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sys_execve
   | - do_execve
|
| - search_binary_handler         
           |- linux_binfmt= elf_format
       |- elf_format-> load_elf_binary
| - elf_entry = load_elf_interp()
          |-   
| if  (BAD_ADDR(elf_entry))
                |     force_sig(SIGSEGV, current);
|     retval =-EINVAL;
 
  
binfmt_elf.c: line 1024
              elf_entry = loc->elf_ex.e_entry;
              if (BAD_ADDR(elf_entry)) {
                     force_sig(SIGSEGV, current);
                     retval = -EINVAL;
                     goto out_free_dentry;
              }
 
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execve()
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do_execve()
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search_binary_handler()
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struct linux_binfmt
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search_binary_handler()
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