diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2019-10-04 13:22:51 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-21 10:34:55 +0100 |
| commit | 1a9dc2ed5fe6a15bc57603340b739ffe4006db1f (patch) | |
| tree | 7adf93be2dcd9aa854be4646c5291cbeabafa696 /fs/buffer.c | |
| parent | 799a03be21afbd82d3633228ff2b889e223405a6 (diff) | |
drm/i810: Prevent underflow in ioctl
commit 4f69851fbaa26b155330be35ce8ac393e93e7442 upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/buffer.c')
0 files changed, 0 insertions, 0 deletions