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[2620:137:e000::1:20]) by mx.google.com with ESMTP id o12-20020a170906974c00b0073d581b0906si8501111ejy.278.2022.08.29.17.09.37; Mon, 29 Aug 2022 17:10:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229504AbiH2XaX (ORCPT + 99 others); Mon, 29 Aug 2022 19:30:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229488AbiH2XaV (ORCPT ); Mon, 29 Aug 2022 19:30:21 -0400 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DCF75925C for ; Mon, 29 Aug 2022 16:30:20 -0700 (PDT) Received: by mail-io1-f72.google.com with SMTP id a21-20020a5d9815000000b006882e9be20aso5566518iol.17 for ; Mon, 29 Aug 2022 16:30:20 -0700 (PDT) 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; bh=2YEU8MGiYyA7ikKAvgdFuLoxWCy3ALSR6+S8uCZED4Q=; b=Yo99CuMlinTSu4y3B4oaOiN7Q7jeqO4R/Ru6Tm/0+CnckWG9zuMElXSUXUe3tGyURb KIvTpwagGIHcOv/MBWMGQW6tYahnBaya79SDwl+9JMvGDjHU7PV3wYg51Tkub/oeWR2S h7jyTFzf9xp9q6qB9+5K9bFkYsUE4XiN9iudL1y6c3zi/3i1Zd0m+Gcai8PThy/+ERq/ OlD0J4aBObbixLk4C6M1C5r/ZSMs32e/5MHmI/7XOLBh6A2Wps7HhKyQFfD3xk1MMi8h xESLNKYUfjcO8GJn36p0+Hm6HSRoDsQDjsM96ZMH7kUQ2DaMIMwQ6vbNWe3pxTJ0AIfI tS+g== X-Gm-Message-State: ACgBeo3fi1wfHIDGnQ43AkKEt+4Rj/VHRbuuW5Tr4EKnJayxGO/kk+P2 wX2LadXmeXD5ooMdrlncMofsy50BMWIIQASDaU7sZFxuBlUT MIME-Version: 1.0 X-Received: by 2002:a05:6638:371f:b0:349:cfb0:89a9 with SMTP id k31-20020a056638371f00b00349cfb089a9mr11317806jav.151.1661815819682; Mon, 29 Aug 2022 16:30:19 -0700 (PDT) Date: Mon, 29 Aug 2022 16:30:19 -0700 In-Reply-To: <0000000000009a318805e6ff48a4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009d4ad705e769a5c3@google.com> Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in ni_find_attr From: syzbot To: almaz.alexandrovich@paragon-software.com, 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" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, SPF_HELO_NONE,SPF_PASS,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 syzbot has bisected this issue to: commit 6e5be40d32fb1907285277c02e74493ed43d77fe Author: Konstantin Komarov Date: Fri Aug 13 14:21:30 2021 +0000 fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1458787d080000 start commit: 8379c0b31fbc Merge tag 'for-6.0-rc3-tag' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1658787d080000 console output: https://syzkaller.appspot.com/x/log.txt?x=1258787d080000 kernel config: https://syzkaller.appspot.com/x/.config?x=911efaff115942bb dashboard link: https://syzkaller.appspot.com/bug?extid=69d15cab6309bffae739 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110d306d080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17409333080000 Reported-by: syzbot+69d15cab6309bffae739@syzkaller.appspotmail.com Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile") For information about bisection process see: https://goo.gl/tpsmEJ#bisection