Received: by 2002:a05:6a10:1287:0:0:0:0 with SMTP id d7csp1734217pxv; Fri, 23 Jul 2021 16:13:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyoCPrJU17gg/0de1DOPvrZzZG3yECdAp5vVjogwQswxWWtKqnKMKRFAvweeDt7wa5psqy5 X-Received: by 2002:a05:6402:10d7:: with SMTP id p23mr8201671edu.74.1627082015613; Fri, 23 Jul 2021 16:13:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1627082015; cv=none; d=google.com; s=arc-20160816; b=Y1Ha2tYKoh23vRw9hB+fIep3u5qTivz/LUsWS8DC7QxKolJCnp3XRkOayr7dWGKvuZ DUEOyA7EdMCp4RUHl2Pn+mXxQYcJEgCL3QSfCdiJgIaOzn9fGrDKB1Lb3qvd4rIiUURK 4PK6XQHdY+uXF07rMZsPm8v/Ftv7JLKBlbY+tdmntNyPCgHVXFybfzNpkDFks9dc/OoP A97cPGYADGoI2mjWQ074fj/Tptl+N1esaMpcEjMsAAaaYvlQ2fI+PnWSlDZjJrOihV19 Tq1DRsmw4shTTAAhVbopYxf9Nl84ht6MTniLEpkKD5l2kzLA8lUlo5KOLgS8nVPHtkay tngw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=6RQsGzkA52unvEXhAGOuDMaDb8vBCAzRbnUzWuORtwY=; b=aUPqyanmFKrHdOYYXK+V6+pEnvNcw219JGhf61jjsgAnqLNI4tFWyNmGK+MsHBbd1q 5dRcl/kTh22h+G8PJse0dswJVPFjrgV91HRfwHfUSRGOqLSeZuNFwOGQstjqVbbEVs/s HelrWlBoeNDsidFgWVN44zUW84ey4cDjqaKiUXIzarT+Dh4dvmJS9T32KuU1WvDsXJkR C+Ml1XoCKyBjIunL9vWcFM2Ne6UptYPv6T2pef8FQ+4yTLpwkc9T1TmCmmqaFtN8nvuN vLNM+pO6VwjvUlDGnmffVE2DDQLMrXXaJKWlNOJ17ZLjuvMeeyBdC2IRvr8Jx+uvwRKG bGBA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u3si25489620ejb.331.2021.07.23.16.13.12; Fri, 23 Jul 2021 16:13:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232825AbhGWW3k (ORCPT + 99 others); Fri, 23 Jul 2021 18:29:40 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:46041 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232909AbhGWW3h (ORCPT ); Fri, 23 Jul 2021 18:29:37 -0400 Received: by mail-il1-f200.google.com with SMTP id l4-20020a9270040000b02901bb78581beaso1796779ilc.12 for ; Fri, 23 Jul 2021 16:10:09 -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=6RQsGzkA52unvEXhAGOuDMaDb8vBCAzRbnUzWuORtwY=; b=NNsKb7U/3fJDo4+EuxK7n7YPglpGIbrIIYafPtYb/+U8mM4mDiWU6x/klB4WQdkE16 ohGUERZ7x6+7m41bP6R/7w3kPr8O7/FNZj96rKbngsROQl75pGmU2DtAdgCxCzeIcMaX usOGSMMnou0lvbx7Ax+139V0c7NTgzQqloiWT/mmjqncZPzCQyp1EC70lkHx9Fhu09eU ouJ/YwRpYyJ2JOMW0Zu4/Hipffs56l+r4pe+ew4Irn6skkqEwskj4MWd7F6RqdnFRFMR V86iEVKhmaFsS/eLHzJ2yC8AVmTAnIOo+nB4E8sF9rxhX9UjYq54/d5YPfLKKh8igUy3 JZeQ== X-Gm-Message-State: AOAM532+25gD2qK+TpCIYPTDwSTSNrvzP3ExTqF7vVG5XmBXQSYcQKyu YCbun8yNNAXdS/OXBMpmRuPbXZ2FTXjMmOAR0dmiO/b4ygn6 MIME-Version: 1.0 X-Received: by 2002:a5d:8747:: with SMTP id k7mr5777211iol.83.1627081809209; Fri, 23 Jul 2021 16:10:09 -0700 (PDT) Date: Fri, 23 Jul 2021 16:10:09 -0700 In-Reply-To: <20210723194932.6c3b77a8@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000042305105c7d281d0@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in tipc_recvmsg From: syzbot To: davem@davemloft.net, devicetree@vger.kernel.org, frowand.list@gmail.com, gregkh@linuxfoundation.org, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, paskripkin@gmail.com, rafael@kernel.org, robh@kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+e6741b97d5552f97c24d@syzkaller.appspotmail.com Tested on: commit: 90d856e7 Add linux-next specific files for 20210723 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=644211b3d3da598c dashboard link: https://syzkaller.appspot.com/bug?extid=e6741b97d5552f97c24d compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 patch: https://syzkaller.appspot.com/x/patch.diff?x=118f857c300000 Note: testing is done by a robot and is best-effort only.