From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 549CAC4167B for ; Fri, 8 Dec 2023 20:09:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234151AbjLHUJl (ORCPT ); Fri, 8 Dec 2023 15:09:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229913AbjLHUJk (ORCPT ); Fri, 8 Dec 2023 15:09:40 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 156E193 for ; Fri, 8 Dec 2023 12:09:47 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4DB23C433C8; Fri, 8 Dec 2023 20:09:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702066186; bh=I466eE+xnip8ZqtgQ6/GRHSwKNzyZEsjGJvnLC6k9wQ=; h=From:To:Cc:Subject:Date:From; b=BSwo5iz33TxP2TqUkqKmQ9lcSO1HjQ+d3tw8YtSKcJ1TaPvyQZlsNyObY+ecPIcKN E7KnoUXS9Pv6xHy96/kFaAgyJDg4v1Q0EHY8hf2b+xwILzeLr6C19UharPJRycQmBU sQoxdMaiAHTZFtMQORsO3/nFG2iMArTfANWP4DAnxoZ64eQFlAJOKkUBhIwp2aIn0W BX4IH6O1q+i4Wdg6o084hniXT9ydu5JDDPFC4e5TnjVH5tqHhmNhjq2cn/HLX4WBrL UGIxNqh2W19eL5xYFZ0sEmOyTE3582aaNJTgfPntbq++axNZQjtu01wX9O/0hhF7kj LV7aQNCxFK/Aw== From: SeongJae Park To: stable@vger.kernel.org Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, SeongJae Park Subject: Please merge commit 85c2ceaafbd3 ("mm/damon/sysfs: eliminate potential uninitialized variable warning") into >=5.19 stable trees Date: Fri, 8 Dec 2023 20:09:43 +0000 Message-Id: <20231208200943.64138-1-sj@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Please merge commit 85c2ceaafbd3 ("mm/damon/sysfs: eliminate potential uninitialized variable warning") to >=5.19 stable kernels. In 2023-10-31, I sent[1] a fix for v5.19. After a week, Dan found an issue in the fix and sent a fix. At that time, the commit that Dan was fixing was merged in the mm tree but not in the mainline. Hence, Dan didn't Cc stable@. However, now the broken fix[1] is merged in the mainline as commit 973233600676 ("mm/damon/sysfs: update monitoring target regions for online input commit"), and all >=5.19 stable trees. Hence Dan's fix should also applied to those trees. Please apply those. Note that the bug was only potential[3] due to unchecked return value. However, the unchecked return value was not an intentional behavior but a bug. Hence we further made the return value to be checked[4]. The return value check fix is also merged in the relevant stable trees, so the fix is now needed for a real bug. [1] https://lore.kernel.org/all/20231031170131.46972-1-sj@kernel.org/ [2] https://lore.kernel.org/all/739e6aaf-a634-4e33-98a8-16546379ec9f@moroto.mountain/ [3] https://lore.kernel.org/all/20231106165205.48264-1-sj@kernel.org/ [4] https://lore.kernel.org/all/20231106233408.51159-1-sj@kernel.org/ Thanks, SJ