Remote instances not pulling my media

[ghost]

Hi,

Just posted this toot: I can see remote instances requesting https://from.komic.eu/system/media_attachments/files/000/008/022/original/da96a4d472cc81a3.png (requests are 200ing), here's the result on https://anticapitalist.party/.
Same thing with my avatar or header, as you can see (@[email protected] already tried forcing a refresh from the instance's panel, I already tried changing them).

The following stands out in ACP's logs:
Jul 19 01:16:09 mastodon bundle[21226]: [paperclip] Content Type Spoof: Filename da96a4d472cc81a3.png (inode/x-empty from Headers, ["image/png"] from Extension), content type discovered from file command: inode/x-empty. See documentation to allow this combination.

@[email protected] also reports this.

Does anyone know what's happening here? My server does send the image/png content-type header, the extension is obviously correct, and a file -b --mime da96a4d472cc81a3.png does return image/png too. Pretty confusing.

Cheers.

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• I searched or browsed the repo’s other issues to ensure this is not a duplicate.
• This bug happens on a tagged release and not on master (If you're a user, don't worry about this).

[ghost]

@Gargron saved the day: if you're encountering this, disable h2.
httprb/http#422

[ixti]

All interested parts, please participate in discussion about switching underlying parser of http gem here: httprb/http#433