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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 61065C433ED for ; Fri, 9 Apr 2021 09:42:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15EA061108 for ; Fri, 9 Apr 2021 09:42:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232631AbhDIJmY (ORCPT ); Fri, 9 Apr 2021 05:42:24 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:23321 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232087AbhDIJmW (ORCPT ); Fri, 9 Apr 2021 05:42:22 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1617961330; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=WpUzTrF75CFjPqaMZHfNxdhRT2Sjbky/ud3Oa0xNKO0=; b=Xc0gtbzUJn0unPwudfXQ2/H71d+OlR0Jn/9uFh7PzzKnSoyvK5UFyGipgjJ+90cdGt25uJ9t QWtgFx4/ulTxYPpH9IxIg6Ib+8Rw79Zmg2MZuzrNgkAGRzU0FwRxOZgMCr5jhadgMypanQCt 9i/dsNeZ42SEjV4i02wfBDqjXAE= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-west-2.postgun.com with SMTP id 6070215f9a9ff96d95107dde (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 09 Apr 2021 09:41:51 GMT Sender: hangl=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id ABFB9C433CA; Fri, 9 Apr 2021 09:41:51 +0000 (UTC) Received: from hangl-gv.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: hangl) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5F540C433CA; Fri, 9 Apr 2021 09:41:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5F540C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=hangl@codeaurora.org From: Hang Lu To: tkjos@google.com, gregkh@linuxfoundation.org Cc: tkjos@android.com, maco@android.com, arve@android.com, joel@joelfernandes.org, christian@brauner.io, hridya@google.com, surenb@google.com, rdunlap@infradead.org, linux-kernel@vger.kernel.org, Hang Lu Subject: [PATCH 0/2] binder: tell userspace to dump current backtrace when detected oneway spamming Date: Fri, 9 Apr 2021 17:40:44 +0800 Message-Id: <1617961246-4502-1-git-send-email-hangl@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add feature for binder oneway spamming detection, which tells userspace to dump current backtrace. Fix the missing "BR_FROZEN_REPLY" issue first, then features. Hang Lu (2): binder: fix the missing BR_FROZEN_REPLY in binder_return_strings binder: tell userspace to dump current backtrace when detected oneway spamming drivers/android/binder.c | 30 ++++++++++++++++++++++++++---- drivers/android/binder_alloc.c | 15 ++++++++++++--- drivers/android/binder_alloc.h | 8 +++++++- drivers/android/binder_internal.h | 6 +++++- include/uapi/linux/android/binder.h | 8 ++++++++ 5 files changed, 58 insertions(+), 9 deletions(-) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project