netdev - [PATCH 1/1] [SK_BUFF]: Adjust the zeroing up to tail in __alloc

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20070319135030.GE17811@ghostprotocols.net>
Date:	Mon, 19 Mar 2007 10:50:30 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 1/1] [SK_BUFF]: Adjust the zeroing up to tail in __alloc_skb too

Hi David,

	Please pull from:

master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6.22

- Arnaldo

---

I did it just in alloc_skb_from_cache, forgot __alloc_skb, fixed now.

Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 net/core/skbuff.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c274ea3..d7d2dc3 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -164,7 +164,10 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	if (!data)
 		goto nodata;
 
-	memset(skb, 0, offsetof(struct sk_buff, truesize));
+	/*
+	 * See comment in sk_buff definition, just before the 'tail' member
+	 */
+	memset(skb, 0, offsetof(struct sk_buff, tail));
 	skb->truesize = size + sizeof(struct sk_buff);
 	atomic_set(&skb->users, 1);
 	skb->head = data;
-- 
1.5.0.3

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html