[cilium:pr/new-api-tcx2 2/5] kernel/bpf/mprog.c:319:31: sparse: sparse: duplicate [noderef]

[cilium:pr/new-api-tcx2 2/5] kernel/bpf/mprog.c:319:31: sparse: sparse: duplicate [noderef]

[kernel test robot]

:::::: 
:::::: Manual check reason: "low confidence static check warning: kernel/bpf/mprog.c:319:31: sparse: sparse: duplicate [noderef]"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: Daniel Borkmann <daniel@iogearbox.net>
TO: Daniel Borkmann <daniel@iogearbox.net>

tree:   https://github.com/cilium/linux.git pr/new-api-tcx2
head:   921918340afd770a43cabc1493080df36863b5c5
commit: abe11a7d6ecffb6402a53bf8b0bd0fc113b916e9 [2/5] bpf: Add generic attach/detach/query API for multi-progs
:::::: branch date: 15 hours ago
:::::: commit date: 19 hours ago
config: parisc-randconfig-s051-20230430 (https://download.01.org/0day-ci/archive/20230504/202305041242.4LUCcFPT-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/cilium/linux/commit/abe11a7d6ecffb6402a53bf8b0bd0fc113b916e9
        git remote add cilium https://github.com/cilium/linux.git
        git fetch --no-tags cilium pr/new-api-tcx2
        git checkout abe11a7d6ecffb6402a53bf8b0bd0fc113b916e9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash kernel/bpf/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/r/202305041242.4LUCcFPT-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/bpf/mprog.c:319:31: sparse: sparse: duplicate [noderef]
>> kernel/bpf/mprog.c:319:31: sparse: sparse: multiple address spaces given: __user & __user
   kernel/bpf/mprog.c:320:31: sparse: sparse: multiple address spaces given: __user & __user

vim +319 kernel/bpf/mprog.c

abe11a7d6ecffb Daniel Borkmann 2022-10-05  315  
abe11a7d6ecffb Daniel Borkmann 2022-10-05  316  int bpf_mprog_query(const union bpf_attr *attr, union bpf_attr __user *uattr,
abe11a7d6ecffb Daniel Borkmann 2022-10-05  317  		    struct bpf_mprog_entry *entry)
abe11a7d6ecffb Daniel Borkmann 2022-10-05  318  {
abe11a7d6ecffb Daniel Borkmann 2022-10-05 @319  	u32 __user *uprog_id, __user *uprog_af;

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