From patchwork Wed Nov 23 19:25:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 2136 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp2988561wrr; Wed, 23 Nov 2022 11:39:16 -0800 (PST) X-Google-Smtp-Source: AA0mqf5Kue0qHY+66QR5TOaY0MzjyG/tqRdPuR8skNB2MiI/yTyZqYU5B3R22CqgyS/9kEaUBedN X-Received: by 2002:a05:6a00:1d0b:b0:574:24cc:8aa7 with SMTP id a11-20020a056a001d0b00b0057424cc8aa7mr7667396pfx.45.1669232356576; Wed, 23 Nov 2022 11:39:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669232356; cv=none; d=google.com; s=arc-20160816; b=vB+D1UmWkCb6+YqGqv8xkcb2mAamqcaOpHaYwSuzWipfpNSX+avKiOY5vVaZAemf2H 9iFQ2udDYqBEVY55ICgqcY6R892sEVBIGlOxCrXgRgXmaSIplXqMl4vfjnti1rEbesIN W0XnB6evQei93DazXKIFPa2soEQLIdcIjT5rMn6/3LRXFPbXcB+Mghm5WCdVo+EWEVS6 EE9iHxS7+FHdLdx/uPdtHjCXwKv6cgpnSXbhnOBYrFv3Qoa4IrkCpXnd3hG4hC73zISj WIXzpRgbOkmgW6DJvq6U2+0Ib4kXTABjOjBFYwf59sB6L3pzg7Da90Jt5B6Fn/xD9SYT ZR7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:subject:cc:to:from:date:user-agent:message-id; bh=srlBdH4UPrZpG5iOMbvV++Aj6w9xLitnpuawNCBLsKE=; b=dVwweV1xaJtBTpok4O9CmB3xnbbwBrvYRlHy2/PR55J+EoeEg3AxxAQwHQb/tLkQ0Q c8M8fbnCSI4+Lerblyc4CsNL6LY2Kblbi6tAwr4v9xhbvFAn01vywIRrNnRrB7x7Rgr0 3VOqAUpPQGYEDTKdWZi5dJxJzcGLbxWq+c+RIrAypyGSWqjPY3OrRwrc7nkCSNA3AWf8 J1GX60xCxMPf2bDpKK31UJfR8ZyGElUSwJyikNQQ68zDVLtPWhbI4RkY39LBr0ZNsL6j 32jj4LRpsMaRJBfWvt7qtOqi7ja0nGfE55eb/5PF6JNXoUN7TlQ3wpR7uq5jUkqZmDRi lUBA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id f5-20020a170902860500b0017f9b980fadsi15236987plo.446.2022.11.23.11.39.03; Wed, 23 Nov 2022 11:39:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239572AbiKWT2Z (ORCPT + 99 others); Wed, 23 Nov 2022 14:28:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240047AbiKWT1p (ORCPT ); Wed, 23 Nov 2022 14:27:45 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDBD712627; Wed, 23 Nov 2022 11:27:43 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 582E361E79; Wed, 23 Nov 2022 19:27:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9537C433B5; Wed, 23 Nov 2022 19:27:42 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.96) (envelope-from ) id 1oxvPJ-000vyg-22; Wed, 23 Nov 2022 14:27:41 -0500 Message-ID: <20221123192556.738176467@goodmis.org> User-Agent: quilt/0.66 Date: Wed, 23 Nov 2022 14:25:56 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Andrew Morton , Zheng Yejian Subject: [PATCH 0/2] tracing: Prevent UAF on reused trace event type numbers X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750316987450780524?= X-GMAIL-MSGID: =?utf-8?q?1750316987450780524?= Steven Rostedt (Google) (2): tracing: Add tracing_reset_all_online_cpus_unlocked() function tracing: Free buffers when a used dynamic event is removed ---- kernel/trace/trace.c | 11 ++++++++++- kernel/trace/trace.h | 1 + kernel/trace/trace_dynevent.c | 2 ++ kernel/trace/trace_events.c | 13 +++++++++++-- kernel/trace/trace_events_synth.c | 2 -- 5 files changed, 24 insertions(+), 5 deletions(-) Acked-by: Masami Hiramatsu (Google)