From: <gregkh@linuxfoundation.org>
To: acme@kernel.org, acme@redhat.com, aduyck@mirantis.com,
alexander.h.duyck@intel.com, andreyknvl@google.com,
davem@davemloft.net, eric.dumazet@gmail.com,
gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "GSO: Reload iph after pskb_may_pull" has been added to the 4.8-stable tree
Date: Thu, 08 Dec 2016 07:20:47 +0100 [thread overview]
Message-ID: <148117804774134@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
GSO: Reload iph after pskb_may_pull
to the 4.8-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:
gso-reload-iph-after-pskb_may_pull.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Thu Dec 8 07:19:12 CET 2016
From: Arnaldo Carvalho de Melo <acme@kernel.org>
Date: Mon, 28 Nov 2016 12:36:58 -0300
Subject: GSO: Reload iph after pskb_may_pull
From: Arnaldo Carvalho de Melo <acme@kernel.org>
[ Upstream commit a510887824171ad260cc4a2603396c6247fdd091 ]
As it may get stale and lead to use after free.
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Alexander Duyck <aduyck@mirantis.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Fixes: cbc53e08a793 ("GSO: Add GSO type for fixed IPv4 ID")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv4/af_inet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1237,7 +1237,7 @@ struct sk_buff *inet_gso_segment(struct
fixedid = !!(skb_shinfo(skb)->gso_type & SKB_GSO_TCP_FIXEDID);
/* fixed ID is invalid if DF bit is not set */
- if (fixedid && !(iph->frag_off & htons(IP_DF)))
+ if (fixedid && !(ip_hdr(skb)->frag_off & htons(IP_DF)))
goto out;
}
Patches currently in stable-queue which might be from acme@kernel.org are
queue-4.8/gso-reload-iph-after-pskb_may_pull.patch
reply other threads:[~2016-12-08 6:21 UTC|newest]
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