Re: BUG: unable to handle kernel NULL pointer dereference inipv6_select_ident

[David Miller]

From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Thu, 22 Dec 2011 15:15:53 +0100

> [PATCH] net: introduce DST_NOPEER dst flag
> 
> Chris Boot reported crashes occurring in ipv6_select_ident().
 ...
> This is caused by bridge netfilter special dst_entry (fake_rtable), a
> special shared entry, where attaching an inetpeer makes no sense.
> 
> Problem is present since commit 87c48fa3b46 (ipv6: make fragment
> identifications less predictable)
> 
> Introduce DST_NOPEER dst flag and make sure ipv6_select_ident() and
> __ip_select_ident() fallback to the 'no peer attached' handling.
> 
> Reported-by: Chris Boot <bootc@xxxxxxxxx>
> Tested-by: Chris Boot <bootc@xxxxxxxxx>
> Signed-off-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>

Applied.
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