Hi Dmitry, Thank you for the patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Dmitry-Yakunin/bpf-cgroup-skb-im... base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: microblaze-randconfig-r001-20200714 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from net/bpf/test_run.c:11: net/bpf/test_run.c: In function 'bpf_prog_test_run_skb': 380 | #define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr | ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:460:7: note: in expansion of macro 'sk_v6_rcv_saddr' 460 | sk->sk_v6_rcv_saddr = ipv6_hdr(skb)->saddr; | ^~~~~~~~~~~~~~~ 379 | #define sk_v6_daddr __sk_common.skc_v6_daddr | ^~~~~~~~~~~~ net/bpf/test_run.c:461:7: note: in expansion of macro 'sk_v6_daddr' 461 | sk->sk_v6_daddr = ipv6_hdr(skb)->daddr; | ^~~~~~~~~~~ vim +380 include/net/sock.h 4dc6dc7162c08b Eric Dumazet 2009-07-15 359 68835aba4d9b74 Eric Dumazet 2010-11-30 360 #define sk_dontcopy_begin __sk_common.skc_dontcopy_begin 68835aba4d9b74 Eric Dumazet 2010-11-30 361 #define sk_dontcopy_end __sk_common.skc_dontcopy_end 4dc6dc7162c08b Eric Dumazet 2009-07-15 362 #define sk_hash __sk_common.skc_hash 5080546682bae3 Eric Dumazet 2013-10-02 363 #define sk_portpair __sk_common.skc_portpair 05dbc7b59481ca Eric Dumazet 2013-10-03 364 #define sk_num __sk_common.skc_num 05dbc7b59481ca Eric Dumazet 2013-10-03 365 #define sk_dport __sk_common.skc_dport 5080546682bae3 Eric Dumazet 2013-10-02 366 #define sk_addrpair __sk_common.skc_addrpair 5080546682bae3 Eric Dumazet 2013-10-02 367 #define sk_daddr __sk_common.skc_daddr 5080546682bae3 Eric Dumazet 2013-10-02 368 #define sk_rcv_saddr __sk_common.skc_rcv_saddr ^1da177e4c3f41 Linus Torvalds 2005-04-16 369 #define sk_family __sk_common.skc_family ^1da177e4c3f41 Linus Torvalds 2005-04-16 370 #define sk_state __sk_common.skc_state ^1da177e4c3f41 Linus Torvalds 2005-04-16 371 #define sk_reuse __sk_common.skc_reuse 055dc21a1d1d21 Tom Herbert 2013-01-22 372 #define sk_reuseport __sk_common.skc_reuseport 9fe516ba3fb29b Eric Dumazet 2014-06-27 373 #define sk_ipv6only __sk_common.skc_ipv6only 26abe14379f8e2 Eric W. Biederman 2015-05-08 374 #define sk_net_refcnt __sk_common.skc_net_refcnt ^1da177e4c3f41 Linus Torvalds 2005-04-16 375 #define sk_bound_dev_if __sk_common.skc_bound_dev_if ^1da177e4c3f41 Linus Torvalds 2005-04-16 376 #define sk_bind_node __sk_common.skc_bind_node 8feaf0c0a5488b Arnaldo Carvalho de Melo 2005-08-09 377 #define sk_prot __sk_common.skc_prot 07feaebfcc10cd Eric W. Biederman 2007-09-12 378 #define sk_net __sk_common.skc_net efe4208f47f907 Eric Dumazet 2013-10-03 @379 #define sk_v6_daddr __sk_common.skc_v6_daddr efe4208f47f907 Eric Dumazet 2013-10-03 @380 #define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr 33cf7c90fe2f97 Eric Dumazet 2015-03-11 381 #define sk_cookie __sk_common.skc_cookie 70da268b569d32 Eric Dumazet 2015-10-08 382 #define sk_incoming_cpu __sk_common.skc_incoming_cpu 8e5eb54d303b7c Eric Dumazet 2015-10-08 383 #define sk_flags __sk_common.skc_flags ed53d0ab761f5c Eric Dumazet 2015-10-08 384 #define sk_rxhash __sk_common.skc_rxhash efe4208f47f907 Eric Dumazet 2013-10-03 385 ^1da177e4c3f41 Linus Torvalds 2005-04-16 386 socket_lock_t