From patchwork Sun Apr 5 11:50:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iuliana Prodan X-Patchwork-Id: 11474667 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C412481 for ; Sun, 5 Apr 2020 11:50:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AC672206F8 for ; Sun, 5 Apr 2020 11:50:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726696AbgDELul (ORCPT ); Sun, 5 Apr 2020 07:50:41 -0400 Received: from inva021.nxp.com ([92.121.34.21]:38552 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726575AbgDELul (ORCPT ); Sun, 5 Apr 2020 07:50:41 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 20CA92008F5; Sun, 5 Apr 2020 13:50:39 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 142012008F4; Sun, 5 Apr 2020 13:50:39 +0200 (CEST) Received: from lorenz.ea.freescale.net (lorenz.ea.freescale.net [10.171.71.5]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id A249120466; Sun, 5 Apr 2020 13:50:38 +0200 (CEST) From: Iuliana Prodan To: Herbert Xu , Horia Geanta , Aymen Sghaier Cc: "David S. Miller" , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx , Iuliana Prodan Subject: [PATCH 1/4] crypto: caam - fix use-after-free KASAN issue for SKCIPHER algorithms Date: Sun, 5 Apr 2020 14:50:08 +0300 Message-Id: <1586087411-8505-2-git-send-email-iuliana.prodan@nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> References: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Here's the KASAN report: BUG: KASAN: use-after-free in skcipher_crypt_done+0xe8/0x1a8 Read of size 1 at addr ffff00002304001c by task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-00162-gfcb90d5 #9 Hardware name: LS1046A RDB Board (DT) Call trace: dump_backtrace+0x0/0x260 show_stack+0x14/0x20 dump_stack+0xe8/0x144 print_address_description.isra.11+0x64/0x348 __kasan_report+0x11c/0x230 kasan_report+0xc/0x18 __asan_load1+0x5c/0x68 skcipher_crypt_done+0xe8/0x1a8 caam_jr_dequeue+0x390/0x608 tasklet_action_common.isra.13+0x1ec/0x230 ... Fixes: ee38767f152a ("crypto: caam - support crypto_engine framework for SKCIPHER algorithms") Signed-off-by: Iuliana Prodan --- drivers/crypto/caam/caamalg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index b7bb7c3..5538539 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1022,8 +1022,6 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err, DUMP_PREFIX_ADDRESS, 16, 4, req->dst, edesc->dst_nents > 1 ? 100 : req->cryptlen, 1); - kfree(edesc); - /* * If no backlog flag, the completion of the request is done * by CAAM, not crypto engine. @@ -1032,6 +1030,8 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err, skcipher_request_complete(req, ecode); else crypto_finalize_skcipher_request(jrp->engine, req, ecode); + + kfree(edesc); } /* From patchwork Sun Apr 5 11:50:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iuliana Prodan X-Patchwork-Id: 11474669 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EDAE81805 for ; Sun, 5 Apr 2020 11:50:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD1B1206F8 for ; Sun, 5 Apr 2020 11:50:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726575AbgDELuo (ORCPT ); Sun, 5 Apr 2020 07:50:44 -0400 Received: from inva021.nxp.com ([92.121.34.21]:38574 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726550AbgDELuo (ORCPT ); Sun, 5 Apr 2020 07:50:44 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D906E2008F4; Sun, 5 Apr 2020 13:50:42 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id CD0242008F3; Sun, 5 Apr 2020 13:50:42 +0200 (CEST) Received: from lorenz.ea.freescale.net (lorenz.ea.freescale.net [10.171.71.5]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 5FB5B20466; Sun, 5 Apr 2020 13:50:42 +0200 (CEST) From: Iuliana Prodan To: Herbert Xu , Horia Geanta , Aymen Sghaier Cc: "David S. Miller" , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx , Iuliana Prodan Subject: [PATCH 2/4] crypto: caam - fix use-after-free KASAN issue for AEAD algorithms Date: