[wp-trac] [WordPress Trac] #39550: Some Non-image files fail to upload after 4.7.1

[WordPress Trac]

#39550: Some Non-image files fail to upload after 4.7.1
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 Reporter:  greatislander  |       Owner:  joemcgill
     Type:  defect (bug)   |      Status:  assigned
 Priority:  normal         |   Milestone:  4.7.2
Component:  Upload         |     Version:  trunk
 Severity:  normal         |  Resolution:
 Keywords:  needs-patch    |     Focuses:
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Comment (by emtatech):

 From what we've discovered with this bug, uploads seems to add a "x-" in
 the filetype which then is rejected as it does not match the original file
 type.

 Example:

 Uploaded a "audio/wav"
 After upload, PHP reports type is set to "audio/x-wav"
 Miss match, thus fails.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39550#comment:24>
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