diff options
author | Eli Cohen <eli@dev.mellanox.co.il> | 2014-09-14 16:47:52 +0300 |
---|---|---|
committer | Ben Hutchings <ben@decadent.org.uk> | 2015-05-09 23:16:40 +0100 |
commit | 852acc0151014ba9731e2f5f2f3df3b6a8960d40 (patch) | |
tree | 218cc09fefc503512c2ca278e014be90bfcd733c | |
parent | 7499401e4a0b01ee43cff768de4ca630dcd0bc64 (diff) |
IB/core: Avoid leakage from kernel to user space
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: Ben Hutchings <ben@decadent.org.uk>
Cc: Yann Droneaud <ydroneaud@opteya.com>
-rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 879636746373..9379b97cdecb 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -451,6 +451,7 @@ 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); |