| commit | 4f69851fbaa26b155330be35ce8ac393e93e7442 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Fri Oct 04 13:22:51 2019 +0300 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Fri Oct 04 17:04:05 2019 +0100 |
| tree | 986759e104e9cac00e6628b4080abdf4630b9b39 | |
| parent | ba2a1c8706151ac3234d2d020873feab498ab1bb [diff] |
drm/i810: Prevent underflow in ioctl The "used" variables here come from the user in the ioctl and it can be negative. It could result in an out of bounds write. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20191004102251.GC823@mwanda Cc: stable@vger.kernel.org