| commit | c5845e025423b02235489f154903b8befabebb02 | [log] [tgz] |
|---|---|---|
| author | Linus Walleij <linus.walleij@linaro.org> | Mon Jan 22 13:19:28 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Sat Feb 03 17:38:48 2018 +0100 |
| tree | d0f6f44e0e019495862d641c7d579b0c3c6a8921 | |
| parent | 460c5b9745b8b455be5591b1179e89a8bdcb1afd [diff] |
gpio: Fix kernel stack leak to userspace commit 24bd3efc9d1efb5f756a7c6f807a36ddb6adc671 upstream. The GPIO event descriptor was leaking kernel stack to userspace because we don't zero the variable before use. Ooops. Fix this. Reported-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>