From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- net/batman-adv/mesh-interface.h | 43 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 net/batman-adv/mesh-interface.h (limited to 'net/batman-adv/mesh-interface.h') diff --git a/net/batman-adv/mesh-interface.h b/net/batman-adv/mesh-interface.h new file mode 100644 index 000000000..5e1e83e04 --- /dev/null +++ b/net/batman-adv/mesh-interface.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) B.A.T.M.A.N. contributors: + * + * Marek Lindner + */ + +#ifndef _NET_BATMAN_ADV_MESH_INTERFACE_H_ +#define _NET_BATMAN_ADV_MESH_INTERFACE_H_ + +#include "main.h" + +#include +#include +#include +#include + +int batadv_skb_head_push(struct sk_buff *skb, unsigned int len); +void batadv_interface_rx(struct net_device *mesh_iface, + struct sk_buff *skb, int hdr_size, + struct batadv_orig_node *orig_node); +bool batadv_meshif_is_valid(const struct net_device *net_dev); +extern struct rtnl_link_ops batadv_link_ops; +int batadv_meshif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid); +void batadv_meshif_destroy_vlan(struct batadv_priv *bat_priv, + struct batadv_meshif_vlan *vlan); +void batadv_meshif_vlan_release(struct kref *ref); +struct batadv_meshif_vlan *batadv_meshif_vlan_get(struct batadv_priv *bat_priv, + unsigned short vid); + +/** + * batadv_meshif_vlan_put() - decrease the vlan object refcounter and + * possibly release it + * @vlan: the vlan object to release + */ +static inline void batadv_meshif_vlan_put(struct batadv_meshif_vlan *vlan) +{ + if (!vlan) + return; + + kref_put(&vlan->refcount, batadv_meshif_vlan_release); +} + +#endif /* _NET_BATMAN_ADV_MESH_INTERFACE_H_ */ -- cgit v1.3.1