netdev - Re: [PATCH net] ipv6: fix uninit-value in ip6_multipath_l3

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Date:   Tue, 01 May 2018 12:15:59 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, jkbs@...hat.com
Subject: Re: [PATCH net] ipv6: fix uninit-value in ip6_multipath_l3_keys()

From: Eric Dumazet <edumazet@...gle.com>
Date: Sun, 29 Apr 2018 09:54:59 -0700

> syzbot/KMSAN reported an uninit-value in ip6_multipath_l3_keys(),
> root caused to a bad assumption of ICMP header being already
> pulled in skb->head
> 
> ip_multipath_l3_keys() does the correct thing, so it is an IPv6 only bug.
 ...
> Fixes: 23aebdacb05d ("ipv6: Compute multipath hash for ICMP errors from offending packet")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Series applied and queued up for -stable, thanks.