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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7724C433F5 for ; Fri, 1 Oct 2021 08:55:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C067061A56 for ; Fri, 1 Oct 2021 08:55:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352861AbhJAI4w (ORCPT ); Fri, 1 Oct 2021 04:56:52 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:57018 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352740AbhJAI4v (ORCPT ); Fri, 1 Oct 2021 04:56:51 -0400 Received: by mail-io1-f69.google.com with SMTP id z14-20020a05660229ce00b005d616a6f35aso8181330ioq.23 for ; Fri, 01 Oct 2021 01:55:07 -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=mYVNj7GUYQ3ONE/lwuTfVtZPuGTc99UdHlU4HzP4RMU=; b=MBpx6WptgjcpnZcnZwzVWZDJTGhY6jNCpzX7hzpbt8+j0DV3NczOmA3PxTiJMt2qVN ZeNllsBWT+NQxxBGgnOjGqwRVGibLKP0n/awsBF++zXEnoeYtst/q1AadvV9gjhefTGQ m9aAwG9+5YY9znPBo3Y2X2y+eyBZg6kMGRACNBj4zVJBQP59ptpi8Rw86PwZu6yOo3Jv urwkgRjXshjm97xmX/Re6jbMYyHk2BzaLbU//hy85dCOiy3dNwNSXr/KUw2us82nl66C fkCgTFSs2BdwDJjLMRKIC2SCLzh1riHOjlGHVs8oDdZCBqTQkGalP7/tre6v9niVjsYo lAPA== X-Gm-Message-State: AOAM530NBKT4HfJS0C9kCtOoEGCHmmPgzCpW5TkGvVVww3efSYNP4Gbm ZuknHqEPZrIdH6+2CofDgNp7LEUv3HfuKFKjAAv0EtFKvUgB X-Google-Smtp-Source: ABdhPJwHjqhjMTIzJ+KD7re2/BvRja309HrPWUEceEN/YAnuUvrfDViaJV3ThPI7N/1fki4yZUmQcFv8x/XyxaaJ2RGEnxfueAgd MIME-Version: 1.0 X-Received: by 2002:a05:6638:3713:: with SMTP id k19mr8744051jav.44.1633078507394; Fri, 01 Oct 2021 01:55:07 -0700 (PDT) Date: Fri, 01 Oct 2021 01:55:07 -0700 In-Reply-To: <000000000000d068cf05c716264c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000052dbbf05cd46b81e@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in em28xx_close_extension From: syzbot To: dan.carpenter@oracle.com, hdanton@sina.com, hverkuil-cisco@xs4all.nl, igormtorrente@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, mudongliangabcd@gmail.com, stephen.s.brennan@oracle.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 0766ec82e5fb26fc5dc6d592bc61865608bdc651 Author: Stephen Brennan Date: Wed Sep 1 17:51:41 2021 +0000 namei: Fix use after free in kern_path_locked bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17bf2a03300000 start commit: fa54d366a6e4 Merge tag 'acpi-5.14-rc7' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=96f0602203250753 dashboard link: https://syzkaller.appspot.com/bug?extid=005037419ebdf14e1d87 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c086c5300000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12950bee300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: namei: Fix use after free in kern_path_locked For information about bisection process see: https://goo.gl/tpsmEJ#bisection