This is a note to let you know that I've just added the patch titled
rds: prevent dereference of a NULL device in rds_iw_laddr_check
to the 3.4-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:
rds-prevent-dereference-of-a-null-device-in-rds_iw_laddr_check.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Apr 14 15:32:12 PDT 2014
From: Sasha Levin <sasha.levin@xxxxxxxxxx>
Date: Sat, 29 Mar 2014 20:39:35 -0400
Subject: rds: prevent dereference of a NULL device in rds_iw_laddr_check
From: Sasha Levin <sasha.levin@xxxxxxxxxx>
[ Upstream commit bf39b4247b8799935ea91d90db250ab608a58e50 ]
Binding might result in a NULL device which is later dereferenced
without checking.
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/rds/iw.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -239,7 +239,8 @@ static int rds_iw_laddr_check(__be32 add
ret = rdma_bind_addr(cm_id, (struct sockaddr *)&sin);
/* due to this, we will claim to support IB devices unless we
check node_type. */
- if (ret || cm_id->device->node_type != RDMA_NODE_RNIC)
+ if (ret || !cm_id->device ||
+ cm_id->device->node_type != RDMA_NODE_RNIC)
ret = -EADDRNOTAVAIL;
rdsdebug("addr %pI4 ret %d node type %d\n",
Patches currently in stable-queue which might be from sasha.levin@xxxxxxxxxx are
queue-3.4/rds-prevent-dereference-of-a-null-device-in-rds_iw_laddr_check.patch
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