Bug#991059: diffoscope: out-of-memory

[Roland Clobus]

Answering my own mail.

On 11/08/2021 11:49, Roland Clobus wrote:
> So it appears to me that different code is activated for regular users
> and root.

I think I've found the cause for the different code paths.
The squashfs image contains devices, which can only be extracted as root.

Output of unsquashfs as root, returnvalue = 0:
created 255001 files
created 20202 directories
created 26672 symlinks
created 8 devices
created 0 fifos

Output of unsquashfs as user, returnvalue = 1:
created 255001 files
created 20202 directories
created 26672 symlinks
created 0 devices
created 0 fifos

With squashfuse (mounting the image in userspace) to replace the
unpacking to disc with unsquashfs, this issue might be avoided.

With kind regards,
Roland Clobus

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