Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1133508ybt; Fri, 26 Jun 2020 22:39:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwE7SLuiHxHke1S6W/nVkg6eNQbnwIraXnt7i6v4wSvjEXMc7FUB+DSOl7WQA36mYt3VmTG X-Received: by 2002:a05:6402:2212:: with SMTP id cq18mr7293673edb.173.1593236343286; Fri, 26 Jun 2020 22:39:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593236343; cv=none; d=google.com; s=arc-20160816; b=HdDKJFlC43QB0ZZGo9343zPsKREpEJrvvz2XbrTwOLJsn1VTy925KzYdVUTq5lJ29h 01QTtxB6nuXa60Yw3+sY1IIIz6S36OvDCpG3QkNBcsSVk2WYWqfHZpmFZEdC6CgFHVUP JDw8Fs2ZsBZnFZmcYEohVnZNxU71tSrXDHkv16tDb691zJnNdfHxymsJSVXerTLyoVFK USIGTPfoBojGWp7MbtCc0KiB2igsDz+4895FRSSGBQgS3oGjds6sHGLJGb1vrnM7+Xdr AUB2i8iBpyPqypsaT0Jen6HmqEE3RTeEjAZWwA6Q6QsJIHJpS3qclvzF3xIc1PulxqIy QzQQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=u9P2EE/S87kAn+TJjavtmwObTBtoebe5eiDhz57fLfc=; b=yOkhd5JYDPKHaUXe9+ddedEMqhTgNntfmj8YOXN19dyGGcC00a1eZiB+BSmhZ5TFrJ 0iMnNHnkT97imqssGox+8OrhtdkNjPWWno0NBwhUXXxyPtJVS6G86M80BagQ129hA800 UtRGEBZI5WYpnYnfUfGb8VeXpFhUzZUWvxikqsLtYEkPuk47q2h2RK+NIN6NM8sYykcD N2ca+WSKLVPdOp3v19gmpxNSaSmv7hcQjUMobmmWgTWZJqkvnH2Oux2GDIxjJ94wcfOJ IUb7JuJLPwLRSaqomTMHtUsdgXXsr6g3RDKVr88D77WiMzsFbjYSi+yCmUEoXTiuSQXU TpLQ== 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 r12si685140edo.320.2020.06.26.22.38.22; Fri, 26 Jun 2020 22:39:03 -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 S1725954AbgF0FiG (ORCPT + 99 others); Sat, 27 Jun 2020 01:38:06 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:48131 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725880AbgF0FiE (ORCPT ); Sat, 27 Jun 2020 01:38:04 -0400 Received: by mail-il1-f198.google.com with SMTP id o4so7935755ilc.15 for ; Fri, 26 Jun 2020 22:38:03 -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=u9P2EE/S87kAn+TJjavtmwObTBtoebe5eiDhz57fLfc=; b=efmdqrwKHQGygj+hKJYtW2lJ0t0ga/as+ZpZJwujHc+l/3L9NhP0gfv3qm4l0lzuDo n11V7bLvetnYS3hF0yx2lkbCqn89n8eohJ8lGFBiFoQdSgHhCJh9ljuJe+Rdpp8bZkze j7tGzfzdQuqB2UC294aELHTqacWG3JvHIogKFigbV8BR0Ih6UhZavVIC5+Kt+419oHUD K6avwzBJWaniyDJ4fkp4zvcQKvllDPdNuA6Nx+RpDL5olXbJEd5THcXBMWmw2NygWQ9b XX9XziXGLtQWiRSQ0UFIq5JqUjN0X4ZBx2oEgxBbw3qwobc/btrBPY/+QskXMKpRF4Kl NFmw== X-Gm-Message-State: AOAM533SWojYrizbcwBbyAL7FQX5CvU0pK5Rrn68RXnHMYviy1CpXDmi F7LYLb0Ukl5mJfUyo+BVaFPEMYB3YrNRLVy1MjMYuEFEvNpa MIME-Version: 1.0 X-Received: by 2002:a92:5898:: with SMTP id z24mr6561879ilf.242.1593236283469; Fri, 26 Jun 2020 22:38:03 -0700 (PDT) Date: Fri, 26 Jun 2020 22:38:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b835a205a90a3a11@google.com> Subject: Re: KASAN: use-after-free Read in tipc_nl_node_dump_monitor_peer (2) From: syzbot To: davem@davemloft.net, jmaloy@redhat.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, xiyou.wangcong@gmail.com, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org 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 crash: Reported-and-tested-by: syzbot+c96e4dfb32f8987fdeed@syzkaller.appspotmail.com Tested on: commit: 152c6a4d genetlink: get rid of family->attrbuf git tree: https://github.com/congwang/linux.git net kernel config: https://syzkaller.appspot.com/x/.config?x=20c907630cbdbe5 dashboard link: https://syzkaller.appspot.com/bug?extid=c96e4dfb32f8987fdeed compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) Note: testing is done by a robot and is best-effort only.