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

[Nicolas Saenz Julienne]

On Wed, 2021-01-20 at 07:18 -0700, Simon Glass wrote:
> 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?

OK, do you want me to re-send the series?


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