This is a note to let you know that I've just added the patch titled
IB/core: Clear AH attr variable to prevent garbage data
to the 3.14-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:
ib-core-clear-ah-attr-variable-to-prevent-garbage-data.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8b0f93d9490653a7b9fc91f3570089132faed1c0 Mon Sep 17 00:00:00 2001
From: Devesh Sharma <[email protected]>
Date: Fri, 26 Sep 2014 20:45:32 +0530
Subject: IB/core: Clear AH attr variable to prevent garbage data
From: Devesh Sharma <[email protected]>
commit 8b0f93d9490653a7b9fc91f3570089132faed1c0 upstream.
During create-ah from userspace, uverbs is sending garbage data in
attr.dmac and attr.vlan_id. This patch sets attr.dmac and
attr.vlan_id to zero.
Fixes: dd5f03beb4f7 ("IB/core: Ethernet L2 attributes in verbs/cm structures")
Signed-off-by: Devesh Sharma <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/infiniband/core/uverbs_cmd.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -2425,6 +2425,8 @@ ssize_t ib_uverbs_create_ah(struct ib_uv
attr.grh.sgid_index = cmd.attr.grh.sgid_index;
attr.grh.hop_limit = cmd.attr.grh.hop_limit;
attr.grh.traffic_class = cmd.attr.grh.traffic_class;
+ attr.vlan_id = 0;
+ memset(&attr.dmac, 0, sizeof(attr.dmac));
memcpy(attr.grh.dgid.raw, cmd.attr.grh.dgid, 16);
ah = ib_create_ah(pd, &attr);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.14/ib-core-clear-ah-attr-variable-to-prevent-garbage-data.patch
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