Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93C004398F5; Thu, 17 Sep 2026 18:55:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789671323; cv=none; b=gE/gntmeo8pcsi7QORegXMoU1vg0VR3aCVDxPmrrps5Tx/jW1aRp63BxKUB7i6coYtp+7jqlE0qbKGXeR5RlOZm9R8LUxuIi4S9n+ZVjmJRE+3iyWIqxHkFzAIwQznaSXmD2eFgzU62T2p2W4607oqTDC0RWls9sCuvavjaiKXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789671323; c=relaxed/simple; bh=yPysgLz6FRsB08DZKf02mx2tAlk/hBIG/FhQ6hCRWmU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AhQTMVveBzQt249+K71PlkLv6dZe9HmI2TDVCGxsSvtINHobSzdK8hHF1WFpVHppQlE+lsSG4ptHcsD78zAVavwiB8RE89V22+O8YtrfXpsl9pkIurS/p8jNeVXZaN60u+2bsqnkGI4vuJd+LIcjiDiXwBXGrJrQ5HnHGBYgXuE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nt0LWwyc; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nt0LWwyc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5CB51F000FF; Thu, 17 Sep 2026 18:55:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789671322; bh=s2MaMJMigmIYiQ1Q6h/dn4qyVUAppS2W5gTJI1EVsUs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=nt0LWwycDrLhNiyssXz8SHGtf0uq00egFNYoVqhU9zM9EmNEAta4/nwtPuZ+XuMXO agoEIwJx0GyHItm9sumGQuYueLuK1sK+PQYwvhOzTnb+lI7CFqxGmX+ewPcnaL5T21 oLw6HlHSlqayihi5slMTSpAoA7xQSGnzo6DmNSBc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sasha Levin Subject: [PATCH 6.12 0939/1102] Revert "slab: reset slab->obj_ext when freeing and it is OBJEXTS_ALLOC_FAIL" Date: Thu, 17 Sep 2026 16:14:42 +0100 Message-ID: <20260917151604.218949329@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151539.408551884@linuxfoundation.org> References: <20260917151539.408551884@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ This reverts commit 13c6ff1d4662f28701f80120b15c32b6b3db4bd9. Signed-off-by: Sasha Levin --- mm/slub.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 9087fd9a83b72..e2634fe919f67 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2161,15 +2161,8 @@ alloc_tagging_slab_free_hook(struct kmem_cache *s, struct slab *slab, void **p, return; obj_exts = slab_obj_exts(slab); - if (!obj_exts) { - /* - * If obj_exts allocation failed, slab->obj_exts is set to - * OBJEXTS_ALLOC_FAIL. In this case, we end up here and should - * clear the flag. - */ - slab->obj_exts = 0; + if (!obj_exts) return; - } for (i = 0; i < objects; i++) { unsigned int off = obj_to_index(s, slab, p[i]); -- 2.53.0