Sun, 5 Apr 2020 14:50:09 +0300 Message-Id: <1586087411-8505-3-git-send-email-iuliana.prodan@nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> References: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Here's the KASAN report: BUG: KASAN: use-after-free in aead_crypt_done+0x60/0xd8 Read of size 1 at addr ffff00002303f014 by task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-00163-gd88dd5c-dirty #18 Hardware name: LS1046A RDB Board (DT) Call trace: dump_backtrace+0x0/0x260 show_stack+0x14/0x20 dump_stack+0xe8/0x144 print_address_description.isra.11+0x64/0x348 __kasan_report+0x11c/0x230 kasan_report+0xc/0x18 __asan_load1+0x5c/0x68 aead_crypt_done+0x60/0xd8 caam_jr_dequeue+0x390/0x608 ... Fixes: 1c2402266713 ("crypto: caam - add crypto_engine support for AEAD algorithms") Signed-off-by: Iuliana Prodan --- drivers/crypto/caam/caamalg.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 5538539..6d746ef 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -973,8 +973,6 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err, aead_unmap(jrdev, edesc, req); - kfree(edesc); - /* * If no backlog flag, the completion of the request is done * by CAAM, not crypto engine. @@ -983,6 +981,8 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err, aead_request_complete(req, ecode); else crypto_finalize_aead_request(jrp->engine, req, ecode); + + kfree(edesc); } static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err, From patchwork Sun Apr 5 11:50:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iuliana Prodan X-Patchwork-Id: 11474671 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1AFAE1871 for ; Sun, 5 Apr 2020 11:50:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 03521206F8 for ; Sun, 5 Apr 2020 11:50:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726574AbgDELur (ORCPT ); Sun, 5 Apr 2020 07:50:47 -0400 Received: from inva021.nxp.com ([92.121.34.21]:38628 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726550AbgDELur (ORCPT ); Sun, 5 Apr 2020 07:50:47 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9D49A200900; Sun, 5 Apr 2020 13:50:45 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 90E292008E7; Sun, 5 Apr 2020 13:50:45 +0200 (CEST) Received: from lorenz.ea.freescale.net (lorenz.ea.freescale.net [10.171.71.5]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 3159920466; Sun, 5 Apr 2020 13:50:45 +0200 (CEST) From: Iuliana Prodan To: Herbert Xu , Horia Geanta , Aymen Sghaier Cc: "David S. Miller" , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx , Iuliana Prodan Subject: [PATCH 3/4] crypto: caam - fix use-after-free KASAN issue for HASH algorithms Date: Sun, 5 Apr 2020 14:50:10 +0300 Message-Id: <1586087411-8505-4-git-send-email-iuliana.prodan@nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> References: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Here's the KASAN report: BUG: KASAN: use-after-free in ahash_done+0xdc/0x3b8 Read of size 1 at addr ffff000022e75510 by task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-00164-gcb59d59-dirty #20 Hardware name: LS1046A RDB Board (DT) Call trace: dump_backtrace+0x0/0x260 show_stack+0x14/0x20 dump_stack+0xe8/0x144 print_address_description.isra.11+0x64/0x348 __kasan_report+0x11c/0x230 kasan_report+0xc/0x18 __asan_load1+0x5c/0x68 ahash_done+0xdc/0x3b8 caam_jr_dequeue+0x390/0x608 tasklet_action_common.isra.13+0x1ec/0x230 Fixes: 21b014f038d3 ("crypto: caam - add crypto_engine support for HASH algorithms") Signed-off-by: Iuliana Prodan --- drivers/crypto/caam/caamhash.