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: x86_64-randconfig-s021-20210821 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-348-gf0e6938b-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=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; 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: 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 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@lists.01.org