Automatic helper assignment in conntrack can trigger an upstream bug
where namespace deletion followed by immediate unload of conntrack
helper modules may cause kernel crashes. Disable automatic helper
assignment within created namespaces to avoid this issue.
Signed-off-by: Joe Stringer <j...@ovn.org>
---
tests/system-common-macros.at | 1 +
1 file changed, 1 insertion(+)
diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at
index 2c8e2a90cc6d..52ab7ff5652f 100644
--- a/tests/system-common-macros.at
+++ b/tests/system-common-macros.at
@@ -17,6 +17,7 @@ m4_define([ADD_NAMESPACES],
[DEL_NAMESPACES(ns)
AT_CHECK([ip netns add ns || return 77])
on_exit 'DEL_NAMESPACES(ns)'
+ ip netns exec ns sysctl -w net.netfilter.nf_conntrack_helper=0
])
]
)
--
2.1.4
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