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 7C0FAC10DCE for ; Sun, 10 Dec 2023 21:49:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232040AbjLJVh7 (ORCPT ); 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 X-Google-Smtp-Source: AGHT+IG9DQLdvnLT0V8GX0PFxpAMf98FGEWIzJmw6MJpQyI9/LylpQvIZnjj43QjmR+t8LtI3LBVYY4Lf7uVAvGv+6QcNI9rEgwO 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" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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