test/langtools/tools/javac/classfiles/attributes/ConstantValue/HasBrokenConstantValue.jcod
author jlahoda
Tue, 13 Aug 2019 10:27:34 +0200
changeset 57725 ffc34eaf7b49
permissions -rw-r--r--
8228502: javac crashed on a broken classfile with ConstantValue attribute on a field of type Object Summary: Produce an error when reading a classfile with a field with ConstantValue with a wrong type. Reviewed-by: vromero

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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// ConstantValue attribute on a field that has wrong type (j.l.Object):

class HasBrokenConstantValue {
  0xCAFEBABE;
  0; // minor version
  55; // version
  [] { // Constant Pool
    ; // first element is empty
    Method #3 #14; // #1
    class #15; // #2
    class #16; // #3
    Utf8 "VALUE"; // #4
    Utf8 "Ljava/lang/Object;"; // #5
    Utf8 "ConstantValue"; // #6
    String #17; // #7
    Utf8 "<init>"; // #8
    Utf8 "()V"; // #9
    Utf8 "Code"; // #10
    Utf8 "LineNumberTable"; // #11
    Utf8 "SourceFile"; // #12
    Utf8 "HasBrokenConstantValue.java"; // #13
    NameAndType #8 #9; // #14
    Utf8 "HasBrokenConstantValue"; // #15
    Utf8 "java/lang/Object"; // #16
    Utf8 ""; // #17
  } // Constant Pool

  0x0021; // access
  #2;// this_cpx
  #3;// super_cpx

  [] { // Interfaces
  } // Interfaces

  [] { // fields
    { // Member
      0x0019; // access
      #4; // name_cpx
      #5; // sig_cpx
      [] { // Attributes
        Attr(#6) { // ConstantValue
          #7;
        } // end ConstantValue
      } // Attributes
    } // Member
  } // fields

  [] { // methods
    { // Member
      0x0001; // access
      #8; // name_cpx
      #9; // sig_cpx
      [] { // Attributes
        Attr(#10) { // Code
          1; // max_stack
          1; // max_locals
          Bytes[]{
            0x2AB70001B1;
          }
          [] { // Traps
          } // end Traps
          [] { // Attributes
            Attr(#11) { // LineNumberTable
              [] { // LineNumberTable
                0  1;
              }
            } // end LineNumberTable
          } // Attributes
        } // end Code
      } // Attributes
    } // Member
  } // methods

  [] { // Attributes
    Attr(#12) { // SourceFile
      #13;
    } // end SourceFile
  } // Attributes
} // end class HasBrokenConstantValue