From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF82F1E7646 for ; Wed, 2 Oct 2024 11:25:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727868342; cv=none; b=bxuN2fblUURI9bR9V4HC0I/hbM5U+8f43C49JFl3Zkg2jJUxxNJD3jsQ8DS/GHZqdXHXKBlqx8AvbGNbSUa8hNPk93mFDW05LiFOk8pBfTIQ6OSMTbtTiQcQq8aGjPEwxYj1Hs7PoKzS7smFuzlNPdKd1jVpaQhOG5PBYKd3j24= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727868342; c=relaxed/simple; bh=+ji33y/UBdQo/trFXUgL/SbYVLsbILvrrYA7MxlKHsg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dxcjZj+zzAul+FqlZ24IlprM1XqfKXW0lizbPywqlnkUYOM+JDlaLihEkD1n2uhwRfwsRGnt03FyoR9DnPtTtc55NueLfFIVNRgCJy6IICikA93/g9YWmg1aOuoZIHAYMcKaEaUPZLecQxxueZDSRGvcKngoENV+ZrgMgdUYMz4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=xJp7kVRu; arc=none smtp.client-ip=209.85.221.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="xJp7kVRu" Received: by mail-wr1-f44.google.com with SMTP id ffacd0b85a97d-37ccd81de57so481183f8f.0 for ; Wed, 02 Oct 2024 04:25:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1727868339; x=1728473139; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Zh/Ib6nbjDZdX/dSTD6KdOyTsxvhc9sc4GJADx2Wx10=; b=xJp7kVRuO/bVg8QrGMlhM3hEfAHWP9nzanG8lNKu0xrzgOnE+05kLNxAS/+oDPa7+c AYwoucM9XKC+8viMqLE8GHuRFQ8gKBfEOjBNyLzGggzY3b+Yx8aWxt1WnVcDcuhdG/le AbW00e5vRqkZEcugBb/Q3GvXeRuhdLQAPloC9865IxTI9F9BsFTPC8cz9t+OsnSY03Be No9NxOmE7tq4yQuyvq/7w3WunhLRd31R3HFGMDEWv/5+ehqiruT0VIyOb03h5NxUbvpu 97pz26lWAnTHHLDaa3wkahVEMDI8fHlG1YrWRD/EHYVLj5D8V9eobWZUuHHo+ZSsOhie BS8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727868339; x=1728473139; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Zh/Ib6nbjDZdX/dSTD6KdOyTsxvhc9sc4GJADx2Wx10=; b=o9soNBELDSqKvqs7s/KBLVIiraL4leFzbunZZisU8HWYu7Bi+qiea16AeS2TlDKGGu 8hW2Tc0Ht04e7r44J9JEMTU1hfvyUbcpneoMbGi4iGmUIlAN51mRNXunAPpXohe8SlPt 8kkT12piLnt9zbpX9nbRDoiAzvhB4nmMFvEHvADnmKnNMJzHU4bc7SkUJtuTmz0bSo5c oo0cqCUSQAEqiDAD625u87D1GBkxsk+J3IYXNFlF8GDdklckzezQqj9VuPh/uXrjqgvD 8FQ95F6axeiODdYq1oB1HL0Wv3bPRDopaQrGiWIMnPQbWI75GkaHRWF2U0gG3j+jVbmE v1BQ== X-Gm-Message-State: AOJu0Yyjt9RgOBItoCZwvyyBx0BLt++lgfvtP7UAVsTQGZQ237I0MXkq eZZc5cQ8zYdNlEMNsQldSK0P43z1FgISb2NwWz8Vr8xtjrDQfDg2W3gCX+yfgQY= X-Google-Smtp-Source: AGHT+IGHSAfjhltaRCpdcuYThLNf3RBIpXaHC0k14SaD4k7m6OtQWT5Y8bq23oOSq9qN+wlcJZFodw== X-Received: by 2002:a5d:59ac:0:b0:374:badf:3017 with SMTP id ffacd0b85a97d-37cfba36371mr1270807f8f.33.1727868339227; Wed, 02 Oct 2024 04:25:39 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cfe30a3b4sm1145917f8f.13.2024.10.02.04.25.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2024 04:25:38 -0700 (PDT) Date: Wed, 2 Oct 2024 14:25:34 +0300 From: Dan Carpenter To: Naresh Kamboju , Kairui Song Cc: open list , lkft-triage@lists.linaro.org, Linux Regressions , linux-mm , Andrew Morton , Arnd Bergmann , Anders Roxell Subject: Re: next-20241001: WARNING: at mm/list_lru.c:77 list_lru_del (mm/list_lru.c:212 mm/list_lru.c:200) Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 02, 2024 at 02:24:20PM +0300, Dan Carpenter wrote: > Let's add Kairui Song to the CC list. > > One simple thing is that we should add a READ_ONCE() to the comparison. Naresh, > could you test the attached diff? I don't know that it will fix it but it's > worth checking the easy stuff first. > Actually that's not right. Let me write a different patch. regards, dan carpenter