From owner-freebsd-current@freebsd.org Mon Oct 1 06:15:49 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CC28210B609C for ; Mon, 1 Oct 2018 06:15:49 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 7A9BD8C2A2 for ; Mon, 1 Oct 2018 06:15:49 +0000 (UTC) (envelope-from yuripv@yuripv.net) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id D968921ABB for ; Mon, 1 Oct 2018 02:15:48 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Mon, 01 Oct 2018 02:15:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yuripv.net; h= content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; bh=Dg14GMyteeQIoCcsYBNblELzkSbJnebBCv0i1EPaeEA=; b=rQMp8IiD dDa3psdDk/C1ZfCIUQUZmLYuQUh5Slgl34A7n1VSK5kS90fXpT+NhbjzjXH/N7B0 soUzW1XMiRmBBn3636GRIT6EibvJT9bj3g7k20NkpwLUJuZEF7lZaEOWeXsFcEtn cu7Hx2pnBKsgxWv3YByzXcv4wK5+VD7L3RKXkRLj1WK+OXQ7sINJibWWnmOPBK15 jCnOEaQZ6qzjljG0F5EwvQxOwbgxAWCo2hr0Lnb6Gb3RkAdPpYHxuAHVlfP3iyDq u3fcaf19yWpQF4j2q/aciEECcjptkxo3Wt4i7K8HOe4IOV4MiklQj4s0X2D1z464 oZzOSIg5Ztp/lw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-sender :x-me-sender:x-sasl-enc; s=fm3; bh=Dg14GMyteeQIoCcsYBNblELzkSbJn ebBCv0i1EPaeEA=; b=TWxEXG3eJuxRLoURZ1O5T0grltS4TpBnAdlUI86LH4P3Z TrS0+oFjtaEXl71k0Bxs8e2/QGYaLyn+P8iIUQuFEpiMeL8hdbMHfwsafEfy9viX HGBOIiflgnZ2mr2o7L0nNEZoJJ3y6UTN5LNAFY+P69arOBzkTIbkBCvdjdnfjW/K zYPZpUi0v8dCykKYcwm0wpV3S9TXCdgFuPeCs/joxKPMBxa21lQPWRMd8Mqnb73J PD2dIuMIKoID07MsL9TW2UpR0UZP6w8Iwua0+i7aqdT42vEv81JG9doJMDktvpnw hU9N3DHCzTsOYCZBAy7z6v6zqvfizyYbYx+LrHdzw== X-ME-Sender: X-ME-Proxy: Received: from [192.168.1.2] (unknown [85.175.16.0]) by mail.messagingengine.com (Postfix) with ESMTPA id 76381102A0 for ; Mon, 1 Oct 2018 02:15:47 -0400 (EDT) To: freebsd-current From: Yuri Pankov Subject: vmstat -m and netstat -m dumping core when run on vmcores Message-ID: Date: Mon, 1 Oct 2018 09:15:46 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Oct 2018 06:15:50 -0000 Hi, I've noticed the following rebooting after a panic: pid 41246 (vmstat), uid 0: exited on signal 11 (core dumped) pid 47091 (netstat), uid 0: exited on signal 11 And indeed, trying to manually run those on the resulting vmcore makes them crash: # vmstat -m -M /var/crash/vmcore.0 Segmentation fault (core dumped) # netstat -m -M /var/crash/vmcore.0 Segmentation fault Backtrace is below: * thread #1, name = 'vmstat', stop reason = signal SIGSEGV * frame #0: 0x000000080026d19f libmemstat.so.3`memstat_kvm_malloc(list=0x00000008007c5000, kvm_handle=0x000000080070e000) at memstat_malloc.c:351 frame #1: 0x0000000000204b15 vmstat`main [inlined] domemstat_malloc at vmstat.c:1406 frame #2: 0x0000000000204af4 vmstat`main(argc=, argv=0x00007fffffffeb28) at vmstat.c:386 frame #3: 0x0000000000204095 vmstat`_start(ap=, cleanup=) at crt1.c:74 Wonder if it's just me or something is broken here?