crypto: algif - suppress sending source address information in recvmsg
authorMathias Krause <minipli@googlemail.com>
Sun, 7 Apr 2013 12:05:39 +0000 (14:05 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 26 Apr 2013 04:19:55 +0000 (21:19 -0700)
commita3c21277df060c3c83b2aba4120d0370cf204d36
tree718623a53484bf035f4e90989210480a6374c47e
parentd6b8c333ca71eba35911fc4460ca37568ccfa9c0
crypto: algif - suppress sending source address information in recvmsg

commit 72a763d805a48ac8c0bf48fdb510e84c12de51fe upstream.

The current code does not set the msg_namelen member to 0 and therefore
makes net/socket.c leak the local sockaddr_storage variable to userland
-- 128 bytes of kernel stack memory. Fix that.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
crypto/algif_hash.c
crypto/algif_skcipher.c