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Tue, 09 Jun 2026 23:22:45 -0700 (PDT) X-Received: by 2002:a17:90b:2741:b0:366:10f1:3d86 with SMTP id 98e67ed59e1d1-370f0b55ebbmr26002492a91.22.1781072564691; Tue, 09 Jun 2026 23:22:44 -0700 (PDT) Received: from ross-pc.local ([2407:7000:b06c:d300:82a9:bf58:ce21:a41d]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-37645c1aeb5sm946176a91.2.2026.06.09.23.22.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 23:22:44 -0700 (PDT) From: Ross Porter To: linux-kselftest@vger.kernel.org, netdev@vger.kernel.org Cc: ross.porter@canonical.com, stable@vger.kernel.org, Edoardo Canepa , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Oscar Maes , Brett A C Sheffield , linux-kernel@vger.kernel.org Subject: [PATCH 1/1] selftests: net: fix file owner for broadcast_ether_dst test Date: Wed, 10 Jun 2026 18:22:29 +1200 Message-ID: <20260610062230.71573-2-ross.porter@canonical.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260610062230.71573-1-ross.porter@canonical.com> References: <20260610062230.71573-1-ross.porter@canonical.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Ensure the output file is always owned by root (even if tcpdump was compiled with `--with-user`), by passing the `-Z root` argument when invoking it. Cc: stable@vger.kernel.org Reported-by: Edoardo Canepa Closes: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2129815 Fixes: bf59028ea8d4 ("selftests: net: add test for destination in broadcast packets") Suggested-by: Edoardo Canepa Tested-by: Ross Porter Signed-off-by: Ross Porter --- tools/testing/selftests/net/broadcast_ether_dst.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/broadcast_ether_dst.sh b/tools/testing/selftests/net/broadcast_ether_dst.sh index 334a7eca8a80..5e7a8fe23c7a 100755 --- a/tools/testing/selftests/net/broadcast_ether_dst.sh +++ b/tools/testing/selftests/net/broadcast_ether_dst.sh @@ -44,7 +44,7 @@ test_broadcast_ether_dst() { # tcpdump will exit after receiving a single packet # timeout will kill tcpdump if it is still running after 2s timeout 2s ip netns exec "${CLIENT_NS}" \ - tcpdump -i link0 -c 1 -w "${CAPFILE}" icmp &> "${OUTPUT}" & + tcpdump -i link0 -c 1 -w "${CAPFILE}" icmp -Z root &> "${OUTPUT}" & pid=$! slowwait 1 grep -qs "listening" "${OUTPUT}" -- 2.53.0