Patch "crypto: talitos - fix IPsec cipher in length" has been added to the 4.16-stable tree
From: <gregkh@linuxfoundation.org>
Date: 2018-04-05 20:01:38
This is a note to let you know that I've just added the patch titled
crypto: talitos - fix IPsec cipher in length
to the 4.16-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-talitos-fix-ipsec-cipher-in-length.patch
and it can be found in the queue-4.16 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 2b1227301a8e4729409694e323b72c064c47cb6b Mon Sep 17 00:00:00 2001
From: LEROY Christophe <redacted>
Date: Thu, 22 Mar 2018 10:57:01 +0100
Subject: crypto: talitos - fix IPsec cipher in length
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From: LEROY Christophe <redacted>
commit 2b1227301a8e4729409694e323b72c064c47cb6b upstream.
For SEC 2.x+, cipher in length must contain only the ciphertext length.
In case of using hardware ICV checking, the ICV length is provided via
the "extent" field of the descriptor pointer.
Cc: <redacted> # 4.8+
Fixes: 549bd8bc5987 ("crypto: talitos - Implement AEAD for SEC1 using HMAC_SNOOP_NO_AFEU")
Reported-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Christophe Leroy <redacted>
Tested-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/crypto/talitos.c | 36 ++++++++++++++++++++----------------
1 file changed, 20 insertions(+), 16 deletions(-)
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c@@ -1128,10 +1128,10 @@ next: return count; } -static int talitos_sg_map(struct device *dev, struct scatterlist *src, - unsigned int len, struct talitos_edesc *edesc, - struct talitos_ptr *ptr, - int sg_count, unsigned int offset, int tbl_off) +static int talitos_sg_map_ext(struct device *dev, struct scatterlist *src, + unsigned int len, struct talitos_edesc *edesc, + struct talitos_ptr *ptr, int sg_count, + unsigned int offset, int tbl_off, int elen) { struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv);
@@ -1140,6 +1140,7 @@ static int talitos_sg_map(struct device to_talitos_ptr(ptr, 0, 0, is_sec1); return 1; } + to_talitos_ptr_ext_set(ptr, elen, is_sec1); if (sg_count == 1) { to_talitos_ptr(ptr, sg_dma_address(src) + offset, len, is_sec1); return sg_count;
@@ -1148,7 +1149,7 @@ static int talitos_sg_map(struct device to_talitos_ptr(ptr, edesc->dma_link_tbl + offset, len, is_sec1); return sg_count; } - sg_count = sg_to_link_tbl_offset(src, sg_count, offset, len, + sg_count = sg_to_link_tbl_offset(src, sg_count, offset, len + elen, &edesc->link_tbl[tbl_off]); if (sg_count == 1) { /* Only one segment now, so no link tbl needed*/
@@ -1162,6 +1163,15 @@ static int talitos_sg_map(struct device return sg_count; } +static int talitos_sg_map(struct device *dev, struct scatterlist *src, + unsigned int len, struct talitos_edesc *edesc, + struct talitos_ptr *ptr, int sg_count, + unsigned int offset, int tbl_off) +{ + return talitos_sg_map_ext(dev, src, len, edesc, ptr, sg_count, offset, + tbl_off, 0); +} + /* * fill in and submit ipsec_esp descriptor */
@@ -1179,7 +1189,7 @@ static int ipsec_esp(struct talitos_edes unsigned int ivsize = crypto_aead_ivsize(aead); int tbl_off = 0; int sg_count, ret; - int sg_link_tbl_len; + int elen = 0; bool sync_needed = false; struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv);
@@ -1221,17 +1231,11 @@ static int ipsec_esp(struct talitos_edes * extent is bytes of HMAC postpended to ciphertext, * typically 12 for ipsec */ - sg_link_tbl_len = cryptlen; - - if (is_ipsec_esp) { - to_talitos_ptr_ext_set(&desc->ptr[4], authsize, is_sec1); - - if (desc->hdr & DESC_HDR_MODE1_MDEU_CICV) - sg_link_tbl_len += authsize; - } + if (is_ipsec_esp && (desc->hdr & DESC_HDR_MODE1_MDEU_CICV)) + elen = authsize; - ret = talitos_sg_map(dev, areq->src, sg_link_tbl_len, edesc, - &desc->ptr[4], sg_count, areq->assoclen, tbl_off); + ret = talitos_sg_map_ext(dev, areq->src, cryptlen, edesc, &desc->ptr[4], + sg_count, areq->assoclen, tbl_off, elen); if (ret > 1) { tbl_off += ret;
Patches currently in stable-queue which might be from christophe.leroy@c-s.fr are queue-4.16/crypto-talitos-fix-ipsec-cipher-in-length.patch queue-4.16/crypto-talitos-don-t-persistently-map-req_ctx-hw_context-and-req_ctx-buf.patch