Hannes Frederic Sowa 68c6beb373 net: add BUG_ON if kernel advertises msg_namelen > sizeof(struct sockaddr_storage) ...

In that case it is probable that kernel code overwrote part of the
stack. So we should bail out loudly here.

The BUG_ON may be removed in future if we are sure all protocols are
conformant.

Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

2013-11-20 21:52:30 -05:00

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