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v6.7.7
twx-linux/drivers/video/fbdev
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Fullway Wang 1d11dd3ea5 fbdev: sis: Error out if pixclock equals zero 
[ Upstream commit e421946be7 ]

The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of pixclock,
it may cause divide-by-zero error.

In sisfb_check_var(), var->pixclock is used as a divisor to caculate
drate before it is checked against zero. Fix this by checking it
at the beginning.

This is similar to CVE-2022-3061 in i740fb which was fixed by
commit 15cf0b8.

Signed-off-by: Fullway Wang <fullwaywang@outlook.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-01 13:41:34 +01:00
..
aty
Merge tag 'drm-misc-next-2023-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-10-31 10:47:50 +10:00
core
fbdev: flush deferred IO before closing
2024-01-25 15:45:13 -08:00
geode
fbdev/geode/lxfb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
i810
fbdev/i810fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:32 +02:00
intelfb
fbdev/intelfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:40 +02:00
kyro
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
matrox
fbdev/matroxfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:45 +02:00
mb862xx
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
mmp
BackMerge tag 'v6.6-rc7' into drm-next
2023-10-23 18:20:06 +10:00
nvidia
fbdev/nvidiafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:53 +02:00
omap
fbdev: omapfb: Replace custom memparse() implementation
2023-11-07 14:42:34 +01:00
omap2
fbdev: omapfb/tpd12s015: Convert to platform remove callback returning void
2023-11-10 07:34:19 +01:00
riva
fbdev/rivafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:16 +02:00
savage
fbdev: savage: Error out if pixclock equals zero
2024-03-01 13:41:34 +01:00
sis
fbdev: sis: Error out if pixclock equals zero
2024-03-01 13:41:34 +01:00
vermilion
fbdev/vermilionfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:11 +02:00
via
fbdev: viafb: use new array-copying-wrapper
2023-11-07 14:42:34 +01:00
68328fb.c
fbdev/68328fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:16 +02:00
acornfb.c
fbdev/acornfb: Fix name of fb_ops initializer macro
2024-01-25 15:45:13 -08:00
acornfb.h
…
amba-clcd.c
fbdev/amba-clcd: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:27 +02:00
amifb.c
fbdev: amifb: Convert to platform remove callback returning void
2023-11-10 09:16:02 +01:00
arcfb.c
fbdev: Remove FBINFO_FLAG_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:39 +02:00
arkfb.c
fbdev/arkfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:34 +02:00
asiliantfb.c
fbdev/asiliantfb: Use fbdev I/O helpers
2023-08-04 15:54:34 +02:00
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
…
atafb.c
fbdev/atafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:38 +02:00
atafb.h
…
atmel_lcdfb.c
fbdev: atmel_lcdfb: Convert to platform remove callback returning void
2023-11-10 07:34:19 +01:00
au1100fb.c
fbdev/au1100fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:46 +02:00
au1100fb.h
…
au1200fb.c
Merge tag 'drm-misc-next-2023-09-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-29 08:27:15 +10:00
au1200fb.h
…
broadsheetfb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
bt431.h
…
bt455.h
…
bw2.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
c2p.h
…
carminefb_regs.h
…
carminefb.c
fbdev/carminefb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
carminefb.h
…
cg3.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
cg6.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
cg14.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
chipsfb.c
fbdev/chipsfb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
cirrusfb.c
fbdev/cirrusfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:52 +02:00
clps711x-fb.c
fbdev: Remove FBINFO_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:38 +02:00
cobalt_lcdfb.c
fbdev/cobalt-lcd: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:56 +02:00
controlfb.c
fbdev/controlfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:54:59 +02:00
controlfb.h
…
cyber2000fb.c
fbdev/cyber2000fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:03 +02:00
cyber2000fb.h
…
da8xx-fb.c
fbdev/da8xx-fb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
dnfb.c
fbdev/dnfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:07 +02:00
edid.h
…
efifb.c
fbdev/efifb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
ep93xx-fb.c
fbdev/ep93xx-fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:10 +02:00
ffb.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
fm2fb.c
fbdev/fm2fb: Use fbdev I/O helpers
2023-08-04 15:54:35 +02:00
fsl-diu-fb.c
fbdev: fsl-diu-fb: mark wr_reg_wa() static
2023-11-10 09:16:02 +01:00
g364fb.c
fbdev/g364fb: fix build failure with mips
2023-09-02 08:18:40 -07:00
gbefb.c
fbdev/gbefb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:14 +02:00
goldfishfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
grvga.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
gxt4500.c
fbdev/gxt4500: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
hecubafb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
hgafb.c
fbdev/hgafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:17 +02:00
hitfb.c
fbdev/hitfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:23 +02:00
hpfb.c
