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alistair23-linux/arch/m68k
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Fuqian Huang 7cf78b6b12 m68k: q40: Fix info-leak in rtc_ioctl 
When the option is RTC_PLL_GET, pll will be copied to userland
via copy_to_user. pll is initialized using mach_get_rtc_pll indirect
call and mach_get_rtc_pll is only assigned with function
q40_get_rtc_pll in arch/m68k/q40/config.c.
In function q40_get_rtc_pll, the field pll_ctrl is not initialized.
This will leak uninitialized stack content to userland.
Fix this by zeroing the uninitialized field.

Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Link: https://lore.kernel.org/r/20190927121544.7650-1-huangfq.daxian@gmail.com
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
 		2019-10-21 09:08:15 +02:00
..
68000 m68k: Fix off-by-one calendar month 2018-05-22 10:31:50 +02:00
amiga treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
apollo treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
atari m68k: atari: Rename shifter to shifter_st to avoid conflict 2019-08-19 13:24:10 +02:00
bvme6000 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
coldfire m68k: coldfire: Include the GPIO driver header 2019-09-09 09:32:32 +10:00
configs m68k: defconfig: Update defconfigs for v5.3-rc2 2019-08-19 13:24:10 +02:00
emu treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
fpsp040 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hp300 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ifpsp060 scripts/spelling.txt: add regsiter -> register spelling mistake 2017-05-08 17:15:13 -07:00
include mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
kernel dma-mapping updates for 5.4: 2019-09-19 13:27:23 -07:00
lib treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mac m68k: mac: Revisit floppy disc controller base addresses 2019-08-19 13:24:10 +02:00
math-emu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 74 2019-05-24 17:36:47 +02:00
mm signal: Remove the task parameter from force_sig_fault 2019-05-29 09:31:43 -05:00
mvme16x treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
mvme147 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
q40 m68k: q40: Fix info-leak in rtc_ioctl 2019-10-21 09:08:15 +02:00
sun3 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
sun3x treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
tools/amiga License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig Kbuild updates for v5.4 2019-09-20 08:36:47 -07:00
Kconfig.bus pcmcia: allow PCMCIA support independent of the architecture 2018-11-23 11:46:00 +09:00
Kconfig.cpu PCI: consolidate PCI config entry in drivers/pci 2018-11-23 11:45:34 +09:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Kconfig.devices License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig.machine m68k: Dispatch nvram_ops calls to Atari or Mac functions 2019-01-22 10:21:45 +01:00
Makefile kbuild: rebuild modules when module linker scripts are updated 2019-08-21 21:05:21 +09:00
install.sh kbuild: use INSTALLKERNEL to select customized installkernel script 2009-09-20 12:18:14 +02:00