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libbpf: Fix memleak in libbpf_netlink_recv()
authorAndrii Nakryiko <andrii@kernel.org>
Thu, 17 Feb 2022 07:39:58 +0000 (23:39 -0800)
committerDaniel Borkmann <daniel@iogearbox.net>
Thu, 17 Feb 2022 15:09:07 +0000 (16:09 +0100)
commit2bda6d1822f57ac061c9b80d51ab77d3e1230d86
tree923f14c801fdd8f454ef2d8e23954146d65ac78btree | snapshot
parenta02ae5c15ffc78bedba8c42d1d49191d3343556fcommit | diff
libbpf: Fix memleak in libbpf_netlink_recv()

Ensure that libbpf_netlink_recv() frees dynamically allocated buffer in
all code paths.

Fixes: 48724a807bd0 ("libbpf: Use dynamically allocated buffer when receiving netlink messages")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20220217073958.276959-1-andrii@kernel.org
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