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kernel_google_wahoo/drivers/rtc
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Sven Van Asbroeck e4163587c4 rtc: 88pm860x: prevent use-after-free on device remove 
[ Upstream commit f22b1ba15ee5785aa028384ebf77dd39e8e47b70 ]

The device's remove() attempts to shut down the delayed_work scheduled
on the kernel-global workqueue by calling flush_scheduled_work().

Unfortunately, flush_scheduled_work() does not prevent the delayed_work
from re-scheduling itself. The delayed_work might run after the device
has been removed, and touch the already de-allocated info structure.
This is a potential use-after-free.

Fix by calling cancel_delayed_work_sync() during remove(): this ensures
that the delayed work is properly cancelled, is no longer running, and
is not able to re-schedule itself.

This issue was detected with the help of Coccinelle.

Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-06-11 12:23:54 +02:00
..
class.c
rtc: switch to using is_visible() to control sysfs attributes
2015-09-05 13:19:07 +02:00
hctosys.c
rtc: hctosys: Add missing range error reporting
2018-11-21 09:27:44 +01:00
interface.c
rtc: ensure rtc_set_alarm fails when alarms are not supported
2018-08-06 16:24:30 +02:00
Kconfig
rtc: Add a driver for Micro Crystal RV8803
2015-11-08 14:12:32 +01:00
Makefile
rtc: Add a driver for Micro Crystal RV8803
2015-11-08 14:12:32 +01:00
rtc-88pm80x.c
rtc: 88pm80x: add device tree support
2015-09-05 13:19:05 +02:00
rtc-88pm860x.c
rtc: 88pm860x: prevent use-after-free on device remove
2019-06-11 12:23:54 +02:00
rtc-ab3100.c
drivers/rtc/ab3100: Update driver to address y2038/y2106 issues
2015-04-03 08:18:25 +02:00
rtc-ab8500.c
rtc: ab8500: remove misuse of IRQF_NO_SUSPEND flag
2015-11-08 14:12:25 +01:00
rtc-ab-b5ze-s3.c
rtc: Export OF module alias information in missing drivers
2015-09-05 13:19:08 +02:00
rtc-abx80x.c
rtc: abx80x: fix RTC write bit
2015-09-05 19:37:31 +02:00
rtc-armada38x.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-as3722.c
rtc: as3722: correct month value
2015-09-05 19:37:18 +02:00
rtc-at32ap700x.c
rtc: at32ap700x: update author email
2015-06-25 01:12:50 +02:00
rtc-at91rm9200.c
rtc: at91rm9200: clear RTC alarm status flag prior to suspending
2015-11-08 14:12:28 +01:00
rtc-at91rm9200.h
…
rtc-at91sam9.c
rtc: at91sam9: remove useless include
2015-09-05 13:19:13 +02:00
rtc-au1xxx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-bfin.c
rtc: Drop (un)likely before IS_ERR(_OR_NULL)
2015-09-05 13:19:09 +02:00
rtc-bq32k.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-bq4802.c
rtc: bq4802: add error handling for devm_ioremap
2018-09-26 08:35:09 +02:00
rtc-cmos.c
rtc: cmos: Do not assume irq 8 for rtc when there are no legacy irqs
2018-03-24 10:58:40 +01:00
rtc-coh901331.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-core.h
rtc: switch to using is_visible() to control sysfs attributes
2015-09-05 13:19:07 +02:00
rtc-da9052.c
drivers/rtc/rtc-da9052.c: register ability of alarm to wake device from suspend
2015-04-17 09:04:00 -04:00
rtc-da9055.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-da9063.c
rtc: da9063: set uie_unsupported when relevant
2019-05-16 19:45:01 +02:00
rtc-davinci.c
rtc: davinci: remove incorrect reference to probe function
2015-11-08 14:12:29 +01:00
rtc-dev.c
rtc: dev: properly manage lifetime of dev and cdev in rtc device
2015-09-05 13:19:07 +02:00
rtc-digicolor.c
rtc: driver for Conexant Digicolor CX92755 on-chip RTC
2015-04-17 09:04:01 -04:00
rtc-dm355evm.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1216.c
rtc: simplify use of devm_ioremap_resource
2015-06-25 01:13:40 +02:00
rtc-ds1286.c
rtc: simplify use of devm_ioremap_resource
2015-06-25 01:13:40 +02:00
rtc-ds1302.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds1305.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-ds1307.c
rtc: ds1307: fix alarm reading at probe time
2015-11-26 18:11:26 +01:00
rtc-ds1343.c
Merge tag 'rtc-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2015-11-10 10:01:21 -08:00
rtc-ds1347.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-ds1374.c
rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL
2018-03-24 10:58:46 +01:00
rtc-ds1390.c
Merge tag 'rtc-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2015-11-10 10:01:21 -08:00
rtc-ds1511.c
rtc: ds1511: clean up ds1511_nvram_read()/ds1511_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-ds1553.c
