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  1. JDK
  2. JDK-8240905

assert(mem == (Node*)1 || mem == mem2) failed: multiple Memories being matched at once?

    Details

    • Subcomponent:
    • Resolved In Build:
      b16

      Backports

        Description

        Generated test crashed with
        #
        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (open/src/hotspot/share/opto/matcher.cpp:1785), pid=29345, tid=29357
        # assert(mem == (Node*)1 || mem == mem2) failed: multiple Memories being matched at once?
        #
        # JRE version: Java(TM) SE Runtime Environment (15.0+13) (fastdebug build 15-ea+13-487)
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 15-ea+13-487, compiled mode, sharing, tiered, compressed oops, g1 gc, linux-amd64)
        # Problematic frame:
        # V [libjvm.so+0x1109778] Matcher::ReduceInst_Interior(State*, int, Node*&, MachNode*, unsigned int)+0x3d8
        #
        # Core dump will be written. Default location: Core dumps may be processed with "/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e %P %I %h" (or dumping to /tmp/fuzzer.tmp.vs6e5d5ce2/core.29345)
        #
        # If you would like to submit a bug report, please visit:
        # https://bugreport.java.com/bugreport/crash.jsp
        #

        --------------- S U M M A R Y ------------

        Command Line: -Xmx1G -Xcomp -Xbatch -XX:CompileOnly=Test Test

        Host: AMD EPYC 7551 32-Core Processor, 16 cores, 62G, Oracle Linux Server release 7.7
        Time: Mon Mar 9 06:07:43 2020 GMT elapsed time: 2 seconds (0d 0h 0m 2s)

        --------------- T H R E A D ---------------

        Current thread (0x00007fa6e853c800): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=29357, stack(0x00007fa6c0711000,0x00007fa6c0812000)]


        Current CompileTask:
        C2: 2518 16 !b 4 Test::mainTest (855 bytes)

        Stack: [0x00007fa6c0711000,0x00007fa6c0812000], sp=0x00007fa6c080cb00, free space=1006k
        Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
        V [libjvm.so+0x1109778] Matcher::ReduceInst_Interior(State*, int, Node*&, MachNode*, unsigned int)+0x3d8
        V [libjvm.so+0x11095fd] Matcher::ReduceInst_Interior(State*, int, Node*&, MachNode*, unsigned int)+0x25d
        V [libjvm.so+0x1109c88] Matcher::ReduceInst(State*, int, Node*&)+0x4d8
        V [libjvm.so+0x110e859] Matcher::match_tree(Node const*)+0x329
        V [libjvm.so+0x1111da1] Matcher::xform(Node*, int)+0xc51
        V [libjvm.so+0x1115fa5] Matcher::match()+0xd05
        V [libjvm.so+0x86a224] Compile::Code_Gen()+0x84
        V [libjvm.so+0x86e561] Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x1171
        V [libjvm.so+0x6dc6b0] C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x110
        V [libjvm.so+0x87afac] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x2cc
        V [libjvm.so+0x87bf48] CompileBroker::compiler_thread_loop()+0x458
        V [libjvm.so+0x152f356] JavaThread::thread_main_inner()+0x226
        V [libjvm.so+0x15343d6] Thread::call_run()+0xf6
        V [libjvm.so+0x1265a36] thread_native_entry(Thread*)+0x116

        Register to memory mapping:

