[PATCH 0/2] Console/stdio use after free

[Simon Glass]

Hi Nicolas,

On Wed, 20 Jan 2021 at 07:04, Nicolas Saenz Julienne
<nsaenzjulienne at suse.de> wrote:
>
> With today's master, 70c2525c0d3c ('IOMUX: Stop dropped consoles')
> introduces a use after free in usb_kbd_remove():
>
> - usbkbd's stdio device is de-registered with stdio_deregister_dev(),
>   the struct stdio_dev is freed.
>
> - iomux_doenv() is called, usbkbd removed from the console list, and
>   console_stop() is called on the struct stdio_dev pointer that no
>   longer exists.
>
> This series mitigates this by making sure the pointer is really a stdio
> device prior performing the stop operation. It's not ideal, but I
> couldn't figure out a nicer way to fix this.

Your 'from' address is coming through as just your email. Could you
please update it to include your name as well?

Regards,
Simon