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 0B9CCC072A2 for ; Sat, 18 Nov 2023 03:25:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232840AbjKRDZo (ORCPT ); Fri, 17 Nov 2023 22:25:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229994AbjKRDZl (ORCPT ); Fri, 17 Nov 2023 22:25:41 -0500 Received: from mail-pj1-f71.google.com (mail-pj1-f71.google.com [209.85.216.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FC52D6D for ; Fri, 17 Nov 2023 19:25:38 -0800 (PST) Received: by mail-pj1-f71.google.com with SMTP id 98e67ed59e1d1-280051630e5so3707889a91.0 for ; Fri, 17 Nov 2023 19:25:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700277937; x=1700882737; 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=1lJX9VLiMTARWq1arcsjI+i8RGb+ECKhQ48xSI7yj58=; b=UOYTc+BiRr9yo0O9AMc0caXzChjErG4qrAUufgHXQgj+4Ds2Ihre+HfxDYZmuscNFy GGA1NW0OLzDJBGDKzev9XmNOkQDKL4i95Ux7/WOIu96Gwapob+eRPW4wKg405Ipf7/E5 Ix0fkDTnnji1wItxrSOmOB7QsdC6zzZ3NJEmDdSFOXAgEAdtHDebs3aZmz11U28jX6mw 3fdcrkGl5Y9xHjJj3ye9ENce1eiwpwmkJ/IN/towcYWdr9ljSSi8yv5HYt/HS3WPJ+98 cNZnpU+qWGwbZCtE1hUzBPa93OePeHtIswG8QsfrTu4X9kZq3eFeYiSLdqeyKkfNWpYE o9+Q== X-Gm-Message-State: AOJu0YyPwAtxfgAwI947tqgzspDfxonSnlntsDZgIWx2nIVIL/uTQ9j6 FDMNLyaV7StLefqR8PEp+UR12zGxyMo+jlu/14Ec6wrYDFlmdgE= X-Google-Smtp-Source: AGHT+IHQLqOgPZO89knosW29YE1pbTA1/OdsmOMa1h1nywxdvcU1BVv8mRsPPCREJ/47sbvrW/yaRx6cuoQnMXfLuV84VRfOIUpp MIME-Version: 1.0 X-Received: by 2002:a17:90a:65cb:b0:280:80ff:1c86 with SMTP id i11-20020a17090a65cb00b0028080ff1c86mr353175pjs.4.1700277937836; Fri, 17 Nov 2023 19:25:37 -0800 (PST) Date: Fri, 17 Nov 2023 19:25:37 -0800 In-Reply-To: <000000000000797bd1060a457c08@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000811884060a64cec2@google.com> Subject: Re: [syzbot] [PATCH] Test uaf in sco_sock_timeout From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [PATCH] Test uaf in sco_sock_timeout Author: eadavis@qq.com please test 8de1e7afcc1c #syz test https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git 8de1e7afcc1c diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index c736186aba26..c05fb9d41a63 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -300,7 +300,8 @@ static int sco_connect(struct sock *sk) unlock: hci_dev_unlock(hdev); - hci_dev_put(hdev); + if (err) + hci_dev_put(hdev); return err; }