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  1. Core Server
  2. SERVER-20332

Undefined behavior when types of NumberLong's fields are changed by user

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Minor - P4 Minor - P4
    • 3.1.9
    • Affects Version/s: 3.1.7
    • Component/s: JavaScript
    • Fully Compatible
    • ALL
    • Platform 9 (09/18/15), Platform A (10/09/15)
    • 0

      Clang reports undefined behaviour when the following commands were entered into the shell:

      > x = NumberLong(5)
NumberLong(5)
> Object.keys(x)
[ "floatApprox" ]
> x.floatApprox
5
> x.floatApprox = 'g'
g
> x.valueOf()
(/home/sajack/mongo/mongo+0x18652a1): runtime error: value nan is outside the range of representable values of type 'long long'
SUMMARY: AddressSanitizer: undefined-behavior (/home/sajack/mongo/mongo+0x18652a1): runtime error: value -9.22337e+18 is outside the range of representable values of type 'int'
SUMMARY: AddressSanitizer: undefined-behavior
-9223372036854776000

            Assignee:
            mira.carey@mongodb.com Mira Carey
            Reporter:
            spencer.jackson@mongodb.com Spencer Jackson
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              Created:
              Updated:
              Resolved: