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    Subject[PATCH 3.14 10/43] IB/core: Avoid leakage from kernel to user space
    Date
    3.14-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
    @@ -476,6 +476,7 @@ 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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