[PATCH v2 10/16] openvswitch: Use kmalloc_size_roundup() to match ksize() usage

[Kees Cook]

Round up allocations with kmalloc_size_roundup() so that openvswitch's
use of ksize() is always accurate and no special handling of the memory
is needed by KASAN, UBSAN_BOUNDS, nor FORTIFY_SOURCE.

Cc: Pravin B Shelar <pshe...@ovn.org>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Eric Dumazet <eduma...@google.com>
Cc: Jakub Kicinski <k...@kernel.org>
Cc: Paolo Abeni <pab...@redhat.com>
Cc: net...@vger.kernel.org
Cc: d...@openvswitch.org
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
 net/openvswitch/flow_netlink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 4c09cf8a0ab2..6621873abde2 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2309,7 +2309,7 @@ static struct sw_flow_actions *nla_alloc_flow_actions(int 
size)
 
        WARN_ON_ONCE(size > MAX_ACTIONS_BUFSIZE);
 
-       sfa = kmalloc(sizeof(*sfa) + size, GFP_KERNEL);
+       sfa = kmalloc(kmalloc_size_roundup(sizeof(*sfa) + size), GFP_KERNEL);
        if (!sfa)
                return ERR_PTR(-ENOMEM);
 
-- 
2.34.1