From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8D77D50F for ; Thu, 12 Oct 2023 16:34:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Wy1AYKlx" Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3FA9C0 for ; Thu, 12 Oct 2023 09:34:42 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id 2adb3069b0e04-50307acd445so1526274e87.0 for ; Thu, 12 Oct 2023 09:34:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697128481; x=1697733281; darn=vger.kernel.org; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:to:from:subject:message-id:from:to:cc :subject:date:message-id:reply-to; bh=AG8Sjr/fsPYw0Q2lnlHH23IhUrMKJW6WVMG/Wjf6DSw=; b=Wy1AYKlx3EbRradRIgkixDeqgNMDztcTek2UI8cKnvBaIz2dhpkN0RoBxHGHDkXDXk QcjYHiwNcKnAFMKX6jTXIt4PiH0eMBa8GUSPLuFCvLb2M1TL15ShFUhvc2rcORtVnZeC SNmwWFeoWc/drx5J0FYgfZPpiTNzKZk/VEW+6K2wN49S5/txkG8hwA+Cot94PtTA9CYm FeoQuy3YRsB+sW8F1EAFDSs8Vpv4xQm9Qypdlt5d8i717bg7dXH2u1I4EIFqI5f9DGvN E1GwO9ZfTc8lHQGWyHGQ4/XhlMpffUipj2VORXNIGZ6fEKH75IIlnw08eYp2j9/tQ6lI uCAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697128481; x=1697733281; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:to:from:subject:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=AG8Sjr/fsPYw0Q2lnlHH23IhUrMKJW6WVMG/Wjf6DSw=; b=h68h2Rl3kYQNIom+j5QWCUNHDzAl1r+GHPp5PX3Qi6cafrcN1yBZMH0abSjz+2EMlr 5xLMe0xk3kIq20VFCfVF0rFxcKPurMRXb+HOtnqzb3jVe2myfPT5pVqclCIOOkNlHHQQ HW/cFWeBF0tiVxcWat+/gM1umAgDw2haqa9wFK0BEsLx3z6YfpdIl7UeCAaQgQa4Y7JL N+jzxwUZhjV7qAJBUqYdWyRQw0+yndCBBtxDRd5KH4NSglwa1lXTVvyoq2wbu7qzEU5x 5Uj4Bj2HEvzKznpZteiZpcuJINX/+EpevzdxVaqmAlyAxMDz4n9vFNnt1JM1ycJI+Ad/ vyig== X-Gm-Message-State: AOJu0Yw5Ds5ILgt9Z2ltYu9s+iDzjLdb38mwZLpflMwUxv7ewAXW687n BCoLnOjMx8AqyzPfq1nouhKJDoQ90atO7w== X-Google-Smtp-Source: AGHT+IFPYvxm1+segTzoDDFYm5C09UYOHbN7AI4/bl/Op3cQCEAfKVezswQOhy875pZUnpyEMi1XAw== X-Received: by 2002:a05:6512:ea5:b0:4f8:77db:1d9e with SMTP id bi37-20020a0565120ea500b004f877db1d9emr29965463lfb.12.1697128480780; Thu, 12 Oct 2023 09:34:40 -0700 (PDT) Received: from [192.168.1.95] (host-176-36-0-241.b024.la.net.ua. [176.36.0.241]) by smtp.gmail.com with ESMTPSA id j7-20020a19f507000000b005057184ae5dsm2871654lfb.119.2023.10.12.09.34.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Oct 2023 09:34:39 -0700 (PDT) Message-ID: <26b213505abeefba2728d238927ddd1907967786.camel@gmail.com> Subject: Re: Is tools/testing/selftests/bpf/ maintained? From: Eduard Zingerman To: Tetsuo Handa , bpf , KP Singh Date: Thu, 12 Oct 2023 19:34:38 +0300 In-Reply-To: References: Autocrypt: addr=eddyz87@gmail.com; prefer-encrypt=mutual; keydata=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 nYzhLWGcczc6J71q1Dje0l5vIPaSFOgwmWD4DA+WvuxM/shH4rtWeodbv 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 t1iq+gsfnXbPz5AnS598ScZI1oP7OrPSFJkt/z4acEbOQDQs8aUqrd46PV jsdqGvKnXZxzylux29UTNby4jTlz9pNJM+wPrDRmGfchLDUmf6CffaUYCbu4FiId+9+dcTCDvxbABRy1C3OJ8QY7cxfJ+pEZW18fRJ0XCl/fiV/ecAOfB3HsqgTzAn555h0rkFgay0hAvMU/mAW/CFNSIxV397zm749ZNLA0L2dMy1AKuOqH+/B+/ImBfJMDjmdyJQ8WU/OFRuGLdqOd2oZrA1iuPIa+yUYyZkaZfz/emQwpIL1+Q4p1R/OplA4yc301AqruXXUcVDbEB+joHW3hy5FwK5t5OwTKatrSJBkydSF9zdXy98fYzGniRyRA65P0Ix/8J3BYB4edY2/w0Ip/mdYsYQljBY0A== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.0 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,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 On Thu, 2023-10-12 at 22:39 +0900, Tetsuo Handa wrote: > Hello. >=20 > I'm having problem with finding BPF LSM examples that work. > I tried building tools/testing/selftests/bpf/progs/lsm.c and > tools/testing/selftests/bpf/prog_tests/test_lsm.c explained at > https://docs.kernel.org/bpf/prog_lsm.html , but got a lot of errors. Hello, > Is tools/testing/selftests/bpf/ maintained? It pretty much is, build it every day :) And we have a CI too: https://github.com/kernel-patches/bpf . I tried setting up a minimal Debian chroot to showcase the build and came up with the following list of commands: # Use trixie to get llvm-16 sudo /usr/sbin/debootstrap --variant=3Dbuildd --arch=3Damd64 trixie trixie-= chroot/ http://deb.debian.org/debian # don't forget to umount with 'umount -R ...' sudo mount --rbind /dev/pts trixie-chroot/dev/pts sudo mount -t proc proc trixie-chroot/proc sudo chroot trixie-chroot # The reset of commands are from chroot itself, first as root apt install build-essential llvm clang lld bc flex bison pahole git \ libelf-dev libssl-dev docutils-common rsync # Note: you might want to build pahole from source useradd -d /home/eddy -s /bin/bash eddy mkdir /home/eddy chown eddy /home/eddy su eddy # Now as a user 'eddy': cd /home/eddy git clone https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds= /linux.git cd linux/ ./scripts/kconfig/merge_config.sh tools/testing/selftests/bpf/config tools/= testing/selftests/bpf/config.x86_64 # Note: kernel build is mandatory, as vmlinux.h is constructed from DWARF i= n ./vmlinux make -j14 make -j14 headers make -j14 -C tools/testing/selftests/bpf/ Hope this helps, Eduard