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| author | Eli Cohen <eli@dev.mellanox.co.il> | 2014-09-14 16:47:52 +0300 |
|---|---|---|
| committer | Stefan Bader <stefan.bader@canonical.com> | 2015-05-29 11:54:17 +0200 |
| commit | c32039bc016a2864072deceb375bfb425f1a64f2 (patch) | |
| tree | 22d84cd0a9d5f2a1ff9b5dd843af028d2303190d | |
| parent | 46a71c61645812e5ae6bf7f48ab47b10a1d94e36 (diff) | |
| download | linux-2.6.32.y-drm33.z-c32039bc016a2864072deceb375bfb425f1a64f2.tar.gz | |
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>
(cherry picked from commit 852acc0151014ba9731e2f5f2f3df3b6a8960d40)
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Stefan Bader <stefan.bader@canonical.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 aec0fbdfe7f01..8da0037c9387d 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -433,6 +433,7 @@ 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); |