diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-10-16 11:22:44 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-11-13 12:05:34 +0900 |
| commit | 45da934f7431181cd1ccc33b4d138dc41c2cd1ba (patch) | |
| tree | a2fdbdaaa3fbe33cf85f04452ba5c4e16f474e14 /arch/xtensa | |
| parent | 09c2c79ce6e82b226262e667971db7f4a666e430 (diff) | |
drm: Prevent overwriting from userspace underallocating core ioctl structs
commit b062672e305ce071f21eb9e18b102c2a430e0999 upstream.
Apply the protections from
commit 1b2f1489633888d4a06028315dc19d65768a1c05
Author: Dave Airlie <airlied@redhat.com>
Date: Sat Aug 14 20:20:34 2010 +1000
drm: block userspace under allocating buffer and having drivers overwrite it (v2)
to the core ioctl structs as well, for we found one instance where there
is a 32-/64-bit size mismatch and were guilty of writing beyond the end
of the user's buffer.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/xtensa')
0 files changed, 0 insertions, 0 deletions