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[23.128.96.18]) by mx.google.com with ESMTP id b10si3919651pgs.202.2021.04.15.11.15.43; Thu, 15 Apr 2021 11:15:55 -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; dkim=pass header.i=@gmx.net header.s=badeba3b8450 header.b=Te1Ium80; 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=gmx.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234407AbhDOSOi (ORCPT + 99 others); Thu, 15 Apr 2021 14:14:38 -0400 Received: from mout.gmx.net ([212.227.15.15]:45645 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233595AbhDOSOd (ORCPT ); Thu, 15 Apr 2021 14:14:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1618510439; bh=TdTcHGYJ1c8RXGkpf0+s767H2Zkzsb60TtOHhEGg0OQ=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date:In-Reply-To:References; b=Te1Ium806lZyefPp+PmD7eu2uDuLWp8KbfVDRtnWGQDmWMYyC97dUqqtzudagx5Y6 jly2gjwDnNt8HVvICJIGdaVweyPQ8fCwIsYdduiFtlNjsTs7trN5ndemcyBVB6aFlI QEhzvOCN9X/W6r9hiLTUEe167UukBSP1C+gMRtNU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.221.149.95]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MryT9-1luOgs1hXJ-00o03y; Thu, 15 Apr 2021 20:13:59 +0200 Message-ID: Subject: Re: Question on KASAN calltrace record in RT From: Mike Galbraith To: Dmitry Vyukov Cc: "Zhang, Qiang" , Andrew Halaney , "andreyknvl@gmail.com" , "ryabinin.a.a@gmail.com" , "akpm@linux-foundation.org" , "linux-kernel@vger.kernel.org" , "kasan-dev@googlegroups.com" Date: Thu, 15 Apr 2021 20:13:58 +0200 In-Reply-To: References: <182eea30ee9648b2a618709e9fc894e49cb464ad.camel@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:WJcUOFmUdF8mB3VJ5X9eU2m+Rl2Ob9KE5WzQ1EJoxEPmBschOWJ G0uUzYiIaxZhzPeEobnkLMfaC2Dyjb35GC+MF+ZIuCSlbmFyQEag6qChD0u2eMxfMtQz9Sm 4ZH1WO3pB7TeCcbAOQrel7mENL1yYyyqrV4pQGNRZ2Fpzkd4LOSWQSoZ28rCIHzOw/jKKpI ROpl1fmnZNsZPaRE1Cprw== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:rKMJVeirOr8=:t/2IQteopQzsoMRImFcrCA axURKvimsAVhEWifQy0R59n1E/FeSERO91LhNZFzBNaQK6D0UMdpy31T25j95P3QyWAUfj0Qg bbueTBPleQAnX0I8608aeTAb3z41Gau+QgGNP8Pg2oVyHMT2LF2lU1rI6Xv/gxsNUJIYZoWob chPgbTI08blR5xmzrwHP5z5LKn5dgl2G7WXqu5dP19iBSe9RIx8uuUDNzV3pvyIv3DLq2qq6N wr1MoKgGooJWIvA7vNwPrvjRsXkh4udLHoijWqnm/ooXLGY7EZJAN7zyT9y0dAO9w45CrBjsT HfaBEyh0KtzZktsR1Fq7H3QA+bcN7KyOMjgg7HuXvWT9X+YG950mYQTf+MUfPFwuoRsrKmUaD XLtZ9nLp0C5AR9ZzdCVNB0nUBBEcGJiTKnPBrhrtAJlrdS6Cd3Tai1Y8BpxB9QRCXn1CsBTC1 FVDaT/SqZmZyvpY7QLHn7YCacxd7cj/ft/zMfv+Ynq7Kpirzrj/s5lkl5W2a1abjjlrGmzomU qBD6KePakNsNQ+r2m2tRtdzPa/D9hUbzw1thVgzWQuCVXooPQ7kp3V2jqkOGRprUWcu8q/Rf1 VHkQnuZ6VyxL/UV9pOluLWvtzD1FHBaYNdvwdj6foziTV2lc2Gq2xX034/0QRZKt1mXgyE987 hibyAF6Y6LIdp8jHrsxRnVfFZ6hTsbZfnGRi2ztZpnyF4JG5eUKdsERKL5yOV9aqDNp9tKd1y dNmvVEQsHdOowMHpj2f819m3FZXhCQyQcwaEH0HZHkoUwPvwsfLKMzGtdFirg+qrNLmi3NWGm 4kH79ZpZJNK4OvOoB4/HFTjGsUOTi8KkWsgrJ8HfhVSXlCErRdB03xXwtd9MePu/Anbw8v0t2 k+VrBNzkQzL9/ncUATWTUjABbqXJZVftT2nLBwoANrluj4s4WFZxG29ARUjH3exYNPsiuiT0h pNtJjhOWA+NaCjMums2AZmi0bBMEvSiiltP5jdOaVkafDkIqosylf9THjNKliWuSdeDgSa5uW gsw3hiinK6Ns92hO6Up7s9nPq9qWUALQMPT3b+gSCQR+1mUMe1y6SzgvyFoqq6W8ALEUlA7u2 m7DuDSSQGAOoAac7jEYZBEXxMbNsQhElD4NrfzHrJBGqi/FNuUVHd5Z4483vWTIW9RZGNqPAV 2Rj76HAO7MXISUGihgteaU22mzcy57SfYZ28ELhN3OGJYY+6BQdCNUQSRQ6In4LI3KsfE= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2021-04-14 at 07:26 +0200, Dmitry Vyukov wrote: > > > [ 15.428008] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > [ 15.428011] BUG: KASAN: vmalloc-out-of-bounds in crash_setup_memmap= _entries+0x17e/0x3a0 > > This looks like a genuine kernel bug on first glance. I think it needs > to be fixed rather than ignored. I posted a fix, so KASAN earns another notch in its pistol grips. -Mike