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 943bc02..3c63fe0 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -593,7 +593,6 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err, ahash_unmap_ctx(jrdev, edesc, req, digestsize, dir); memcpy(req->result, state->caam_ctx, digestsize); - kfree(edesc); print_hex_dump_debug("ctx@"__stringify(__LINE__)": ", DUMP_PREFIX_ADDRESS, 16, 4, state->caam_ctx, @@ -607,6 +606,8 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err, req->base.complete(&req->base, ecode); else crypto_finalize_hash_request(jrp->engine, req, ecode); + + kfree(edesc); } static void ahash_done(struct device *jrdev, u32 *desc, u32 err, @@ -640,7 +641,6 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err, ecode = caam_jr_strstatus(jrdev, err); ahash_unmap_ctx(jrdev, edesc, req, ctx->ctx_len, dir); - kfree(edesc); scatterwalk_map_and_copy(state->buf, req->src, req->nbytes - state->next_buflen, @@ -668,6 +668,7 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err, else crypto_finalize_hash_request(jrp->engine, req, ecode); + kfree(edesc); } static void ahash_done_bi(struct device *jrdev, u32 *desc, u32 err, From patchwork Sun Apr 5 11:50:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iuliana Prodan X-Patchwork-Id: 11474673 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BE34581 for ; Sun, 5 Apr 2020 11:50:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A68B3206F8 for ; Sun, 5 Apr 2020 11:50:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726550AbgDELuv (ORCPT ); Sun, 5 Apr 2020 07:50:51 -0400 Received: from inva020.nxp.com ([92.121.34.13]:57866 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726754AbgDELut (ORCPT ); Sun, 5 Apr 2020 07:50:49 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id CCBC61A08FF; Sun, 5 Apr 2020 13:50:47 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id C06B71A08FE; Sun, 5 Apr 2020 13:50:47 +0200 (CEST) Received: from lorenz.ea.freescale.net (lorenz.ea.freescale.net [10.171.71.5]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 5AD8820466; Sun, 5 Apr 2020 13:50:47 +0200 (CEST) From: Iuliana Prodan To: Herbert Xu , Horia Geanta , Aymen Sghaier Cc: "David S. Miller" , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx , Iuliana Prodan Subject: [PATCH 4/4] crypto: caam - fix use-after-free KASAN issue for RSA algorithms Date: Sun, 5 Apr 2020 14:50:11 +0300 Message-Id: <1586087411-8505-5-git-send-email-iuliana.prodan@nxp.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> References: <1586087411-8505-1-git-send-email-iuliana.prodan@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Here's the KASAN report: BUG: KASAN: use-after-free in rsa_pub_done+0x70/0xe8 Read of size 1 at addr ffff00002267b614 by task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-00165-ga85dda9-dirty #21 Hardware name: LS1046A RDB Board (DT) Call trace: dump_backtrace+0x0/0x260 show_stack+0x14/0x20 dump_stack+0xe8/0x144 print_address_description.isra.11+0x64/0x348 __kasan_report+0x11c/0x230 kasan_report+0xc/0x18 __asan_load1+0x5c/0x68 rsa_pub_done+0x70/0xe8 caam_jr_dequeue+0x390/0x608 tasklet_action_common.isra.13+0x1ec/0x230 ... Fixes: bf53795025a2 ("crypto: caam - add crypto_engine support for RSA algorithms") Signed-off-by: Iuliana Prodan --- drivers/crypto/caam/caampkc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 4fcae37..59cc7116 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -129,7 +129,6 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context) rsa_pub_unmap(dev, edesc, req); rsa_io_unmap(dev, edesc, req); - kfree(edesc); /* * If no backlog flag, the completion of the request is done @@ -139,6 +138,8 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context) akcipher_request_complete(req, ecode); else crypto_finalize_akcipher_request(jrp->engine, req, ecode); + + kfree(edesc); } static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err, @@ -170,7 +171,6 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err, } rsa_io_unmap(dev, edesc, req); - kfree(edesc); /* * If no backlog flag, the completion of the request is done @@ -180,6 +180,8 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err, akcipher_request_complete(req, ecode); else crypto_finalize_akcipher_request(jrp->engine, req, ecode); + + kfree(edesc); } /**