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 E2F55C636CD for ; Sun, 5 Feb 2023 19:46:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229604AbjBETqV (ORCPT ); Sun, 5 Feb 2023 14:46:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38076 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229562AbjBETqT (ORCPT ); Sun, 5 Feb 2023 14:46:19 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5BE2199F2 for ; Sun, 5 Feb 2023 11:46:18 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id o10-20020a056e02102a00b003006328df7bso6828021ilj.17 for ; Sun, 05 Feb 2023 11:46:18 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=yyVpInRmcNvlIB5ckskfYghTIH0/4E9ydL9t6KxI9Oo=; b=4w+SwFo3suH/AfwN7oiAA7qjRWl9PNQKtUGmCN1tar/PQhwyThOQjrEoPadrQgJg2U i0fXIWaYZxZE3Frq/B/g7q0yfiinRwKEe8qPDLAz0/zSqJ5U9J1irqULcDiZXaN0jaZN rpXEsvzqsHtDAPoh14CRS1dlRIFyfSRZqNhvslv9/s30Na8FxuHa6YKMJGECHIuAWh7Z tbSkQktQf/yJKJF3KlvHK2m1jbKekOKm15TCkg7KpWS36jTqm8826PyVLU2G/wm8OTjC rKkiivY2oYahp7irGGdgoxaLbjNXylYcTrAUXSCvo2YMD2P1k4RSmZ0Q+JMktRQNiFnl 0gZg== X-Gm-Message-State: AO0yUKXy0XDWZvtowJboTWEJ+7HNdNMsCjQwXXOAmLJiwU5yrV0bYctA tKHzSKysqwwwRErnEKkwYxIWugu7+5uE/+2MCNfdWHfkea9s X-Google-Smtp-Source: AK7set+m/GB/TobA2eHc5fdm4Edu22FyaWsREpkFyjGb4IASdMtFte+baW25gpzfLu10/N6BmHOAVZ19d2JWqbP+FAzuqt7cMSK6 MIME-Version: 1.0 X-Received: by 2002:a05:6638:597:b0:39d:234a:8f18 with SMTP id a23-20020a056638059700b0039d234a8f18mr4461620jar.123.1675626377990; Sun, 05 Feb 2023 11:46:17 -0800 (PST) Date: Sun, 05 Feb 2023 11:46:17 -0800 In-Reply-To: <0000000000009a318805e6ff48a4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000009570005f3f92b86@google.com> Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in ni_find_attr From: syzbot To: almaz.alexandrovich@paragon-software.com, edward.lo@ambergroup.io, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 2681631c29739509eec59cc0b34e977bb04c6cf1 Author: Edward Lo Date: Sat Aug 6 17:05:18 2022 +0000 fs/ntfs3: Add null pointer check to attr_load_runs_vcn bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=110ad78d480000 start commit: b7b275e60bcd Linux 6.1-rc7 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=69d15cab6309bffae739 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b3fb9b880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101313bb880000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs/ntfs3: Add null pointer check to attr_load_runs_vcn For information about bisection process see: https://goo.gl/tpsmEJ#bisection