Re: [PATCH net-next] bpf, lpm: fix kfree of im_node in trie_update_elem
flat view
From: Alexei Starovoitov <hidden>
Date: 2017-01-24 00:37:14
On Tue, Jan 24, 2017 at 01:26:46AM +0100, Daniel Borkmann wrote:
We need to initialize im_node to NULL, otherwise in case of error path
it gets passed to kfree() as uninitialized pointer.
Fixes: b95a5c4db09b ("bpf: add a longest prefix match trie map implementation")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>Great catch. Acked-by: Alexei Starovoitov <ast@kernel.org>