fbdev/hpfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:27 +02:00
hyperv_fb.c
fbdev: hyperv_fb: fix uninitialized local variable use
2023-11-10 07:34:19 +01:00
i740_reg.h
…
i740fb.c
fbdev/i740fb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
imsttfb.c
fbdev: imsttfb: fix a resource leak in probe
2023-11-07 14:42:34 +01:00
imxfb.c
fbdev: imxfb: fix left margin setting
2024-01-25 15:45:08 -08:00
Kconfig
Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2023-11-03 15:44:25 -10:00
leo.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
macfb.c
fbdev/macfb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
macmodes.c
…
macmodes.h
…
Makefile
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
maxinefb.c
fbdev/maxinefb: Use fbdev I/O helpers
2023-08-04 15:54:36 +02:00
metronomefb.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
n411.c
…
neofb.c
fbdev/neofb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:55:48 +02:00
ocfb.c
fbdev/ocfb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
offb.c
fbdev: offb: Simplify offb_init_fb()
2023-11-07 14:42:34 +01:00
p9100.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
platinumfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
platinumfb.h
…
pm2fb.c
fbdev/pm2fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:00 +02:00
pm3fb.c
fbdev/pm3fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:04 +02:00
pmag-aa-fb.c
fbdev/pmag-aa-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pmag-ba-fb.c
fbdev/pmag-ba-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pmagb-b-fb.c
fbdev/pmagb-b-fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
ps3fb.c
fbdev/ps3fb: Build without kernel device
2023-08-03 16:08:14 +02:00
pvr2fb.c
fbdev/pvr2fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:08 +02:00
pxa3xx-gcu.c
fbdev: pxa3xx-gcu: Convert to platform remove callback returning void
2023-04-24 11:48:31 +02:00
pxa3xx-gcu.h
…
pxa3xx-regs.h
…
pxa168fb.c
fbdev/pxa168fb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pxa168fb.h
…
pxafb.c
fbdev/pxafb: Use fbdev I/O helpers
2023-08-04 15:54:37 +02:00
pxafb.h
…
q40fb.c
fbdev/q40fb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
s1d13xxxfb.c
fbdev/s1d13xxxfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:23 +02:00
s3c-fb.c
fbdev/s3cfb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
s3fb.c
fbdev/s3fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:27 +02:00
sa1100fb.c
Merge tag 'drm-misc-next-2023-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-10-31 10:47:50 +10:00
sa1100fb.h
…
sbuslib.c
fbdev: Explicitly include correct DT includes
2023-07-20 07:56:30 +02:00
sbuslib.h
fbdev/sbus: Add initializer macros and Kconfig tokens for SBUS support
2023-08-28 09:43:53 +02:00
sh7760fb.c
fbdev/sh7760fb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
sh_mobile_lcdcfb.c
fbdev: Remove FBINFO_FLAG_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:39 +02:00
sh_mobile_lcdcfb.h
…
simplefb.c
fbdev/simplefb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
skeletonfb.c
fbdev: Remove FBINFO_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:38 +02:00
sm501fb.c
fbdev/sm501fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:43 +02:00
sm712.h
…
sm712fb.c
fbdev/sm712fb: Use correct initializer macros for struct fb_ops
2024-01-25 15:44:59 -08:00
smscufx.c
fbdev/smscufx: Use fb_ops helpers for deferred I/O
2023-09-05 14:13:56 +02:00
ssd1307fb.c
fbdev: ssd1307fb: Use bool for ssd1307fb_deviceinfo flags
2023-09-01 00:29:34 +02:00
sstfb.c
fbdev/sstfb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
stifb.c
fbdev/stifb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:51 +02:00
sunxvr500.c
fbdev/sunxvr500: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:55 +02:00
sunxvr1000.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
sunxvr2500.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00
tcx.c
Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2023-09-22 16:28:36 +10:00
tdfxfb.c
fbdev/tdfxfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:56:59 +02:00
tgafb.c
fbdev/tgafb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:03 +02:00
tridentfb.c
fbdev/tridentfb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:07 +02:00
udlfb.c
fbdev/udlfb: Use fb_ops helpers for deferred I/O
2023-09-05 14:13:57 +02:00
uvesafb.c
fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb_exit()
2023-10-16 23:19:34 +02:00
valkyriefb.c
fbdev/valkyriefb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
valkyriefb.h
…
vesafb.c
fbdev/vesafb: Use fbdev I/O helpers
2023-08-04 15:54:38 +02:00
vfb.c
fbdev: Remove FBINFO_FLAG_DEFAULT from framebuffer_alloc()'ed structs
2023-07-24 16:50:39 +02:00
vga16fb.c
Merge tag 'tty-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2023-11-03 15:44:25 -10:00
vt8500lcdfb.c
fbdev: Remove FBINFO_DEFAULT from kzalloc()'ed structs
2023-07-24 16:50:38 +02:00
vt8500lcdfb.h
…
vt8623fb.c
fbdev/vt8623fb: Initialize fb_ops to fbdev I/O-memory helpers
2023-10-19 12:57:21 +02:00
wm8505fb_regs.h
…
wm8505fb.c
fbdev: Remove FBINFO_DEFAULT from devm_kzalloc()'ed structs
2023-07-24 16:50:38 +02:00
wmt_ge_rops.c
fbdev: Include <linux/io.h> in various drivers
2023-05-18 11:06:19 +02:00
wmt_ge_rops.h
…
xen-fbfront.c
fbdev: Align deferred I/O with naming of helpers
2023-07-31 20:07:24 +02:00
xilinxfb.c
BackMerge tag 'v6.5-rc7' into drm-next
2023-08-24 07:26:06 +10:00