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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id a10-20020a170902900a00b00153b2d164efsi11611431plp.247.2022.03.21.15.17.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Mar 2022 15:17:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 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 B28B43754F2; Mon, 21 Mar 2022 14:35:00 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343914AbiCUAij (ORCPT + 99 others); Sun, 20 Mar 2022 20:38:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232714AbiCUAih (ORCPT ); Sun, 20 Mar 2022 20:38:37 -0400 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59AB011DD31 for ; Sun, 20 Mar 2022 17:37:13 -0700 (PDT) Received: by mail-io1-f70.google.com with SMTP id s14-20020a0566022bce00b00645e9bc9773so9564251iov.20 for ; Sun, 20 Mar 2022 17:37:13 -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=zgQUKqyjG4aGGBf8aCK0jtXa3zTm/bs6XHOzG16Y64g=; b=hJYuLJgpUT21SF0DeLEmlOh+CAqSUym+leeo96pjLcJEVKy/jNVp/8Md+AogDsdJfM wq9lYY8pe+WKdE5dLi+6XFbkeYE8QN7S2dwrWoAZ/ZZR63rHCXZJ7Z2IF11CxK5MBBiU KK9OMQcLvOg+YK0mBRPoryQyMVnoDAlQBkNFzfPwWEYCcIH+DdyBJuCKEYkqxiQMJgNM c+6EJmRidefh8AsjdCchk82iSgphPy/LhIP+VxrX2vlOokQ+l9rXu1uoSph27oNa83ai y+XWK6twUL16fGfb/wA34QoMqJy4Mz9y44o4YosZ+Hnn73i/u6imUfuSPIWI3SlYSpyo p9oQ== X-Gm-Message-State: AOAM530/ADkkSJy5ItpjURxq+bvJQO2RAdnva0KVeaeRwbVHZkB+HRKy 9WZweNr5CkCFSBcfSDyaCQLaXWYCqcRFkV54nNHDpaExu6WW MIME-Version: 1.0 X-Received: by 2002:a02:85e2:0:b0:317:2edb:46cb with SMTP id d89-20020a0285e2000000b003172edb46cbmr8963902jai.118.1647823032735; Sun, 20 Mar 2022 17:37:12 -0700 (PDT) Date: Sun, 20 Mar 2022 17:37:12 -0700 In-Reply-To: <1821968.CQOukoFCf9@leap> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000084e0cf05daafb25f@google.com> Subject: Re: [syzbot] KASAN: null-ptr-deref Read in __free_pages From: syzbot To: christophe.jaillet@wanadoo.fr, dhowells@redhat.com, fmdefrancesco@gmail.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: f443e374 Linux 5.17 git tree: upstream 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 patch: https://syzkaller.appspot.com/x/patch.diff?x=15ec554d700000 Note: testing is done by a robot and is best-effort only.