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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0BD7C4743C for ; Mon, 14 Jun 2021 10:02:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B714D610A2 for ; Mon, 14 Jun 2021 10:02:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232658AbhFNKEz (ORCPT ); Mon, 14 Jun 2021 06:04:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232579AbhFNKEy (ORCPT ); Mon, 14 Jun 2021 06:04:54 -0400 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D41C6C061574; Mon, 14 Jun 2021 03:02:51 -0700 (PDT) Received: by mail-pg1-x535.google.com with SMTP id t9so8201853pgn.4; Mon, 14 Jun 2021 03:02:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rNQD4x8X3fqLopq7YlxB2amn3le3fNKisSEzfuWGwmk=; b=KsODG2p+0P7TzUkSGtY6l1BPl3iRfswiPFdZQxactpYuArBXPIkRUm6upHjC6LdNOh xbbN5+6kFwV+b14IfzU4ZbNpljF11z8KxifrIXCBWDGhOlzAScB8ft0Gj2pPeAkrKEoI 1t9usoOwl0+TURy3AsUREHmYK9qzBAjJOaednhBf6v9GeLZLAYSBEDM6+Pb4XTNQoMJZ i7ZHxdJ8ayX7wtdjPujrE9YY8kmp7v0CTIXx0Qv1V7rs5PYDk5RWCk1t2GDTe1z/Hmon t7ZPdNY5/En/TKh6G/8mrPI9HAhlSfmqudiPAMp3Boy+oFGb8uuEDVqWROnxIlU0zsLd 2w5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rNQD4x8X3fqLopq7YlxB2amn3le3fNKisSEzfuWGwmk=; b=nLFtTPybj2iso+FLfYTINVaayDCCZmAvE7u9KwBCyd2Ma404J3WM27KGRsoV0+CiKT nf2QsLUu2VscqjIvPOh9ZI0TM/YcEYqHudo6LclVaPMs3i+pL601uBpI6XX2BKgYiaq6 LOm5wxgWQAZEtvN3a9G1iSuxXldrEuhjUOvPtjQH1s7uANnrFvWxV2VGho4QghkGNdlw Ttb28QYrPypnf7nTwtyFwvO4+q1wXdp2NFStSc53VJvXUnYPSNSddZMySipurlwIH2tb m1QwximRUSxbAvs7KIDv8EfybZHfPAYH1TVz1FLhNpwLpJcmhKCvUkjtYxCOxmOV8QDG R65g== X-Gm-Message-State: AOAM530Lndyln9x6NPMmwiZvwSCgj+k1kpoqh1Jol5WJhFiwYecqa09Y 8fLiX4gj7IIyZdiZ7N+ta+A= X-Google-Smtp-Source: ABdhPJznYWcNRclazSfMjDvL7XG0PCNfjNv0tmjFeg+HSzd1vhRPQW2g+gETCvqtBzX2rwbDieEAvg== X-Received: by 2002:aa7:83c3:0:b029:2e8:f2ba:3979 with SMTP id j3-20020aa783c30000b02902e8f2ba3979mr21137727pfn.8.1623664971383; Mon, 14 Jun 2021 03:02:51 -0700 (PDT) Received: from localhost.localdomain ([143.244.42.72]) by smtp.gmail.com with ESMTPSA id x28sm12005906pff.201.2021.06.14.03.02.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 03:02:51 -0700 (PDT) From: youling257 To: keescook@chromium.org Cc: torvalds@linux-foundation.org, christian.brauner@ubuntu.com, andrea.righi@canonical.com, linux-kernel@vger.kernel.org, stable@vger.kernel.org, regressions@lists.linux.dev Subject: Re: [PATCH] proc: Track /proc/$pid/attr/ opener mm_struct Date: Mon, 14 Jun 2021 18:02:34 +0800 Message-Id: <20210614100234.12077-1-youling257@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210608171221.276899-1-keescook@chromium.org> References: <20210608171221.276899-1-keescook@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org I used mainline kernel on android, this patch cause "failed to retrieve pid context" problem. 06-14 02:15:51.165 1685 1685 E ServiceManager: SELinux: getpidcon(pid=1682) failed to retrieve pid context. 06-14 02:15:51.166 1685 1685 E ServiceManager: add_service('batteryproperties',1) uid=0 - PERMISSION DENIED 06-14 02:15:51.166 1682 1682 I ServiceManager: addService() batteryproperties failed (err -1 - no service manager yet?). Retrying... 06-14 02:15:51.197 1685 1685 E ServiceManager: SELinux: getpidcon(pid=1695) failed to retrieve pid context. 06-14 02:15:51.197 1685 1685 E ServiceManager: add_service('android.security.keystore',1) uid=1017 - PERMISSION DENIED 06-14 02:15:51.198 1695 1695 I ServiceManager: addService() android.security.keystore failed (err -1 - no service manager yet?). Retrying... 06-14 02:15:51.207 1685 1685 E ServiceManager: SELinux: getpidcon(pid=1708) failed to retrieve pid context. 06-14 02:15:51.207 1685 1685 E ServiceManager: add_service('android.service.gatekeeper.IGateKeeperService',1) uid=1000 - PERMISSION DENIED 06-14 02:15:51.207 1708 1708 I ServiceManager: addService() android.service.gatekeeper.IGateKeeperService failed (err -1 - no service manager yet?). Retrying... 06-14 02:15:51.275 1685 1685 E ServiceManager: SELinux: getpidcon(pid=1693) failed to retrieve pid context. 06-14 02:15:51.275 1692 1692 I cameraserver: ServiceManager: 0xf6d309e0 06-14 02:15:51.275 1685 1685 E ServiceManager: add_service('drm.drmManager',1) uid=1019 - PERMISSION DENIED 06-14 02:15:51.276 1693 1693 I ServiceManager: addService() drm.drmManager failed (err -1 - no service manager yet?). Retrying...