From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F4FDC25B75 for ; Wed, 29 May 2024 08:25:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 80C2C6B0099; Wed, 29 May 2024 04:25:24 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7BB376B009A; Wed, 29 May 2024 04:25:24 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6AA7D6B009B; Wed, 29 May 2024 04:25:24 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 4CA086B0099 for ; Wed, 29 May 2024 04:25:24 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id EA5D580812 for ; Wed, 29 May 2024 08:25:23 +0000 (UTC) X-FDA: 82170748926.06.7A95F9D Received: from hannover.ccc.de (ep.leitstelle511.net [80.147.51.183]) by imf27.hostedemail.com (Postfix) with ESMTP id 128694000C for ; Wed, 29 May 2024 08:25:21 +0000 (UTC) Authentication-Results: imf27.hostedemail.com; dkim=none; spf=none (imf27.hostedemail.com: domain of ingo@hannover.ccc.de has no SPF policy when checking 80.147.51.183) smtp.mailfrom=ingo@hannover.ccc.de; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716971122; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=an9vOLNAfww+WUhNJM3rfOjxaE9IrbvjsVdLxK2pICU=; b=1R24HdMxDH7e666IDVR1bnDlaemqU8t+/Ykw/GeC9jpa8HXLmY5/yKAo48GFZsxdqpcPef 4AC/TLE/+q7geoI7wS9xRmQ6/sw1lMN84s2siDFc+UbvjXvwU5RJ/1SnO/V776SXW0M/Ct ANZkqR8pbEDxYte49dNMZCPf9QkfOiY= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1716971122; a=rsa-sha256; cv=none; b=TuC+yN/sAuhV63r2wDCHdffT9BCaiS3Yo4MMzFXoWyL47LLBHOeSzlWXihKFinkzWtxTcw nvDTY+XuHuUBk9ecREJSS6/+pCcbPaObHZphYrJIbctLjLeQxFuOzYugBvbV1rOl+os8vX mkxsMcTF8ScpzbpUS9R/yF84bZHrPBc= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=none; spf=none (imf27.hostedemail.com: domain of ingo@hannover.ccc.de has no SPF policy when checking 80.147.51.183) smtp.mailfrom=ingo@hannover.ccc.de; dmarc=none Date: Wed, 29 May 2024 10:25:19 +0200 From: Ingo Saitz To: linux-mm@kvack.org Subject: Re: [linus:master] [mm] ba42b524a0: segfault_at_ip_sp_error Message-ID: References: <202405281425.92ece916-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Rspam-User: X-Stat-Signature: pi9a3h74bzx8z8s99arz4ur9qixs1rj6 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 128694000C X-HE-Tag: 1716971121-560456 X-HE-Meta: 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 7HeD/TAd zhsqdWDihDljSVQFNQs2cpVcw+Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.001024, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Even a simple int main() { mlockall(MCL_CURRENT); fork(); } crashes, although with another errors: [ 3421.236586] thoughts2[2297]: segfault at 10e0 ip 00007f598a0275c5 sp 00007ffeec71ef50 error 4 in libc.so.6[da5c5,7f5989f73000+157000] likely on CPU 0 (core 0, socket 0) [ 3421.237280] Code: 89 c3 45 84 e4 0f 84 9a 02 00 00 e8 e5 b0 ff ff 41 89 c4 85 c0 0f 85 a2 01 00 00 48 83 05 ca 21 10 00 04 4c 8b 25 cb b9 0f 00 <49> 8b 84 24 e0 10 00 00 66 0f ef c0 49 c7 84 24 28 0a 00 00 00 00 [ 3421.957294] traps: thoughts2[2298] general protection fault ip:7f7aca1f36fd sp:7ffc6b05d6f0 error:0 in libc.so.6[3f6fd,7f7aca1da000+157000] Ingo -- const_cast(Λ)