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Message-ID: <202412210915.kToB6vsf-lkp@intel.com>
Date: Sat, 21 Dec 2024 09:54:05 +0800
From: kernel test robot <lkp@...el.com>
To: kernel@...neuler.org, "David S. Miller" <davem@...emloft.net>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org
Subject: [openeuler:openEuler-1.0-LTS 1334/1334] net/core/sock.c:2813:33:
sparse: sparse: incorrect type in assignment (different address spaces)
tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head: 02951ceaa6d546dfa0f741f52f6d47e0fb0ac7b4
commit: e6476c21447c4b17c47e476aade6facf050f31e8 [1334/1334] net: remove bogus RCU annotations on socket.wq
config: x86_64-randconfig-r112-20241218 (https://download.01.org/0day-ci/archive/20241221/202412210915.kToB6vsf-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241221/202412210915.kToB6vsf-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412210915.kToB6vsf-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> net/core/sock.c:2813:33: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct socket_wq [noderef] __rcu *sk_wq @@ got struct socket_wq *wq @@
net/core/sock.c:2813:33: sparse: expected struct socket_wq [noderef] __rcu *sk_wq
net/core/sock.c:2813:33: sparse: got struct socket_wq *wq
net/core/sock.c:1799:9: sparse: sparse: context imbalance in 'sk_clone_lock' - wrong count at exit
net/core/sock.c:1803:6: sparse: sparse: context imbalance in 'sk_free_unlock_clone' - unexpected unlock
net/core/sock.c:2922:6: sparse: sparse: context imbalance in 'lock_sock_fast' - different lock contexts for basic block
net/core/sock.c:3397:13: sparse: sparse: context imbalance in 'proto_seq_start' - wrong count at exit
net/core/sock.c:3409:13: sparse: sparse: context imbalance in 'proto_seq_stop' - wrong count at exit
net/core/sock.o: warning: objtool: sock_warn_obsolete_bsdism()+0x31: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_mc_loop()+0x91: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_set_memalloc()+0x76: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: proto_register()+0x548: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: __sk_destruct()+0xd3: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: skb_set_owner_w()+0xf1: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: __sk_dst_check()+0xa2: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_common_release()+0x1c2: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: trace_sock_exceed_buf_limit()+0xf4: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_clear_memalloc()+0x7c: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: trace_sock_rcvqueue_full()+0xe6: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_def_wakeup()+0x10e: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_dst_check()+0x179: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_clone_lock()+0x92f: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_def_error_report()+0x14d: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_def_readable()+0x14d: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_alloc()+0x868: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sk_send_sigurg()+0x16f: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_def_write_space()+0x36c: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_setsockopt()+0xeb0: sibling call from callable instruction with modified stack frame
net/core/sock.o: warning: objtool: sock_getsockopt()+0xab1: sibling call from callable instruction with modified stack frame
vim +2813 net/core/sock.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 2795
^1da177e4c3f41 Linus Torvalds 2005-04-16 2796 void sock_init_data(struct socket *sock, struct sock *sk)
^1da177e4c3f41 Linus Torvalds 2005-04-16 2797 {
581319c58600b5 Paolo Abeni 2017-03-09 2798 sk_init_common(sk);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2799 sk->sk_send_head = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2800
99767f278ccf74 Kees Cook 2017-10-16 2801 timer_setup(&sk->sk_timer, NULL, 0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2802
