Searched hist:caf283d040f53bc4fd81ce3d2a1a364b069cfd7d (Results 1 – 2 of 2) sorted by relevance
/linux/net/xfrm/ |
H A D | xfrm_user.c | diff caf283d040f53bc4fd81ce3d2a1a364b069cfd7d Thu Jun 17 17:34:19 CEST 2021 Kees Cook <keescook@chromium.org> xfrm: Use memset_after() to clear padding
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields.
Clear trailing padding bytes using the new helper so that memset() doesn't get confused about writing "past the end" of the last struct member. There is no change to the resulting machine code.
Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
|
H A D | xfrm_policy.c | diff caf283d040f53bc4fd81ce3d2a1a364b069cfd7d Thu Jun 17 17:34:19 CEST 2021 Kees Cook <keescook@chromium.org> xfrm: Use memset_after() to clear padding
In preparation for FORTIFY_SOURCE performing compile-time and run-time field bounds checking for memset(), avoid intentionally writing across neighboring fields.
Clear trailing padding bytes using the new helper so that memset() doesn't get confused about writing "past the end" of the last struct member. There is no change to the resulting machine code.
Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
|