commit 65a01e601dbba8b7a51a2677811f70f783766682 upstream.
Prevent that users set a font size which is bigger than the physical screen.
It's unl(CR) this may happen (because screens are usually much larger than the
fonts and each font char is limited to 32x32 pixels), but it may happen on
smaller screens/LCD displays.
Mot-CRs-fixed: (CR)
CVE-Fixed: CVE-2021-33655
Bug: 240019719
Change-Id: I9830f341a6cf1cd2f65c5dc8e2ef4b7bf3a62092
Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Gajjala Chakradhar <gajjalac@motorola.com>
Reviewed-on: https://gerrit.mot.com/2458683
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
Helge Deller
fa6d036bca