Hi Biju, On Wed, Jan 12, 2022 at 6:46 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote: > Increase buff size for compatible variable to avoid stack corruption > with RZ/G2L SoC's(renesas,du-r9a07g044l) which requires a buff size > more than the current allocated size. > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> Thanks for your patch! > --- a/drivers/gpu/drm/rcar-du/rcar_du_of.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of.c > @@ -200,7 +200,7 @@ static void __init rcar_du_of_lvds_patch(const struct of_device_id *of_ids) > struct device_node *lvds_node; > struct device_node *soc_node; > struct device_node *du_node; > - char compatible[22]; > + char compatible[24]; > const char *soc_name; > unsigned int i; > int ret; What about changing the code to use kasprintf() instead, to prevent this from ever happening again? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds