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 X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8A23C11F67 for ; Wed, 14 Jul 2021 14:16:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E7C1613E8 for ; Wed, 14 Jul 2021 14:16:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239518AbhGNOTG (ORCPT ); Wed, 14 Jul 2021 10:19:06 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:52058 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239513AbhGNOTF (ORCPT ); Wed, 14 Jul 2021 10:19:05 -0400 Received: by mail-il1-f200.google.com with SMTP id g9-20020a92cda90000b029020cc3319a86so1184892ild.18 for ; Wed, 14 Jul 2021 07:16:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=o7vzzn8Fdqo6mJv/pLO3d3/VK2CXYs/bZovvWQfPikg=; b=KzCSCSMN+crwLkz593v4j/McVDiLItupJ527b3js324Ib5Ucy6Aj6lxg7B3shtWhbP UsQy9hc4XTNaZIvMeq+TR53Z+wvbQPVwnshIqnP+scgyEc++Pvm5pkkYXZ9V+6IPX1xn YIQRB0FpI8/DSsRzd1dTviybs0Qgxcd9FISfcbfHfVXJZMmIs8Fcb1LNVsVZeMlQPOSi 51F2GaRdvK97R3xhTtXDK/S8OTqSNTrCk0yh8tiVMY1oBj6kQ2RJ2b3GNBfOvx3C5mbh /z3QXYhdnbjTpWxaVts/EO7vlQ713w2jRTF2zKQkzS/l2KaujCqHGJBcd4vVsMqKvOX/ s79Q== X-Gm-Message-State: AOAM530BLFkoV55I5LjAiuCbb24Zc2ZSt92U7FPtxoB4aBEDFOMWyRcn gkAc4ZPe7sKr1JGozViWeMurHFM1JqUPx3/pnc0t38tlpM3V X-Google-Smtp-Source: ABdhPJyn5tnlHP/kmIUxY05yxnh++4KY2h8hZkCs4WMGvpSLvMoszqGmE7eJ+eEIVEap1ROsNTlb3lNO/a43b+1kLs7gtu5pRZC4 MIME-Version: 1.0 X-Received: by 2002:a92:d3d1:: with SMTP id c17mr6620254ilh.86.1626272172775; Wed, 14 Jul 2021 07:16:12 -0700 (PDT) Date: Wed, 14 Jul 2021 07:16:12 -0700 In-Reply-To: <20210714135756.ammzl2vfiepzg3ve@wittgenstein> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002aa03b05c715ff73@google.com> Subject: Re: [syzbot] KASAN: null-ptr-deref Read in filp_close (2) From: syzbot To: brauner@kernel.org, christian.brauner@ubuntu.com, dvyukov@google.com, gregkh@linuxfoundation.org, gscrivan@redhat.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, stable-commits@vger.kernel.org, stable@vger.kernel.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+283ce5a46486d6acdbaf@syzkaller.appspotmail.com Tested on: commit: 595fac5c cgroup: verify that source is a string git tree: https://gitlab.com/brauner/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=20276914ec6ad813 dashboard link: https://syzkaller.appspot.com/bug?extid=283ce5a46486d6acdbaf compiler: Note: testing is done by a robot and is best-effort only.