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69fea2b4e59c52844cf5196c9c81157792d194fb
linux/drivers/video/fbdev
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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
..
aty
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
core
Merge tag 'tty-5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2020-08-26 10:58:20 -07:00
geode
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
i810
video: fbdev: i810: use true,false for bool variables
2020-05-06 19:29:10 +02:00
intelfb
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
kyro
video: fbdev: kyrofb: remove set but not used variable 'ulScaleRight'
2020-03-02 16:32:11 +01:00
matrox
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
mb862xx
video: fbdev: mb862xx: remove set but not used variable 'mdr'
2020-04-08 12:09:15 +02:00
mbx
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
mmp
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nvidia
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
omap
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
omap2
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
riva
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
savage
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sis
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
vermilion
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
via
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
68328fb.c
video/fbdev/68328fb: Remove dead code
2020-01-03 14:27:43 +01:00
acornfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
acornfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
amifb.c
video: fbdev: amifb: add FIXMEs about {put,get}_user() failures
2020-07-10 16:17:20 +02:00
arcfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
arkfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
asiliantfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
atafb_iplan2p2.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p4.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_iplan2p8.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_mfb.c
fbdev: atafb: Remove obsolete module support
2019-04-01 17:46:55 +02:00
atafb_utils.h
…
atafb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
atafb.h
…
atmel_lcdfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
au1100fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1100fb.h
au1100fb: fix DMA API abuse
2019-06-03 16:00:08 +02:00
au1200fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1200fb.h
…
broadsheetfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
bt431.h
…
bt455.h
…
bw2.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
c2p_core.h
fbdev: c2p: Use BUILD_BUG() instead of custom solution
2020-03-09 11:12:19 +01:00
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
carminefb.h
…
cg3.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cg6.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cg14.c
fbdev: cg14fb: use resource_size
2020-01-15 17:31:50 +01:00
chipsfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cirrusfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
clps711x-fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
cobalt_lcdfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
controlfb.c
Merge tag 'powerpc-5.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-08-30 10:56:12 -07:00
controlfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cyber2000fb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
cyber2000fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
da8xx-fb.c
fbdev: da8xx-fb: go to proper label on error handling paths in probe
2020-07-10 16:17:28 +02:00
dnfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
edid.h
…
efifb.c
efi: avoid error message when booting under Xen
2020-08-20 06:26:22 +02:00
ep93xx-fb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
ffb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
fm2fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
fsl-diu-fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
g364fb.c
fbdev/g364fb: Fix build failure
2020-02-19 10:58:22 -08:00
gbefb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
goldfishfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
grvga.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
gxt4500.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
hecubafb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
hgafb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
hitfb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
hpfb.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
hyperv_fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
i740_reg.h
…
i740fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
imsttfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
imxfb.c
video: fbdev: imxfb: ensure balanced regulator usage
2020-04-17 15:50:07 +02:00
Kconfig
Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
2020-08-05 19:50:06 -07:00
leo.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
macfb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
macmodes.c
…
macmodes.h
…
Makefile
Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
2020-08-05 19:50:06 -07:00
maxinefb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
metronomefb.c
video: fbdev: Replace HTTP links with HTTPS ones
2020-07-20 11:47:29 +02:00
mx3fb.c
fbdev: mx3fb: const pointer to ipu_di_signal_cfg
2020-04-12 22:09:35 +02:00
n411.c
…
neofb.c
video: fbdev: neofb: fix memory leak in neo_scan_monitor()
2020-07-10 16:17:24 +02:00
ocfb.c
video: ocfb: Use devm_platform_ioremap_resource() in ocfb_probe()
2020-01-03 14:27:49 +01:00
offb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
p9100.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
platinumfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
platinumfb.h
…
pm2fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pm3fb.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
pmag-aa-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmag-ba-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
pmagb-b-fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
ps3fb.c
fbmem: pull fbcon_update_vcs() out of fb_set_var()
2020-08-04 07:37:23 +02:00
pvr2fb.c
video: fbdev: convert get_user_pages() --> pin_user_pages()
2020-05-31 22:54:37 +02:00
pxa3xx-gcu.c
misc: cleanup minor number definitions in c file into miscdevice.h
2020-03-18 12:27:03 +01:00
pxa3xx-gcu.h
…
pxa168fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxa168fb.h
…
pxafb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
pxafb.h
video: pxafb: Remove cpufreq policy notifier
2019-08-26 10:02:02 +02:00
q40fb.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
s1d13xxxfb.c
fbdev: s1d13xxxfb: add missed unregister_framebuffer in remove
2020-04-17 15:50:12 +02:00
s3c2410fb.c
video: fbdev: Use IS_BUILTIN
2020-06-01 15:15:24 +02:00
s3c2410fb.h
…
s3c-fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
s3fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sa1100fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sa1100fb.h
ARM/fbdev: sa11x0: Switch to use GPIO descriptors
2020-04-17 15:50:11 +02:00
sbuslib.c
fbdev: sbuslib: integer overflow in sbusfb_ioctl_helper()
2018-10-08 12:57:36 +02:00
sbuslib.h
…
sh7760fb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
sh_mobile_lcdcfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sh_mobile_lcdcfb.h
fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify
2019-06-12 20:28:11 +02:00
simplefb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
skeletonfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sm501fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sm712.h
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
2019-04-01 17:46:59 +02:00
sm712fb.c
fbdev: sm712fb: set error code in probe
2020-07-10 16:17:29 +02:00
smscufx.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
ssd1307fb.c
pwm: Convert period and duty cycle to u64
2020-06-17 20:42:11 +02:00
sstfb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
sticore.h
…
stifb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sunxvr500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr1000.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
sunxvr2500.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tcx.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tdfxfb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
tgafb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
tmiofb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
tridentfb.c
Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm
2020-01-30 08:04:01 -08:00
udlfb.c
video: udlfb: use true,false for bool variables
2020-05-06 19:30:25 +02:00
uvesafb.c
video: fbdev: uvesafb: fix "noblank" option handling
2020-06-21 09:58:55 +02:00
valkyriefb.c
video: fbdev: valkyriefb.c: fix warning comparing pointer to 0
2020-05-06 21:04:45 +02:00
valkyriefb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
vesafb.c
video: fbdev: vesafb: add missed release_region
2020-04-17 15:50:14 +02:00
vfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
vga16fb.c
video: fbdev: fix OOB read in vga_8planes_imageblit()
2020-09-04 17:27:10 +02:00
vt8500lcdfb.c
video: vt8500lcdfb: fix fallthrough warning
2020-04-17 15:50:08 +02:00
vt8500lcdfb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
vt8623fb.c
video: fbdev: vt8623fb: Constify static vga_regsets
2020-07-10 16:17:27 +02:00
w100fb.c
video: fbdev: w100fb: Fix a potential double free.
2020-05-06 20:22:25 +02:00
w100fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
wm8505fb_regs.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
wm8505fb.c
video: fbdev: wm8505fb: fix sparse warnings about using incorrect types
2020-03-02 16:32:04 +01:00
wmt_ge_rops.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
wmt_ge_rops.h
…
xen-fbfront.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
xilinxfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00