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image/jpeg: Decode incorrectly complains about missing SOF marker #12784

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ghost opened this issue Sep 29, 2015 · 3 comments
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image/jpeg: Decode incorrectly complains about missing SOF marker #12784

ghost opened this issue Sep 29, 2015 · 3 comments
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Go1.6

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@ghost
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ghost commented Sep 29, 2015

http://play.golang.org/p/qUNLzBVraB

The image was generated using ImageMagick and libjpeg's cjpeg and is a valid image with a SOF0 marker, but Decode() complains about invalid JPEG format: missing SOF marker.
@bradfitz bradfitz added this to the Go1.6 milestone Sep 29, 2015
@ALTree
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ALTree commented Oct 25, 2015

If I dump your jpg array to file and then try to decode it I get

$ djpeg ~/Desktop/imm.jpg 
Corrupt JPEG data: 3 extraneous bytes before marker 0xc4
Invalid JPEG file structure: SOS before SOF

Are you sure you are using a valid JPEG image?

@ghost
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ghost commented Oct 25, 2015

@ALTree Oops. Something went wrong. Closing the issue as invalid.

@ghost ghost closed this as completed Oct 25, 2015
@emad-elsaid
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For the record, I stumbled across this issue while debugging an image resizer, I had some images that wasn't resized and the error message was the same as this issue, so I tried to get the type of the file and turns out to be png and I forgot to import the png and also gif decoders to my app.

just to save some time for other people who gets here.

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@bradfitz @emad-elsaid @ALTree @nigeltao @gopherbot