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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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aty
mach64: fix image corruption due to reading accelerator registers
2018-11-21 09:19:17 +01:00
core
fbcon: remove now unusued 'softback_lines' cursor() argument
2020-09-17 13:45:30 +02:00
geode
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i810
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intelfb
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kyro
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matrox
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mb862xx
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mbx
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mmp
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nvidia
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omap
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omap2
omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
2020-09-03 11:24:20 +02:00
riva
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savage
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sis
video: fbdev: sis: Remove unnecessary parentheses and commented code
2020-04-23 10:30:15 +02:00
vermilion
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via
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68328fb.c
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acornfb.c
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acornfb.h
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amba-clcd-nomadik.c
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amba-clcd-nomadik.h
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amba-clcd-versatile.c
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amba-clcd-versatile.h
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amba-clcd.c
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amifb.c
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arcfb.c
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arkfb.c
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asiliantfb.c
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atafb_iplan2p2.c
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atafb_iplan2p4.c
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atafb_iplan2p8.c
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atafb_mfb.c
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atafb_utils.h
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atafb.c
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atafb.h
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atmel_lcdfb.c
atmel_lcdfb: support native-mode display-timings
2019-11-24 08:20:35 +01:00
au1100fb.c
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au1100fb.h
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au1200fb.c
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au1200fb.h
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broadsheetfb.c
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bt431.h
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bt455.h
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bw2.c
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c2p_core.h
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c2p_iplan2.c
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c2p_planar.c
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c2p.h
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carminefb_regs.h
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carminefb.c
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carminefb.h
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cg3.c
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cg6.c
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cg14.c
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chipsfb.c
fbdev: chipsfb: remove set but not used variable 'size'
2020-01-27 14:50:21 +01:00
cirrusfb.c
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clps711x-fb.c
video: clps711x-fb: release disp device node in probe()
2019-02-12 19:47:15 +01:00
clps711xfb.c
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cobalt_lcdfb.c
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controlfb.c
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controlfb.h
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cyber2000fb.c
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cyber2000fb.h
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da8xx-fb.c
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dnfb.c
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edid.h
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efifb.c
efi: avoid error message when booting under Xen
2020-08-26 10:31:05 +02:00
ep93xx-fb.c
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fb-puv3.c
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ffb.c
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fm2fb.c
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fsl-diu-fb.c
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g364fb.c
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gbefb.c
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goldfishfb.c
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grvga.c
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gxt4500.c
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hecubafb.c
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hgafb.c
video: hgafb: fix potential NULL pointer dereference
2019-06-15 11:54:10 +02:00
hitfb.c
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hpfb.c
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hyperv_fb.c
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i740_reg.h
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i740fb.c
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imsttfb.c
video: imsttfb: fix potential NULL pointer dereferences
2019-06-15 11:54:10 +02:00
imxfb.c
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jz4740_fb.c
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Kconfig
fbdev: fix broken menu dependencies
2019-11-24 08:20:37 +01:00
leo.c
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macfb.c
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macmodes.c
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macmodes.h
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Makefile
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maxinefb.c
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metronomefb.c
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mx3fb.c
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mxsfb.c
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n411.c
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neofb.c
video: fbdev: neofb: fix memory leak in neo_scan_monitor()
2020-08-19 08:14:51 +02:00
nuc900fb.c
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nuc900fb.h
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ocfb.c
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offb.c
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p9100.c
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platinumfb.c
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platinumfb.h
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pm2fb.c
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pm3fb.c
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pmag-aa-fb.c
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pmag-ba-fb.c
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pmagb-b-fb.c
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ps3fb.c
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pvr2fb.c
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pxa3xx-gcu.c
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pxa3xx-gcu.h
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pxa168fb.c
pxa168fb: Fix the function used to release some memory in an error handling path
2020-02-24 08:34:36 +01:00
pxa168fb.h
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pxafb.c
video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call
2020-08-19 08:14:54 +02:00
pxafb.h
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q40fb.c
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s1d13xxxfb.c
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s3c2410fb.c
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s3c2410fb.h
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s3c-fb.c
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s3fb.c
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sa1100fb.c
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sa1100fb.h
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sbuslib.c
fbdev: sbuslib: integer overflow in sbusfb_ioctl_helper()
2019-11-24 08:20:36 +01:00
sbuslib.h
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sh7760fb.c
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sh_mobile_lcdcfb.c
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sh_mobile_lcdcfb.h
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simplefb.c
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skeletonfb.c
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sm501fb.c
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sm712.h
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
2019-05-25 18:23:36 +02:00
sm712fb.c
video: fbdev: sm712fb: fix an issue about iounmap for a wrong address
2020-08-19 08:14:54 +02:00
smscufx.c
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ssd1307fb.c
video: ssd1307fb: Start page range at page_offset
2019-10-07 18:56:30 +02:00
sstfb.c
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sticore.h
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stifb.c
video/fbdev/stifb: Fix spelling mistake in fall-through annotation
2018-09-26 18:50:54 +02:00
sunxvr500.c
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sunxvr1000.c
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sunxvr2500.c
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tcx.c
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tdfxfb.c
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tgafb.c
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tmiofb.c
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tridentfb.c
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udlfb.c
udlfb: fix some inconsistent NULL checking
2019-05-31 06:46:02 -07:00
uvesafb.c
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valkyriefb.c
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valkyriefb.h
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vesafb.c
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vfb.c
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vga16fb.c
video: fbdev: fix OOB read in vga_8planes_imageblit()
2020-09-17 13:45:30 +02:00
vt8500lcdfb.c
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vt8500lcdfb.h
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vt8623fb.c
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w100fb.c
video: fbdev: w100fb: Fix a potential double free.
2020-06-22 09:05:06 +02:00
w100fb.h
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wm8505fb_regs.h
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wm8505fb.c
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wmt_ge_rops.c
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wmt_ge_rops.h
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xen-fbfront.c
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xilinxfb.c
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