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author | Mathias Krause <minipli@googlemail.com> | 2013-04-07 01:51:53 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2013-04-07 20:28:01 (GMT) |
commit | 5ae94c0d2f0bed41d6718be743985d61b7f5c47d (patch) | |
tree | 9c2fa1836abb56a44492a41b56121a7dd9e6e6b3 /net/l2tp | |
parent | 2d6fbfe733f35c6b355c216644e08e149c61b271 (diff) | |
download | linux-5ae94c0d2f0bed41d6718be743985d61b7f5c47d.tar.xz |
irda: Fix missing msg_namelen update in irda_recvmsg_dgram()
The current code does not fill the msg_name member in case it is set.
It also does not set the msg_namelen member to 0 and therefore makes
net/socket.c leak the local, uninitialized sockaddr_storage variable
to userland -- 128 bytes of kernel stack memory.
Fix that by simply setting msg_namelen to 0 as obviously nobody cared
about irda_recvmsg_dgram() not filling the msg_name in case it was
set.
Cc: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
0 files changed, 0 insertions, 0 deletions