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* arch/arm64/net/bpf_jit_comp.c:121:38: sparse: sparse: incorrect type in assignment (different base types)
@ 2025-12-19  8:32 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-12-19  8:32 UTC (permalink / raw)
  To: Puranjay Mohan
  Cc: oe-kbuild-all, linux-kernel, Alexei Starovoitov, Maxwell Bland,
	Sami Tolvanen

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dd9b004b7ff3289fb7bae35130c0a5c0537266af
commit: 710618c760c0a3267221517d78f4cfb65ca7b882 arm64/cfi,bpf: Support kCFI + BPF on arm64
date:   5 months ago
config: arm64-randconfig-r121-20251215 (https://download.01.org/0day-ci/archive/20251219/202512191616.mTJdtOrm-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1335a05ab8bc8339ce24be3a9da89d8c3f4e0571)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251219/202512191616.mTJdtOrm-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512191616.mTJdtOrm-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   arch/arm64/net/bpf_jit_comp.c:3071:32: sparse: sparse: arithmetics on pointers to functions
>> arch/arm64/net/bpf_jit_comp.c:121:38: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] @@     got unsigned int const [usertype] data @@
   arch/arm64/net/bpf_jit_comp.c:121:38: sparse:     expected restricted __le32 [usertype]
   arch/arm64/net/bpf_jit_comp.c:121:38: sparse:     got unsigned int const [usertype] data
>> arch/arm64/net/bpf_jit_comp.c:121:38: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] @@     got unsigned int const [usertype] data @@
   arch/arm64/net/bpf_jit_comp.c:121:38: sparse:     expected restricted __le32 [usertype]
   arch/arm64/net/bpf_jit_comp.c:121:38: sparse:     got unsigned int const [usertype] data
>> arch/arm64/net/bpf_jit_comp.c:3071:17: sparse: sparse: non size-preserving pointer to integer cast
>> arch/arm64/net/bpf_jit_comp.c:3071:17: sparse: sparse: non size-preserving integer to pointer cast

vim +121 arch/arm64/net/bpf_jit_comp.c

   117	
   118	static inline void emit_u32_data(const u32 data, struct jit_ctx *ctx)
   119	{
   120		if (ctx->image != NULL && ctx->write)
 > 121			ctx->image[ctx->idx] = data;
   122	
   123		ctx->idx++;
   124	}
   125	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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