Tzung-Bi Shih ebea2e1650 platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl ...

[ Upstream commit b20cf3f89c ]

It is possible to peep kernel page's data by providing larger `insize`
in struct cros_ec_command[1] when invoking EC host commands.

Fix it by using zeroed memory.

[1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74

Fixes: eda2e30c66 ("mfd / platform: cros_ec: Miscellaneous character device to talk with the EC")
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20230324010658.1082361-1-tzungbi@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-03-30 12:47:50 +02:00

..

wilco_ec

platform/chrome: wilco_ec: convert stream-like files from nonseekable_open -> stream_open

2021-03-30 18:25:22 +02:00

chromeos_laptop.c

platform/chrome: fix double-free in chromeos_laptop_prepare()

2022-10-26 12:34:52 +02:00

chromeos_pstore.c

Merge tag 'tag-chrome-platform-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

2020-06-04 10:54:45 -07:00

chromeos_tbmc.c

platform/chrome: chromeos_tbmc: Report wake events

2019-09-12 16:01:35 +02:00

cros_ec_chardev.c

platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl

2023-03-30 12:47:50 +02:00

cros_ec_debugfs.c

platform/chrome: cros_ec_debugfs: detach log reader wq from devm

2022-05-25 09:57:26 +02:00

cros_ec_i2c.c

platform/chrome: cros_ec_i2c: Appease the kernel-doc deity

2020-05-04 14:01:45 -07:00

cros_ec_ishtp.c

HID: intel-ish-hid: Make remove callback return void

2021-03-08 17:16:03 +01:00

cros_ec_lightbar.c

platform/chrome: Constify static attribute_group structs

2021-01-20 16:19:17 +01:00

cros_ec_lpc_mec.c

platform/chrome: cros_ec_lpc: Use DEFINE_MUTEX() for mutex lock

2021-04-21 10:00:30 +02:00

cros_ec_lpc_mec.h

platform/chrome: cros_ec: Remove cros_ec dependency in lpc_mec

2019-02-11 10:07:40 +01:00

cros_ec_lpc.c

platform/chrome: cros_ec: Match implementation with headers

2020-02-03 17:14:50 +01:00

cros_ec_proto.c

platform/chrome: cros_ec_proto: Update version on GET_NEXT_EVENT failure

2022-10-26 12:34:21 +02:00

cros_ec_rpmsg.c

platform/chrome: cros_ec: Call interrupt bottom half in ISH or RPMSG mode

2021-01-22 08:50:27 +01:00

cros_ec_sensorhub_ring.c

platform: chrome: Split trace include file

2022-04-08 14:24:07 +02:00

cros_ec_sensorhub_trace.h

platform: chrome: Split trace include file

2022-04-08 14:24:07 +02:00

cros_ec_sensorhub.c

platform/chrome: cros_ec_sensorhub: Allocate sensorhub resource before claiming sensors

2020-04-29 23:17:45 +02:00

cros_ec_spi.c

platform/chrome: cros_ec_spi: Drop bits_per_word assignment

2020-12-09 16:52:09 +00:00

cros_ec_sysfs.c

platform/chrome: cros_ec_sysfs: Add cold-ap-off to sysfs reboot.

2021-01-20 16:19:17 +01:00

cros_ec_trace.c

platform/chrome: cros_ec: Add command for regulator control.

2020-06-15 22:40:14 +01:00

cros_ec_trace.h

platform: chrome: Split trace include file

2022-04-08 14:24:07 +02:00

cros_ec_typec.c

platform/chrome: cros_ec_typec: zero out stale pointers

2022-12-31 13:14:05 +01:00

cros_ec_vbc.c

platform/chrome: Constify static attribute_group structs

2021-01-20 16:19:17 +01:00

cros_ec.c

platform/chrome: cros_ec: Notify the PM of wake events during resume

2022-10-26 12:35:40 +02:00

cros_ec.h

platform/chrome: cros_ec: Call interrupt bottom half in ISH or RPMSG mode

2021-01-22 08:50:27 +01:00

cros_kbd_led_backlight.c

platform/chrome: cros_kbd_led_backlight: switch to SPDX identifier

2019-02-01 10:13:06 +01:00

cros_usbpd_logger.c

platform/chrome: cros_usbpd_logger: Add __printf annotation to append_str()

2020-05-04 14:02:01 -07:00

cros_usbpd_notify.c

platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()

2022-12-31 13:14:02 +01:00

Kconfig

platform/chrome: Kconfig: Remove the transitional MFD_CROS_EC config

2020-09-04 09:30:04 +02:00

Makefile

platform: chrome: Split trace include file

2022-04-08 14:24:07 +02:00