Re: [tipc-discussion] [net-next v1 2/2] tipc: fix a null pointer deref

[David M. <da...@da...>]

From: Hoang Le <hoa...@de...>
Date: Thu, 21 Mar 2019 17:25:18 +0700

> In commit c55c8edafa91 ("tipc: smooth change between replicast and
> broadcast") we introduced new method to eliminate the risk of message
> reordering that happen in between different nodes.
> Unfortunately, we forgot checking at receiving side to ignore intra node.
> 
> We fix this by checking and returning if arrived message from intra node.
> 
> syzbot report:
 ...
> Reported-by: syz...@sy...
> Fixes: c55c8eda ("tipc: smooth change between replicast and broadcast")
> Acked-by: Jon Maloy <jon...@er...>
> Signed-off-by: Hoang Le <hoa...@de...>

Applied.