Tetsuo Handa 2b537106bc video: fbdev: fix OOB read in vga_8planes_imageblit() ... commit bd018a6a75 upstream. syzbot is reporting OOB read at vga_8planes_imageblit() [1], for "cdat[y] >> 4" can become a negative value due to "const char *cdat". [1] https://syzkaller.appspot.com/bug?id=0d7a0da1557dcd1989e00cb3692b26d4173b4132 Reported-by: syzbot <syzbot+69fbd3e01470f169c8c4@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/90b55ec3-d5b0-3307-9f7c-7ff5c5fd6ad3@i-love.sakura.ne.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-09-17 13:45:30 +02:00
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backlight	backlight: lp855x: Ensure regulators are disabled on probe failure	2020-06-25 15:32:48 +02:00
console	vgacon: remove software scrollback support	2020-09-17 13:45:29 +02:00
fbdev	video: fbdev: fix OOB read in vga_8planes_imageblit()	2020-09-17 13:45:30 +02:00
logo	video/logo: remove obsolete logo files	2018-03-26 15:56:42 +02:00
display_timing.c
hdmi.c	video/hdmi: Fix AVI bar unpack	2019-12-17 20:35:17 +01:00
Kconfig	fbdev changes for v4.17:	2018-04-10 10:20:00 -07:00
Makefile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
of_display_timing.c	treewide: kzalloc() -> kcalloc()	2018-06-12 16:19:22 -07:00
of_videomode.c	video: fbdev: Convert to using %pOF instead of full_name	2017-08-07 17:22:13 +02:00
vgastate.c	fbdev: vgastate: remove trailing whitespaces	2015-01-13 12:53:25 +02:00
videomode.c