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([49.207.206.70]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bd5cfe6487sm63803245ad.54.2026.05.15.08.20.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 May 2026 08:20:24 -0700 (PDT) From: Faisal Bukhari To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com, memxor@gmail.com, shuah@kernel.org Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] selftests/bpf: fix tunnel option size in ip6geneve_set_tunnel() Date: Fri, 15 May 2026 20:48:30 +0530 Message-ID: <20260515151830.711129-1-faisalbukhari523@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Pass the correct size to bpf_skb_set_tunnel_opt() in ip6geneve_set_tunnel(). sizeof(gopt) returns the size of the pointer instead of the actual Geneve option structure, resulting in an incorrect option length being passed to the helper. Use sizeof(local_gopt) to provide the proper structure size. Signed-off-by: Faisal Bukhari --- tools/testing/selftests/bpf/progs/test_tunnel_kern.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/progs/test_tunnel_kern.c b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c index 30f1de458669d..ca04d1d1ade4e 100644 --- a/tools/testing/selftests/bpf/progs/test_tunnel_kern.c +++ b/tools/testing/selftests/bpf/progs/test_tunnel_kern.c @@ -674,7 +674,7 @@ int ip6geneve_set_tunnel(struct __sk_buff *skb) gopt->length = 2; /* 4-byte multiple */ *(int *) &gopt->opt_data = bpf_htonl(0xfeedbeef); - ret = bpf_skb_set_tunnel_opt(skb, gopt, sizeof(gopt)); + ret = bpf_skb_set_tunnel_opt(skb, gopt, sizeof(local_gopt)); if (ret < 0) { log_err(ret); return TC_ACT_SHOT; -- 2.43.0