Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp428863iob; Wed, 18 May 2022 05:25:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxvucNjOo/Ef1uJuqEX+Y+eN8jCXnkHQ7eN5McS2/EPsySzx8rt4kYAcyOYErAAZ7Za4c0+ X-Received: by 2002:a17:90a:7026:b0:1df:4b6b:53d9 with SMTP id f35-20020a17090a702600b001df4b6b53d9mr17653044pjk.157.1652876750192; Wed, 18 May 2022 05:25:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1652876750; cv=none; d=google.com; s=arc-20160816; b=Uu1CM73h79JkT+p3RqnZk1ObhCLNqDvq/OhhqvHWBMMSWvM1pVX4bfMkUTXQihKjYU SoaAQutMAXrtLD4k7kxuze0gFOKVKoumtnJHWSoB8FAkM9efzDOQItbf8qowMTI8vLcN x0eovqaFN7AQn01acEfRKG4NeIwO4d3EslscfRRuWzYWMM385Ta0wKN91oPiihLiFRoc gPeIioOWGRV7BZvCpmm5zx1IrJTlHJ/LyG3MfrqXkWM6uKRWC6lA9NwVfAy+LY+CCHNH ktRaUCb84v8pbMy94JG8M8N3QQmdKNCKz/pyWF3V9Dpr1//RU2hnDpcEnnDXHDLYCfNN aurg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:content-disposition:mime-version :message-id:subject:cc:to:from:date:dkim-signature; bh=NfsVd+paNbFCf+lVJNVeNuwNcS/giE10aZS+Eiu/vhg=; b=W2VsW3NZ41rX/QxamRCu+hHlQZAc2J5c9Ob11xaZ+Se2KJL182xnyP743M/V6vrMnu 0WT3uOcyjaGDnUQJEDiYvpxpk3sJh3TcsbMLJpOs+9q3JAf91tIMQ9CNTFwNYgq7nAKp Vqj6ExmpePo+CX/tZei2ackobh3PpIZ5S/Kh5p/rF+NC36O7AXnGne+4lzvF2y16wCzV cttgbMEwdhY9MBVfH8PMPfFhuXI0tLI7q0uV2p/5JD7t3/8wDwaqERtu81wW7JpaBZjr NJCAtNOmIEWs3VHn0FUef2dahENFT8beYfuUuO47eUsvtLNiN6eWNZlJMlrbm3GRwBaM vQfA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Ev9E7Fio; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [23.128.96.19]) by mx.google.com with ESMTPS id s20-20020a635254000000b003db17cfc40csi2235493pgl.659.2022.05.18.05.25.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 May 2022 05:25:50 -0700 (PDT) Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=Ev9E7Fio; spf=softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BF97BAF334; Wed, 18 May 2022 05:22:35 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236397AbiERMWY (ORCPT + 99 others); Wed, 18 May 2022 08:22:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54260 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236375AbiERMWS (ORCPT ); Wed, 18 May 2022 08:22:18 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 83F135EDDB for ; Wed, 18 May 2022 05:22:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652876536; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=NfsVd+paNbFCf+lVJNVeNuwNcS/giE10aZS+Eiu/vhg=; b=Ev9E7FioHHNtY9gWRM74+QHVbgRvBgXDiwX7+17D5zPrFjLdLvSAsHxKowkubsG6DUhyfj DiOJbLYhzeGJvLcVVYAQZGgSJbJcA8KIP4YUe/Nkh1ZYbeAWW8Ar+lbuBA5Ifwp/NaYveg 3KkaOf4CiD+cJLOyClWKLyc/wY2xRmM= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-594-MZu_C_yEOqOFTCoJoOQEiQ-1; Wed, 18 May 2022 08:22:13 -0400 X-MC-Unique: MZu_C_yEOqOFTCoJoOQEiQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 592CC180138A; Wed, 18 May 2022 12:22:12 +0000 (UTC) Received: from asgard.redhat.com (unknown [10.36.110.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 016E51410DD5; Wed, 18 May 2022 12:22:08 +0000 (UTC) Date: Wed, 18 May 2022 14:22:06 +0200 From: Eugene Syromiatnikov To: Jiri Olsa , Masami Hiramatsu , Steven Rostedt , Ingo Molnar , Alexei Starovoitov , Daniel Borkmann Cc: Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf v3 0/2] Fix kprobe_multi interface issues for 5.18 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no 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 Hello. While [1] seems to require additional work[2] due to changes in the interface (and it has already been re-targeted for bpf-next), I would like to ask to consider the following two patches, that fix possible out-of-bounds write and properly disable the interface for 32-bit compat user space, for the 5.18 release. Thank you. [1] https://lore.kernel.org/lkml/cover.1652772731.git.esyr@redhat.com/ [2] https://lore.kernel.org/lkml/YoTXiAk1EpZ0rLKE@krava/ Eugene Syromiatnikov (2): bpf_trace: check size for overflow in bpf_kprobe_multi_link_attach bpf_trace: bail out from bpf_kprobe_multi_link_attach when in compat kernel/trace/bpf_trace.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) -- 2.1.4