sk_lock; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 387 atomic_t sk_drops; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 388 int sk_rcvlowat; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 389 struct sk_buff_head sk_error_queue; 8b27dae5a2e89a Eric Dumazet 2019-03-22 390 struct sk_buff *sk_rx_skb_cache; b178bb3dfc30d9 Eric Dumazet 2010-11-16 391 struct sk_buff_head sk_receive_queue; fa438ccfdfd3f6 Eric Dumazet 2007-03-04 392 /* fa438ccfdfd3f6 Eric Dumazet 2007-03-04 393 * The backlog queue is special, it is always used with fa438ccfdfd3f6 Eric Dumazet 2007-03-04 394 * the per-socket spinlock held and requires low latency fa438ccfdfd3f6 Eric Dumazet 2007-03-04 395 * access. Therefore we special case it's implementation. b178bb3dfc30d9 Eric Dumazet 2010-11-16 396 * Note : rmem_alloc is in this structure to fill a hole b178bb3dfc30d9 Eric Dumazet 2010-11-16 397 * on 64bit arches, not because its logically part of b178bb3dfc30d9 Eric Dumazet 2010-11-16 398 * backlog. fa438ccfdfd3f6 Eric Dumazet 2007-03-04 399 */ fa438ccfdfd3f6 Eric Dumazet 2007-03-04 400 struct { b178bb3dfc30d9 Eric Dumazet 2010-11-16 401 atomic_t rmem_alloc; b178bb3dfc30d9 Eric Dumazet 2010-11-16 402 int len; fa438ccfdfd3f6 Eric Dumazet 2007-03-04 403 struct sk_buff *head; fa438ccfdfd3f6 Eric Dumazet 2007-03-04 404 struct sk_buff *tail; fa438ccfdfd3f6 Eric Dumazet 2007-03-04 405 } sk_backlog; b178bb3dfc30d9 Eric Dumazet 2010-11-16 406 #define sk_rmem_alloc sk_backlog.rmem_alloc 2c8c56e15df3d4 Eric Dumazet 2014-11-11 407 9115e8cd2a0c6e Eric Dumazet 2016-12-03 408 int sk_forward_alloc; e0d1095ae34054 Cong Wang 2013-08-01 409 #ifdef CONFIG_NET_RX_BUSY_POLL dafcc4380deec2 Eliezer Tamir 2013-06-14 410 unsigned int sk_ll_usec; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 411 /* ===== mostly read cache line ===== */ 9115e8cd2a0c6e Eric Dumazet 2016-12-03 412 unsigned int sk_napi_id; b178bb3dfc30d9 Eric Dumazet 2010-11-16 413 #endif b178bb3dfc30d9 Eric Dumazet 2010-11-16 414 int sk_rcvbuf; b178bb3dfc30d9 Eric Dumazet 2010-11-16 415 b178bb3dfc30d9 Eric Dumazet 2010-11-16 416 struct sk_filter __rcu *sk_filter; ceb5d58b217098 Eric Dumazet 2015-11-29 417 union { eaefd1105bc431 Eric Dumazet 2011-02-18 418 struct socket_wq __rcu *sk_wq; 66256e0b15bd72 Randy Dunlap 2020-02-15 419 /* private: */ ceb5d58b217098 Eric Dumazet 2015-11-29 420 struct socket_wq *sk_wq_raw; 66256e0b15bd72 Randy Dunlap 2020-02-15 421 /* public: */ ceb5d58b217098 Eric Dumazet 2015-11-29 422 }; def8b4faff5ca3 Alexey Dobriyan 2008-10-28 423 #ifdef CONFIG_XFRM d188ba86dd07a7 Eric Dumazet 2015-12-08 424 struct xfrm_policy __rcu *sk_policy[2]; def8b4faff5ca3 Alexey Dobriyan 2008-10-28 425 #endif deaa58542b21d2 Eric Dumazet 2012-06-24 426 struct dst_entry *sk_rx_dst; 0e36cbb344575e Cong Wang 2013-01-22 427 struct dst_entry __rcu *sk_dst_cache; ^1da177e4c3f41 Linus Torvalds 2005-04-16 428 atomic_t sk_omem_alloc; 4e07a91c37c69e Arnaldo Carvalho de Melo 2007-05-29 429 int sk_sndbuf; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 430 9115e8cd2a0c6e Eric Dumazet 2016-12-03 431 /* ===== cache line for TX ===== */ 9115e8cd2a0c6e Eric Dumazet 2016-12-03 432 int sk_wmem_queued; 14afee4b6092fd Reshetova, Elena 2017-06-30 