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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-04-13 13:32:15 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-06-13 01:52:45 +0400 |
| commit | c88e739b1fad662240e99ecbd0bdaac871717987 (patch) | |
| tree | d4534b04e1d1671fa55b39bac18e72cbb527c9d4 /drivers/media | |
| parent | fe905b8cc992edd3d1f729f4a88c4701e7c3b774 (diff) | |
| download | linux-c88e739b1fad662240e99ecbd0bdaac871717987.tar.xz | |
[media] media: info leak in __media_device_enum_links()
These structs have holes and reserved struct members which aren't
cleared. I've added a memset() so we don't leak stack information.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/media-device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 1957c0df08fd..d5a7a135f75d 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -142,6 +142,8 @@ static long __media_device_enum_links(struct media_device *mdev, for (p = 0; p < entity->num_pads; p++) { struct media_pad_desc pad; + + memset(&pad, 0, sizeof(pad)); media_device_kpad_to_upad(&entity->pads[p], &pad); if (copy_to_user(&links->pads[p], &pad, sizeof(pad))) return -EFAULT; @@ -159,6 +161,7 @@ static long __media_device_enum_links(struct media_device *mdev, if (entity->links[l].source->entity != entity) continue; + memset(&link, 0, sizeof(link)); media_device_kpad_to_upad(entity->links[l].source, &link.source); media_device_kpad_to_upad(entity->links[l].sink, |