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v5.4.119
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Phillip Potter 4928d3b020 fbdev: zero-fill colormap in fbcmap.c 
commit 19ab233989 upstream.

Use kzalloc() rather than kmalloc() for the dynamically allocated parts
of the colormap in fb_alloc_cmap_gfp, to prevent a leak of random kernel
data to userspace under certain circumstances.

Fixes a KMSAN-found infoleak bug reported by syzbot at:
https://syzkaller.appspot.com/bug?id=741578659feabd108ad9e06696f0c1f2e69c4b6e

Reported-by: syzbot+47fa9c9c648b765305b9@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210331220719.1499743-1-phil@philpotter.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-11 14:04:04 +02:00
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aty
video: fbdev: radeon: Fix memleak in radeonfb_pci_register
2020-10-29 09:57:38 +01:00
core
fbdev: zero-fill colormap in fbcmap.c
2021-05-11 14:04:04 +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 11:26:45 +02:00
riva
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savage
video: fbdev: savage: fix memory leak on error handling path in probe
2020-08-19 08:16:00 +02:00
sis
video: fbdev: sis: fix null ptr dereference
2020-10-29 09:57:38 +01:00
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.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
video: fbdev: atmel_lcdfb: fix return error code in atmel_lcdfb_of_init()
2020-12-30 11:51:08 +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
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cirrusfb.c
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clps711x-fb.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 10:41:04 +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
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hitfb.c
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hpfb.c
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hyperv_fb.c
video: hyperv_fb: Fix the mmap() regression for v5.4.y and older
2021-01-12 20:16:17 +01:00
i740_reg.h
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i740fb.c
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imsttfb.c
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imxfb.c
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Kconfig
fbdev: aty: SPARC64 requires FB_ATY_CT
2021-03-04 10:26:18 +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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n411.c
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neofb.c
video: fbdev: neofb: fix memory leak in neo_scan_monitor()
2020-08-19 08:16:00 +02:00
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
fbmem: pull fbcon_update_vcs() out of fb_set_var()
2020-09-03 11:27:09 +02:00
pvr2fb.c
video: fbdev: pvr2fb: initialize variables
2020-11-05 11:43:15 +01:00
pxa3xx-gcu.c
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pxa3xx-gcu.h
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pxa168fb.c
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pxa168fb.h
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pxafb.c
video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call
2020-08-19 08:16:06 +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
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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
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sm712fb.c
video: fbdev: sm712fb: fix an issue about iounmap for a wrong address
2020-08-19 08:16:06 +02:00
smscufx.c
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ssd1307fb.c
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sstfb.c
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sticore.h
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stifb.c
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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 memory leak in dlfb_usb_probe
2021-03-07 12:20:42 +01:00
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: vga16fb: fix setting of pixclock because a pass-by-value error
2020-10-29 09:57:38 +01:00
vt8500lcdfb.c
video: vt8500lcdfb: fix fallthrough warning
2020-06-17 16:40:33 +02:00
vt8500lcdfb.h
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vt8623fb.c
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w100fb.c
video: fbdev: w100fb: Fix a potential double free.
2020-06-17 16:40:33 +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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