From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>
Cc: Eduard Zingerman <eddyz87@gmail.com>,
bpf@vger.kernel.org, Martin KaFai Lau <kafai@fb.com>,
Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>
Subject: [PATCH bpf] bpf: Fix memory leak in bpf_core_apply
Date: Mon, 7 Oct 2024 18:09:58 +0200 [thread overview]
Message-ID: <20241007160958.607434-1-jolsa@kernel.org> (raw)
We need to free specs properly.
Cc: Eduard Zingerman <eddyz87@gmail.com>
Fixes: 3d2786d65aaa ("bpf: correctly handle malformed BPF_CORE_TYPE_ID_LOCAL relos")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
kernel/bpf/btf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 75e4fe83c509..a05da5f43547 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -8961,6 +8961,7 @@ int bpf_core_apply(struct bpf_core_ctx *ctx, const struct bpf_core_relo *relo,
if (!type) {
bpf_log(ctx->log, "relo #%u: bad type id %u\n",
relo_idx, relo->type_id);
+ kfree(specs);
return -EINVAL;
}
--
2.46.2
next reply other threads:[~2024-10-07 16:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 16:09 Jiri Olsa [this message]
2024-10-07 17:13 ` [PATCH bpf] bpf: Fix memory leak in bpf_core_apply Eduard Zingerman
2024-10-08 3:30 ` patchwork-bot+netdevbpf
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