On Tue, Mar 05, 2024 at 07:38:42PM +0100, Oscar Salvador wrote:
> But they point out to
>
> commit 4bedfb314bdd85c1662ecc46fa25b33b998f994d (HEAD, bisection)
> Author: Oscar Salvador <osalvador@xxxxxxx>
> Date: Thu Feb 15 22:59:03 2024 +0100
>
> mm,page_owner: maintain own list of stack_records structs
>
> which the only thing it does is to retrieve the stack_record for
> {dummy,failure}.handle and increment their refcount and link them.
> I am pretty sure the problem comes from either dummy_handle or
> failure_handle being 0 and the stack_record we get is NULL.
Yes, jfyi: I "artificially" reproduced this by making
dummy_handle explicitly = 0 again.
And I see that KASAN points to the same location.
I am kind of surprised stackdepot ran out of space that early, but I
guess we cannot take anything for granted.
I am alrady working on a fixup to now blow up here.
--
Oscar Salvador
SUSE Labs
