Ge-org Brohammer 3a41fa7ccc tests/realtek: Cover the storage error path that returned a freed GError
Deleting a print whose template is not in the sensor's storage makes the
driver fail its task SSM, which is the path that handed an already-freed
GError to fpi_device_delete_complete(). Reading the reported error is
therefore what the test is for.

No enrollment is involved: the test deserializes a stored realtek print
whose template is deliberately not on the device, so the recording needs
no finger presses and the capture stays at 90 packets.

Without the previous commit the test dies rather than fails:

  umockdev-run ... died with <Signals.SIGSEGV: 11>
  1/1 drivers+custom - libfprint:realtek-storage-errors FAIL

The duplicate-enrollment path reaches the same bug through
fp_enroll_ssm_done(), but capturing it needs two full enrollments and
some 1.07M packets of polling traffic, so it is left out here.
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LibFPrint

LibFPrint is part of the FPrint project.


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History

LibFPrint was originally developed as part of an academic project at the University Of Manchester.

It aimed to hide the differences between consumer fingerprint scanners and provide a single uniform API to application developers.

Goal

The ultimate goal of the FPrint project is to make fingerprint scanners widely and easily usable under common Linux environments.

License

Section 6 of the license states that for compiled works that use this library, such works must include LibFPrint copyright notices alongside the copyright notices for the other parts of the work.

LibFPrint includes code from NIST's NBIS software distribution.

We include Bozorth3 from the US Export Controlled distribution, which we have determined to be fine being shipped in an open source project.

Get in touch

  • IRC - #fprint @ irc.oftc.net
  • Matrix - #fprint:matrix.org bridged to the IRC channel
  • MailingList - low traffic, not much used these days

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Description
Library for fingerprint readers For unsupported devices, please see/edit https://gitlab.freedesktop.org/libfprint/wiki/-/wikis/Unsupported%20Devices Do **not** open issues for unsupported devices that are already listed in the wiki page. For other devices, please simply add them to the wiki rather than opening a bug report here. Opening an issue to ask for a driver will not have any effect other than taking time from developers who need to close the issue again.
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