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 7C741C433F5 for ; Mon, 21 Mar 2022 11:30:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346770AbiCULbp (ORCPT ); Mon, 21 Mar 2022 07:31:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238787AbiCULbm (ORCPT ); Mon, 21 Mar 2022 07:31:42 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF5CD8CCD7 for ; Mon, 21 Mar 2022 04:30:17 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id x6-20020a923006000000b002bea39c3974so7200777ile.12 for ; Mon, 21 Mar 2022 04:30:17 -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=KzjEr1+hgr7MD8f5jMgWlmnsK+QjCzm3jdhixdqeWiQ=; b=DEFUEIBC3mqUz099AsjKzii57/Qil2374XkOs6+rViG8ydll+apJkWXWEcG9WG1PKC TuiA569SvTjeytmpHm3JAIWtbzcr2tESza/CvMgWl8vIxmI37qsG9dfpwBLIH3p4d7cK 9eUpjiWH45f/MbFHPgbrMPNLeWuv1qc8x/Vu7u0JU9woozjDFlUpeKHWC6EVSkbg84cv SyY7WtIbmNE9ktwtIHIRykR6k3opBQ+awdQSyaW4UM7f1jHfbIDcM4soS44ejXR6aqoQ A9XfPOma+RoSlokzZkCT6uWL4mD0h5ZgmLl3ISiEJxX9pibY1Qx+NH5QDzhE8DWf5xtq E1CQ== X-Gm-Message-State: AOAM532KCtbpkbXJz9Go6dZK1l7kmPNtbEoXO6fPxb6p6dYEF2bMXOhg jo6uJijg4118zpsob25AgE3pcGy4eywRzttErLZ3DIOkerbW X-Google-Smtp-Source: ABdhPJwKgCVVTdt4W9/iVfVl5OsXXuwQJWx3S7OTU2lBM+evmsJ1LsZ4MA3J0y4LZy6mS5L5evR2MgLqTVnR9v0P/DxGJGeAotVP MIME-Version: 1.0 X-Received: by 2002:a05:6e02:190f:b0:2c6:74aa:cc73 with SMTP id w15-20020a056e02190f00b002c674aacc73mr9040021ilu.29.1647862217200; Mon, 21 Mar 2022 04:30:17 -0700 (PDT) Date: Mon, 21 Mar 2022 04:30:17 -0700 In-Reply-To: <1003460.1647861598@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000018652f05dab8d297@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" 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: 733021c6 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.