| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 077/144] IB/core: Avoid leakage from kernel to user space | Date | Tue, 21 Apr 2015 16:31:02 +0100 |
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3.16.7-ckt10 -stable review patch. If anyone has any objections, please let me know.
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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: Luis Henriques <luis.henriques@canonical.com> --- drivers/infiniband/core/uverbs_main.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 08219fb3338b..7a515c867674 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -476,6 +476,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file, 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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