This is a note to let you know that I've just added the patch titled
fib_frontend: fix possible NULL pointer dereference
to the 3.10-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:
fib_frontend-fix-possible-null-pointer-dereference.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From foo@baz Tue Feb 4 09:07:36 PST 2014
From: Oliver Hartkopp <[email protected]>
Date: Thu, 23 Jan 2014 10:19:34 +0100
Subject: fib_frontend: fix possible NULL pointer dereference
From: Oliver Hartkopp <[email protected]>
[ Upstream commit a0065f266a9b5d51575535a25c15ccbeed9a9966 ]
The two commits 0115e8e30d (net: remove delay at device dismantle) and
748e2d9396a (net: reinstate rtnl in call_netdevice_notifiers()) silently
removed a NULL pointer check for in_dev since Linux 3.7.
This patch re-introduces this check as it causes crashing the kernel when
setting small mtu values on non-ip capable netdevices.
Signed-off-by: Oliver Hartkopp <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/ipv4/fib_frontend.c | 2 ++
1 file changed, 2 insertions(+)
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1049,6 +1049,8 @@ static int fib_netdev_event(struct notif
}
in_dev = __in_dev_get_rtnl(dev);
+ if (!in_dev)
+ return NOTIFY_DONE;
switch (event) {
case NETDEV_UP:
Patches currently in stable-queue which might be from [email protected] are
queue-3.10/fib_frontend-fix-possible-null-pointer-dereference.patch
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