The patch titled
tridentfb: fix pseudo_palette array overrun in setcolreg
has been added to the -mm tree. Its filename is
tridentfb-fix-pseudo_palette-array-overrun-in-setcolreg.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: tridentfb: fix pseudo_palette array overrun in setcolreg
From: "Antonino A. Daplas" <adaplas@xxxxxxxxx>
The pseudo_palette has only 16 elements. Do not write if regno (the array
index) is more than 15.
Signed-off-by: Antonino Daplas <adaplas@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/tridentfb.c | 30 ++++++++++++++++--------------
1 files changed, 16 insertions(+), 14 deletions(-)
diff -puN drivers/video/tridentfb.c~tridentfb-fix-pseudo_palette-array-overrun-in-setcolreg drivers/video/tridentfb.c
--- a/drivers/video/tridentfb.c~tridentfb-fix-pseudo_palette-array-overrun-in-setcolreg
+++ a/drivers/video/tridentfb.c
@@ -976,7 +976,7 @@ static int tridentfb_setcolreg(unsigned
return 1;
- if (bpp==8) {
+ if (bpp == 8) {
t_outb(0xFF,0x3C6);
t_outb(regno,0x3C8);
@@ -984,19 +984,21 @@ static int tridentfb_setcolreg(unsigned
t_outb(green>>10,0x3C9);
t_outb(blue>>10,0x3C9);
- } else if (bpp == 16) { /* RGB 565 */
- u32 col;
-
- col = (red & 0xF800) | ((green & 0xFC00) >> 5) |
- ((blue & 0xF800) >> 11);
- col |= col << 16;
- ((u32 *)(info->pseudo_palette))[regno] = col;
- } else if (bpp == 32) /* ARGB 8888 */
- ((u32*)info->pseudo_palette)[regno] =
- ((transp & 0xFF00) <<16) |
- ((red & 0xFF00) << 8) |
- ((green & 0xFF00)) |
- ((blue & 0xFF00)>>8);
+ } else if (regno < 16) {
+ if (bpp == 16) { /* RGB 565 */
+ u32 col;
+
+ col = (red & 0xF800) | ((green & 0xFC00) >> 5) |
+ ((blue & 0xF800) >> 11);
+ col |= col << 16;
+ ((u32 *)(info->pseudo_palette))[regno] = col;
+ } else if (bpp == 32) /* ARGB 8888 */
+ ((u32*)info->pseudo_palette)[regno] =
+ ((transp & 0xFF00) <<16) |
+ ((red & 0xFF00) << 8) |
+ ((green & 0xFF00)) |
+ ((blue & 0xFF00)>>8);
+ }
// debug("exit\n");
return 0;
_
Patches currently in -mm which might be from adaplas@xxxxxxxxx are
origin.patch
fbcon-smart-blitter-usage-for-scrolling.patch
nvidiafb-adjust-flags-to-take-advantage-of-new-scroll-method.patch
fbcon-cursor-blink-control.patch
fbcon-use-struct-device-instead-of-struct-class_device.patch
fbdev-move-arch-specific-bits-to-their-respective.patch
fbdev-detect-primary-display-device.patch
fbcon-allow-fbcon-to-use-the-primary-display-driver.patch
fbcon-allow-fbcon-to-use-the-primary-display-driver-fix.patch
fbcon-allow-fbcon-to-use-the-primary-display-driver-fix-2.patch
radeonfb-add-support-for-radeon-xpress-200m-rs485.patch
nvidiafb-add-proper-support-for-geforce-7600-chipset.patch
pm2fb-white-spaces-clean-up.patch
fbcon-set_con2fb_map-fixes.patch
fbcon-revise-primary-device-selection.patch
fbdev-fbcon-console-unregistration-from-unregister_framebuffer.patch
fbdev-fbcon-console-unregistration-from-unregister_framebuffer-fix.patch
vt-add-comment-for-unbind_con_driver.patch
68328fb-the-pseudo_palette-is-only-16-elements-long.patch
controlfb-the-pseudo_palette-is-only-16-elements-long.patch
cyblafb-fix-pseudo_palette-array-overrun-in-setcolreg.patch
epson1355fb-color-setting-fixes.patch
ffb-the-pseudo_palette-is-only-16-elements-long.patch
fm2fb-the-pseudo_palette-is-only-16-elements-long.patch
gbefb-the-pseudo_palette-is-only-16-elements-long.patch
macfb-fix-pseudo_palette-size-and-overrun.patch
offb-the-pseudo_palette-is-only-16-elements-long.patch
platinumfb-the-pseudo_palette-is-only-16-elements.patch
pvr2fb-fix-pseudo_palette-array-overrun-and-typecast.patch
q40fb-the-pseudo_palette-is-only-16-elements-long.patch
sgivwfb-the-pseudo_palette-is-only-16-elements-long.patch
sunxvr2500fb-fix-pseudo_palette-array-size.patch
sunxvr500fb-fix-pseudo_palette-array-size.patch
tgafb-actually-allocate-memory-for-the-pseudo_palette.patch
tridentfb-fix-pseudo_palette-array-overrun-in-setcolreg.patch
tx3912fb-fix-improper-assignment-of-info-pseudo_palette.patch
atyfb-the-pseudo_palette-is-only-16-elements-long.patch
radeonfb-the-pseudo_palette-is-only-16-elements-long.patch
i810fb-the-pseudo_palette-is-only-16-elements-long.patch
intelfb-the-pseudo_palette-is-only-16-elements-long.patch
sisfb-fix-pseudo_palette-array-size-and-overrun.patch
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