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  1. JDK
  2. JDK-8266787

Potential overflow of pointer arithmetic in G1ArchiveAllocator

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    • Bug
    • Resolution: Fixed
    • P4
    • 17
    • 17
    • hotspot
    • gc
    • b22

    Description

      In `G1ArchiveAllocator::archive_mem_allocate`, the addition, `HeapWord* new_top = old_top + word_size;`, could overflow. Should use `pointer_delta` to check if there's enough space left firstly.

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              ayang Albert Yang
              ayang Albert Yang
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