        RAX=0x00007fa6f2603000 points into unknown readable memory: 58 00 00 00 00 00 00 00
        RBX=0x00007fa69c1879b0 points into unknown readable memory: c8 50 85 f1 a6 7f 00 00
        RCX=0x00007fa6f1510c70: <offset 0x00000000017d9c70> in /home/lmesnik/jenkins/workspace/JavaFuzzer/jdk/lib/server/libjvm.so at 0x00007fa6efd37000
        RDX=0x00007fa6f1510d18: <offset 0x00000000017d9d18> in /home/lmesnik/jenkins/workspace/JavaFuzzer/jdk/lib/server/libjvm.so at 0x00007fa6efd37000
        RSP=0x00007fa6c080cb00 is pointing into the stack for thread: 0x00007fa6e853c800
        RBP=0x00007fa6c080cb80 is pointing into the stack for thread: 0x00007fa6e853c800
        RSI=0x00000000000006f9 is an unknown value
        RDI=0x00007fa6f1510a50: <offset 0x00000000017d9a50> in /home/lmesnik/jenkins/workspace/JavaFuzzer/jdk/lib/server/libjvm.so at 0x00007fa6efd37000
        R8 =0x00007fa69c1879b0 points into unknown readable memory: c8 50 85 f1 a6 7f 00 00
        R9 =0x0000000000000003 is an unknown value
        R10=0x0000000000000200 is an unknown value
        R11=0x00007fa69c5d1928 points into unknown readable memory: 40 a7 8a f1 a6 7f 00 00
        R12=0x00007fa69c5d1460 points into unknown readable memory: 08 d6 8c f1 a6 7f 00 00
        R13=0x00007fa69c02bbc0 points into unknown readable memory: 20 8d 8c f1 a6 7f 00 00
        R14=0x00007fa6c080e090 is pointing into the stack for thread: 0x00007fa6e853c800
        R15=0x00007fa6c080ccb8 is pointing into the stack for thread: 0x00007fa6e853c800


        Registers:
        RAX=0x00007fa6f2603000, RBX=0x00007fa69c1879b0, RCX=0x00007fa6f1510c70, RDX=0x00007fa6f1510d18
        RSP=0x00007fa6c080cb00, RBP=0x00007fa6c080cb80, RSI=0x00000000000006f9, RDI=0x00007fa6f1510a50
        R8 =0x00007fa69c1879b0, R9 =0x0000000000000003, R10=0x0000000000000200, R11=0x00007fa69c5d1928
        R12=0x00007fa69c5d1460, R13=0x00007fa69c02bbc0, R14=0x00007fa6c080e090, R15=0x00007fa6c080ccb8
        RIP=0x00007fa6f0e40778, EFLAGS=0x0000000000010206, CSGSFS=0x002b000000000033, ERR=0x0000000000000006
          TRAPNO=0x000000000000000e

        Top of Stack: (sp=0x00007fa6c080cb00)
        0x00007fa6c080cb00: 00007fa6c080cb30 00000009f068ef13
        0x00007fa6c080cb10: 0000000000000008 00007fa69c187a20
        0x00007fa6c080cb20: 0000000000000002 00007fa600000003
        0x00007fa6c080cb30: 00007fa6c080ccb8 0000000000000094

