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file_range: avoid integer overflow when figuring out byte range #1908

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@bagder bagder commented Sep 22, 2017

When trying to bump the value with one and the value is already at max,
it causes an integer overflow.

Detected by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3465

Assisted-by: Max Dymond (@cmeister2)

When trying to bump the value with one and the value is already at max,
it causes an integer overflow.

Detected by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3465

Assisted-by: Max Dymond
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bagder commented Sep 22, 2017

(the oss-fuzz bug URL is not open for the public as of this time, but will be opened later on so I think the URL can be useful to keep)

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bagder commented Sep 22, 2017

The travis failure is unrelated and is fixed in 7c52b12

@bagder bagder closed this in afbdc96 Sep 23, 2017
@bagder bagder deleted the bagder/file-range-overflow branch September 23, 2017 16:21
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