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Change tests that often fails in parallel execution mode to serial.
Signed-off-by: Yucong Sun <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Add ASSERT_TRUE/ASSERT_FALSE for conditions calculated with custom logic to
true/false. Also add remaining arithmetical assertions:
- ASSERT_LE -- less than or equal;
- ASSERT_GT -- greater than;
- ASSERT_GE -- greater than or equal.
This should cover most scenarios where people fall back to error-prone
CHECK()s.
Also extend ASSERT_ERR() to print out errno, in addition to direct error.
Also convert few CHECK() instances to ensure new ASSERT_xxx() variants work as
expected. Subsequent patch will also use ASSERT_TRUE/ASSERT_FALSE more
extensively.
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Acked-by: Lorenz Bauer <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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On my systems system() calls are marked with warn_unused_result
apparently. So without error checking we get this warning,
./prog_tests/snprintf_btf.c:30:9: warning: ignoring return value
of ‘system’, declared with attribute warn_unused_result[-Wunused-result]
Also it seems like a good idea to check the return value anyways
to ensure ping exists even if its seems unlikely.
Fixes: 076a95f5aff2c ("selftests/bpf: Add bpf_snprintf_btf helper tests")
Signed-off-by: John Fastabend <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/160141006897.25201.12095049414156293265.stgit@john-Precision-5820-Tower
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Daniel reports:
+ system("ping -c 1 127.0.0.1 > /dev/null");
This generates the following new warning when compiling BPF selftests:
[...]
EXT-OBJ [test_progs] cgroup_helpers.o
EXT-OBJ [test_progs] trace_helpers.o
EXT-OBJ [test_progs] network_helpers.o
EXT-OBJ [test_progs] testing_helpers.o
TEST-OBJ [test_progs] snprintf_btf.test.o
/root/bpf-next/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c: In function ‘test_snprintf_btf’:
/root/bpf-next/tools/testing/selftests/bpf/prog_tests/snprintf_btf.c:30:2: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result]
system("ping -c 1 127.0.0.1 > /dev/null");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[...]
Fixes: 076a95f5aff2 ("selftests/bpf: Add bpf_snprintf_btf helper tests")
Reported-by: Daniel Borkmann <[email protected]>
Signed-off-by: Alan Maguire <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Tests verifying snprintf()ing of various data structures,
flags combinations using a tp_btf program. Tests are skipped
if __builtin_btf_type_id is not available to retrieve BTF
type ids.
Signed-off-by: Alan Maguire <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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