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linux-stable/drivers/video/fbdev
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Roman Smirnov 664206ff8b fbmon: prevent division by zero in fb_videomode_from_videomode() 
[ Upstream commit c2d953276b ]

The expression htotal * vtotal can have a zero value on
overflow. It is necessary to prevent division by zero like in
fb_var_to_videomode().

Found by Linux Verification Center (linuxtesting.org) with Svace.

Signed-off-by: Roman Smirnov <r.smirnov@omp.ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-04-13 13:05:21 +02:00
..
aty fbdev: atyfb: only use ioremap_uc() on i386 and ia64 2023-11-08 14:10:58 +01:00
core fbmon: prevent division by zero in fb_videomode_from_videomode() 2024-04-13 13:05:21 +02:00
geode fbdev: lxfb: Fix potential divide by zero 2023-04-06 12:10:41 +02:00
i810 fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
intelfb fbdev: intelfb: Fix potential divide by zero 2023-04-06 12:10:41 +02:00
kyro fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
matrox fbdev: matroxfb: G200eW: Increase max memory from 1 MB to 16 MB 2023-01-12 12:02:44 +01:00
mb862xx fbdev: mb862xx: Fix check of return value from irq_of_parse_and_map() 2022-10-08 15:20:09 +02:00
mmp fbdev: mmp: fix value check in mmphw_probe() 2023-08-23 17:52:30 +02:00
nvidia fbdev: nvidia: Fix potential divide by zero 2023-04-06 12:10:41 +02:00
omap fbdev: omapfb: fix some error codes 2023-11-08 14:11:00 +01:00
omap2 fbdev: omapfb: avoid stack overflow warning 2023-01-24 07:24:32 +01:00
riva fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
savage fbdev: savage: Error out if pixclock equals zero 2024-03-01 13:26:25 +01:00
sis fbdev: sis: Error out if pixclock equals zero 2024-03-01 13:26:25 +01:00
vermilion fbdev: vermilion: decrease reference count in error path 2022-12-31 13:32:43 +01:00
via fbdev: viafb: fix typo in hw_bitblt_1 and hw_bitblt_2 2024-04-13 13:05:19 +02:00
68328fb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
Kconfig fbdev/sh7760fb: Depend on FB=y 2023-10-06 14:56:58 +02:00
Makefile ARM: omap1: move lcd_dma code into omapfb driver 2022-04-21 15:00:45 +02:00
acornfb.c video: fbdev: acornfb: remove free_unused_pages() 2021-02-24 13:38:31 -08:00
acornfb.h
…
amba-clcd.c video: fbdev: amba-clcd: Fix refcount leak bugs 2022-07-26 08:56:22 +02:00
amifb.c video: fbdev: amiga: Simplify amifb_pan_display() 2022-07-18 07:54:17 +02:00
arcfb.c fbdev: arcfb: Fix error handling in arcfb_probe() 2023-05-24 17:32:33 +01:00
arkfb.c fbdev: arkfb: Remove the unused function dac_read_reg() 2022-10-08 15:20:08 +02:00
asiliantfb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
atafb.c video: fbdev: atari: Remove backward bug-compatibility 2022-07-18 07:56:18 +02:00
atafb.h
…
atafb_iplan2p2.c
…
atafb_iplan2p4.c
…
atafb_iplan2p8.c
…
atafb_mfb.c
…
atafb_utils.h
…
atmel_lcdfb.c video: fbdev: atmel_lcdfb: fix an error code in atmel_lcdfb_probe() 2022-01-30 19:38:35 +01:00
au1100fb.c video: fbdev: au1100fb: Drop unnecessary NULL ptr check 2022-06-20 20:19:50 +02:00
au1100fb.h video: fbdev: au1100fb: Spelling s/palette/palette/ 2022-02-16 10:54:42 +01:00
au1200fb.c fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe 2023-07-27 08:50:45 +02:00
au1200fb.h
…
broadsheetfb.c fbdev: Use pageref offset for deferred-I/O writeback 2022-05-03 16:04:22 +02:00
bt431.h
…
bt455.h
…
bw2.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
c2p.h
…
c2p_core.h
…
c2p_iplan2.c
…
c2p_planar.c
…
carminefb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
carminefb.h
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carminefb_regs.h
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cg3.c video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode 2020-12-08 18:34:08 +01:00
