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(parent: 50d93d0) | patch
ping: prevent NULL pointer dereference on write to msg_name
authorHannes Frederic Sowa <hannes@stressinduktion.org>
Mon, 18 Nov 2013 06:07:45 +0000 (07:07 +0100)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 Nov 2013 21:02:03 +0000 (16:02 -0500)
commit321ddab5e912df3cc8fc37c49a091d4accc735a2
tree5a8f07507f36caef9274c29504f428fef07f9760tree | snapshot
parent50d93d09962792887d3ea506144d3fa47bee2ee1commit | diff
ping: prevent NULL pointer dereference on write to msg_name

A plain read() on a socket does set msg->msg_name to NULL. So check for
NULL pointer first.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ping.c diff | blob | history
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