^1da177e4c3f41 Linus Torvalds 2005-04-16 2803 sk->sk_allocation = GFP_KERNEL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2804 sk->sk_rcvbuf = sysctl_rmem_default;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2805 sk->sk_sndbuf = sysctl_wmem_default;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2806 sk->sk_state = TCP_CLOSE;
972692e0db9b0a David S. Miller 2008-06-17 2807 sk_set_socket(sk, sock);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2808
^1da177e4c3f41 Linus Torvalds 2005-04-16 2809 sock_set_flag(sk, SOCK_ZAPPED);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2810
e71a4783aae059 Stephen Hemminger 2007-04-10 2811 if (sock) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 2812 sk->sk_type = sock->type;
43815482370c51 Eric Dumazet 2010-04-29 @2813 sk->sk_wq = sock->wq;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2814 sock->sk = sk;
86741ec25462e4 Lorenzo Colitti 2016-11-04 2815 sk->sk_uid = SOCK_INODE(sock)->i_uid;
86741ec25462e4 Lorenzo Colitti 2016-11-04 2816 } else {
43815482370c51 Eric Dumazet 2010-04-29 2817 sk->sk_wq = NULL;
86741ec25462e4 Lorenzo Colitti 2016-11-04 2818 sk->sk_uid = make_kuid(sock_net(sk)->user_ns, 0);
86741ec25462e4 Lorenzo Colitti 2016-11-04 2819 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 2820
^1da177e4c3f41 Linus Torvalds 2005-04-16 2821 rwlock_init(&sk->sk_callback_lock);
cdfbabfb2f0ce9 David Howells 2017-03-09 2822 if (sk->sk_kern_sock)
cdfbabfb2f0ce9 David Howells 2017-03-09 2823 lockdep_set_class_and_name(
cdfbabfb2f0ce9 David Howells 2017-03-09 2824 &sk->sk_callback_lock,
cdfbabfb2f0ce9 David Howells 2017-03-09 2825 af_kern_callback_keys + sk->sk_family,
cdfbabfb2f0ce9 David Howells 2017-03-09 2826 af_family_kern_clock_key_strings[sk->sk_family]);
cdfbabfb2f0ce9 David Howells 2017-03-09 2827 else
cdfbabfb2f0ce9 David Howells 2017-03-09 2828 lockdep_set_class_and_name(
cdfbabfb2f0ce9 David Howells 2017-03-09 2829 &sk->sk_callback_lock,
443aef0eddfa44 Peter Zijlstra 2007-07-19 2830 af_callback_keys + sk->sk_family,
443aef0eddfa44 Peter Zijlstra 2007-07-19 2831 af_family_clock_key_strings[sk->sk_family]);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2832
^1da177e4c3f41 Linus Torvalds 2005-04-16 2833 sk->sk_state_change = sock_def_wakeup;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2834 sk->sk_data_ready = sock_def_readable;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2835 sk->sk_write_space = sock_def_write_space;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2836 sk->sk_error_report = sock_def_error_report;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2837 sk->sk_destruct = sock_def_destruct;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2838
5640f7685831e0 Eric Dumazet 2012-09-23 2839 sk->sk_frag.page = NULL;
5640f7685831e0 Eric Dumazet 2012-09-23 2840 sk->sk_frag.offset = 0;
ef64a54f6e5581 Pavel Emelyanov 2012-02-21 2841 sk->sk_peek_off = -1;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2842
109f6e39fa07c4 Eric W. Biederman 2010-06-13 2843 sk->sk_peer_pid = NULL;
109f6e39fa07c4 Eric W. Biederman 2010-06-13 2844 sk->sk_peer_cred = NULL;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2845 sk->sk_write_pending = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2846 sk->sk_rcvlowat = 1;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2847 sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2848 sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2849
6c7c98bad4883a Paolo Abeni 2017-03-30 2850 sk->sk_stamp = SK_DEFAULT_STAMP;
52267790ef52d7 Willem de Bruijn 2017-08-03 2851 atomic_set(&sk->sk_zckey, 0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2852
:::::: The code at line 2813 was first introduced by commit
:::::: 43815482370c510c569fd18edb57afcb0fa8cab6 net: sock_def_readable() and friends RCU conversion
:::::: TO: Eric Dumazet <eric.dumazet@...il.com>
:::::: CC: David S. Miller <davem@...emloft.net>
--
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https://github.com/intel/lkp-tests/wiki
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