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authorSteffen Hurrle <steffen@hurrle.net>2014-01-17 22:53:15 +0100
committerDavid S. Miller <davem@davemloft.net>2014-01-18 23:04:16 -0800
commit342dfc306fb32155314dad277f3c3686b83fb9f1 (patch)
treea0d220f9310725c72bac70945261c9282e7cf305 /net/ipv4/ip_vti.c
parentnet: introduce SO_BPF_EXTENSIONS (diff)
downloadlinux-dev-342dfc306fb32155314dad277f3c3686b83fb9f1.tar.xz
linux-dev-342dfc306fb32155314dad277f3c3686b83fb9f1.zip
net: add build-time checks for msg->msg_name size
This is a follow-up patch to f3d3342602f8bc ("net: rework recvmsg handler msg_name and msg_namelen logic"). DECLARE_SOCKADDR validates that the structure we use for writing the name information to is not larger than the buffer which is reserved for msg->msg_name (which is 128 bytes). Also use DECLARE_SOCKADDR consistently in sendmsg code paths. Signed-off-by: Steffen Hurrle <steffen@hurrle.net> Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_vti.c')
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