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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 39155C636D6 for ; Thu, 23 Feb 2023 14:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234074AbjBWOP3 (ORCPT ); Thu, 23 Feb 2023 09:15:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234125AbjBWOP3 (ORCPT ); Thu, 23 Feb 2023 09:15:29 -0500 Received: from mail-lf1-x12d.google.com (mail-lf1-x12d.google.com [IPv6:2a00:1450:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4189E515DD for ; Thu, 23 Feb 2023 06:15:28 -0800 (PST) Received: by mail-lf1-x12d.google.com with SMTP id bp25so14066985lfb.0 for ; Thu, 23 Feb 2023 06:15:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=pyGjuWdasNRFusxjWdV0aphmyUtaLZ0gwqHWlHx6iAQ=; b=S9OZNs0VHjSIFqYSRN0YZnQGK8E7+NO9ncj94bLKSXv0Yu28ZFnK0dzWX/XW7NJMO6 EoHgvWkharoXDVAAax2Wj+0+JNXH6kXkVFo5kf0q6YUsyaT9SMyy3mVOSwSFr6pF6BOc Wu7xy9OEfA3XKdJVwsrepVYhzh81RsAQXRzPRlecylONSBOGtRdBzMYhf+/X2kUdAwbO dxSQ82SYlt1QUEEOP0FW+TGQKx6kZvWCUlW7c2N5JwvykzNW2g/CzKbZchioihhatZku SX1ogDRwqo7Z4yEeoEM9SvWfsSxwS9sLBvc8j8gBadpqU/1U4Kza2xV/WzIk7xIxXYo2 /ifg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=pyGjuWdasNRFusxjWdV0aphmyUtaLZ0gwqHWlHx6iAQ=; b=5FSvlzf6S9CJSWK6SwGk7LVl4OyETczewHdaeJ0T2lmOlWsj2bb8WWpzsw+sdovDbA kC0uzf/kX//KU3boP+4ipp6IIXKTzYSApAITiOd5LFHHMeQuy6BpicqJjbsU4SDV5k+B ZV16gr/DwRa84nanCDrtujVG+/Hly/uQzHik1W3NO410K7LTZkbtjNm/Ql56vyMS/oqz u5ynfDnTS/3UQdHMnRoHuuIQj9XJjwiy90TD5vowck/HMeK17nSI+xhfvGUcwF4KpQbm GV8n8pR43o6gkI1wc9QIqV2sRu6l+bmec5we2Ev7bfPN/gxNsvjueMOrdrj5L5k5MA7F XxRQ== X-Gm-Message-State: AO0yUKWKi9GlpR1LY8YplIntK+78dPU4sboAhN8VfcemX0gjGEYaqnOs WBlKmb7EMUqleHgsLY5nLaY= X-Google-Smtp-Source: AK7set/DqnMLvGCNvmjGFFggzpM0PKJR8MfolXsNS3YIbIT6ioJHBzHQ9vGLaH55VWwehmNvSGonTw== X-Received: by 2002:ac2:4a64:0:b0:4db:3e56:55c8 with SMTP id q4-20020ac24a64000000b004db3e5655c8mr3808688lfp.59.1677161726334; Thu, 23 Feb 2023 06:15:26 -0800 (PST) Received: from [192.168.1.94] (host-176-36-0-241.b024.la.net.ua. [176.36.0.241]) by smtp.gmail.com with ESMTPSA id o11-20020a2e90cb000000b002958c2a2380sm745278ljg.20.2023.02.23.06.15.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Feb 2023 06:15:25 -0800 (PST) Message-ID: <52b1b8799f9cfa4ad1d0942d1ace89866dde08df.camel@gmail.com> Subject: Re: bpf: Question about odd BPF verifier behaviour From: Eduard Zingerman To: Matt Bobrowski Cc: bpf@vger.kernel.org, andrii@kernel.org, acme@redhat.com Date: Thu, 23 Feb 2023 16:15:24 +0200 In-Reply-To: <17833347f8cec0e44d856aeafbb1bbe203526237.camel@gmail.com> References: <17833347f8cec0e44d856aeafbb1bbe203526237.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4-0ubuntu1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, 2023-02-23 at 14:42 +0200, Eduard Zingerman wrote: [...] > - pahole: > git@github.com:acmel/dwarves.git > ef68019 ("pahole: Update man page for options also") [...] > - gcc (from my distro): > gcc version 11.3.0 (Ubuntu 11.3.0-1ubuntu1~22.04) For the sake of completeness I tried pahole `master` instead of `next`: 431df45 ("btfdiff: Exclude Rust CUs since those are not yet being converted to BTF on the Linux kernel") And gcc 12 for kernel build (looks like its the gcc version for Debian 12). The example still works. =C2=AF\_(=E3=83=84)_/=C2=AF