[android-common:android12-5.10 1/1] include/trace/hooks/ipv4.h:12:1: sparse: sparse: incorrect type in assignment (different address spaces)

[kernel test robot <lkp@intel.com>]

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tree:   https://android.googlesource.com/kernel/common android12-5.10
head:   81c8161bed77ae0da88c78ff822220ba1a2a7a8a
commit: 81c8161bed77ae0da88c78ff822220ba1a2a7a8a [1/1] ANDROID: vendor_hooks: Add hooks to tcp/udp send/recv msg functions.
config: i386-randconfig-s001-20210918 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        git remote add android-common https://android.googlesource.com/kernel/common
        git fetch --no-tags android-common android12-5.10
        git checkout 81c8161bed77ae0da88c78ff822220ba1a2a7a8a
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
   net/ipv4/tcp.c: note: in included file (through include/net/inet_sock.h, include/net/ip.h, include/linux/errqueue.h):
   include/net/sock.h:1621:31: sparse: sparse: context imbalance in 'tcp_ioctl' - unexpected unlock
   net/ipv4/tcp.c: note: in included file:
>> include/trace/hooks/ipv4.h:12:1: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct tracepoint_func *it_func_ptr @@     got struct tracepoint_func [noderef] __rcu *funcs @@
   include/trace/hooks/ipv4.h:12:1: sparse:     expected struct tracepoint_func *it_func_ptr
   include/trace/hooks/ipv4.h:12:1: sparse:     got struct tracepoint_func [noderef] __rcu *funcs
   include/trace/hooks/ipv4.h:16:1: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct tracepoint_func *it_func_ptr @@     got struct tracepoint_func [noderef] __rcu *funcs @@
   include/trace/hooks/ipv4.h:16:1: sparse:     expected struct tracepoint_func *it_func_ptr
   include/trace/hooks/ipv4.h:16:1: sparse:     got struct tracepoint_func [noderef] __rcu *funcs
   include/trace/hooks/ipv4.h:28:1: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct tracepoint_func *it_func_ptr @@     got struct tracepoint_func [noderef] __rcu *funcs @@
   include/trace/hooks/ipv4.h:28:1: sparse:     expected struct tracepoint_func *it_func_ptr
   include/trace/hooks/ipv4.h:28:1: sparse:     got struct tracepoint_func [noderef] __rcu *funcs
   net/ipv4/tcp.c: note: in included file (through include/net/inet_sock.h, include/net/ip.h, include/linux/errqueue.h):
   include/net/sock.h:1621:31: sparse: sparse: context imbalance in 'tcp_get_info' - unexpected unlock

vim +12 include/trace/hooks/ipv4.h

    11	
  > 12	DECLARE_RESTRICTED_HOOK(android_rvh_tcp_sendmsg_locked,
    13		TP_PROTO(struct sock *sk, int size),
    14		TP_ARGS(sk, size), 1);
    15	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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