The series is separated from v3 to lessen the burden on the subsequent revocable work per suggestion in https://lore.kernel.org/all/CAMRc=MfQumD1ULx7yU4W2sx=35wyqf7-v4tsf44oqeu3jdb...@mail.gmail.com/.
The series is based on v7.0-rc1 and applies after https://lore.kernel.org/all/[email protected]. --- v4: - Separate the first 6 patches from v3. v3: https://lore.kernel.org/all/[email protected] Tzung-Bi Shih (6): gpio: Access `gpio_bus_type` in gpiochip_setup_dev() gpio: Remove redundant check for struct gpio_chip gpio: sysfs: Remove redundant check for struct gpio_chip gpio: Ensure struct gpio_chip for gpiochip_setup_dev() gpio: cdev: Don't check struct gpio_chip in gpio_chrdev_open() selftests: gpio: Add gpio-cdev-uaf tests drivers/gpio/gpiolib-cdev.c | 20 +- drivers/gpio/gpiolib-cdev.h | 2 +- drivers/gpio/gpiolib-sysfs.c | 32 +- drivers/gpio/gpiolib-sysfs.h | 8 +- drivers/gpio/gpiolib.c | 46 +-- tools/testing/selftests/gpio/Makefile | 5 +- tools/testing/selftests/gpio/gpio-cdev-uaf.c | 292 ++++++++++++++++++ tools/testing/selftests/gpio/gpio-cdev-uaf.sh | 63 ++++ 8 files changed, 402 insertions(+), 66 deletions(-) create mode 100644 tools/testing/selftests/gpio/gpio-cdev-uaf.c create mode 100755 tools/testing/selftests/gpio/gpio-cdev-uaf.sh -- 2.51.0
