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Message-Id: <20220504202920.72908-2-Jason@zx2c4.com>
Date: Wed, 4 May 2022 22:29:15 +0200
From: "Jason A. Donenfeld" <Jason@...c4.com>
To: netdev@...r.kernel.org, kuba@...nel.org
Cc: "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH net 1/6] wireguard: selftests: make routing loop test non-fatal
I hate to do this, but I still do not have a good solution to actually
fix this bug across architectures. So just disable it for now, so that
the CI can still deliver actionable results. This commit adds a large
red warning, so that at least the failure isn't lost forever, and
hopefully this can be revisited down the line.
Link: https://lore.kernel.org/netdev/CAHmME9pv1x6C4TNdL6648HydD8r+txpV4hTUXOBVkrapBXH4QQ@mail.gmail.com/
Link: https://lore.kernel.org/netdev/YmszSXueTxYOC41G@zx2c4.com/
Link: https://lore.kernel.org/wireguard/CAHmME9rNnBiNvBstb7MPwK-7AmAN0sOfnhdR=eeLrowWcKxaaQ@mail.gmail.com/
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
tools/testing/selftests/wireguard/netns.sh | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh
index 8a9461aa0878..8a543200a61a 100755
--- a/tools/testing/selftests/wireguard/netns.sh
+++ b/tools/testing/selftests/wireguard/netns.sh
@@ -280,7 +280,19 @@ read _ _ tx_bytes_before < <(n0 wg show wg1 transfer)
! n0 ping -W 1 -c 10 -f 192.168.241.2 || false
sleep 1
read _ _ tx_bytes_after < <(n0 wg show wg1 transfer)
-(( tx_bytes_after - tx_bytes_before < 70000 ))
+if ! (( tx_bytes_after - tx_bytes_before < 70000 )); then
+ errstart=$'\x1b[37m\x1b[41m\x1b[1m'
+ errend=$'\x1b[0m'
+ echo "${errstart} ${errend}"
+ echo "${errstart} E R R O R ${errend}"
+ echo "${errstart} ${errend}"
+ echo "${errstart} This architecture does not do the right thing ${errend}"
+ echo "${errstart} with cross-namespace routing loops. This test ${errend}"
+ echo "${errstart} has thus technically failed but, as this issue ${errend}"
+ echo "${errstart} is as yet unsolved, these tests will continue ${errend}"
+ echo "${errstart} onward. :( ${errend}"
+ echo "${errstart} ${errend}"
+fi
ip0 link del wg1
ip1 link del wg0
--
2.35.1
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