linux-stable.git/tools/testing/selftests/bpf/prog_tests/map_ptr.c, branch linux-rolling-stable Linux kernel stable tree selftests/bpf: Migrate from bpf_prog_test_run 2022-02-03T06:31:18+00:00 Delyan Kratunov delyank@fb.com 2022-02-02T23:54:20+00:00 04fcb5f9a104f24278ad849c642cbdf0c8f48453 bpf_prog_test_run is being deprecated in favor of the OPTS-based bpf_prog_test_run_opts. We end up unable to use CHECK in most cases, so replace usages with ASSERT_* calls. Signed-off-by: Delyan Kratunov <delyank@fb.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220202235423.1097270-2-delyank@fb.com 
bpf_prog_test_run is being deprecated in favor of the OPTS-based
bpf_prog_test_run_opts.
We end up unable to use CHECK in most cases, so replace usages with
ASSERT_* calls.

Signed-off-by: Delyan Kratunov <delyank@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220202235423.1097270-2-delyank@fb.com
selftests/bpf: Convert map_ptr_kern test to use light skeleton. 2021-12-02T19:18:36+00:00 Alexei Starovoitov ast@kernel.org 2021-12-01T18:10:37+00:00 650c9dbd101ba7d7180f4e77deb1c273f4ea5ca3 To exercise CO-RE in the kernel further convert map_ptr_kern test to light skeleton. Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211201181040.23337-15-alexei.starovoitov@gmail.com 
To exercise CO-RE in the kernel further convert map_ptr_kern
test to light skeleton.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211201181040.23337-15-alexei.starovoitov@gmail.com
selftests/bpf: Pass page size from userspace in map_ptr 2021-04-09T06:54:47+00:00 Yauheni Kaliuta yauheni.kaliuta@redhat.com 2021-04-08T06:13:05+00:00 7a85e4dfa7f5d052ae5016e96f1ee426a8870e78 Use ASSERT to check result but keep CHECK where format was used to report error. Use bpf_map__set_max_entries() to set map size dynamically from userspace according to page size. Zero-initialize the variable in bpf prog, otherwise it will cause problems on some versions of Clang. Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20210408061310.95877-4-yauheni.kaliuta@redhat.com 
Use ASSERT to check result but keep CHECK where format was used to
report error.

Use bpf_map__set_max_entries() to set map size dynamically from
userspace according to page size.

Zero-initialize the variable in bpf prog, otherwise it will cause
problems on some versions of Clang.

Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210408061310.95877-4-yauheni.kaliuta@redhat.com
selftests/bpf: Test access to bpf map pointer 2020-06-22T20:22:59+00:00 Andrey Ignatov rdna@fb.com 2020-06-19T21:11:45+00:00 b1b53d413f16c6b5078edb127e660e67332e4d2f Add selftests to test access to map pointers from bpf program for all map types except struct_ops (that one would need additional work). verifier test focuses mostly on scenarios that must be rejected. prog_tests test focuses on accessing multiple fields both scalar and a nested struct from bpf program and verifies that those fields have expected values. Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/139a6a17f8016491e39347849b951525335c6eb4.1592600985.git.rdna@fb.com 
Add selftests to test access to map pointers from bpf program for all
map types except struct_ops (that one would need additional work).

verifier test focuses mostly on scenarios that must be rejected.

prog_tests test focuses on accessing multiple fields both scalar and a
nested struct from bpf program and verifies that those fields have
expected values.

Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/139a6a17f8016491e39347849b951525335c6eb4.1592600985.git.rdna@fb.com