        Instructions: (pc=0x00007fa6f0e40778)
        0x00007fa6f0e40678: c7 08 e8 c1 bf ff ff 31 f6 48 89 df 48 89 c2 e8
        0x00007fa6f0e40688: d4 a3 2c ff e9 10 fe ff ff 0f 1f 80 00 00 00 00
        0x00007fa6f0e40698: 45 89 c1 41 8d 40 01 48 89 df 89 55 8c 49 c1 e1
        0x00007fa6f0e406a8: 03 89 45 a0 4c 89 c9 49 03 4c 24 60 4c 89 4d 90
        0x00007fa6f0e406b8: 48 89 4d 98 e8 4f 4a 33 ff 48 8b 4d 98 8b 55 8c
        0x00007fa6f0e406c8: 4d 89 e0 48 89 de 4c 89 f7 48 89 01 48 8b 4d b0
        0x00007fa6f0e406d8: e8 23 f8 ff ff 44 8b 45 a0 4c 8b 4d 90 e9 ab fe
        0x00007fa6f0e406e8: ff ff 66 0f 1f 44 00 00 48 8d 05 e1 be a9 00 45
        0x00007fa6f0e406f8: 31 c0 48 8d 0d c8 8b 73 00 48 8d 15 d4 8b 73 00
        0x00007fa6f0e40708: be 74 01 00 00 48 8d 3d 5c 7b 5e 00 48 8b 00 c6
        0x00007fa6f0e40718: 00 58 45 8b 4c 24 1c 31 c0 e8 ca e9 7b ff e8 a5
        0x00007fa6f0e40728: 3b 15 00 e9 58 fd ff ff 49 8d 74 24 1c 49 8d 7c
        0x00007fa6f0e40738: 24 08 e8 51 c0 ff ff 4c 8b 7d b0 49 89 c4 49 8b
        0x00007fa6f0e40748: 07 4c 39 e0 74 3c 48 83 f8 01 74 36 48 8d 05 7d
        0x00007fa6f0e40758: be a9 00 48 8d 0d 0e 05 6d 00 48 8d 15 af 05 6d
        0x00007fa6f0e40768: 00 be f9 06 00 00 48 8d 3d db 02 6d 00 48 8b 00
        0x00007fa6f0e40778: c6 00 58 31 c0 e8 6e e9 7b ff e8 49 3b 15 00 49
        0x00007fa6f0e40788: 8b 07 48 83 f8 01 74 10 48 8b 45 b0 4c 89 20 4d
        0x00007fa6f0e40798: 8b 65 20 e9 db fc ff ff 49 8b 45 20 49 89 86 a0
        0x00007fa6f0e407a8: 0b 00 00 eb e3 90 66 90 55 48 89 e5 41 57 49 89
        0x00007fa6f0e407b8: f7 41 56 41 89 d6 41 55 41 54 49 89 fc 53 48 83
        0x00007fa6f0e407c8: ec 28 48 89 4d c8 83 fa 7e 7e 2d 49 8b 77 20 44
        0x00007fa6f0e407d8: 89 f2 4c 89 e7 e8 1e f4 ff ff 49 89 c5 48 85 c0
        0x00007fa6f0e407e8: 74 4e 48 83 c4 28 4c 89 e8 5b 41 5c 41 5d 41 5e
        0x00007fa6f0e407f8: 41 5f 5d c3 0f 1f 40 00 48 8d 05 d1 bd a9 00 48
        0x00007fa6f0e40808: 8d 0d 38 a7 77 00 48 8d 15 4a a7 77 00 be 5b 06
        0x00007fa6f0e40818: 00 00 48 8d 3d 2f 02 6d 00 48 8b 00 c6 00 58 31
        0x00007fa6f0e40828: c0 e8 c2 e8 7b ff e8 9d 3a 15 00 eb 9e 0f 1f 00
        0x00007fa6f0e40838: 44 89 f6 4c 89 ff e8 ad 8b 33 ff 48 89 c3 48 85
        0x00007fa6f0e40848: c0 0f 84 f1 05 00 00 49 8b 94 24 a0 0a 00 00 49
        0x00007fa6f0e40858: 63 c6 4c 8b 6b 60 4c 89 ff 8b 34 82 e8 a7 48 33
        0x00007fa6f0e40868: ff 49 89 45 00 48 8b 43 60 48 83 38 00 0f 84 85


        Stack slot to memory mapping:
        stack at sp + 0 slots: 0x00007fa6c080cb30 is pointing into the stack for thread: 0x00007fa6e853c800
        stack at sp + 1 slots: 0x00000009f068ef13 is an unknown value
        stack at sp + 2 slots: 0x0000000000000008 is an unknown value
        stack at sp + 3 slots: 0x00007fa69c187a20 points into unknown readable memory: 70 7a 18 9c a6 7f 00 00
        stack at sp + 4 slots: 0x0000000000000002 is an unknown value
        stack at sp + 5 slots: 0x00007fa600000003 is an unknown value
        stack at sp + 6 slots: 0x00007fa6c080ccb8 is pointing into the stack for thread: 0x00007fa6e853c800
        stack at sp + 7 slots: 0x0000000000000094 is an unknown value

          Attachments

          1. FuzzerUtils.class
            8 kB
          2. FuzzerUtils.java
            13 kB
          3. FuzzerUtils$1.class
            0.8 kB
          4. hs_err_pid29345.log
            172 kB
          5. hs_err_pid29609.log
            172 kB
          6. replay_pid29345.log
            105 kB
          7. replay_pid29609.log
            160 kB
          8. Test.class
            6 kB
          9. Test.java
            11 kB

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                • Assignee:
                  thartmann Tobias Hartmann
                  Reporter:
                  lmesnik Leonid Mesnik
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                  • Created:
                    Updated:
                    Resolved: