From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vk1-f171.google.com (mail-vk1-f171.google.com [209.85.221.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2A53D2F47 for ; Mon, 6 Feb 2023 10:10:11 +0000 (UTC) Received: by mail-vk1-f171.google.com with SMTP id q76so5843239vkb.4 for ; Mon, 06 Feb 2023 02:10:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=9sQMrFnmMENqVwum3WBrvUwEv6xbguvnHSWE1XksF40=; b=QckFQSxzR3wuDfcrAnpGUJK+a1QzLkCX1PebBrZjfM1SvG+AtHmttCDanhj4GQbDPb lJINsJ53yGWTG3k4bVqpSJe6Ww+LtGv7Mjl82fAmihoxVCaeOZluanWWzgB67iwCoOwD dnAPOy0/Juojy/zOT4zq+hTzR4RxUzkOSxmXSgEuuNzo+9UgN74KtcLDripWzQkk9G+P KgAY7POG0FMUcLeIWCujtFlvB+R2xLqKHAm3nvK9fNsk9532m8dP++tOrW/Ic13morpY xHWHVSDMDAT6hiddExqsasfhg0cXy7jDrRQWDkQOcSkfaPqAVzonAGT11hE9FvdgzbsE wztw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9sQMrFnmMENqVwum3WBrvUwEv6xbguvnHSWE1XksF40=; b=rSL52hv4xbnUB9kVqLk2XKguc7ll0kH2z1Q+sIeVXo5Q2xlutv8eCgBFlIFltlrlD1 I1AFKYziNmIFtS6eEFLvb1SJ8hWC8M9x/cjqi+GvMp7UqBc4ziAqn4Hwubb8Hhcjj/Dz NMiTI8ZTJcmgKWAi+vlg/oV5QkX9bFTRitfCK4B+AQ5hmPm0TsmyutBHG9tvWFQGH6wP QWjjLza42RIsONY9W6I3AgITA4pLA8/NpM67hlxoOWwEmelpRsKpWub+BmLnpOMJp6h2 07llRfBzjOrcGI1IaPgILcHNv35ueTUTPkmSkPNk6bT26E3jG5pa1CzxLu9WxRk7vgGK eoOA== X-Gm-Message-State: AO0yUKUQndBMvVQ36V8PHyX4AFHtPb1QUMeY6KHLheYsnqzuMjIpZHob RqLxUz1sqkazcJ0VAVR326j3SCSYlks9gzLoxDcXoA== X-Google-Smtp-Source: AK7set+IO7RGPUC8CK4qGlVLQF1uUvlP2D0BSP38Ka5fcymFzCVWNn/4LzVaurjDtuT+h4aBkUZL4o2ZeqRedf8r0LA= X-Received: by 2002:a1f:98c5:0:b0:3f5:ef5e:ff80 with SMTP id a188-20020a1f98c5000000b003f5ef5eff80mr989627vke.10.1675678209951; Mon, 06 Feb 2023 02:10:09 -0800 (PST) Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <000000000000f61bdf05e79a7c5c@google.com> <00000000000067d34605f3e029f7@google.com> In-Reply-To: <00000000000067d34605f3e029f7@google.com> From: Aleksandr Nogikh Date: Mon, 6 Feb 2023 11:09:57 +0100 Message-ID: Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel paging request in mi_enum_attr To: syzbot Cc: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" On Sat, Feb 4, 2023 at 2:56 PM syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit 0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b > Author: Konstantin Komarov > Date: Mon Oct 10 10:15:33 2022 +0000 > > fs/ntfs3: Check fields while reading > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13c11ba5480000 > start commit: f9ff5644bcc0 Merge tag 'hsi-for-6.2' of git://git.kernel.o.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=c163713cf9186fe7 > dashboard link: https://syzkaller.appspot.com/bug?extid=28207acc70bbf3d85b74 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1275aed7880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124f533b880000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: fs/ntfs3: Check fields while reading The reproducer was mostly triggering a KASAN: use-after-free in mi_enum_attr error and the patch indeed looks like the one that could have fixed this problem. Let's close the bug, if `unable to handle kernel paging request in mi_enum_attr` is still not fixed, it will pop up again. #syz fix: fs/ntfs3: Check fields while reading > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/00000000000067d34605f3e029f7%40google.com.