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kernel_arpi/drivers/video/fbdev
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Du Cheng 61f0c3e809 drivers: video: fbcon: fix NULL dereference in fbcon_cursor() 
commit 01faae5193 upstream.

add null-check on function pointer before dereference on ops->cursor

Reported-by: syzbot+b67aaae8d3a927f68d20@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Du Cheng <ducheng2@gmail.com>
Link: https://lore.kernel.org/r/20210312081421.452405-1-ducheng2@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-07 15:00:13 +02:00
..
aty
fbdev: aty: remove CONFIG_PM container
2020-09-18 14:45:44 +02:00
core
drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
2021-04-07 15:00:13 +02:00
geode
fbdev: lxfb: use generic power management
2020-09-08 13:33:10 +02:00
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: kyro: remove set but not used 'ulCoreClock'
2020-09-08 13:33:31 +02:00
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
mmp
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
nvidia
Merge drm/drm-next into drm-misc-next
2020-09-14 18:11:40 +02:00
omap
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
omap2
omapfb: fix spelling mistake "propert" -> "property"
2020-09-08 13:33:05 +02:00
riva
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
savage
fbdev: savagefb: use generic power management
2020-09-08 13:33:15 +02:00
sis
Merge drm/drm-next into drm-misc-next
2020-09-14 18:11:40 +02:00
vermilion
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
via
Merge drm/drm-next into drm-misc-next
2020-09-14 18:11:40 +02:00
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
…
amba-clcd.c
Partially revert "video: fbdev: amba-clcd: Retire elder CLCD driver"
2020-09-30 16:37:39 +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
fbdev: arkfb: use generic power management
2020-09-08 13:33:20 +02:00
asiliantfb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
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
video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init()
2020-12-30 11:53:13 +01:00
au1100fb.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
au1100fb.h
…
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
…
cyber2000fb.c
fbdev: cyber2000fb: use generic power management
2020-09-08 13:33:16 +02:00
cyber2000fb.h
…
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
video: hyperv_fb: Fix a double free in hvfb_probe
2021-04-07 15:00:11 +02:00
i740_reg.h
…
i740fb.c
fbdev: i740fb: use generic power management
2020-09-08 13:33:17 +02:00
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
fbdev: aty: SPARC64 requires FB_ATY_CT
2021-03-04 11:37:36 +01:00
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-2020-10-15' of git://anongit.freedesktop.org/drm/drm
2020-10-15 10:46:16 -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: pvr2fb: initialize variables
2020-08-05 19:47:22 +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
…
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-regs-lcd.h
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.c
fbdev: s3c2410fb: remove mach header dependency
2020-08-20 17:48:12 +02:00
s3c2410fb.h
…
s3c-fb.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
s3fb.c
fbdev: s3fb: use generic power management
2020-09-08 13:33:19 +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
…
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
…
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
…
sm712fb.c
fbdev: sm712fb: handle ioremap() errors in probe
2020-09-08 13:33:02 +02:00
smscufx.c
video: constify fb ops across all drivers
2019-12-05 10:57:53 +02:00
ssd1307fb.c
video: fbdev: ssd1307fb: Added support to Column offset
2020-09-08 13:33:03 +02:00
sstfb.c
video: fbdev: sstfb: replace spurious snprintf() with sprintf()
2020-09-08 13:33:24 +02:00
sticore.h
parisc/sticon: Add user font support
2020-10-15 08:12:59 +02:00
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
video: fbdev: tgafb: Avoid comma separated statements
2020-09-08 13:33:25 +02:00
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
udlfb: Fix memory leak in dlfb_usb_probe
2021-03-07 12:34:04 +01:00
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
…
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
Merge drm/drm-next into drm-misc-next
2020-09-14 18:11:40 +02:00
vt8500lcdfb.c
video: vt8500lcdfb: fix fallthrough warning
2020-04-17 15:50:08 +02:00
vt8500lcdfb.h
…
vt8623fb.c
fbdev: vt8623fb: use generic power management
2020-09-08 13:33:18 +02:00
w100fb.c
video: fbdev: w100fb: Fix a potential double free.
2020-05-06 20:22:25 +02:00
w100fb.h
…
wm8505fb_regs.h
…
wm8505fb.c
video: fbdev: wm8505fb: fix sparse warnings about using incorrect types
2020-03-02 16:32:04 +01:00
wmt_ge_rops.c
…
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