rtc: ds1553: clean up ds1553_nvram_read()/ds1553_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-ds1672.c
rtc: ds1672, max6900, max8998: Add MODULE_DEVICE_TABLE
2015-06-25 01:13:36 +02:00
rtc-ds1685.c
rtc: ds1685: passing bogus values to irq_restore
2016-05-04 14:48:51 -07:00
rtc-ds1742.c
rtc: ds1742: clean up ds1742_nvram_read()/ds1742_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-ds2404.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ds3232.c
rtc: ds3232: fix WARNING trace in resume function
2015-09-05 19:36:21 +02:00
rtc-ds3234.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-efi-platform.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
rtc-efi.c
rtc: efi: use correct EFI 'epoch'
2015-06-25 01:13:44 +02:00
rtc-em3027.c
drivers/rtc/rtc-em3027.c: add device tree support
2015-04-17 09:03:59 -04:00
rtc-ep93xx.c
rtc: ep93xx: Use readl/writel for io
2015-06-25 01:13:38 +02:00
rtc-fm3130.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-gemini.c
rtc: gemini: fix ptr_ret.cocci warnings
2015-09-05 13:19:09 +02:00
rtc-generic.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-hid-sensor-time.c
rtc: hid-sensor-time: Constify platform_device_id
2015-06-19 20:03:20 +02:00
rtc-hym8563.c
rtc: hym8563: fix invalid year calculation
2016-05-04 14:48:51 -07:00
rtc-imxdi.c
rtc: imxdi: when locked, do not fail silently
2015-06-19 20:03:21 +02:00
rtc-isl1208.c
rtc: isl1208: Pass the IRQF_ONESHOT flag
2015-11-08 14:12:30 +01:00
rtc-isl12022.c
rtc: Export OF module alias information in missing drivers
2015-09-05 13:19:08 +02:00
rtc-isl12057.c
rtc: isl12057: enable support for the standard "wakeup-source" property
2015-11-08 14:12:30 +01:00
rtc-jz4740.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-lib.c
rtc: Fix overflow when converting time64_t to rtc_time
2019-04-03 06:23:19 +02:00
rtc-lp8788.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-lpc24xx.c
rtc: add rtc-lpc24xx driver
2015-09-05 13:19:06 +02:00
rtc-lpc32xx.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ls1x.c
MIPS: Loongson: Naming style cleanup and rework
2015-06-21 21:53:59 +02:00
rtc-m41t80.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
rtc-m41t93.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-m41t94.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-m48t35.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-m48t59.c
rtc: m48t59: clean up m48t59_nvram_read()/m48t59_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-m48t86.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max6900.c
rtc: ds1672, max6900, max8998: Add MODULE_DEVICE_TABLE
2015-06-25 01:13:36 +02:00
rtc-max6902.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-max8907.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8925.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8997.c
rtc: Fix module autoload for rtc-{ab8500,max8997,s5m} drivers
2015-09-05 19:37:21 +02:00
rtc-max8998.c
rtc: ds1672, max6900, max8998: Add MODULE_DEVICE_TABLE
2015-06-25 01:13:36 +02:00
rtc-max77686.c
rtc: max77686: Properly handle regmap_irq_get_virq() error code
2016-05-04 14:48:52 -07:00
rtc-max77802.c
rtc: max77802: Report platform modalias to fix module autoload
2015-06-25 01:13:37 +02:00
rtc-mc13xxx.c
rtc: mc13xxx: fix obfuscated and wrong format string
2015-06-25 01:13:35 +02:00
rtc-mcp795.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-moxart.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mpc5121.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mrst.c
rtc: remove use of seq_printf return value
2015-04-15 16:35:24 -07:00
rtc-msm6242.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
rtc-mt6397.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mv.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mxc.c
rtc: mxc: add support of device tree
2015-08-05 20:03:56 +08:00
rtc-nuc900.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-omap.c
rtc: omap: Fix selecting external osc
2016-11-26 09:54:53 +01:00
rtc-opal.c
rtc: opal: Handle disabled TPO in opal_get_tpo_time()
2018-04-13 19:50:15 +02:00
rtc-palmas.c
rtc: palmas: Initialise bb_charging flag before using it
2015-06-25 01:13:40 +02:00
rtc-pcap.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pcf2123.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-pcf2127.c
rtc: pcf2127: remove useless driver version
2015-11-08 14:12:28 +01:00
rtc-pcf8523.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-pcf8563.c
