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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id c19-20020a17090ad91300b002868d17b86esi5099016pjv.107.2023.12.10.13.38.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 Dec 2023 13:38:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id EE0A1807F652; Sun, 10 Dec 2023 13:38:17 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229643AbjLJVh7 (ORCPT + 99 others); Sun, 10 Dec 2023 16:37:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbjLJVh6 (ORCPT ); Sun, 10 Dec 2023 16:37:58 -0500 Received: from mail-oo1-f72.google.com (mail-oo1-f72.google.com [209.85.161.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B7B56CF for ; Sun, 10 Dec 2023 13:38:04 -0800 (PST) Received: by mail-oo1-f72.google.com with SMTP id 006d021491bc7-58d336d8f91so4461320eaf.1 for ; Sun, 10 Dec 2023 13:38:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702244284; x=1702849084; 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=FxbULe4PoOvzjabcg4fEcKZ0w6jpN2DX8HCoWUa20UI=; b=Qe/v0+9k4QScHznsJ+radntrlZZBoGJfjjgynCMsr7p1aiQHMF1/49g/w3p57Ppl2N U7em6T8FGIG2vRzLKUgeCcAfS1DGPiW3D1pqe9PnfZg8tnBLjIMZmh04ypwZAxFFcDyw WTDevmbvCSdQ+J17c35AyLvD2EO1GCIgkz0fstHjEz92r3Z7n8c0Oi6XwKRpkPapvsZp 4iFrBy7rU1oybrpM5dH+W6lvLmGIB/jQpTbEXtPFkbrWt6EK4r0ytUIs4LoZJh3JKDp/ a+gYnmeE7h7Gwlc5jlTaRDwfjARxFVuiBaiXUhRLqN0HZ9CLvc6lkgAEt6ZGLzT10Qvu 0dWA== X-Gm-Message-State: AOJu0YxFFWBo4Ap1OUAxAqzxOHMQ+yaC+t0bSq8afEo8GH/H+abGaRTy WeK/TtXsTPnfOAxhIsC/2ua6dL5/RKNq2jLnC1DJ+qkL7p0Y MIME-Version: 1.0 X-Received: by 2002:a05:6830:4105:b0:6d9:e284:81c5 with SMTP id w5-20020a056830410500b006d9e28481c5mr3333431ott.2.1702244284139; Sun, 10 Dec 2023 13:38:04 -0800 (PST) Date: Sun, 10 Dec 2023 13:38:04 -0800 In-Reply-To: <0000000000002e8d4a06085267f3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e08cbb060c2ea1ca@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Read in ptp_read From: syzbot To: davem@davemloft.net, eadavis@qq.com, eadavis@sina.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, reibax@gmail.com, richardcochran@gmail.com, syzkaller-bugs@googlegroups.com, twuufnxlz@gmail.com, wojciech.drewek@intel.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=2.0 required=5.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SORTED_RECIPS, 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 groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Sun, 10 Dec 2023 13:38:18 -0800 (PST) X-Spam-Level: ** syzbot suspects this issue was fixed by commit: commit b714ca2ccf6a90733f6ceb14abb6ce914f8832c3 Author: Edward Adam Davis Date: Tue Nov 7 08:00:40 2023 +0000 ptp: ptp_read should not release queue bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10477d6ce80000 start commit: 4bbdb725a36b Merge tag 'iommu-updates-v6.7' of git://git.k.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=beb32a598fd79db9 dashboard link: https://syzkaller.appspot.com/bug?extid=9704e6f099d952508943 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17233388e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a3f898e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ptp: ptp_read should not release queue For information about bisection process see: https://goo.gl/tpsmEJ#bisection