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>
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@ -477,6 +477,7 @@ static void ib_uverbs_async_handler(struct ib_uverbs_file *file,
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entry->desc.async.element = element;
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entry->desc.async.event_type = event;
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entry->desc.async.reserved = 0;
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entry->counter = counter;
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list_add_tail(&entry->list, &file->async_file->event_list);
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