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| author | Andrii Nakryiko <andrii@kernel.org> | 2022-07-15 08:31:46 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2022-07-19 19:45:34 +0300 |
| commit | 24316461200502aa5feddaa72dcbb8059503a528 (patch) | |
| tree | 2b5d98df04a55fd1cdbb67eff0355c3fb5a25cb4 /tools/testing/selftests/bpf/prog_tests/skeleton.c | |
| parent | 63b8ce77b15ebf69c4b0ef4b87451e2626aa3c43 (diff) | |
| download | linux-24316461200502aa5feddaa72dcbb8059503a528.tar.xz | |
selftests/bpf: validate .bss section bigger than 8MB is possible now
Add a simple big 16MB array and validate access to the very last byte of
it to make sure that kernel supports > KMALLOC_MAX_SIZE value_size for
BPF array maps (which are backing .bss in this case).
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220715053146.1291891-5-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/skeleton.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/skeleton.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c index 180afd632f4c..99dac5292b41 100644 --- a/tools/testing/selftests/bpf/prog_tests/skeleton.c +++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c @@ -122,6 +122,8 @@ void test_skeleton(void) ASSERT_EQ(skel->bss->out_mostly_var, 123, "out_mostly_var"); + ASSERT_EQ(bss->huge_arr[ARRAY_SIZE(bss->huge_arr) - 1], 123, "huge_arr"); + elf_bytes = test_skeleton__elf_bytes(&elf_bytes_sz); ASSERT_OK_PTR(elf_bytes, "elf_bytes"); ASSERT_GE(elf_bytes_sz, 0, "elf_bytes_sz"); |