IV33244: SEGMENTATION FAULT WHILE FREEING MEMORY IN SOME CASES

APAR status

• Closed as program error.

Error description

• Error Message: JVM crashes on Windows, typically on startup
  .
  Stack Trace: N/A
  A Stack trace containing the following fragment may be
  available if this failure occurs late enough in the startup
  process so that the VM is at a stage where it can generate a
  core.
  
  j9mem_categories_decrement_counters   < ----------------- crash
  occurs in this function
  j9vmem_free_memory
  getMemoryInRange
  ...................
  whereever the memory allocation is requested
  ..................
  .
  

Local fix

• N/A
  

Problem summary

• While freeing memory, in some cases the caller does not specify
  a memory category. This causes a segmentation fault.
  

Problem conclusion

• This defect will be fixed in:
  7.0.0 SR4
  6.0.1 SR5
  .
   Such usages are updated to specify the memory category in all
  cases.
  

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

• R260 PSY

     UP