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[23.128.96.18]) by mx.google.com with ESMTP id y11si5344638edd.214.2022.01.29.09.54.46; Sat, 29 Jan 2022 09:55:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=G4bb5x24; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346197AbiA1Fbq (ORCPT + 99 others); Fri, 28 Jan 2022 00:31:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237144AbiA1Fbk (ORCPT ); Fri, 28 Jan 2022 00:31:40 -0500 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68168C061714; Thu, 27 Jan 2022 21:31:40 -0800 (PST) Received: by mail-pj1-x102d.google.com with SMTP id s2-20020a17090ad48200b001b501977b23so10007379pju.2; Thu, 27 Jan 2022 21:31:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=uH+S1HOxh4bJPXiMacZ+TMSTa1RCMltBNdnFPdeD0Sg=; b=G4bb5x24JtNPCVho7l6b5yTBc3s6n4vvv8j9hyaGNHAxjoT3WfQpFFo++wUFvSUH2T fbrPNJgqliydugV3q3aQYONuEnjg0NHp3NYvmwiA2z3LQ/2K/nRH2XoPmimL3obm11pA QyQdPD/j29yNS/C+k7o//sNPTCHuq9gfEH1AYFLeSl0rL00s4ZyXAKO/oq7oxtKxLIfB 5RgxFqPJ94O88ZHB1s8NcNrTKlkRvR1wSvPuvLMeUs4asD9xGW6auOcdbI4gpMwvxicM eIHRgrk+A3J42IkzQFCJ5rXwiyxjSmXdw3RR8nWQfuLGggGImt0y+FbYsSHS00b6tr4X GFvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=uH+S1HOxh4bJPXiMacZ+TMSTa1RCMltBNdnFPdeD0Sg=; b=2xvqMMSkiTO+tfXVnWC/BWBCcpCSgr+yrDsQO6r4R66sSvbVnEBmQ27Pk5jQFK8XpA Thbq9hVk6oDhyIUtHlCT/2xAF3cYGtgBBiB2bEK19fvJyY+sFDHfen8wtzv50Nyd8sOr K2mLrZrqF8TMopozh2NgjBpe3AvXJP3w8XA8ITwjiIt+CQS0VZHPpOsuCw73QRiqopLB zGe16F3tTPI2+yBX30aUtP88s16LV30FsnmqK03mdtEA+Y16FBVHv5Nfd+ha8IjW4L62 AogY/U6UE4C/P5nnJ32SBb/PWR0fuOx2+u54a74Y1KpZWOYZpdEd9yt//cmXVWSsRhmM +EmQ== X-Gm-Message-State: AOAM533YHHP9l95HIqusYMgdo3kVrtSYLfqwQIWAENSpEuPHBnt43yhR lycjSupTcImtmqYpaw++5vYHJBlR679vlj1asfU= X-Received: by 2002:a17:902:b682:: with SMTP id c2mr6512809pls.126.1643347899702; Thu, 27 Jan 2022 21:31:39 -0800 (PST) MIME-Version: 1.0 References: <20211210172034.13614-1-mcroce@linux.microsoft.com> <177da568-8410-36d6-5f95-c5792ba47d62@fb.com> In-Reply-To: <177da568-8410-36d6-5f95-c5792ba47d62@fb.com> From: Alexei Starovoitov Date: Thu, 27 Jan 2022 21:31:28 -0800 Message-ID: Subject: Re: [PATCH bpf-next] bpf: limit bpf_core_types_are_compat() recursion To: Yonghong Song Cc: Matteo Croce , bpf , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 20, 2021 at 10:34 PM Yonghong Song wrote: > > > https://reviews.llvm.org/D116063 improved the error message as below > to make it a little bit more evident what is the problem: > > $ clang -target bpf -O2 -g -c bug.c > > fatal error: error in backend: SubroutineType not supported for > BTF_TYPE_ID_REMOTE reloc Hi Matteo, Are you still working on a test? What's a timeline to repost the patch set? Thanks!