On Sun, May 3, 2020 at 11:27 PM Yonghong Song <yhs@xxxxxx> wrote:
>
> In /proc/net/ipv6_route, we have
> struct fib6_info {
> struct fib6_table *fib6_table;
> ...
> struct fib6_nh fib6_nh[0];
> }
> struct fib6_nh {
> struct fib_nh_common nh_common;
> struct rt6_info **rt6i_pcpu;
> struct rt6_exception_bucket *rt6i_exception_bucket;
> };
> struct fib_nh_common {
> ...
> u8 nhc_gw_family;
> ...
> }
>
> The access:
> struct fib6_nh *fib6_nh = &rt->fib6_nh;
> ... fib6_nh->nh_common.nhc_gw_family ...
>
> This patch ensures such an access is handled properly.
>
> Signed-off-by: Yonghong Song <yhs@xxxxxx>
> ---
LGTM.
Acked-by: Andrii Nakryiko <andriin@xxxxxx>
> kernel/bpf/btf.c | 37 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
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