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  1. JDK
  2. JDK-8292088

C2: assert(is_OuterStripMinedLoop()) failed: invalid node class: IfTrue

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    • b16

    Description

      The following test failed in the JDK20 CI:

      applications/javafuzzer/BigTest.java

      Here's a snippet from the log file:

      Summary of the JavaFuzzer run:
      ------------------------------
      Host: <host>
      Tests: 12 x 300
      Args: -conf config.yml

      Started at: Tue Aug 9 04:03:31 GMT 2022


      r10- 300: 194 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 106 Reference Java failures
      r7- 300: 191 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 109 Reference Java failures
      r2- 300: 182 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 118 Reference Java failures
      r6- 300: 178 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 122 Reference Java failures
      r1- 300: 184 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 116 Reference Java failures
      r12- 300: 181 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 119 Reference Java failures
      r4- 300: 181 passed, 2 crashes, 0 fails, 0 hangs, 0 incorrect tests, 118 Reference Java failures
      r9- 300: 181 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 119 Reference Java failures
      r8- 300: 185 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 115 Reference Java failures
      r5- 300: 186 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 114 Reference Java failures
      r11- 300: 178 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 122 Reference Java failures
      r3- 300: 171 passed, 0 crashes, 0 fails, 0 hangs, 0 incorrect tests, 129 Reference Java failures

      Finished at: Tue Aug 9 12:05:43 GMT 2022


      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (c:\\sb\\prod\\1659780030\\workspace\\open\\src\\hotspot\\share\\opto/node.hpp:925), pid=50512, tid=50840
      # assert(is_OuterStripMinedLoop()) failed: invalid node class: IfTrue
      #
      # JRE version: Java(TM) SE Runtime Environment (20.0+10) (fastdebug build 20-ea+10-545)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 20-ea+10-545, compiled mode, sharing, compressed oops, compressed class ptrs, g1 gc, windows-amd64)
      # Core dump will be written. Default location: C:\\sb\\prod\\1660017689\\testoutput\\test-support\\jtreg_closed_test_hotspot_jtreg_applications_javafuzzer_BigTest_java\\tmp\\fuzzer.tmp.axklN8HRXL\\hs_err_pid50512.mdmp
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #

      Command line flags: -Xmx1G -Xcomp -Xbatch -XX:CompileOnly=Test -XX:CompileCommand=quiet

      Here's the crashing thread's stack:

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

      Current thread (0x00000143e6ff8260): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=50840, stack(0x0000003f9bf00000,0x0000003f9c000000)]


      Current CompileTask:
      C2: 576 11 b Test::vMeth1 (274 bytes)

      Stack: [0x0000003f9bf00000,0x0000003f9c000000]
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [jvm.dll+0xc5e0e1] os::win32::platform_print_native_stack+0xf1 (os_windows_x86.cpp:236)
      V [jvm.dll+0xebb2fe] VMError::report+0x10de (vmError.cpp:839)
      V [jvm.dll+0xebcd2e] VMError::report_and_die+0x65e (vmError.cpp:1687)
      V [jvm.dll+0xebd4a4] VMError::report_and_die+0x64 (vmError.cpp:1468)
      V [jvm.dll+0x59c427] report_vm_error+0xb7 (debug.cpp:284)
      V [jvm.dll+0xab43f0] Node::as_OuterStripMinedLoop+0x50 (node.hpp:925)
      V [jvm.dll+0xad0ada] LoopNode::verify_strip_mined+0xda (loopnode.cpp:2160)
      V [jvm.dll+0x536686] Compile::final_graph_reshaping_main_switch+0x15c6 (compile.cpp:3721)
      V [jvm.dll+0x534f94] Compile::final_graph_reshaping_impl+0x484 (compile.cpp:3138)
      V [jvm.dll+0x5373a0] Compile::final_graph_reshaping_walk+0x2b0 (compile.cpp:3880)
      V [jvm.dll+0x533ff4] Compile::final_graph_reshaping+0x2b4 (compile.cpp:3982)
      V [jvm.dll+0x5307f6] Compile::Optimize+0x1786 (compile.cpp:2466)
      V [jvm.dll+0x52cf5d] Compile::Compile+0x14ad (compile.cpp:824)
      V [jvm.dll+0x452b45] C2Compiler::compile_method+0x145 (c2compiler.cpp:115)
      V [jvm.dll+0x547050] CompileBroker::invoke_compiler_on_method+0x980 (compileBroker.cpp:2314)
      V [jvm.dll+0x5445fc] CompileBroker::compiler_thread_loop+0x25c (compileBroker.cpp:1982)
      V [jvm.dll+0x81383f] JavaThread::thread_main_inner+0x29f (javaThread.cpp:700)
      V [jvm.dll+0xe34b57] Thread::call_run+0x257 (thread.cpp:229)
      V [jvm.dll+0xc5ca08] thread_native_entry+0xb8 (os_windows.cpp:546)
      C [ucrtbase.dll+0x2268a]
      C [KERNEL32.DLL+0x17974]
      C [ntdll.dll+0x5a0b1]

      Attachments

        1. FuzzerUtils.java
          13 kB
          Christian Hagedorn
        2. Test.java
          8 kB
          Christian Hagedorn

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              chagedorn Christian Hagedorn
              dcubed Daniel Daugherty
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              Dates

                Created:
                Updated:
                Resolved: