On Thu, Sep 02, 2021 at 09:32:32AM +0800, Dongliang Mu wrote: > On Wed, Sep 1, 2021 at 2:20 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > > > On Tue, Aug 31, 2021 at 02:47:22PM +0800, Dongliang Mu wrote: > > > Hi stable maintainers, > > > > > > It seems that Linux kernel 4.19 and below miss the patch - "fbmem: add > > > margin check to fb_check_caps()" [1]. Linux kernel 5.4 and up is > > > already merged this patch[2]. > > > > > > Are there any special issues about this patch? Why do maintainers miss > > > such a patch? > > > > Because it does not apply to those older kernels. If you feel it should > > be included there, can you please provide a working backport of the > > patch so that we can apply it? > > Sure, I will do that. Which mailing list or maintainers should I send to? Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.