OpenCloudOS-Kernel/drivers/platform/chrome
Tzung-Bi Shih b20cf3f89c platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl
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
2023-03-24 10:56:28 +08:00
..
wilco_ec platform/chrome: use sysfs_emit() instead of scnprintf() 2022-12-26 11:14:34 +08:00
Kconfig platform/chrome: cros_ec_typec: Alter module name with hyphens 2023-01-09 20:32:53 +00:00
Makefile platform/chrome: cros_ec_typec: Add initial VDM support 2023-01-09 20:32:53 +00:00
chromeos_acpi.c platform/chrome: Add ChromeOS ACPI device driver 2022-05-13 19:42:30 +08:00
chromeos_laptop.c platform/chrome: fix double-free in chromeos_laptop_prepare() 2022-08-22 06:56:45 +00:00
chromeos_privacy_screen.c ACPI: make remove callback of ACPI driver void 2022-11-23 19:11:22 +01:00
chromeos_pstore.c chrome platform changes for 5.8 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.c platform/chrome: cros_ec: Use per-device lockdep key 2023-01-13 09:30:50 +08:00
cros_ec.h platform/chrome: cros_ec: Make cros_ec_unregister() return void 2022-02-09 13:00:43 +00:00
cros_ec_chardev.c platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl 2023-03-24 10:56:28 +08:00
cros_ec_debugfs.c platform/chrome: fix kernel-doc warnings for panic notifier 2023-01-13 09:30:49 +08:00
cros_ec_i2c.c platform/chrome: cros_ec: Convert to i2c's .probe_new() 2022-11-19 14:44:46 +08:00
cros_ec_ishtp.c platform/chrome: correct cros_ec_prepare_tx() usage 2022-05-16 10:01:51 +08:00
cros_ec_lightbar.c platform/chrome: use sysfs_emit() instead of scnprintf() 2022-12-26 11:14:34 +08:00
cros_ec_lpc.c platform/chrome: cros_ec_lpc: initialize the buf variable 2023-01-11 11:27:56 +08:00
cros_ec_lpc_mec.c platform/chrome: cros_ec_lpc_mec: remove cros_ec_lpc_mec_destroy() 2022-11-01 10:33:02 +08:00
cros_ec_lpc_mec.h platform/chrome: cros_ec_lpc_mec: remove cros_ec_lpc_mec_destroy() 2022-11-01 10:33:02 +08:00
cros_ec_proto.c platform/chrome: cros_ec_proto: Update version on GET_NEXT_EVENT failure 2022-08-15 03:24:49 +00:00
cros_ec_proto_test.c platform/chrome: cros_ec_proto: remove big stub objects from stack 2023-01-18 10:57:56 +08:00
cros_ec_rpmsg.c platform/chrome: correct cros_ec_prepare_tx() usage 2022-05-16 10:01:51 +08:00
cros_ec_sensorhub.c platform/chrome: cros_ec_sensorhub: simplify getting .driver_data 2021-09-27 09:18:58 +02:00
cros_ec_sensorhub_ring.c platform: chrome: Split trace include file 2022-03-31 16:56:29 -07:00
cros_ec_sensorhub_trace.h platform: chrome: Split trace include file 2022-03-31 16:56:29 -07:00
cros_ec_spi.c platform/chrome: cros_ec_spi: Set PROBE_PREFER_ASYNCHRONOUS 2022-11-02 12:28:47 +08:00
cros_ec_sysfs.c platform/chrome: use sysfs_emit_at() instead of scnprintf() 2022-12-26 16:14:53 +08:00
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: use macros for passthru indexes 2022-06-10 02:31:42 +00:00
cros_ec_typec.c platform/chrome: cros_ec_typec: Fix spelling mistake 2023-02-08 18:21:03 +00:00
cros_ec_typec.h platform/chrome: cros_ec_typec: Move structs to header 2023-01-09 20:32:53 +00:00
cros_ec_uart.c platform/chrome: cros_ec_uart: fix negative type promoted to high 2023-01-18 10:57:51 +08:00
cros_ec_vbc.c platform/chrome: Constify static attribute_group structs 2021-01-20 16:19:17 +01:00
cros_hps_i2c.c platform/chrome: cros_hps_i2c: make remove callback return void 2022-10-19 09:52:08 +08:00
cros_kbd_led_backlight.c platform/chrome: cros_kbd_led_backlight: fix build warning 2022-07-20 01:22:59 +00:00
cros_kunit_util.c platform/chrome: cros_kunit_util: add default value for `msg->result` 2022-07-21 08:49:28 +00:00
cros_kunit_util.h platform/chrome: cros_kunit_util: add default value for `msg->result` 2022-07-21 08:49:28 +00:00
cros_typec_switch.c platform/chrome: cros_typec_switch: Check for retimer flag 2023-01-10 20:47:32 +00:00
cros_typec_vdm.c platform/chrome: cros_typec_vdm: Add Attention support 2023-01-31 18:12:18 +00:00
cros_typec_vdm.h platform/chrome: cros_typec_vdm: Add Attention support 2023-01-31 18:12:18 +00:00
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() 2022-11-25 08:28:28 +00:00