From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-173.mta1.migadu.com (out-173.mta1.migadu.com [95.215.58.173]) (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 2870D346E50 for ; Fri, 19 Jun 2026 06:36:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781850969; cv=none; b=ElbAdAW6ys7/XopLtjyfHgM0FrHBCDBt39R1zn5BRNA3aS2OlCOZm4tB5jbECRDLLY6DndCHDrMisVSp5fGYE35pM/OQtyv0RQyIHUxR/w+0nzJSXnDTNvqXw/Bpljo8zCG06+H4KzjO/F0smo0yMqAUGBamsRaxCfLSWXuKAlE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781850969; c=relaxed/simple; bh=rOArnfKPATJkYYumpandljz3xZTiXVcjL/j0XUj+YII=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=c0ATcB1R+XS5P3R3KtAnXKVc4+8zdqvsXwfBEUYX0TYnNX2EjEY+n77/2nk0Z3E7bhB5JxL3OGGNHB9bqEpncOmyFRVNFkFrZ2iyZbaFyXimdi1tVuE9AvetKdLhWpzbZqmG89Hqcd2Bh9sWBRF9YsHgQLC87PI02SI39ofuRlI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ZIdlrU9k; arc=none smtp.client-ip=95.215.58.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ZIdlrU9k" Message-ID: <97e15692-af14-4a3f-99ed-61fda50fe68f@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1781850966; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rOArnfKPATJkYYumpandljz3xZTiXVcjL/j0XUj+YII=; b=ZIdlrU9kkEk7gMIEDcoZTRyKTmSYK4eElAgHE0eYDq7kdhaPD1s7/wVFKarpoxd0yj4tbY ucxkXUZ75D+OIhiICK0xgULYcAy2alParSxDsHCB9mLwKbnaCZNJ1Rzp6YdzsTq8M73Wjy anF8szLSmHxjheQNWEr2AdZApi+Wa9U= Date: Fri, 19 Jun 2026 14:35:49 +0800 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH bpf v4 3/3] selftests/bpf: test rejection of a packet-modifying SK_SKB stream parser To: Sechang Lim , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Eduard Zingerman , Kumar Kartikeya Dwivedi , John Fastabend , Jakub Sitnicki , "David S . Miller" , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Kuniyuki Iwashima , Willem de Bruijn , Shuah Khan Cc: Jiri Olsa , Martin KaFai Lau , Song Liu , Yonghong Song , Simon Horman , Bobby Eshleman , Jiayuan Chen , bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org References: <20260619062959.3277612-1-rhkrqnwk98@gmail.com> <20260619062959.3277612-4-rhkrqnwk98@gmail.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Jiayuan Chen In-Reply-To: <20260619062959.3277612-4-rhkrqnwk98@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 6/19/26 2:29 PM, Sechang Lim wrote: > Verify that attaching an SK_SKB stream parser that can modify the packet > is rejected, while a read-only parser still attaches. > > Signed-off-by: Sechang Lim Reviewed-by: Jiayuan Chen