From owner-freebsd-bugs@FreeBSD.ORG Wed Oct 10 15:57:14 2012 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 953BE227 for ; Wed, 10 Oct 2012 15:57:14 +0000 (UTC) (envelope-from andrsmed@cisco.com) Received: from rcdn-iport-9.cisco.com (rcdn-iport-9.cisco.com [173.37.86.80]) by mx1.freebsd.org (Postfix) with ESMTP id 492768FC1D for ; Wed, 10 Oct 2012 15:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=1860; q=dns/txt; s=iport; t=1349884634; x=1351094234; h=from:to:subject:date:message-id:mime-version; bh=kQB34Xq3Khhd4i9kPRVhFKT5Q23MiBuuQMVqAbT577k=; b=Om8z+pzrhc4A9Ff9Et8aidjto9bUtdNHGFwBUCBfvyqr7HcOdiq/f0zE a4YZqG453b0ySx1x870jETH7lItz21ZIcrS3HKePbUKqBzApkjapcQdhF +lt0najvjk9dMhAnsRzPxabGiwTfkVF49N7ZXyuNdBefACgA/2gbQ94Bx 0=; X-Files: in6.c.patch : 464 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av0EAE2adVCtJXG//2dsb2JhbABEvzCBCIIiAQQSAXgBKiYwJwQbBhSHYpY6gSigJ5EHYAOII4ZLgSCUI4Frgm2CFw X-IronPort-AV: E=Sophos;i="4.80,565,1344211200"; d="scan'208";a="127210107" Received: from rcdn-core2-4.cisco.com ([173.37.113.191]) by rcdn-iport-9.cisco.com with ESMTP; 10 Oct 2012 15:57:07 +0000 Received: from xhc-aln-x01.cisco.com (xhc-aln-x01.cisco.com [173.36.12.75]) by rcdn-core2-4.cisco.com (8.14.5/8.14.5) with ESMTP id q9AFv7n7029656 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL) for ; Wed, 10 Oct 2012 15:57:07 GMT Received: from xmb-aln-x06.cisco.com ([169.254.1.220]) by xhc-aln-x01.cisco.com ([173.36.12.75]) with mapi id 14.02.0318.001; Wed, 10 Oct 2012 10:57:07 -0500 From: "Andrew Smedley (andrsmed)" To: "freebsd-bugs@freebsd.org" Subject: lltable leak when adding and removing IPv6 addresses Thread-Topic: lltable leak when adding and removing IPv6 addresses Thread-Index: AQHNpv/lPs7GPRfMoE6fBVCVQKSqkw== Date: Wed, 10 Oct 2012 15:57:06 +0000 Message-ID: <6EC4152AB9CF134090F680D4628FE4AE1BC92593@xmb-aln-x06.cisco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/14.2.4.120824 x-originating-ip: [10.147.32.192] x-tm-as-product-ver: SMEX-10.2.0.1135-7.000.1014-19258.000 x-tm-as-result: No--29.164300-8.000000-31 x-tm-as-user-approved-sender: No x-tm-as-user-blocked-sender: No Content-Type: multipart/mixed; boundary="_002_6EC4152AB9CF134090F680D4628FE4AE1BC92593xmbalnx06ciscoc_" MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Oct 2012 15:57:14 -0000 --_002_6EC4152AB9CF134090F680D4628FE4AE1BC92593xmbalnx06ciscoc_ Content-Type: text/plain; charset="iso-8859-1" Content-ID: <57F53FABAD1B934EAC7441FB6F659238@cisco.com> Content-Transfer-Encoding: quoted-printable I've found what appears to be a lltable leak when adding and removing IPv6 addresses. # vmstat =ADm | grep lltable lltable 14 4k - 14 128,256 # ifconfig em0 inet6 3ffe:b00:1:1::1 alias # vmstat =ADm | grep lltable lltable 15 4k - 15 128,256 # ifconfig em0 inet6 3ffe:b00:1:1::1 -alias # vmstat =ADm | grep lltable lltable 15 4k - 15 128,256 The attached patch seems to fix the problem. Regards, Andrew=20 --_002_6EC4152AB9CF134090F680D4628FE4AE1BC92593xmbalnx06ciscoc_ Content-Type: application/octet-stream; name="in6.c.patch" Content-Description: in6.c.patch Content-Disposition: attachment; filename="in6.c.patch"; size=464; creation-date="Wed, 10 Oct 2012 15:57:06 GMT"; modification-date="Wed, 10 Oct 2012 15:57:06 GMT" Content-ID: <46DEA0B061609A4486CE29FD43F01C23@cisco.com> Content-Transfer-Encoding: base64 SW5kZXg6IGluNi5jCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIGluNi5jCShyZXZpc2lvbiAyNDEzOTUpCisrKyBp bjYuYwkod29ya2luZyBjb3B5KQpAQCAtMjYxMCw3ICsyNjEwLDggQEAKIAkJaWYgKCEobGxlLT5s YV9mbGFncyAmIExMRV9JRkFERFIpIHx8IChmbGFncyAmIExMRV9JRkFERFIpKSB7CiAJCQlMTEVf V0xPQ0sobGxlKTsKIAkJCWxsZS0+bGFfZmxhZ3MgfD0gTExFX0RFTEVURUQ7Ci0JCQlMTEVfV1VO TE9DSyhsbGUpOworCQkJTElTVF9SRU1PVkUobGxlLCBsbGVfbmV4dCk7CisJCQlpbjZfbGx0YWJs ZV9mcmVlKGxsdCwgbGxlKTsgLyogVW5sb2NrcyBsbGUgKi8KICNpZmRlZiBESUFHTk9TVElDCiAJ CQlsb2coTE9HX0lORk8sICJpZmFkZHIgY2FjaGUgPSAlcCAgaXMgZGVsZXRlZFxuIiwgbGxlKTsK ICNlbmRpZgo= --_002_6EC4152AB9CF134090F680D4628FE4AE1BC92593xmbalnx06ciscoc_--