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(parent: 8bdbb55) | patch
drm/qxl: use kmalloc_array to alloc reloc_info in qxl_process_single_command
authorGerd Hoffmann <kraxel@redhat.com>
Tue, 16 Feb 2016 13:25:00 +0000 (14:25 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 3 Mar 2016 23:06:52 +0000 (15:06 -0800)
commitccaa0f16445bbe9abe2ce6c3be8038c635229a8a
treee8b0e38aab1ea5c764e43df2bf999819ba394b4ftree | snapshot
parent8bdbb55d0555794ac7bc917d5aec4b1516eba14fcommit | diff
drm/qxl: use kmalloc_array to alloc reloc_info in qxl_process_single_command

commit 34855706c30d52b0a744da44348b5d1cc39fbe51 upstream.

This avoids integer overflows on 32bit machines when calculating
reloc_info size, as reported by Alan Cox.

Cc: gnomes@lxorguk.ukuu.org.uk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/qxl/qxl_ioctl.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git