[PATCH v2 bpf-next 06/11] selftests/bpf: fix memory leak in extract_build_id()

[Andrii Nakryiko]

getline() allocates string, which has to be freed.

Cc: Song Liu <songliubrav...@fb.com>
Fixes: 81f77fd0deeb ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID")
Signed-off-by: Andrii Nakryiko <andr...@fb.com>
---
 tools/testing/selftests/bpf/test_progs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/bpf/test_progs.c 
b/tools/testing/selftests/bpf/test_progs.c
index 86d0020c9eec..93970ec1c9e9 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -351,6 +351,7 @@ int extract_build_id(char *build_id, size_t size)
                len = size;
        memcpy(build_id, line, len);
        build_id[len] = '\0';
+       free(line);
        return 0;
 err:
        fclose(fp);
-- 
2.24.1