ux-ipv6.org
Subject: Re: KMSAN: uninit-value in rtm_new_nexthop

On 8/21/19 6:38 PM, syzbot wrote:
> ==================================================================
> BUG: KMSAN: uninit-value in rtm_to_nh_config net/ipv4/nexthop.c:1317
> [inline]
> BUG: KMSAN: uninit-value in rtm_new_nexthop+0x447/0x98e0
> net/ipv4/nexthop.c:1474

I believed this is fixed in net by commit:

Author: David Ahern <dsahern@...il.com>
Date:   Mon Aug 12 13:07:07 2019 -0700

    netlink: Fix nlmsg_parse as a wrapper for strict message parsing