selftests/bpf: Fix invalid memory reads in core_relo selftest

Another one found by AddressSanitizer. input_len is bigger than actually initialized data size. Fixes: c7566a6 ("selftests/bpf: Add field existence CO-RE relocs tests") Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
berg · Apr 29, 2020 · 13c9084 · 13c9084
1 parent 9f56bb5
commit 13c9084
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
@@ -392,7 +392,7 @@ static struct core_reloc_test_case test_cases[] = {
 		.input = STRUCT_TO_CHAR_PTR(core_reloc_existence___minimal) {
 			.a = 42,
 		},
-		.input_len = sizeof(struct core_reloc_existence),
+		.input_len = sizeof(struct core_reloc_existence___minimal),
 		.output = STRUCT_TO_CHAR_PTR(core_reloc_existence_output) {
 			.a_exists = 1,
 			.b_exists = 0,