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bpf, sockmap: Fix map type error in sock_map_del_link
commit 7e96ec0 upstream. sock_map_del_link() operates on both SOCKMAP and SOCKHASH, although both types have member named "progs", the offset of "progs" member in these two types is different, so "progs" should be accessed with the real map type. Fixes: 604326b ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: Xu Kuohai <xukuohai@huawei.com> Reviewed-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/r/20230804073740.194770-2-xukuohai@huaweicloud.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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