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  1. JDK
  2. JDK-6948538

CMS: BOT walkers can fall into object allocation and initialization cracks

    Details

    • Type: Bug
    • Status: Closed
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: hs16, hs17, 1.4.2, 1.4.2_12, 5.0u7, 5.0u17, 5.0u19, 6u13, 6u14, 6u15, 6u16, 6u18, 6u19, 6u20, 6u21
    • Fix Version/s: hs19
    • Component/s: hotspot
    • Subcomponent:
      gc
    • Introduced In Build:
      1.4.2
    • Introduced In Version:
    • Resolved In Build:
      b06
    • CPU:
      generic, x86, sparc
    • OS:
      generic, solaris, solaris_10
    • Verification:
      Not verified

      Backports

        Description

        BOT walkers can sometimes observe allocated-but-not-yet-fully initialized
        objects, which can cause crashes during GC (both the concurrent as well
        as the stop-world phases, with the latter much more likely).

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                • Assignee:
                  ysr Y. Ramakrishna
                  Reporter:
                  ysr Y. Ramakrishna
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                  Dates

                  • Created:
                    Updated:
                    Resolved:
                    Imported:
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