linux/drivers/video
Tetsuo Handa bd018a6a75 video: fbdev: fix OOB read in vga_8planes_imageblit()
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>
2020-09-04 17:27:10 +02:00
..
backlight treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
console TTY/Serial patches for 5.9-rc1 2020-08-06 14:56:11 -07:00
fbdev video: fbdev: fix OOB read in vga_8planes_imageblit() 2020-09-04 17:27:10 +02:00
logo .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
display_timing.c
hdmi.c drm-misc-next for v5.9: 2020-06-24 15:45:51 +10:00
Kconfig
Makefile
of_display_timing.c
of_videomode.c
vgastate.c
videomode.c