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 BD3D0C83F01 for ; Thu, 31 Aug 2023 00:31:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344921AbjHaAbi (ORCPT ); Wed, 30 Aug 2023 20:31:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234944AbjHaAbh (ORCPT ); Wed, 30 Aug 2023 20:31:37 -0400 Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD35FCCF for ; Wed, 30 Aug 2023 17:31:34 -0700 (PDT) Received: by mail-ot1-f71.google.com with SMTP id 46e09a7af769-6bdb30c45f6so471279a34.2 for ; Wed, 30 Aug 2023 17:31:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693441894; x=1694046694; 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=n+Ys1cwjPfgqv/vEsA4s7A+pElm5Cn9tj91Zioe86LI=; b=e/gOYIq0zVATP3WfdPcxKxEq0S98P8dB/Nt28dVhtMygHYhi6XDmwBQtYPTsUdHkZt 9dRAYAlOjAbFW6eY0lFARUOVGCPwJEd0Kru2J4P/tu+mIofzUhErq7N4mWJhvBhA/nOk XQJ3CT0odqL4pQDELcCvzdzQe72J/+TLVAXWeg9iX5YsoUSJ9zjj/VtB3O9Tp+ADhLhM Eg9gIGAua1MfFipRDoUfYGu3oys4zCM5GTiG7KVIN72aqGUvcoYBWKJFCPQN5PTNxdni SOict09uxhIXNqwJWyzrSs24KdJtJQFXB8fJovQdGQUNziGHLf4OBupozQvZ2pfPiBXh s42g== X-Gm-Message-State: AOJu0YyaYfA5xt0PqkYYxirc5qSsMUf/lfMWnOVVW9skjhOZCzq9SUoG aYlamhB4zkSnK2t6vsu4eC+ohiJSbQEb4GBZ7dMQq/iSMkqd X-Google-Smtp-Source: AGHT+IH/xFTz4XQxoutjF9VYd71vW+qQX2pv9ulRwbHgizHfCMrd72ah6dGGlmAvpkUjeFfrdGqRibIV1gy5WEuRRlQQHGWoS/Gy MIME-Version: 1.0 X-Received: by 2002:a9d:4d0e:0:b0:6b9:a422:9f with SMTP id n14-20020a9d4d0e000000b006b9a422009fmr374752otf.1.1693441894159; Wed, 30 Aug 2023 17:31:34 -0700 (PDT) Date: Wed, 30 Aug 2023 17:31:34 -0700 In-Reply-To: <0000000000009531dc0602016bb0@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008c9d5106042d2abb@google.com> Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in hdr_find_e (2) From: syzbot To: almaz.alexandrovich@paragon-software.com, astrajoan@yahoo.com, ivan.orlov0322@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, skhan@linuxfoundation.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@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=151f20a8680000 start commit: 4b954598a47b Merge tag 'exfat-for-6.5-rc5' of git://git.ke.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=171f20a8680000 console output: https://syzkaller.appspot.com/x/log.txt?x=131f20a8680000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4 dashboard link: https://syzkaller.appspot.com/bug?extid=60cf892fc31d1f4358fc syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11ee0aa6a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=100eaedea80000 Reported-by: syzbot+60cf892fc31d1f4358fc@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