ldso/arm: Correct protected symbol resolution

* Protected symbols should not be overridden with
  symbols from other modules.

Signed-off-by: Khem Raj <raj.khem@gmail.com>

ldso/ldso/arm/elfinterp.c

@@ -198,7 +198,9 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
 	symtab_index = ELF32_R_SYM(rpnt->r_info);
 	symbol_addr = 0;
 
-	if (symtab_index) {
+	if (symtab_index &&
+			(ELF32_ST_VISIBILITY(symtab[symtab_index].st_other)
+			 != STV_PROTECTED)) {
 		symbol_addr = _dl_find_hash(strtab + symtab[symtab_index].st_name,
 			scope, tpnt, elf_machine_type_class(reloc_type), &def_mod);
 
@@ -219,7 +221,12 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
 		 * symbol value of zero, and using the module containing the
 		 * reloc itself.
 		 */
-		symbol_addr = symtab[symtab_index].st_value;
+		if (symtab_index)
+			symbol_addr = DL_FIND_HASH_VALUE(tpnt, elf_machine_type_class(reloc_type),
+											&symtab[symtab_index]);
+		else
+			symbol_addr = symtab[symtab_index].st_value;
+
 		def_mod = tpnt;
 	}