cg6.c video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode 2020-12-08 18:34:08 +01:00
cg14.c
…
chipsfb.c fbdev: chipsfb: Fix error codes in chipsfb_pci_init() 2023-03-22 13:33:39 +01:00
cirrusfb.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
clps711x-fb.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
cobalt_lcdfb.c
…
controlfb.c fbdev: controlfb: Remove the unused function VAR_MATCH() 2022-10-08 15:20:08 +02:00
controlfb.h
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cyber2000fb.c fbdev: cyber2000fb: fix missing pci_disable_device() 2022-10-27 20:29:59 +02:00
cyber2000fb.h
…
da8xx-fb.c fbdev: da8xx-fb: Fix error handling in .remove() 2022-10-18 10:22:28 +02:00
dnfb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
edid.h
…
efifb.c Merge drm/drm-next into drm-misc-next 2022-06-20 18:21:25 +02:00
ep93xx-fb.c fbdev/ep93xx-fb: Do not assign to struct fb_info.dev 2023-09-19 12:27:56 +02:00
ffb.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
fm2fb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
fsl-diu-fb.c fbdev: fsl-diu-fb: mark wr_reg_wa() static 2023-11-20 11:52:18 +01:00
g364fb.c
…
gbefb.c fbdev: gbefb: Convert sysfs snprintf to sysfs_emit 2022-10-18 10:28:41 +02:00
goldfishfb.c video: fbdev: goldfishfb: Fix defined but not used warning 2020-12-08 18:34:50 +01:00
grvga.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
gxt4500.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
hecubafb.c fbdev: Rename pagelist to pagereflist for deferred I/O 2022-05-03 16:04:22 +02:00
hgafb.c video: hgafb: correctly handle card detect failure during probe 2021-05-21 15:04:05 +02:00
hitfb.c
…
hpfb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
hyperv_fb.c fbdev/hyperv-fb: Do not set struct fb_info.apertures 2023-08-23 17:52:28 +02:00
i740_reg.h
…
i740fb.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
imsttfb.c fbdev: imsttfb: fix double free in probe() 2024-01-10 17:10:29 +01:00
imxfb.c fbdev: imxfb: fix left margin setting 2024-01-25 15:27:38 -08:00
leo.c video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode 2020-12-08 18:34:08 +01:00
macfb.c video: fbdev: Replace HTTP links with HTTPS ones 2020-07-20 11:47:29 +02:00
macmodes.c
…
macmodes.h
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maxinefb.c
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metronomefb.c fbdev: Use pageref offset for deferred-I/O writeback 2022-05-03 16:04:22 +02:00
mx3fb.c dmaengine: imx: Move header to include/dma/ 2022-04-19 12:06:18 +01:00
n411.c
…
neofb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
ocfb.c video: fbdev: ocfb: add const to of_device_id 2022-01-29 22:24:25 +01:00
offb.c video: fbdev: offb: Include missing linux/platform_device.h 2022-07-28 16:22:12 +10:00
p9100.c video: fbdev: sparc drivers: fix kernel-doc warnings for blank_mode 2020-12-08 18:34:08 +01:00
platinumfb.c video: fbdev: aty/matrox/...: Prepare cleanup of powerpc's asm/prom.h 2022-04-04 08:55:23 +02:00
platinumfb.h
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pm2fb.c fbdev: pm2fb: fix missing pci_disable_device() 2022-12-31 13:32:43 +01:00
pm3fb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
pmag-aa-fb.c
…
pmag-ba-fb.c
…
pmagb-b-fb.c
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ps3fb.c powerpc/ps3: make system bus's remove and shutdown callbacks return void 2020-12-04 01:01:22 +11:00
pvr2fb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
pxa3xx-gcu.c video: fbdev: pxa3xx-gcu: Fix integer overflow in pxa3xx_gcu_write 2022-06-20 20:12:17 +02:00
pxa3xx-gcu.h
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pxa3xx-regs.h ARM: pxa: move regs-lcd.h into driver 2022-04-19 16:29:03 +02:00
