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authorChris Wilson2013-10-16 11:22:44 +0100
committerDave Airlie2013-10-18 07:40:37 +0100
commitb062672e305ce071f21eb9e18b102c2a430e0999 (patch)
tree6a07fbd3e3a7e63d8770772d8ba9f64eff66f206 /drivers/net/irda/smsc-sio.h
parentc4249855ac5b2a383704d31e040d3831d6a25c6f (diff)
drm: Prevent overwriting from userspace underallocating core ioctl structs
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 Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/net/irda/smsc-sio.h')
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