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Re: Crash when loading some jpeg files [message #59521 is a reply to message #59508]

Mon, 16 January 2023 10:09

pvictor is currently offline

pvictor
Messages: 67
Registered: December 2015

Member

Well, after waiting for a while, I decided to find this bug myself.
I don't know if it is 100% correct, but it prevents crash on those unhappy images:
uppsrc/plugin/jpg/jpgupp.cpp: 384

- for(int diroff = Exif32(p + 4, end); diroff && begin + diroff < end; diroff = ExifDir(begin, end, diroff, BASE_IFD))
+ for(int diroff = Exif32(p + 4, end); diroff>0 && begin + diroff < end; diroff = ExifDir(begin, end, diroff, BASE_IFD))

Best regards,
Victor

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[Message index]

		Crash when loading some jpeg files By: pvictor on Tue, 10 January 2023 09:52
		Re: Crash when loading some jpeg files By: pvictor on Mon, 16 January 2023 10:09

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