Messages in this thread | | | Date | Tue, 3 Oct 2023 17:36:22 -0600 | Subject | Re: [PATCH] nexthop: Annotate struct nh_res_table with __counted_by | From | David Ahern <> |
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On 10/3/23 5:18 PM, Kees Cook wrote: > Prepare for the coming implementation by GCC and Clang of the __counted_by > attribute. Flexible array members annotated with __counted_by can have > their accesses bounds-checked at run-time via CONFIG_UBSAN_BOUNDS (for > array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > As found with Coccinelle[1], add __counted_by for struct nh_res_table. > > Cc: David Ahern <dsahern@kernel.org> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: Eric Dumazet <edumazet@google.com> > Cc: Jakub Kicinski <kuba@kernel.org> > Cc: Paolo Abeni <pabeni@redhat.com> > Cc: netdev@vger.kernel.org > Link: https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci [1] > Signed-off-by: Kees Cook <keescook@chromium.org> > --- > include/net/nexthop.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Reviewed-by: David Ahern <dsahern@kernel.org>
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