On Fri, Sep 15, 2023 at 01:16:26PM -0600, Gustavo A. R. Silva wrote: > If, for any reason, the open-coded arithmetic causes a wraparound, > the protection that `struct_size()` adds against potential integer > overflows is defeated. Fix this by hardening call to `struct_size()` > with `size_add()`. > > Fixes: e034c6d23bc4 ("tipc: Use struct_size() helper") > Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org>
Reviewed-by: Kees Cook <keesc...@chromium.org> -- Kees Cook