433 refcount_t sk_wmem_alloc; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 434 unsigned long sk_tsq_flags; 75c119afe14f74 Eric Dumazet 2017-10-05 435 union { 9115e8cd2a0c6e Eric Dumazet 2016-12-03 436 struct sk_buff *sk_send_head; 75c119afe14f74 Eric Dumazet 2017-10-05 437 struct rb_root tcp_rtx_queue; 75c119afe14f74 Eric Dumazet 2017-10-05 438 }; 472c2e07eef045 Eric Dumazet 2019-03-22 439 struct sk_buff *sk_tx_skb_cache; ^1da177e4c3f41 Linus Torvalds 2005-04-16 440 struct sk_buff_head sk_write_queue; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 441 __s32 sk_peek_off; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 442 int sk_write_pending; 9b8805a325591c Julian Anastasov 2017-02-06 443 __u32 sk_dst_pending_confirm; 218af599fa635b Eric Dumazet 2017-05-16 444 u32 sk_pacing_status; /* see enum sk_pacing */ 9115e8cd2a0c6e Eric Dumazet 2016-12-03 445 long sk_sndtimeo; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 446 struct timer_list sk_timer; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 447 __u32 sk_priority; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 448 __u32 sk_mark; 76a9ebe811fb3d Eric Dumazet 2018-10-15 449 unsigned long sk_pacing_rate; /* bytes per second */ 76a9ebe811fb3d Eric Dumazet 2018-10-15 450 unsigned long sk_max_pacing_rate; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 451 struct page_frag sk_frag; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 452 netdev_features_t sk_route_caps; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 453 netdev_features_t sk_route_nocaps; 0a6b2a1dc2a210 Eric Dumazet 2018-02-19 454 netdev_features_t sk_route_forced_caps; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 455 int sk_gso_type; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 456 unsigned int sk_gso_max_size; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 457 gfp_t sk_allocation; 9115e8cd2a0c6e Eric Dumazet 2016-12-03 458 __u32 sk_txhash; fc64869c48494a Andrey Ryabinin 2016-05-18 459 fc64869c48494a Andrey Ryabinin 2016-05-18 460 /* fc64869c48494a Andrey Ryabinin 2016-05-18 461 * Because of non atomicity rules, all fc64869c48494a Andrey Ryabinin 2016-05-18 462 * changes are protected by socket lock. fc64869c48494a Andrey Ryabinin 2016-05-18 463 */ bf9765145b856f Mat Martineau 2020-01-09 464 u8 sk_padding : 1, cdfbabfb2f0ce9 David Howells 2017-03-09 465 sk_kern_sock : 1, 28448b80456fea Tom Herbert 2014-05-23 466 sk_no_check_tx : 1, 28448b80456fea Tom Herbert 2014-05-23 467 sk_no_check_rx : 1, bf9765145b856f Mat Martineau 2020-01-09 468 sk_userlocks : 4; 3a9b76fd0db9f0 Eric Dumazet 2017-11-11 469 u8 sk_pacing_shift; bf9765145b856f Mat Martineau 2020-01-09 470 u16 sk_type; bf9765145b856f Mat Martineau 2020-01-09 471 u16 sk_protocol; bf9765145b856f Mat Martineau 2020-01-09 472 u16 sk_gso_max_segs; ^1da177e4c3f41 Linus Torvalds 2005-04-16 473 unsigned long sk_lingertime; 476e19cfa131e2 Arnaldo Carvalho de Melo 2005-05-05 474 struct proto *sk_prot_creator; ^1da177e4c3f41 Linus Torvalds 2005-04-16 475 rwlock_t sk_callback_lock; ^1da177e4c3f41 Linus Torvalds 2005-04-16 476 int sk_err, ^1da177e4c3f41 Linus Torvalds 2005-04-16 477 sk_err_soft; becb74f0acca19 Eric Dumazet 2015-03-19 