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  1. JDK
  2. JDK-8144732

VM_HeapDumper hits assert with bad dump_len

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    • svc
    • b110
    • Not verified

    Backports

      Description

        heapDumper doesn't check the size of segment while dumping an array. So if (bytes written to segment + length of array) > max_juint it overflows u4 segment length field and crash later on assert in heapDumper.cpp:

        assert(dump_len >= 0 && dump_len <= max_juint) failed: bad dump length

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            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8235299 VM_HeapDumper hits assert with bad dump_len

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8145091 JMAP fails to dump huge arrays

            • P3 - Major loss of function.
            • Resolved
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8145091 JMAP fails to dump huge arrays

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8149790 NegativeArraySizeException with hprof

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8150986 serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java failing because expects HPROF JAVA PROFILE 1.0.1 file format

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8171084 heapdump/JMapHeapCore fails with java.lang.RuntimeException: Heap segment size overflow.

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

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                aeriksso Andreas Eriksson (Inactive)
                jprovino Joseph Provino (Inactive)
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                  Created:
                  Updated:
                  Resolved: