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Florian Westphal a794af4843 selftests: netfilter: query conntrack state to check for port clash resolution 
[ Upstream commit e84945bdc6 ]

Jakub reported this self test flaking occasionally (fails, but passes on
re-run) on debug kernels.

This is because the test checks for elapsed time to determine if both
connections were established in parallel.

Rework this to no longer depend on timing.
Use busywait helper to check that both sockets have moved to established
state and then query the conntrack engine for the two entries.

Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netfilter-devel/20250926163318.40d1a502@kernel.org/
Fixes: 117e149e26 ("selftests: netfilter: test nat source port clash resolution interaction with tcp early demux")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-10-19 16:33:42 +02:00
..
accounting delayacct: track delays from IRQ/SOFTIRQ 2023-04-18 16:39:34 -07:00
arch objtool/LoongArch: Mark special atomic instruction as INSN_BUG type 2025-09-25 11:13:45 +02:00
bootconfig tools/bootconfig: Fix the wrong format specifier 2025-02-08 09:58:00 +01:00
bpf bpftool: Fix JSON writer resource leak in version command 2025-08-20 18:30:38 +02:00
build tools build: Align warning options with perf 2025-10-19 16:33:40 +02:00
certs tools/certs: Add print-cert-tbs-hash.sh 2022-05-23 18:47:49 +03:00
cgroup memcg_slabinfo: Fix use of PG_slab 2025-08-15 12:13:46 +02:00
counter tools/counter: Remove unneeded semicolon 2023-12-20 11:43:31 -05:00
crypto crypto: tools/ccp - Remove unused variable 2024-08-30 18:22:30 +08:00
debugging tools: Add new "test" taint to kernel-chktaint 2022-09-07 14:51:12 -06:00
firewire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
firmware Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
gpio tools: gpio: remove the include directory on make clean 2025-09-09 18:58:25 +02:00
hv tools/hv: fcopy: Fix irregularities with size of ring buffer 2025-08-20 18:30:56 +02:00
iio tools: iio: rm .*.cmd when make clean 2024-09-05 19:27:13 +01:00
include tools/nolibc: make time_t robust if __kernel_old_time_t is missing in host headers 2025-10-15 12:00:02 +02:00
kvm/kvm_stat tools/kvm_stat: use canonical ftrace path 2023-03-29 06:52:08 -04:00
laptop change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
leds .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
lib libperf event: Ensure tracing data is multiple of 8 sized 2025-10-19 16:33:35 +02:00
memory-model tools/memory-model: simple.txt: Fix stale reference to recipes-pairs.txt 2024-09-13 23:56:44 -07:00
mm tools/mm: fix compile error 2024-11-14 22:43:48 -08:00
net tools: ynl-gen: validate 0 len strings from kernel 2025-05-29 11:03:12 +02:00
objtool objtool/LoongArch: Mark special atomic instruction as INSN_BUG type 2025-09-25 11:13:45 +02:00
pci tools: PCI: Remove unused BILLION macro 2024-09-13 22:37:06 +00:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf perf python: split Clang options when invoking Popen 2025-10-19 16:33:40 +02:00
power cpupower: Fix a bug where the -t option of the set subcommand was not working. 2025-09-09 18:58:02 +02:00
rcu tools/rcu: Remove RCU Tasks Rude asynchronous APIs from rcu-updaters.sh 2024-07-29 07:39:32 +05:30
sched_ext tools/sched_ext: Add helper to check task migration state 2025-03-22 12:54:28 -07:00
scripts tools/build: Fix s390(x) cross-compilation with clang 2025-08-20 18:30:24 +02:00
sound ASoC: dapm-graph: set fill colour of turned on nodes 2025-03-22 12:54:20 -07:00
spi spi: spidev_fdx: Fix the wrong format specifier 2024-09-04 16:50:33 +01:00
testing selftests: netfilter: query conntrack state to check for port clash resolution 2025-10-19 16:33:42 +02:00
thermal tools/thermal/tmon: Fix compilation warning for wrong format 2024-01-02 09:33:19 +01:00
time treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tracing rtla: Check pkg-config install 2025-09-04 15:31:42 +02:00
usb usbip: tools: Fix detach_port() invalid port error path 2024-10-29 04:23:23 +01:00
verification tools/rv: Do not skip idle in trace 2025-08-15 12:13:46 +02:00
virtio Fix typo in vringh_test.c 2024-11-06 04:40:07 -05:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
workqueue workqueue: remove unnecessary import and function in wq_monitor.py 2024-03-25 10:11:32 -10:00
writeback writeback: add wb_monitor.py script to monitor writeback info on bdi 2024-05-05 17:53:51 -07:00
Makefile sched_ext: Add scx_simple and scx_example_qmap example schedulers 2024-06-18 10:09:17 -10:00