Re: [PATCH] gpio: Fix kernel stack leak to userspace

[Arnd Bergmann <arnd@xxxxxxxx>]

On Mon, Jan 22, 2018 at 1:21 PM, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> The GPIO event descriptor was leaking kernel stack to
> userspace because we don't zero the variable before
> use. Ooops. Fix this.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Cc: Bartosz Golaszewski <brgl@xxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
>  drivers/gpio/gpiolib.c | 3 +++
>  1 file changed, 3 insertions(+)

Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
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