From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794050476; b=wV43J2AaTRMdNnpYgNdZ0wWI31Md8ljTP+uWN+5fu8AwSkU3L+X8IRB8sMFL0q/Iy4g6 V7ZjWr+e6IaX57HqbXq8yuW89m9KiesBwFOqeJlwf96tFwKexyw1/w41Xa1rTvmDQkXIt nZOVTsqV/TSQHuDBAOykupukhhtNlHRG7L2YSUFls3cJtcUrLfcylYCtereGE2vjVaIeT /+613uOls+aVoQoGnF6ol7VjseIaK+7WXu0ZWs6jXma0xagIOmfGKGsyq8wt8LK5J/H5r NNCzwqgaljll9/XOFWuTG8p/ZwFEic6ZeW8c5RcCItPcLAQyPqDfoefgG9KQt/UwRJg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794050476; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding; bh=J96n+MmgXQ8ruM2J5XeBTDCkwGs/hgQcBui/qLT0OLY=; b=kBwOBcyoWW12zmulIYHiYVO84UZjWLb8TANDQX0PemUTenuZ9zEOqRxtQj/OWyO/GWR4 CgLAMKq363Z+wwWE9QoJmYxraPGCshEBXT6g32v2WA96vubHZUvsTuWgts6AD15edds+z jxytRX8K0d4lxfRQL2zZyCfC2IdpXQkaXr+EYGPBwpkWRk15K/j7I1XUfAlxWIDv9vTjI b4LP04Kkgt4v6boaORCAk0HQgJqXbB7bzytxEwrM85cvAsh5+udiYJh143ih8T3hKR5GQ TVDC/nzEzvZKG9WcUBbPUDebXtc97Znui1nk599XtC3xW9at8PGYWqqX9f8do/6+nmg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=XvKzWnk4; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BBE25606A326 for ; Sat, 7 Nov 2026 11:21:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=XvKzWnk4 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E30B71F0089F; Sat, 7 Nov 2026 11:21:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794050475; bh=J96n+MmgXQ8ruM2J5XeBTDCkwGs/hgQcBui/qLT0OLY=; h=From:To:Cc:Subject:Date; b=XvKzWnk4ojNfEE1oK+O1UPUZkkl+FkOlc8X6Zp1Wvb0X/0KmOmnmqwNxjEH1b1VqZ R5J56iWnrLv6gO6VpooJ0bR/Lc9uVWLjOEelLPSPPJJipyOc6bCI1Ypcfc2XWZlFQ3 h39dBv1QAlu+3CAJU4ADg014LT5mcKQcCWbplBBLN4mo9dzTPXFymnAC3xF3b+An3E QwBfc1qvj1Qn3Vmaay9tTKvcH77J0Ep+Bd2A7voQM6kIeXR0fqWstojbLDomS2wphu o6Vbkyx4SbeYgt7bJYroYG6tAeQdhYp1YYHL+pQOd4S8OgSLs/NbOYt8po+/oymFUf Bzaxd2ocYu+0g== From: Sasha Levin To: sj@kernel.org, akpm@linux-foundation.org, brendan.higgins@linux.dev, davidgow@davidgow.net, usamaarif642@gmail.com Cc: stable@vger.kernel.org Subject: FAILED: patch "[PATCH] mm/damon/core: disallow max < min damos filter range arguments commit" failed to apply to 5.10-stable tree Date: Sat, 7 Nov 2026 06:21:13 -0500 Message-ID: <20261107062113-failed-5.10-1bfb9384ae0e@kernel.org> X-Mailer: git-send-email 2.53.0 X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 1bfb9384ae0ed52d61eb601b655014b7815ff849 # git commit -s git send-email --to '' --in-reply-to '20261107062113-failed-5.10-1bfb9384ae0e@kernel.org' --subject-prefix 'PATCH 5.10.y' 'HEAD^..' Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From 1bfb9384ae0ed52d61eb601b655014b7815ff849 Mon Sep 17 00:00:00 2001 From: SJ Park Date: Mon, 14 Sep 2026 07:23:21 -0700 Subject: [PATCH] mm/damon/core: disallow max < min damos filter range arguments commit damos_commit_filter_arg() receives range arguments for a few types of DAMOS filters. It allows any range including max < min range. It is fine for the logic, but makes no sense to support it. Actually DAMON sysfs interface is doing the validation on its own. To avoid duplicated validations in multiple DAMON API callers, it would be better to do the validation in the core layer. Add a validation of the given range. Link: https://lore.kernel.org/20260914142327.92510-5-sj@kernel.org Signed-off-by: SJ Park Signed-off-by: Andrew Morton Cc: Brendan Higgins Cc: David Gow Cc: Usama Arif Cc: --- mm/damon/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/mm/damon/core.c b/mm/damon/core.c index 1932a50252079..5fdacb9dcee5f 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1325,15 +1325,21 @@ static int damos_commit_filter_arg( dst->memcg_id = src->memcg_id; break; case DAMOS_FILTER_TYPE_ADDR: + if (src->addr_range.end < src->addr_range.start) + return -EINVAL; dst->addr_range = src->addr_range; break; case DAMOS_FILTER_TYPE_TARGET: dst->target_idx = src->target_idx; break; case DAMOS_FILTER_TYPE_HUGEPAGE_SIZE: + if (src->sz_range.max < src->sz_range.min) + return -EINVAL; dst->sz_range = src->sz_range; break; case DAMOS_FILTER_TYPE_PROBE_HITS_WSUM: + if (src->range_max < src->range_min) + return -EINVAL; dst->range_min = src->range_min; dst->range_max = src->range_max; break; -- 2.53.0