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| author | Mathias Krause <minipli@googlemail.com> | 2013-04-07 01:51:53 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-01 08:56:39 -0700 |
| commit | 65f4ea22548ffdd868d9d98cf91f50bc9978fb69 (patch) | |
| tree | 5bd59194a56265ce8e4c33ba0c86dcdbf67de5fc /net/iucv | |
| parent | 3aa981cd3ed0ebaecde34fda510602f43180b37e (diff) | |
| download | kernel_samsung_tuna-65f4ea22548ffdd868d9d98cf91f50bc9978fb69.zip kernel_samsung_tuna-65f4ea22548ffdd868d9d98cf91f50bc9978fb69.tar.gz kernel_samsung_tuna-65f4ea22548ffdd868d9d98cf91f50bc9978fb69.tar.bz2 | |
irda: Fix missing msg_namelen update in irda_recvmsg_dgram()
[ Upstream commit 5ae94c0d2f0bed41d6718be743985d61b7f5c47d ]
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.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/iucv')
0 files changed, 0 insertions, 0 deletions