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Subject[PATCH 3.10 06/34] IB/core: Avoid leakage from kernel to user space
Date
3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eli Cohen <eli@dev.mellanox.co.il>

commit 377b513485fd885dea1083a9a5430df65b35e048 upstream.

Clear the reserved field of struct ib_uverbs_async_event_desc which is
copied to user space.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/infiniband/core/uverbs_main.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -460,6 +460,7 @@ static void ib_uverbs_async_handler(stru

entry->desc.async.element = element;
entry->desc.async.event_type = event;
+ entry->desc.async.reserved = 0;
entry->counter = counter;

list_add_tail(&entry->list, &file->async_file->event_list);



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