This is a note to let you know that I've just added the patch titled

crypto: tcrypt - fix S/G table for test_aead_speed()

to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: crypto-tcrypt-fix-s-g-table-for-test_aead_speed.patch and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From 5c6ac1d4f8fbdbed65dbeb8cf149d736409d16a1 Mon Sep 17 00:00:00 2001

From: Robert Baronescu robert.baronescu@nxp.com Date: Tue, 10 Oct 2017 13:21:59 +0300 Subject: crypto: tcrypt - fix S/G table for test_aead_speed()

From: Robert Baronescu robert.baronescu@nxp.com

commit 5c6ac1d4f8fbdbed65dbeb8cf149d736409d16a1 upstream.

In case buffer length is a multiple of PAGE_SIZE, the S/G table is incorrectly generated. Fix this by handling buflen = k * PAGE_SIZE separately.

Signed-off-by: Robert Baronescu robert.baronescu@nxp.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Horia Geantă horia.geanta@nxp.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- crypto/tcrypt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/crypto/tcrypt.c +++ b/crypto/tcrypt.c @@ -291,11 +291,13 @@ static void sg_init_aead(struct scatterl }

sg_init_table(sg, np + 1); - np--; + if (rem) + np--; for (k = 0; k < np; k++) sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE);

- sg_set_buf(&sg[k + 1], xbuf[k], rem); + if (rem) + sg_set_buf(&sg[k + 1], xbuf[k], rem); }

static void test_aead_speed(const char *algo, int enc, unsigned int secs,

Patches currently in stable-queue which might be from robert.baronescu@nxp.com are

queue-4.4/crypto-tcrypt-fix-s-g-table-for-test_aead_speed.patch