lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Wed, 4 Nov 2015 21:13:39 +0100 From: LABBE Corentin <clabbe.montjoie@...il.com> To: clabbe.montjoie@...il.com, davem@...emloft.net, dmitry.torokhov@...il.com, fabio.estevam@...escale.com, herbert@...dor.apana.org.au Cc: linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 7/7] crypto: amcc: check return value of sg_nents_for_len The sg_nents_for_len() function could fail, this patch add a check for its return value. Signed-off-by: LABBE Corentin <clabbe.montjoie@...il.com> --- drivers/crypto/amcc/crypto4xx_core.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 27288fc..e6f7757 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -781,6 +781,10 @@ u32 crypto4xx_build_pd(struct crypto_async_request *req, /* figure how many gd is needed */ num_gd = sg_nents_for_len(src, datalen); + if ((int)num_gd < 0) { + dev_err(dev->core_dev->device, "Invalid number of src SG.\n"); + return -EINVAL; + } if (num_gd == 1) num_gd = 0; -- 2.4.10 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists