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