From: Alexey Dobriyan <adobriyan@gmail.com>
To: steffen.klassert@secunet.com
Cc: herbert@gondor.apana.org.au, davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 1/5] xfrm: make aead_len() return unsigned int
Date: Thu, 21 Sep 2017 23:45:43 +0300 [thread overview]
Message-ID: <20170921204543.GB13550@avx2> (raw)
Key lengths can't be negative.
Comparison with nla_len() is left signed just in case negative value
can sneak in there.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
include/net/xfrm.h | 2 +-
net/xfrm/xfrm_user.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1764,7 +1764,7 @@ static inline int xfrm_acquire_is_on(struct net *net)
}
#endif
-static inline int aead_len(struct xfrm_algo_aead *alg)
+static inline unsigned int aead_len(struct xfrm_algo_aead *alg)
{
return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
}
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -84,7 +84,7 @@ static int verify_aead(struct nlattr **attrs)
return 0;
algp = nla_data(rt);
- if (nla_len(rt) < aead_len(algp))
+ if (nla_len(rt) < (int)aead_len(algp))
return -EINVAL;
algp->alg_name[sizeof(algp->alg_name) - 1] = '\0';
next reply other threads:[~2017-09-21 20:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-21 20:45 Alexey Dobriyan [this message]
2017-09-21 20:46 ` [PATCH 2/5] xfrm: make xfrm_alg_len() return unsigned int Alexey Dobriyan
2017-09-21 20:47 ` [PATCH 3/5] xfrm: make xfrm_alg_auth_len() " Alexey Dobriyan
2017-09-21 20:47 ` [PATCH 4/5] xfrm: make xfrm_replay_state_esn_len() " Alexey Dobriyan
2017-09-21 20:48 ` [PATCH 5/5] xfrm: eradicate size_t Alexey Dobriyan
2017-09-25 11:46 ` Steffen Klassert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170921204543.GB13550@avx2 \
--to=adobriyan@gmail.com \
--cc=davem@davemloft.net \
--cc=herbert@gondor.apana.org.au \
--cc=netdev@vger.kernel.org \
--cc=steffen.klassert@secunet.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.