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selftests: net: test for lwtunnel dst ref loops

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As recently specified by commit 0ea09cbf83 ("docs: netdev: add a note
on selftest posting") in net-next, the selftest is therefore shipped in
this series. However, this selftest does not really test this series. It
needs this series to avoid crashing the kernel. What it really tests,
thanks to kmemleak, is what was fixed by the following commits:
- commit c71a192976 ("net: ipv6: fix dst refleaks in rpl, seg6 and
ioam6 lwtunnels")
- commit 92191dd107 ("net: ipv6: fix dst ref loops in rpl, seg6 and
ioam6 lwtunnels")
- commit c64a0727f9 ("net: ipv6: fix dst ref loop on input in seg6
lwt")
- commit 13e55fbaec ("net: ipv6: fix dst ref loop on input in rpl
lwt")
- commit 0e7633d7b9 ("net: ipv6: fix dst ref loop in ila lwtunnel")
- commit 5da15a9c11 ("net: ipv6: fix missing dst ref drop in ila
lwtunnel")

Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Link: https://patch.msgid.link/20250314120048.12569-4-justin.iurman@uliege.be
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Justin Iurman
2025-03-14 13:00:48 +01:00
committed by Paolo Abeni
parent 3e7a60b368
commit 3ed61b8938
3 changed files with 249 additions and 0 deletions
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2
tools/testing/selftests/net/config
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@@ -107,3 +107,5 @@ CONFIG_XFRM_INTERFACE=m
CONFIG_XFRM_USER=m
CONFIG_IP_NF_MATCH_RPFILTER=m
CONFIG_IP6_NF_MATCH_RPFILTER=m
CONFIG_IPV6_ILA=m
CONFIG_IPV6_RPL_LWTUNNEL=y