Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1212922

[PATCH] crypto: aead - fix for multiple operations on AF_ALG sockets

Show all headers | View raw

The tsgl scatterlist must be re-initialized after each
operation. Otherwise the sticky bits in the page_link will corrupt the
list with pre-mature termination or false chaining.

Signed-off-by: Lars Persson <larper@axis.com>
---
 crypto/algif_aead.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/crypto/algif_aead.c b/crypto/algif_aead.c
index 38a6cab..0aa6fdf 100644
--- a/crypto/algif_aead.c
+++ b/crypto/algif_aead.c
@@ -90,6 +90,7 @@ static void aead_put_sgl(struct sock *sk)
 		put_page(sg_page(sg + i));
 		sg_assign_page(sg + i, NULL);
 	}
+	sg_init_table(sg, ALG_MAX_PAGES);
 	sgl->cur = 0;
 	ctx->used = 0;
 	ctx->more = 0;
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH] crypto: aead - fix for multiple operations on AF_ALG sockets Lars Persson <lars.persson@axis.com> - 2015-08-25 12:00 +0200
  Re: [PATCH] crypto: aead - fix for multiple operations on AF_ALG  sockets Herbert Xu <herbert@gondor.apana.org.au> - 2015-08-25 15:20 +0200

csiph-web