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authorHannes Frederic Sowa <hannes@stressinduktion.org>2013-11-18 07:07:45 +0100
committerZiyan <jaraidaniel@gmail.com>2016-03-11 15:57:03 +0100
commit0ea36994dec559df6f63dcae75b9b360b53560b6 (patch)
treeed844e6571e4be5969758243edd1059e16a3eb46 /net/rose/rose_in.c
parent2ac38dd9eb30e8a466e6b615326f2a180753d80f (diff)
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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. [Backport of net-next cf970c002d270c36202bd5b9c2804d3097a52da0] Bug: 12780426 Change-Id: I29d9cb95ef05ec76d37517e01317f4a29e60931c Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
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