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[net-next,10/10] IB/core: Avoid leakage from kernel to user space

Message ID 1407929951-16362-11-git-send-email-eli@mellanox.com
State Deferred, archived
Delegated to: David Miller
Headers show

Commit Message

Eli Cohen Aug. 13, 2014, 11:39 a.m. UTC 
Clear the reserved field of struct ib_uverbs_async_event_desc which copied to
user space.

Signed-off-by: Eli Cohen <eli@mellanox.com>
---
 drivers/infiniband/core/uverbs_main.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 1280e78f199d..607b62ce434b 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -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);