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)
commit1b8c924a05934d2e758ec7da7bd217ef8ebd80ce
tree923f14c801fdd8f454ef2d8e23954146d65ac78b
parent9b6eb0478dfad3b0e7af6c73523d96826210f4fe
libbpf: Fix memleak in libbpf_netlink_recv()

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

Fixes: 9c3de619e13e ("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
tools/lib/bpf/netlink.c