478 u32 sk_ack_backlog; becb74f0acca19 Eric Dumazet 2015-03-19 479 u32 sk_max_ack_backlog; 86741ec25462e4 Lorenzo Colitti 2016-11-04 480 kuid_t sk_uid; 109f6e39fa07c4 Eric W. Biederman 2010-06-13 481 struct pid *sk_peer_pid; 109f6e39fa07c4 Eric W. Biederman 2010-06-13 482 const struct cred *sk_peer_cred; ^1da177e4c3f41 Linus Torvalds 2005-04-16 483 long sk_rcvtimeo; b7aa0bf70c4afb Eric Dumazet 2007-04-19 484 ktime_t sk_stamp; 3a0ed3e9619738 Deepa Dinamani 2018-12-27 485 #if BITS_PER_LONG==32 3a0ed3e9619738 Deepa Dinamani 2018-12-27 486 seqlock_t sk_stamp_seq; 3a0ed3e9619738 Deepa Dinamani 2018-12-27 487 #endif b9f40e21ef4298 Willem de Bruijn 2014-08-04 488 u16 sk_tsflags; fc64869c48494a Andrey Ryabinin 2016-05-18 489 u8 sk_shutdown; 09c2d251b70723 Willem de Bruijn 2014-08-04 490 u32 sk_tskey; 52267790ef52d7 Willem de Bruijn 2017-08-03 491 atomic_t sk_zckey; 80b14dee2bea12 Richard Cochran 2018-07-03 492 80b14dee2bea12 Richard Cochran 2018-07-03 493 u8 sk_clockid; 80b14dee2bea12 Richard Cochran 2018-07-03 494 u8 sk_txtime_deadline_mode : 1, 4b15c707535266 Jesus Sanchez-Palencia 2018-07-03 495 sk_txtime_report_errors : 1, 4b15c707535266 Jesus Sanchez-Palencia 2018-07-03 496 sk_txtime_unused : 6; 80b14dee2bea12 Richard Cochran 2018-07-03 497 ^1da177e4c3f41 Linus Torvalds 2005-04-16 498 struct socket *sk_socket; ^1da177e4c3f41 Linus Torvalds 2005-04-16 499 void *sk_user_data; d5f642384e9da7 Alexey Dobriyan 2008-11-04 500 #ifdef CONFIG_SECURITY ^1da177e4c3f41 Linus Torvalds 2005-04-16 501 void *sk_security; d5f642384e9da7 Alexey Dobriyan 2008-11-04 502 #endif 2a56a1fec290bf Tejun Heo 2015-12-07 503 struct sock_cgroup_data sk_cgrp_data; baac50bbc3cdfd Johannes Weiner 2016-01-14 504 struct mem_cgroup *sk_memcg; ^1da177e4c3f41 Linus Torvalds 2005-04-16 505 void (*sk_state_change)(struct sock *sk); 676d23690fb62b David S. Miller 2014-04-11 506 void (*sk_data_ready)(struct sock *sk); ^1da177e4c3f41 Linus Torvalds 2005-04-16 507 void (*sk_write_space)(struct sock *sk); ^1da177e4c3f41 Linus Torvalds 2005-04-16 508 void (*sk_error_report)(struct sock *sk); ^1da177e4c3f41 Linus Torvalds 2005-04-16 509 int (*sk_backlog_rcv)(struct sock *sk, ^1da177e4c3f41 Linus Torvalds 2005-04-16 510 struct sk_buff *skb); ebf4e808fa0b22 Ilya Lesokhin 2018-04-30 511 #ifdef CONFIG_SOCK_VALIDATE_XMIT ebf4e808fa0b22 Ilya Lesokhin 2018-04-30 512 struct sk_buff* (*sk_validate_xmit_skb)(struct sock *sk, ebf4e808fa0b22 Ilya Lesokhin 2018-04-30 513 struct net_device *dev, ebf4e808fa0b22 Ilya Lesokhin 2018-04-30 514 struct sk_buff *skb); ebf4e808fa0b22 Ilya Lesokhin 2018-04-30 515 #endif ^1da177e4c3f41 Linus Torvalds 2005-04-16 516 void (*sk_destruct)(struct sock *sk); ef456144da8ef5 Craig Gallek 2016-01-04 517 struct sock_reuseport __rcu *sk_reuseport_cb; 6ac99e8f23d4b1 Martin KaFai Lau 2019-04-26 518 #ifdef CONFIG_BPF_SYSCALL 6ac99e8f23d4b1 Martin KaFai Lau 2019-04-26 519 struct bpf_sk_storage __rcu *sk_bpf_storage; 6ac99e8f23d4b1 Martin KaFai Lau 2019-04-26 520 #endif a4298e4522d687 Eric Dumazet 2016-04-01 521 struct rcu_head sk_rcu; ^1da177e4c3f41 Linus Torvalds 2005-04-16 522 }; ^1da177e4c3f41 Linus Torvalds 2005-04-16 523 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org