From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2DBB528E0F; Fri, 5 Sep 2025 04:40:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757047204; cv=none; b=cdDXNhfIDpWXOedeEQFdFUrSmQ+QSD9/WOlD81QGL7SJRgneIPzsu27Z4VBXMPIza4yB6wDaI2HjulP0ZoLCMHWK024sPZm4ZNIt2FszxCMRTLwSw6jUKQLH5Sr4j+/wpcBAZQ99l7hxqy3OyPnGPphgp9PF2g+m/s6YGVBlQVI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757047204; c=relaxed/simple; bh=ahWTKTjoAzuZYQKntEwUqtEmeCcmN72r3D1Ewzt4myo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ExMqQlHHFzl1/WKdSE1ZJv0AEDLzCFRxNkPobopbaAv+hOiF9jCQACzeCmuEydS0tMM6gPy8tbTjT2RD5AmhRih1YTAO9LBwI93uSqdcteMXhbx4YT+yrzg16tPyuKUnPyNGhC2KRSE89g0NFjdR6RmW9BvT2KpXEHxG4ixr8dY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JP+QEq1r; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JP+QEq1r" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DF62C4CEF1; Fri, 5 Sep 2025 04:40:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757047202; bh=ahWTKTjoAzuZYQKntEwUqtEmeCcmN72r3D1Ewzt4myo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=JP+QEq1rVvbL9A2at6o0ayHXorT+3gfSHFohTuWV2knyx2rPIAyqLYza5HjPKqQof p6E+fkGoXj6wBhiliAkgO3UKHJ4iBf6gl/6lc7sWuY4BZlNWz67mPmClhKlvfJlrxs DDobqYbF6u2T6LY12UMYvH1FPrJoQBHMOiaHqTFOA0mS5bTrshmNkNV51UcOJDDZdA BCBPqixfGUIUz7q6J8pHs6g01utSbUHyU9g/PSOwjnKTjYwCuPEVH/3FaCFsGTMRae iQ23Abv/+tBYnivcTCxENwmxHhXfG3vXU4dr6hmtbYXTLjbf5QXNK2YPjfO61nafrj xw9MP0GTWHiZA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70EA1383BF6E; Fri, 5 Sep 2025 04:40:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v2] bpf: Return an error pointer for skb metadata when CONFIG_NET=n From: patchwork-bot+netdevbpf@kernel.org Message-Id: <175704720726.2040233.14416715550845676114.git-patchwork-notify@kernel.org> Date: Fri, 05 Sep 2025 04:40:07 +0000 References: <20250901-dynptr-skb-meta-no-net-v2-1-ce607fcb6091@cloudflare.com> In-Reply-To: <20250901-dynptr-skb-meta-no-net-v2-1-ce607fcb6091@cloudflare.com> To: Jakub Sitnicki Cc: bpf@vger.kernel.org, martin.lau@linux.dev, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, kernel-team@cloudflare.com, netdev@vger.kernel.org, lkp@intel.com Hello: This patch was applied to bpf/bpf-next.git (master) by Martin KaFai Lau : On Mon, 01 Sep 2025 15:27:43 +0200 you wrote: > Kernel Test Robot reported a compiler warning - a null pointer may be > passed to memmove in __bpf_dynptr_{read,write} when building without > networking support. > > The warning is correct from a static analysis standpoint, but not actually > reachable. Without CONFIG_NET, creating dynptrs to skb metadata is > impossible since the constructor kfunc is missing. > > [...] Here is the summary with links: - [bpf-next,v2] bpf: Return an error pointer for skb metadata when CONFIG_NET=n https://git.kernel.org/bpf/bpf-next/c/54728bd535fb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html