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  1. JDK
  2. JDK-8313405

assert(InlineUnsafeOps) failed: indeterminate pointers come only from unsafe

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      ADDITIONAL SYSTEM INFORMATION :
      # JRE version: OpenJDK Runtime Environment (17.0.8) (fastdebug build 17.0.8-internal+0-adhoc.jdk17u)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 17.0.8-internal+0-adhoc.jdk17u, compiled mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)

      A DESCRIPTION OF THE PROBLEM :
      I ran a modified regression test (compiler.c2.aarch64.TestUnsafeVolatileCAS) on JDK17.0.8 and I noticed that it crashes with the "--add-exports java.base/jdk.internal.misc=ALL-UNNAMED -Xcomp -XX:-InlineUnsafeOps" option.

      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/data/jdk17u/src/hotspot/share/opto/compile.cpp:1286), pid=3046490, tid=3046518
      # assert(InlineUnsafeOps) failed: indeterminate pointers come only from unsafe ops
      #
      # JRE version: OpenJDK Runtime Environment (17.0.8) (fastdebug build 17.0.8-internal+0-adhoc.jdk17u)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 17.0.8-internal+0-adhoc.jdk17u, compiled mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0x1f9137c] Compile::flatten_alias_type(TypePtr const*) const+0xdcc
      #
      # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /data/core.3046490)
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #


      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      java --add-exports java.base/jdk.internal.misc=ALL-UNNAMED -Xcomp -XX:-InlineUnsafeOps compiler.c2.aarch64.TestUnsafeVolatileCAS

      ACTUAL -
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/compile.cpp:1286
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/data/jdk17u/src/hotspot/share/opto/compile.cpp:1286), pid=3101466, tid=3101479
      # assert(InlineUnsafeOps) failed: indeterminate pointers come only from unsafe ops
      #
      # JRE version: OpenJDK Runtime Environment (17.0.8) (fastdebug build 17.0.8-internal+0-adhoc.jdk17u)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 17.0.8-internal+0-adhoc.jdk17u, compiled mode, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0x1f9137c] Compile::flatten_alias_type(TypePtr const*) const+0xdcc
      #
      # Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /data/bugs/TestUnsafeVolatileCAS_07_25_12_58_08/core.3101466)
      #
      # An error report file with more information is saved as:
      # /data/bugs/TestUnsafeVolatileCAS_07_25_12_58_08/hs_err_pid3101466.log
      #
      # Compiler replay data is saved as:
      # /data/bugs/TestUnsafeVolatileCAS_07_25_12_58_08/replay_pid3101466.log
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #
      Aborted (core dumped)

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      FREQUENCY : always


            thartmann Tobias Hartmann
            webbuggrp Webbug Group
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              Created:
              Updated:
              Resolved: