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[23.128.96.19]) by mx.google.com with ESMTPS id e12-20020a65678c000000b003816043f005si14758064pgr.506.2022.03.21.15.35.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Mar 2022 15:35:14 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id AC66E2F38A; Mon, 21 Mar 2022 14:48:00 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345313AbiCUIfo (ORCPT + 99 others); Mon, 21 Mar 2022 04:35:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345329AbiCUIfj (ORCPT ); Mon, 21 Mar 2022 04:35:39 -0400 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB0CA54BD0 for ; Mon, 21 Mar 2022 01:34:06 -0700 (PDT) Received: by mail-il1-f200.google.com with SMTP id z15-20020a92d6cf000000b002c811796c23so1490242ilp.3 for ; Mon, 21 Mar 2022 01:34:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=cV92yiiOpOi4XT7qrWpuZxHTA42G2oLn7srnjUjjDSM=; b=euB5a2NSQb6f+8oPUvJjJi0PiaOxmb/r14Uoa2b4X3UTA3j0kc1FMmEG13GDdMhRKJ /ax7dFCES4RxdPKis6egdeKy5ZTg/eeVcLD02iHT7im3RPo1OF1/ypHeftM7L36U6QLx pInAAjHqFl5rMaWCXFx7FVpojlTyVXYsU3J3VqHASnI9NUTPeahf/fn/nGZrHW2t1ua/ DQmWfGwGCIJ1Vlo+VsDX97/pFlziRF2lJWrQwKiIUHmu2Eo3wmJAtf55G3xfxFiMNXCg L63qmoJpT9kE1PSc6jFMWKdHWoV+pi9u3enhOInnAji/YuQlug0POJ75tJcnux3T48uB xSLA== X-Gm-Message-State: AOAM532XLSjC3DAFiZYHIzGsmtN4l4CIOuKlM6TnHnTR3iyGs/wEll2n ocYRB1iwaj2RQ1xm7XVJjDYLwTHOWAxzwAkI5/oPg/9xn/qL MIME-Version: 1.0 X-Received: by 2002:a05:6638:3051:b0:317:8a78:7be5 with SMTP id u17-20020a056638305100b003178a787be5mr9895967jak.142.1647851645964; Mon, 21 Mar 2022 01:34:05 -0700 (PDT) Date: Mon, 21 Mar 2022 01:34:05 -0700 In-Reply-To: <970502.1647851062@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000015ed05dab65cac@google.com> Subject: Re: [syzbot] KASAN: null-ptr-deref Read in __free_pages From: syzbot To: christophe.jaillet@wanadoo.fr, dhowells@redhat.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+d55757faa9b80590767b@syzkaller.appspotmail.com Tested on: commit: 6d39b096 watch_queue: Fix NULL dereference in error cl.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git kernel config: https://syzkaller.appspot.com/x/.config?x=19ca6f72fd444749 dashboard link: https://syzkaller.appspot.com/bug?extid=d55757faa9b80590767b compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.