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[34.85.134.180]) by smtp.gmail.com with UTF8SMTPSA id 956f58d0204a3-64eabea0166sm2590013d50.15.2026.03.20.17.40.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 17:40:10 -0700 (PDT) Date: Fri, 20 Mar 2026 20:40:10 -0400 From: Willem de Bruijn To: Nick Hudson , bpf@vger.kernel.org, netdev@vger.kernel.org Cc: Willem de Bruijn , Nick Hudson , Max Tottenham , Anna Glasgall , Martin KaFai Lau , Daniel Borkmann , Alexei Starovoitov , Andrii Nakryiko , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org Message-ID: In-Reply-To: <20260318134242.2725749-5-nhudson@akamai.com> References: <20260318134242.2725749-1-nhudson@akamai.com> <20260318134242.2725749-5-nhudson@akamai.com> Subject: Re: [PATCH v2 4/5] bpf: allow new DECAP flags and add guard rails Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Nick Hudson wrote: > Add checks to require shrink-only decap, reject conflicting decap flag > combinations, and verify removed length is sufficient for claimed header > decapsulation. > > Co-developed-by: Max Tottenham > Signed-off-by: Max Tottenham > Co-developed-by: Anna Glasgall > Signed-off-by: Anna Glasgall > Signed-off-by: Nick Hudson Reviewed-by: Willem de Bruijn