Unable to access fuse mountpoint with seteuid()

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Hello,

I've written a setuid root program that tries to access a FUSE
mountpoint owned by the calling user. I'm running seteuid(getuid()) to
drop privileges, but still don't seem to be able to access the
mountpoint.

Is that a bug or a feature? If it's a feature, is there any other way to
get access to the mountpoint? All I want is the st_dev value...

Best,
-Nikolaus

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