On Monday, November 13, 2017 10:45:46 AM Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > During console takeover, which happens for all DRM/KMS setups using the > fbdev helpers, fbcon_startup() is called before fbcon_init() and as a > result con2fb_acquire_newinfo() will not be called (info->fbcon_par was > set to non-NULL in fbcon_startup()) to assign ops->info. > > This causes the cursor_timer_handler() to unreference a NULL pointer. > > Avoid this by unconditionally assigning ops->info during fbcon_startup() > so that it will be available early, but keep the additional assignment > in con2fb_acquire_newinfo() to support console remapping at runtime. > > Cc: Kees Cook <keescook@xxxxxxxxxxxx> > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> Patch queued for 4.15, thanks. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
