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linux/tools/testing
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Hangbin Liu 5d241eb8a1 selftests: nft_nat: ensuring the listening side is up before starting the client 
[ Upstream commit 2067e7a00a ]

The test_local_dnat_portonly() function initiates the client-side as
soon as it sets the listening side to the background. This could lead to
a race condition where the server may not be ready to listen. To ensure
that the server-side is up and running before initiating the
client-side, a delay is introduced to the test_local_dnat_portonly()
function.

Before the fix:
  # ./nft_nat.sh
  PASS: netns routing/connectivity: ns0-rthlYrBU can reach ns1-rthlYrBU and ns2-rthlYrBU
  PASS: ping to ns1-rthlYrBU was ip NATted to ns2-rthlYrBU
  PASS: ping to ns1-rthlYrBU OK after ip nat output chain flush
  PASS: ipv6 ping to ns1-rthlYrBU was ip6 NATted to ns2-rthlYrBU
  2023/02/27 04:11:03 socat[6055] E connect(5, AF=2 10.0.1.99:2000, 16): Connection refused
  ERROR: inet port rewrite

After the fix:
  # ./nft_nat.sh
  PASS: netns routing/connectivity: ns0-9sPJV6JJ can reach ns1-9sPJV6JJ and ns2-9sPJV6JJ
  PASS: ping to ns1-9sPJV6JJ was ip NATted to ns2-9sPJV6JJ
  PASS: ping to ns1-9sPJV6JJ OK after ip nat output chain flush
  PASS: ipv6 ping to ns1-9sPJV6JJ was ip6 NATted to ns2-9sPJV6JJ
  PASS: inet port rewrite without l3 address

Fixes: 282e5f8fe9 ("netfilter: nat: really support inet nat without l3 address")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2023-03-17 08:50:23 +01:00
..
crypto/chacha20-s390 tools/testing/crypto: Use vzalloc instead of vmalloc+memset 2022-07-05 14:46:36 +02:00
cxl tools/testing/cxl: Add a single-port host-bridge regression config 2022-11-04 16:01:24 -07:00
fault-injection docs: fault-injection: convert docs to ReST and rename to *.rst 2019-06-14 14:21:07 -06:00
ktest ktest.pl: Add RUN_TIMEOUT option with default unlimited 2023-03-10 09:34:27 +01:00
kunit kunit: tool: Don't download risc-v opensbi firmware with wget 2022-10-07 10:16:28 -06:00
memblock Revert "mm: Always release pages to the buddy allocator in memblock_free_late()." 2023-02-22 12:59:50 +01:00
nvdimm ndtest: Cleanup all of blk namespace specific code 2022-07-12 17:57:55 -07:00
radix-tree maple_tree: reorganize testing to restore module testing 2022-11-08 15:57:22 -08:00
scatterlist tools/testing/scatterlist: add missing defines 2022-01-30 09:56:58 +02:00
selftests selftests: nft_nat: ensuring the listening side is up before starting the client 2023-03-17 08:50:23 +01:00
vsock vsock_test: POLLIN + SO_RCVLOWAT test 2022-08-23 10:43:12 +02:00