From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="b82miik3" Received: from mail-lf1-x12a.google.com (mail-lf1-x12a.google.com [IPv6:2a00:1450:4864:20::12a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DED8D5A for ; Thu, 23 Nov 2023 07:27:05 -0800 (PST) Received: by mail-lf1-x12a.google.com with SMTP id 2adb3069b0e04-50aabfa1b75so1300661e87.3 for ; Thu, 23 Nov 2023 07:27:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1700753223; x=1701358023; darn=vger.kernel.org; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:cc:to:from:subject:message-id:from:to :cc:subject:date:message-id:reply-to; bh=Qe8GeLqYwJZ0Sgp97DHACte562cvCk1GFVE+UEwyYoQ=; b=b82miik3i6+OdjMJcth1Am4hh0EZIgpkHTUsX06FntGAYno+a4VNbxlMKcgrQEeekk k7iQMID/TQ7GuuVwVgSrC+04PQjv7x7Nfa2h7wvHLARtADiFKpEEDTFf5O3JLhcolKpx grF4dq16bWWurNglbqyy4fEVYydtApy6KQjyug8UHEip/63ViUUJ/Oo+hcO9zC3mr7/7 ImmAQT3P4zF+kfU0X+YcU3kvHOplyPHIwdPOdKSRZDC1H4mXqC5CSSi+HU9o3VDDOYaS 26yQwjOwZeaVqTODHjFkQitksQqzL4XzE4aH5V+HPAzn1cr+8jGUzdL+LmQFxBVlXuf7 Wo0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700753223; x=1701358023; h=mime-version:user-agent:content-transfer-encoding:autocrypt :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=Qe8GeLqYwJZ0Sgp97DHACte562cvCk1GFVE+UEwyYoQ=; b=vFPGSGyproZlknfCMgQQktLUHl4eaK/W9ndeqr3xrq06TQH4hivk0zV8uRYRAwz0jV ESm1VSvAWC7KCOOiVsxexVmxZ0MoC253pt0q4VoLUMN98l9ozHjDU5ATwYaCCyJ+qmWb 3qx6dSDG9z3pRYvTrgl7I2mWpdotXUdhDHbQBDTGW2c45VhMep4dSdw4KTCa5XDs2JDL TZIOsV/OOH8SkstGcC/mTZfHg9luZVQftB+1ANBSJzhHK73GSlTh9JhXNEkR15yOz12f mx3/Qd94poxac69RcZOMbdQWVmWaiixMvT2ciEvbFXy6vrIa7dnzpY0mwYKhgxVeF5id IShw== X-Gm-Message-State: AOJu0Ywj/Ixkm7szjfqy1ivcXjswdlzfhC/aJjc+k0C85Xtmzz3Ca2Gz O0lpOGYdycSsB852o2+NxGOZgyKwfXxPYw== X-Google-Smtp-Source: AGHT+IHQ2p2cow4c/ex+pc5KhEwIAqM1SYBXbVv2YGxEKKp7UA5s33oF/uuBY9qLBGLOCz+8qwB6FQ== X-Received: by 2002:a05:651c:205:b0:2c6:eea4:3cfb with SMTP id y5-20020a05651c020500b002c6eea43cfbmr3997774ljn.50.1700753223093; Thu, 23 Nov 2023 07:27:03 -0800 (PST) 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 b25-20020a2ebc19000000b002c6eb321d87sm227934ljf.118.2023.11.23.07.27.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Nov 2023 07:27:02 -0800 (PST) Message-ID: <80b1929ff7acb9a5f50a3d12ab4cba59a0a786bc.camel@gmail.com> Subject: Re: [PATCH bpf-next 3/3] selftests/bpf: add lazy global subprog validation tests From: Eduard Zingerman To: Andrii Nakryiko , bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, martin.lau@kernel.org Cc: kernel-team@meta.com Date: Thu, 23 Nov 2023 17:27:01 +0200 In-Reply-To: <20231122213112.3596548-4-andrii@kernel.org> References: <20231122213112.3596548-1-andrii@kernel.org> <20231122213112.3596548-4-andrii@kernel.org> 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 3.50.1 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2023-11-22 at 13:31 -0800, Andrii Nakryiko wrote: > Add a few test that validate BPF verifier's lazy approach to validating > global subprogs. >=20 > We check that global subprogs that are called transitively through > another global subprog is validated. >=20 > We also check that invalid global subprog is not validated, if it's not > called from the main program. >=20 > And we also check that main program is always validated first, before > any of the subprogs. >=20 > Signed-off-by: Andrii Nakryiko > --- Acked-by: Eduard Zingerman