crypto: algif_skcipher - Fix race condition in skcipher_check_key
authorHerbert Xu <herbert@gondor.apana.org.au>
Fri, 15 Jan 2016 14:02:20 +0000 (22:02 +0800)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 13 Feb 2016 10:34:13 +0000 (10:34 +0000)
commit 1822793a523e5d5730b19cc21160ff1717421bc8 upstream.

We need to lock the child socket in skcipher_check_key as otherwise
two simultaneous calls can cause the parent socket to be freed.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
crypto/algif_skcipher.c

Simple merge