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Date: Tue, 09 Sep 2008 13:52:40 -0700 (PDT) From: David Miller <davem@...emloft.net> To: nhorman@...driver.com Cc: johnpol@....mipt.ru, rdenis@...phalempin.com, akpm@...ux-foundation.org, netdev@...r.kernel.org, bugme-daemon@...zilla.kernel.org Subject: Re: [Bugme-new] [Bug 11469] New: TUN with 1024 neighbours: ip6_dst_lookup_tail NULL crash From: Neil Horman <nhorman@...driver.com> Date: Tue, 9 Sep 2008 11:39:55 -0400 > On Tue, Sep 09, 2008 at 06:31:05PM +0400, Evgeniy Polyakov wrote: > > This should be (*dst)->neighbour, isn't it? > > > Dang it, yes it should. Sorry. > > Signed-off-by: Neil Horman <nhorman@...driver.com> Applied with the following commit message. I'll queue this up for -stable as well. Thanks! ipv6: Fix OOPS in ip6_dst_lookup_tail(). This fixes kernel bugzilla 11469: "TUN with 1024 neighbours: ip6_dst_lookup_tail NULL crash" dst->neighbour is not necessarily hooked up at this point in the processing path, so blindly dereferencing it is the wrong thing to do. This NULL check exists in other similar paths and this case was just an oversight. Also fix the completely wrong and confusing indentation here while we're at it. Based upon a patch by Evgeniy Polyakov. Signed-off-by: Neil Horman <nhorman@...driver.com> Signed-off-by: David S. Miller <davem@...emloft.net> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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