tree 751ca7a379366af93f578d9f35f48339d4d2dd9b
parent 53869cebce4bc53f71a080e7830600d4ae1ab712
author Reshetova, Elena <elena.reshetova@intel.com> 1498817278 +0300
committer David S. Miller <davem@davemloft.net> 1498919947 -0700

net: convert sk_buff.users from atomic_t to refcount_t

refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.

Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>