[lvc-project] [PATCH 5.10 0/2] mm/truncate: fix issue in ext4_set_page_dirty()

[Roman Smirnov]

On Thu, 11 Jan 2024 19:13:04 +0300, Fedor Pchelkin wrote: 

> Please make sure that the patches you backport to 5.10 also exist in all
> fresher stables (5.15, 6.1, ...). Otherwise, it is a "kernel regression"
> when e.g. someone upgrades from 5.10 to 5.15 and the bug appears again
> because it wasn't backported to 5.15. The whole process is described here
> at [1].

Now I noticed that in 5.15 the patches were not carried over.

> In case of not obvious patches and changes, please first send patches to
> lvc-patches at linuxtesting.org before sending to lkml. It's always better
> when someone else cross-reviews the patches and points at potential
> mistypes, missing details, etc.

At this point should I send the patches to lvc-patches at linuxtesting.org?

> Also, as Matthew pointed out in lkml, in this case it's not obvious why
> these mm/truncate patches fix the ext4 problem reported by Syzkaller.
> These patches weren't originally intended to fix the ext4 bug (there is
> no bug report or similar in the commit descriptions). So some
> explanation is needed why they should fix that.

I have realized my mistake. Thanks for the reply. I will get to work on
the explanation now.