selftests/bpf: migrate a few bpftool testing scripts #10816
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In order to integrate some bpftool tests into test_progs, define a few specific helpers that allow to execute bpftool commands, while possibly retrieving the command output. Those helpers most notably set the path to the bpftool binary under test. This version checks different possible paths relative to the directories where the different test_progs runners are executed, as we want to make sure not to accidentally use a bootstrap version of the binary. Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
…work The test_bpftool_metadata.sh script validates that bpftool properly returns in its ouptput any metadata generated by bpf programs through some .rodata sections. Port this test to the test_progs framework so that it can be executed automatically in CI. The new test, similarly to the former script, checks that valid data appears both for textual output and json output, as well as for both data not used at all and used data. For the json check part, the expected json string is hardcoded to avoid bringing a new external dependency (eg: a json deserializer) for test_progs. As the test is now converted into test_progs, remove the former script. The newly converted test brings two new subtests: #37/1 bpftool_metadata/metadata_unused:OK #37/2 bpftool_metadata/metadata_used:OK #37 bpftool_metadata:OK Summary: 1/2 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
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…mework The test_bpftool_map.sh script tests that maps read/write accesses are being properly allowed/refused by the kernel depending on a specific fmod_ret program being attached on security_bpf_map function. Rewrite this test to integrate it in the test_progs. The new test spawns a few subtests: #36/1 bpftool_maps_access/unprotected_unpinned:OK #36/2 bpftool_maps_access/unprotected_pinned:OK #36/3 bpftool_maps_access/protected_unpinned:OK #36/4 bpftool_maps_access/protected_pinned:OK #36/5 bpftool_maps_access/nested_maps:OK #36/6 bpftool_maps_access/btf_list:OK #36 bpftool_maps_access:OK Summary: 1/6 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com> Acked-by: Quentin Monnet <qmo@kernel.org>
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Pull request for series with
subject: selftests/bpf: migrate a few bpftool testing scripts
version: 4
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1046111