Re: [PATCH net-next v13 07/22] ovpn: implement basic TX path (UDP)

From: kernel test robot
Date: Sun Dec 08 2024 - 23:45:59 EST


Hi Antonio,

kernel test robot noticed the following build errors:

[auto build test ERROR on 152d00a913969514967ad3f962b3b1c8983eb2d7]

url: https://github.com/intel-lab-lkp/linux/commits/Antonio-Quartulli/net-introduce-OpenVPN-Data-Channel-Offload-ovpn/20241207-054712
base: 152d00a913969514967ad3f962b3b1c8983eb2d7
patch link: https://lore.kernel.org/r/20241206-b4-ovpn-v13-7-67fb4be666e2%40openvpn.net
patch subject: [PATCH net-next v13 07/22] ovpn: implement basic TX path (UDP)
config: nios2-randconfig-r131-20241208 (https://download.01.org/0day-ci/archive/20241208/202412081739.56GeY9xL-lkp@xxxxxxxxx/config)
compiler: nios2-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20241208/202412081739.56GeY9xL-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412081739.56GeY9xL-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from drivers/net/ovpn/io.c:18:
drivers/net/ovpn/skb.h: In function 'ovpn_ip_check_protocol':
>> drivers/net/ovpn/skb.h:46:56: error: invalid application of 'sizeof' to incomplete type 'struct ipv6hdr'
46 | if (!pskb_network_may_pull(skb, sizeof(struct ipv6hdr)))
| ^~~~~~


vim +46 drivers/net/ovpn/skb.h

29
30 /* Return IP protocol version from skb header.
31 * Return 0 if protocol is not IPv4/IPv6 or cannot be read.
32 */
33 static inline __be16 ovpn_ip_check_protocol(struct sk_buff *skb)
34 {
35 __be16 proto = 0;
36
37 /* skb could be non-linear,
38 * make sure IP header is in non-fragmented part
39 */
40 if (!pskb_network_may_pull(skb, sizeof(struct iphdr)))
41 return 0;
42
43 if (ip_hdr(skb)->version == 4) {
44 proto = htons(ETH_P_IP);
45 } else if (ip_hdr(skb)->version == 6) {
> 46 if (!pskb_network_may_pull(skb, sizeof(struct ipv6hdr)))
47 return 0;
48 proto = htons(ETH_P_IPV6);
49 }
50
51 return proto;
52 }
53

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https://github.com/intel/lkp-tests/wiki