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IB/core: Avoid leakage from kernel to user space 

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>
hifive-unleashed-5.1
Eli Cohen 2014-09-14 16:47:52 +03:00 committed by Roland Dreier
parent 900a6d7917
commit 377b513485
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/core/uverbs_main.c
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@ -477,6 +477,7 @@ 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);