IJ53617: A SIGSEGV/GPF EVENT RECEIVED WHILE PROCESSING VERIFYERROR

APAR status

• Closed as program error.

Error description

• Error Message: Unhandled exception
  Type=Segmentation error
  .
  Stack Trace: <signal handler called>
  decodeStackFrameDataFromStackMapTable (libj9vrb29.so)
  decodeStackmapFrameData (libj9vrb29.so)
  setStackMapFrameWithIndex (libj9vrb29.so)
  generateJ9RtvExceptionDetails (libj9vrb29.so)
  j9bcv_createVerifyErrorString (libj9vm29.so)
  performVerification (libj9vm29.so)
  .
  

Local fix

Problem summary

• The problem was caused due to lack of resetting verify error
  codes during bytecode verification leading to incorrect
  processing of error string.
  

Problem conclusion

• The JVM has been updated to prevent the crash.
  .
  This APAR will be fixed in the following Releases:
  .
  IBM Semeru Runtimes
     21              21.0.7.0
     21              21.0.7.0
     17              17.0.15.0
     11              11.0.27.0
  IBM SDK, Java Technology Edition
     8    SR8 FP45  (8.0.8.45)
  .
  Downloads and supplementary documentation can be found at the
  following locations:
  - For non z/OS operating systems:
    - IBM Semeru Runtimes, Version 11 and later
      https://www.ibm.com/semeru-runtimes/downloads/
    - IBM SDK, Java Technology Edition, Version 8
      https://www.ibm.com/support/pages/java-sdk-downloads/
  - For the z/OS operating system:
    - Java SDK Products on z/OS
      https://www.ibm.com/support/pages/java-sdk-products-zos
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  J9 COMMON CODE

• Fixed component ID

  620700127

Applicable component levels