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Fix some 'impossible' overflow bugs in byte counting

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The first was genuinely impossible, I think: it could only happen
when the amount we read differed from the amount we wanted to read
by more than INT_MAX.

The second is just very unlikely: it would give incorrect results to
the controller if you somehow wrote or read more than 4GB on one
edge conn in one second.  That one is a bugfix on 0.1.2.8-beta.
This commit is contained in:
Nick Mathewson
2011-03-25 16:45:25 -04:00
parent 6a5b94de6c
commit dddd333a80
2 changed files with 27 additions and 14 deletions
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changes/count_overflow
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o Minor bugfixes:
- Correctly handle an "impossible" overflow cases in connection
byte counting, where we write or read more than 4GB on an edge
connection in single second. Bugfix on 0.1.2.8-beta.