From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2BDB1E4BE for ; Fri, 4 Jul 2025 13:06:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751634400; cv=none; b=XFFYkn0rr6uNhVllJcMFsz05kCMHqZ4osTgKqM++8Jp1hjvvAFAF2pAr14QLP/YeWaOKYpoP2Gq9gbTUsLnio/InfywLzcDBVCBQz/Z+d4RL7OBlJdsXFV26Zh6ziUSWAGLd+2655WVvqchFHt6/hznlONAZcuK2N2C/MQuz70c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751634400; c=relaxed/simple; bh=EEzAX4lJwRCsvcNkPFqNPPwuxBJmQtJPA6rCzWODgII=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pqqbYc1/8u3C+fphx9E0xAZcxqt6R3ncLjIEe9VLUZRknD8nhuDVtpUGsCRz5svABGY9NpmkKiyaByksi8vMuCLeSF2VLO/zlILHx6VD2r5YUEPkr6mxfoUlZC55rNkKdG7Xrx0KFBzF9ipLHTJX1U+nlTDemttfEniX96AKnEc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ig7b0SPI; arc=none smtp.client-ip=209.85.128.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ig7b0SPI" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-450cb2ddd46so4850065e9.2 for ; Fri, 04 Jul 2025 06:06:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1751634397; x=1752239197; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=VbDmVoB6QYzHRm1DxDCdoLuUxkx3HxhnJfz6vgwqWHw=; b=ig7b0SPISzaH5iWJBpzkDiYRdcVS8/cEiXBwLJlxlsHORZdy4j1U6ECJAITIftFYMV wnHI0fEP9S7YI7VJ2Xz0TML8Ihp3Y7TaBIjcfuGvqKRtAL39TSMSNcnH0luoLZUKXpMI zONC2ezs4HJuxHVzMe/N2mx2xUkPNWFglh9Iutz6x/FU1iYv1CuyISjgj/TPnahGLe+K AAcMwwnJ3qDZT58LBj3zthtLvjaMneg1oNe6WN0sWDI/r672xtUVmDNU61fuh1CSUonF YWTHBPgkI9F+e2v13Jaf1165aDKYIol5eDTcyAbenQQDGb6mdGPNJfgMNiUUkkFoDBRK xeIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751634397; x=1752239197; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=VbDmVoB6QYzHRm1DxDCdoLuUxkx3HxhnJfz6vgwqWHw=; b=SyVbdtjSi1tMprQIs8iMiZ0JFbH539bjiemmUqoGdDXSTwewaqHgCa8LmYPVNn/BkV lZh62qtnjjz+4YDm4tL0uktE4Zfhttzohg+gRjwtFoqKD3dtPpoapEIIcXBgm1JuEeNr uESNhqZFup+Tr2SCyl2y970sBJbLVtC5rxtfRxIn7Jr5p6DRlrzAdEzICXOfm9HVFFQP Z6Q+TvDYnXrZmrnLsgBNlLbAaV+LFD1YJ7BHvsyyKgoM4OM8clrRql45n1RVC4l05Rrf sXEQqFI7KkeJ34YFct0ufgY/6wMSWS2AQOLWgG+NCgDFu74XwaaW0Z4wWXzS++jPODec jBpw== X-Gm-Message-State: AOJu0YwY2TJ3g6g/gPmhkyE3Go6TuGYgWwH8V4dQwA/HY2ae0a3q79Ii HEXrg4EEcYI5kcR6gJx6rBAiLvQgyQrJ2/eWkPWStWpN7O3HwLVXZLa4GWgEXzzw X-Gm-Gg: ASbGnct5cMn/uZWsX/+zcl3bxXUOFfIrCBIEj9H87dILw29E43HW4hy/wi13VdfqA0B 2IjfvdPvsPNBzxqItSH7ohVSUr44/SClbDAFAHzbGNMe8J+5EkrRyR/e5q5v51Gwni04YetxuvU 72Ru+IdQ+sZwY+2dINkXNhTwA/2Tz8eABxkhu9aFrhpd8iMDMWYbldvR3CPSc1ETCQRjg9n+Tb0 fRR6qzoglI50aE4Ep05vzado1729X4H/YR48EKxQm/pOR/b/LY29yopUpP2Hw6f45BNH/X5rHEr qPC14ayHyzHCHbsxHdYlc8pi8o9yjogj0WWn5gan3KYKfDpOwgp2Yd7k4dwwAjZDBvJRbF+EYjV /uFyk/J3hq1wFX98DRcrg82t94XuSkdlwUA87/INCF1YLnJZFbg== X-Google-Smtp-Source: AGHT+IEZqvVwyieHO5BJ7Y2gBdtBG4zAux32SmUHpQaItIY+jWrrYAlguBR59+YH9k5i2rFhwmJV/A== X-Received: by 2002:a05:6000:240c:b0:3b3:9cc4:6830 with SMTP id ffacd0b85a97d-3b4964f7c5fmr2469846f8f.48.1751634396751; Fri, 04 Jul 2025 06:06:36 -0700 (PDT) Received: from Tunnel (2a01cb09e0612408276c52a81ead4591.ipv6.abo.wanadoo.fr. [2a01:cb09:e061:2408:276c:52a8:1ead:4591]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b471b97708sm2475114f8f.50.2025.07.04.06.06.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jul 2025 06:06:36 -0700 (PDT) Date: Fri, 4 Jul 2025 15:06:32 +0200 From: Paul Chaignon To: Eduard Zingerman Cc: bpf@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Subject: Re: [PATCH bpf-next 2/2] selftests/bpf: Negative test case for tail call map Message-ID: References: <1f395b74e73022e47e04a31735f258babf305420.1751578055.git.paul.chaignon@gmail.com> <7cec754c8d4cc2d93a50e9091d7ccc7f33d454d4.1751578055.git.paul.chaignon@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Jul 03, 2025 at 02:55:01PM -0700, Eduard Zingerman wrote: > On Thu, 2025-07-03 at 23:36 +0200, Paul Chaignon wrote: > > This patch adds a negative test case for the following verifier error. > > > > expected prog array map for tail call > > > > Signed-off-by: Paul Chaignon > > --- > > Nit: selftests/bpf/verifier binary is considered obsolete, I didn't know that. Too bad, those verifier/ tests were easy to extract and reuse as syzkaller seeds :) I've sent a v2 with the new test format. Thanks for the review! > new tests are mostly added as a part test_progs binary. > E.g. you can add a file progs/verifier_tailcalls.c, > register it in test_progs/verifier.c and define > tests using test_loader framework, e.g. see > progs/verifier_and.c. > > [...]