[PATCH bpf-next 1/3] libbpf: fix uninitialized variable in btf_parse_type_sec
From: Andrii Nakryiko <hidden>
Date: 2020-09-29 22:15:41
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [library] (libbpf), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Fix obvious unitialized variable use that wasn't reported by compiler. libbpf
Makefile changes to catch such errors are added separately.
Fixes: 3289959b97ca ("libbpf: Support BTF loading and raw data output in both endianness")
Signed-off-by: Andrii Nakryiko <redacted>
---
tools/lib/bpf/btf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index e1dbd766c698..398b1f345b3c 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c@@ -347,7 +347,7 @@ static int btf_parse_type_sec(struct btf *btf) struct btf_header *hdr = btf->hdr; void *next_type = btf->types_data; void *end_type = next_type + hdr->type_len; - int err, i, type_size; + int err, i = 0, type_size; /* VOID (type_id == 0) is specially handled by btf__get_type_by_id(), * so ensure we can never properly use its offset from index by
--
2.24.1