R_SPF_ALLOW(-0.20)[+ptr:yahoo.com];
	MIME_GOOD(-0.10)[text/plain];
	RCVD_TLS_LAST(0.00)[];
	FROM_HAS_DN(0.00)[];
	ARC_NA(0.00)[];
	MIME_TRACE(0.00)[0:+];
	DWL_DNSWL_NONE(0.00)[yahoo.com:dkim];
	TO_DN_EQ_ADDR_SOME(0.00)[];
	FREEMAIL_FROM(0.00)[yahoo.com];
	TO_DN_SOME(0.00)[];
	DKIM_TRACE(0.00)[yahoo.com:+];
	RCVD_VIA_SMTP_AUTH(0.00)[];
	RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.68.31:from];
	TO_MATCH_ENVRCPT_SOME(0.00)[];
	RCVD_COUNT_TWO(0.00)[2];
	FROM_EQ_ENVFROM(0.00)[];
	FREEMAIL_ENVFROM(0.00)[yahoo.com];
	MLMMJ_DEST(0.00)[freebsd-arm@freebsd.org];
	RCPT_COUNT_SEVEN(0.00)[7];
	MID_RHS_MATCH_FROM(0.00)[];
	APPLE_MAILER_COMMON(0.00)[];
	RCVD_IN_DNSWL_NONE(0.00)[98.137.68.31:from]
X-Rspamd-Queue-Id: 4dFZH92X7sz3Fbj

Konstantin Belousov <kib_at_FreeBSD.org> wrote on
Date: Mon, 24 Nov 2025 18:09:09 UTC :

> The branch main has been updated by kib:
>=20
> URL: =
https://cgit.FreeBSD.org/src/commit/?id=3D72a447d0bc768c7fe8a9c972f710c75a=
febd581b
>=20
> commit 72a447d0bc768c7fe8a9c972f710c75afebd581b
> Author:     Konstantin Belousov <kib@FreeBSD.org>
> AuthorDate: 2025-11-22 20:39:27 +0000
> Commit:     Konstantin Belousov <kib@FreeBSD.org>
> CommitDate: 2025-11-24 18:08:31 +0000
>=20
>     vm_object_page_remove(): clear pager even if there is no resident =
pages
>    =20
>     Swap pager might still carry the data.
>    =20
>     Debugging help from:    mmel
>     Reviewed by:    alc
>     Sponsored by:   The FreeBSD Foundation
>     MFC after:      1 week
>     Differential revision:  https://reviews.freebsd.org/D53891
> ---
>  sys/vm/vm_object.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>=20
> diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c
> index 5b4517d2bf0c..413ba5459e3d 100644
> --- a/sys/vm/vm_object.c
> +++ b/sys/vm/vm_object.c
> @@ -1988,7 +1988,7 @@ vm_object_page_remove(vm_object_t object, =
vm_pindex_t start, vm_pindex_t end,
>  	    (options & (OBJPR_CLEANONLY | OBJPR_NOTMAPPED)) =3D=3D =
OBJPR_NOTMAPPED,
>  	    ("vm_object_page_remove: illegal options for object %p", =
object));
>  	if (object->resident_page_count =3D=3D 0)
> -		return;
> +		goto remove_pager;
>  	vm_object_pip_add(object, 1);
>  	vm_page_iter_limit_init(&pages, object, end);
>  again:
> @@ -2061,6 +2061,7 @@ wired:
>  	}
>  	vm_object_pip_wakeup(object);
> =20
> +remove_pager:
>  	vm_pager_freespace(object, start, (end =3D=3D 0 ? object->size : =
end) -
>  	    start);
>  }


There is still some question about which way another test should
be in vm_object_coalesce. But the above should be necessary,
even if it is not always sufficient to prevent all potential
failure types.

See https://reviews.freebsd.org/D53891 for the status of what
may be a pending additional change.


=3D=3D=3D
Mark Millard
marklmi at yahoo.com