rtc: pcf8563: fix output clock rate
2017-12-20 10:04:57 +01:00
rtc-pcf8583.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-pcf50633.c
…
rtc-pcf85063.c
rtc: pcf85063: return an error when date is invalid
2015-11-08 14:12:26 +01:00
rtc-pl030.c
drivers/rtc/rtc-pl030.c: use devm_kzalloc() instead of kmalloc()
2013-11-13 12:09:31 +09:00
rtc-pl031.c
rtc: pl031: make interrupt optional
2017-12-25 14:22:14 +01:00
rtc-pm8xxx.c
Merge branch 'platform/remove_owner' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into driver-core-next
2014-11-03 19:53:56 -08:00
rtc-proc.c
…
rtc-ps3.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-puv3.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pxa.c
rtc: sa1100/pxa: convert to run-time register mapping
2015-09-05 19:37:16 +02:00
rtc-r9701.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-rc5t583.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-rk808.c
rtc: rk808: Compensate for Rockchip calendar deviation on November 31st
2015-12-20 13:39:00 +01:00
rtc-rp5c01.c
rtc: rp5c01: clean up rp5c01_nvram_read()/rp5c01_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-rs5c313.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-rs5c348.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-rs5c372.c
drivers/rtc/rtc-rs5c372.c: use %*ph to dump small buffers
2014-10-14 02:18:19 +02:00
rtc-rv3029c2.c
drivers/rtc/rtc-rv3029c2.c: fix potential race condition
2014-04-03 16:21:24 -07:00
rtc-rv8803.c
rtc: Add a driver for Micro Crystal RV8803
2015-11-08 14:12:32 +01:00
rtc-rx4581.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-rx8025.c
rtc: rx8025: remove rv8803 id
2016-05-04 14:48:52 -07:00
rtc-rx8581.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-s3c.c
rtc: s3c: Add s3c_rtc_{enable/disable}_clk in s3c_rtc_setfreq()
2016-08-20 18:09:27 +02:00
rtc-s3c.h
…
rtc-s5m.c
rtc: Fix module autoload for rtc-{ab8500,max8997,s5m} drivers
2015-09-05 19:37:21 +02:00
rtc-s35390a.c
rtc: s35390a: improve irq handling
2017-04-08 09:53:32 +02:00
rtc-sa1100.c
rtc: sa1100/pxa: convert to run-time register mapping
2015-09-05 19:37:16 +02:00
rtc-sa1100.h
rtc: sa1100/pxa: convert to run-time register mapping
2015-09-05 19:37:16 +02:00
rtc-sh.c
rtc: sh: Fix invalid alarm warning for non-enabled alarm
2019-05-16 19:45:00 +02:00
rtc-sirfsoc.c
rtc: sirfsoc: move to regmap APIs from platform-specific APIs
2015-09-05 13:19:06 +02:00
rtc-snvs.c
rtc: snvs: Add timeouts to avoid kernel lockups
2018-12-21 14:09:53 +01:00
rtc-spear.c
rtc: simplify use of devm_ioremap_resource
2015-06-25 01:13:40 +02:00
rtc-st-lpc.c
rtc: st: Update IP layout information to include Clocksource
2015-07-23 17:07:35 +01:00
rtc-starfire.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-stk17ta8.c
rtc: stk17ta8: clean up stk17ta8_nvram_read()/stk17ta8_nvram_write()
2015-09-05 13:19:10 +02:00
rtc-stmp3xxx.c
rtc: stmp3xxx: unify register access macros
2015-11-08 14:12:27 +01:00
rtc-sun4v.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-sun6i.c
rtc: sun6i: Switch to the external oscillator
2017-03-12 06:37:30 +01:00
rtc-sunxi.c
rtc: sunxi: Replace deprecated rtc_tm_to_time()
2015-06-25 01:13:42 +02:00
rtc-sysfs.c
rtc: switch to using is_visible() to control sysfs attributes
2015-09-05 13:19:07 +02:00
rtc-tegra.c
rtc: tegra: Implement clock handling
2017-04-21 09:30:07 +02:00
rtc-test.c
drivers/rtc/test: Update driver to address y2038/y2106 issues
2015-04-03 08:18:24 +02:00
rtc-tile.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps6586x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps65910.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps80031.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-twl.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
rtc-tx4939.c
rtc: tx4939: avoid unintended sign extension on a 24 bit shift
2018-05-30 07:49:14 +02:00
rtc-v3020.c
rtc: rtc-v3020: use gpio_request_array()
2015-06-25 01:13:38 +02:00
rtc-vr41xx.c
rtc: vr41xx: Wire up alarm_irq_enable
2016-05-04 14:48:51 -07:00
rtc-vt8500.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-wm831x.c
…
rtc-wm8350.c
…
rtc-x1205.c
drivers/rtc/rtc-x1205.c: use sign_extend32() for sign extension
2015-04-17 09:03:59 -04:00
rtc-xgene.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-zynqmp.c
rtc: add xilinx zynqmp rtc driver
2015-09-05 19:37:19 +02:00
systohc.c
rtc: NTP: Add CONFIG_RTC_SYSTOHC_DEVICE for NTP synchronization
2015-06-25 01:13:42 +02:00