tipc: fix use-after-free in tipc_disc_rcv()
In the function 'tipc_disc_rcv()', the 'msg_peer_net_hash()' is called to read the header data field but after the message skb has been freed, that might result in a garbage value... This commit fixes it by defining a new local variable to store the data first, just like the other header fields' handling. Fixes: f73b1281 ("tipc: improve throughput between nodes in netns") Acked-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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