Messages in this thread Patch in this message |  | | From | Kees Cook <> | Subject | [PATCH v2 10/16] openvswitch: Use kmalloc_size_roundup() to match ksize() usage | Date | Fri, 23 Sep 2022 13:28:16 -0700 |
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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 <pshelar@ovn.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: netdev@vger.kernel.org Cc: dev@openvswitch.org Signed-off-by: Kees Cook <keescook@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
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