On Tue, Aug 25, 2020 at 1:43 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> I wrote:
> > For our archives' sake: today I got seemingly-automated mail informing me
> > that this patch has been merged into the 4.19-stable, 5.4-stable,
> > 5.7-stable, and 5.8-stable kernel branches; but not 4.4-stable,
> > 4.9-stable, or 4.14-stable, because it failed to apply.
>
> And this morning's mail brought news that the latter three branches
> are now patched as well. So I guess at this point it's down to
> platform vendors as to whether or how fast they absorb such changes.
Today I upgraded a Debian buster box and saw a new kernel image roll
in. Lo and behold:
$ zgrep 'stack expansion'
/usr/share/doc/linux-image-4.19.0-11-amd64/changelog.gz
- [powerpc*] Allow 4224 bytes of stack expansion for the signal frame