Jin Seok Park 12e7aa5882 ExifInterface: Prevent infinite loop
A corrupted image file may create two problems.
1. A corrupted IFD pointer may point to an IFD that has already
been read, thus creating an infinite loop and a stack overflow.
2. A corrupted IFD offset value may have a negative value, thus
prompting a random reading of the file and creating an infinite
loop.
This CL addresses these issues.

Bug: 63800695
Test: Run cts (ExifInterfaceTest)
Change-Id: I706a0c3eae6af8301af69407333ea88e5681df3c
2018-04-20 10:36:00 +09:00
2018-04-04 15:59:43 +00:00
2018-02-28 19:06:48 -08:00
2018-03-26 11:04:48 -06:00
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