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alistair23-linux/drivers/gpu/drm/i810
Dan Carpenter 5d8115f535 drm/i810: Prevent underflow in ioctl
commit 4f69851fba 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>
2019-12-13 08:42:56 +01:00
..
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
i810_dma.c drm/i810: Prevent underflow in ioctl 2019-12-13 08:42:56 +01:00
i810_drv.c drm/i810: drop use of drmP.h 2019-07-17 12:52:55 +02:00
i810_drv.h drm/i810: drop use of drmP.h 2019-07-17 12:52:55 +02:00