crypto: af_alg - Forbid bind(2) when nokey child sockets are present
authorHerbert Xu <herbert@gondor.apana.org.au>
Wed, 13 Jan 2016 07:03:32 +0000 (15:03 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 17 Feb 2016 20:31:04 +0000 (12:31 -0800)
commit1bdbb041755b19975a9b87e22a02bd584a45e99c
tree8ea972bc49c2365eb5443ebb25a5852792fff5ff
parent40bfd37ab95c89b20d1fa63aeea25ba5799bc125
crypto: af_alg - Forbid bind(2) when nokey child sockets are present

commit a6a48c565f6f112c6983e2a02b1602189ed6e26e upstream.

This patch forbids the calling of bind(2) when there are child
sockets created by accept(2) in existence, even if they are created
on the nokey path.

This is needed as those child sockets have references to the tfm
object which bind(2) will destroy.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
crypto/af_alg.c