pxa168fb.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
pxa168fb.h
…
pxafb.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
pxafb.h
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q40fb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
s1d13xxxfb.c video: fbdev: s1d13xxxfb: Fix kernel-doc and set but not used warnings 2020-11-29 22:51:07 +01:00
s3c-fb.c drm for 5.18-rc1 2022-03-24 16:19:43 -07:00
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
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s3fb.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
sa1100fb.c video: fbdev: sa1100fb: Remove unused sa1100fb_setup() 2022-07-18 07:54:18 +02:00
sa1100fb.h
…
sbuslib.c fbdev: sbuslib: remove compat_alloc_user_space usage 2020-09-25 16:34:50 +02:00
sbuslib.h
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sh7760fb.c
…
sh_mobile_lcdcfb.c fbdev: Use pageref offset for deferred-I/O writeback 2022-05-03 16:04:22 +02:00
sh_mobile_lcdcfb.h
…
simplefb.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
skeletonfb.c drm-misc-next for v6.1: 2022-09-06 10:56:04 +02:00
sm501fb.c fbdev: sm501fb: Convert sysfs snprintf to sysfs_emit 2022-10-18 10:22:28 +02:00
sm712.h
…
sm712fb.c fbdev: Remove conflicting devices on PCI bus 2022-07-19 13:19:11 +02:00
smscufx.c fbdev: smscufx: fix error handling code in ufx_usb_probe 2023-02-09 11:28:27 +01:00
ssd1307fb.c Merge tag 'v6.0-rc5' into i2c/for-mergewindow 2022-09-16 20:42:18 +01:00
sstfb.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
sticore.h fbdev: stifb: Make the STI next font pointer a 32-bit signed offset 2023-12-08 08:51:19 +01:00
stifb.c fbdev: stifb: Fix info entry in sti_struct on error path 2023-06-09 10:34:09 +02:00
sunxvr500.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
sunxvr1000.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
sunxvr2500.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
tcx.c fbdev: Move fbdev drivers from strlcpy to strscpy 2022-08-24 22:06:15 +02:00
tdfxfb.c drm pull for 6.1-rc1 2022-10-05 11:24:12 -07:00
tgafb.c fbdev: tgafb: Fix potential divide by zero 2023-04-06 12:10:40 +02:00
tmiofb.c
…
tridentfb.c fbdev: tridentfb: Fix missing pci_disable_device() in probe and remove 2022-10-08 15:20:09 +02:00
udlfb.c fbdev: udlfb: Fix endpoint check 2023-05-30 14:03:20 +01:00
uvesafb.c fbdev: uvesafb: Call cn_del_callback() at the end of uvesafb_exit() 2023-11-08 14:11:00 +01:00
valkyriefb.c video: fbdev: Make *fb_setup() and *fb_init() static 2022-07-18 07:54:20 +02:00
valkyriefb.h
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vesafb.c video: fbdev: vesafb: Fix a use-after-free due early fb_info cleanup 2022-05-28 19:26:56 +02:00
vfb.c
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vga16fb.c fbdev: vga16fb: Add missing MODULE_DEVICE_TABLE() entry 2022-10-08 15:20:09 +02:00
vt8500lcdfb.c
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vt8500lcdfb.h
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vt8623fb.c drm-misc-next for v6.1: 2022-09-06 10:56:04 +02:00
w100fb.c video: fbdev: w100fb: Reset global state 2022-01-29 22:24:26 +01:00
w100fb.h
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wm8505fb.c
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wm8505fb_regs.h
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wmt_ge_rops.c video: fbdev: wmt_ge_rops: Fix function not declared warnings 2020-12-08 18:34:36 +01:00
wmt_ge_rops.h
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xen-fbfront.c fbdev fixes and updates for kernel v5.19-rc1 2022-05-30 12:46:49 -07:00
xilinxfb.c fbdev: xilinxfb: Make xilinxfb_release() return void 2022-10-20 08:36:41 +02:00