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selftests: netfilter: run conntrack_dump_flush in netns

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This test will fail if the initial namespace has conntrack
active due to unexpected number of flows returned on dump:

  conntrack_dump_flush.c:451:test_flush_by_zone:Expected ret (7) == 2 (2)
  test_flush_by_zone: Test failed
  FAIL  conntrack_dump_flush.test_flush_by_zone
  not ok 2 conntrack_dump_flush.test_flush_by_zone

Add a wrapper that unshares this program to avoid this problem.

Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://patch.msgid.link/20241104142529.2352-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Florian Westphal 2024-11-04 15:25:24 +01:00 • committed by Jakub Kicinski
parent f2c71c49da
commit fc49b80496
2 changed files with 5 additions and 2 deletions
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4
tools/testing/selftests/net/netfilter/Makefile
View file

@ -8,6 +8,7 @@ MNL_LDLIBS := $(shell $(HOSTPKG_CONFIG) --libs libmnl 2>/dev/null || echo -lmnl)
TEST_PROGS := br_netfilter.sh bridge_brouter.sh
TEST_PROGS += br_netfilter_queue.sh
TEST_PROGS += conntrack_dump_flush.sh
TEST_PROGS += conntrack_icmp_related.sh
TEST_PROGS += conntrack_ipip_mtu.sh
TEST_PROGS += conntrack_tcp_unreplied.sh
@ -36,10 +37,9 @@ TEST_PROGS += xt_string.sh
TEST_PROGS_EXTENDED = nft_concat_range_perf.sh
TEST_GEN_PROGS = conntrack_dump_flush
TEST_GEN_FILES = audit_logread
TEST_GEN_FILES += connect_close nf_queue
TEST_GEN_FILES += conntrack_dump_flush
TEST_GEN_FILES += conntrack_reverse_clash
TEST_GEN_FILES += sctp_collision

3
tools/testing/selftests/net/netfilter/conntrack_dump_flush.sh Executable file
View file

@ -0,0 +1,3 @@
#!/bin/bash
exec unshare -n ./conntrack_dump_flush