Re: [PATCH] MIPS: pgalloc: fix memory leak caused by pgd_free()

From: Thomas Bogendoerfer
Date: Tue Apr 05 2022 - 20:36:12 EST

On Tue, Apr 05, 2022 at 10:42:21AM +0100, Maciej W. Rozycki wrote:
> On Mon, 4 Apr 2022, Andrew Powers-Holmes wrote:
> > Would the best way to get this merged into 5.10/15 (and maybe .16 just
> > for good measure) be to email the stable team (since it's already in
> > Linus' tree)? Documentation/process/stable-kernel-rules seems to say
> > yes, but I'd like to avoid stepping on anyone's toes given that it's not
> > my patch.
> You seem the most severely affected so far, so why not act in your best
> interest? I think option #2 applies here and seems quite straightforward
> to follow, referring commit 2bc5bab9a763 and using your use case as the
> justification. It doesn't have to be the author to request a backport.
> NB I think it has to be backported to all the stable branches made since
> the original breakage; i.e. v5.9+ (I haven't kept track of what they are).

the fix has a Fixes tag so it will usually ported to stable/longterm kernels.
I already saw it in Greg's patch bombs.


Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]