tree 19be7a1d72a1b25c5e5366c1213cdda982aacca2
parent 2638595afccf6554bfe55268ff9b2d3ac3dff2e6
author Reshetova, Elena <elena.reshetova@intel.com> 1498817280 +0300
committer David S. Miller <davem@davemloft.net> 1498919948 -0700

net: convert sock.sk_wmem_alloc 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>