Patch "crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path" has been added to the 4.3-stable tree
From: <gregkh@linuxfoundation.org>
Date: 2016-02-14 21:59:27
This is a note to let you know that I've just added the patch titled
crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path
to the 4.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-af_alg-allow-af_af_alg_release_parent-to-be-called-on-nokey-path.patch
and it can be found in the queue-4.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let [off-list ref] know about it.
From 6a935170a980024dd29199e9dbb5c4da4767a1b9 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au> Date: Wed, 13 Jan 2016 14:59:03 +0800 Subject: crypto: af_alg - Allow af_af_alg_release_parent to be called on nokey path From: Herbert Xu <herbert@gondor.apana.org.au> commit 6a935170a980024dd29199e9dbb5c4da4767a1b9 upstream. This patch allows af_alg_release_parent to be called even for nokey sockets. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- crypto/af_alg.c | 9 ++++++++- include/crypto/if_alg.h | 1 + 2 files changed, 9 insertions(+), 1 deletion(-)
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c@@ -133,6 +133,12 @@ void af_alg_release_parent(struct sock * bool last; sk = ask->parent; + + if (ask->nokey_refcnt && !ask->refcnt) { + sock_put(sk); + return; + } + ask = alg_sk(sk); lock_sock(sk);
@@ -268,8 +274,8 @@ int af_alg_accept(struct sock *sk, struc struct alg_sock *ask = alg_sk(sk); const struct af_alg_type *type; struct sock *sk2; + unsigned int nokey; int err; - bool nokey; lock_sock(sk); type = ask->type;
@@ -302,6 +308,7 @@ int af_alg_accept(struct sock *sk, struc sock_hold(sk); alg_sk(sk2)->parent = sk; alg_sk(sk2)->type = type; + alg_sk(sk2)->nokey_refcnt = nokey; newsock->ops = type->ops; newsock->state = SS_CONNECTED; --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h
@@ -31,6 +31,7 @@ struct alg_sock { struct sock *parent; unsigned int refcnt; + unsigned int nokey_refcnt; const struct af_alg_type *type; void *private;
Patches currently in stable-queue which might be from herbert@gondor.apana.org.au are queue-4.3/crypto-fix-test-vector-for-rsa.patch queue-4.3/crypto-algif_skcipher-use-new-skcipher-interface.patch queue-4.3/crypto-af_alg-disallow-bind-setkey-...-after-accept-2.patch queue-4.3/crypto-crc32c-fix-crc32c-soft-dependency.patch queue-4.3/crypto-af_alg-forbid-bind-2-when-nokey-child-sockets-are-present.patch queue-4.3/crypto-crc32c-pclmul-use-.rodata-instead-of-.rotata.patch queue-4.3/crypto-caam-fix-non-block-aligned-hash-calculation.patch queue-4.3/crypto-nx-fix-timing-leak-in-gcm-and-ccm-decryption.patch queue-4.3/crypto-skcipher-copy-iv-from-desc-even-for-0-len-walks.patch queue-4.3/crypto-algif_hash-fix-race-condition-in-hash_check_key.patch queue-4.3/crypto-skcipher-add-crypto_skcipher_has_setkey.patch queue-4.3/crypto-chacha20-ssse3-align-stack-pointer-to-64-bytes.patch queue-4.3/crypto-algif_skcipher-add-key-check-exception-for-cipher_null.patch queue-4.3/crypto-algif_hash-remove-custom-release-parent-function.patch queue-4.3/crypto-algif_skcipher-load-tx-sg-list-after-waiting.patch queue-4.3/crypto-algif_skcipher-require-setkey-before-accept-2.patch queue-4.3/crypto-algif_skcipher-add-nokey-compatibility-path.patch queue-4.3/crypto-shash-fix-has_key-setting.patch queue-4.3/crypto-algif_skcipher-remove-custom-release-parent-function.patch queue-4.3/crypto-af_alg-allow-af_af_alg_release_parent-to-be-called-on-nokey-path.patch queue-4.3/crypto-hash-add-crypto_ahash_has_setkey.patch queue-4.3/crypto-af_alg-add-nokey-compatibility-path.patch queue-4.3/crypto-sun4i-ss-add-missing-statesize.patch queue-4.3/crypto-algif_hash-require-setkey-before-accept-2.patch queue-4.3/crypto-algif_skcipher-sendmsg-sg-marking-is-off-by-one.patch queue-4.3/crypto-qat-don-t-use-userspace-pointer.patch queue-4.3/crypto-talitos-fix-timing-leak-in-esp-icv-verification.patch queue-4.3/crypto-algif_hash-only-export-and-import-on-sockets-with-data.patch queue-4.3/crypto-algif_skcipher-fix-race-condition-in-skcipher_check_key.patch queue-4.3/crypto-caam-make-write-transactions-bufferable-on-ppc-platforms.patch queue-4.3/crypto-af_alg-fix-socket-double-free-when-accept-fails.patch