Hi Javier,
On Fri, May 06, 2022 at 03:22:25PM +0200, Javier Martinez Canillas wrote:
> Commit d258d00fb9c7 ("fbdev: efifb: Cleanup fb_info in .fb_destroy rather
> than .remove") attempted to fix a use-after-free error due driver freeing
> the fb_info in the .remove handler instead of doing it in .fb_destroy.
>
> But ironically that change introduced yet another use-after-free since the
> fb_info was still used after the free.
>
> This should fix for good by freeing the fb_info at the end of the handler.
>
> Fixes: d258d00fb9c7 ("fbdev: efifb: Cleanup fb_info in .fb_destroy rather
> than .remove")
> Reported-by: Ville Syrjälä <[email protected]>
> Reported-by: Andrzej Hajda <[email protected]>
> Signed-off-by: Javier Martinez Canillas <[email protected]>
Reviewed-by: Andi Shyti <[email protected]>
Andi