This bug was fixed in the package libfprint - 1:1.94.5+tod1-0ubuntu1
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libfprint (1:1.94.5+tod1-0ubuntu1) kinetic; urgency=medium
* New upstream release (LP: #1992855):
- Supports new FPC MOC device
- Avoid defining duplicated symbols in tod and libfprint (LP: #1992841)
* debian/libfprint-2-2.postinst: Devices triggers updated
* debian/patches: Drop all (applied upstream)
* debian/libfprint-2-tod1.symbols: Add new symbols for shared drivers
* debian/source: Remove include-binaries file, we've none now
-- Marco Trevisan (Treviño) <[email protected]> Fri, 14 Oct 2022
00:18:27 +0200
** Changed in: libfprint (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1992841
Title:
Same symbols are exposed in libraries causing potential GType issues
Status in libfprint package in Ubuntu:
Fix Released
Bug description:
[ Impact ]
Both libfprint-2.so and libfprint-2.so.2.0.0 and libfprint-2-tod.so.1
(that the first one loads) are defining some symbols instead of just
referencing them.
This can lead to hangs, or deadlocks because we could try to re-define
the same GType multiple times.
See more details at:
https://gitlab.freedesktop.org/3v1n0/libfprint/-/merge_requests/2
[ Test case ]
1. Download this script:
https://gitlab.freedesktop.org/3v1n0/libfprint/-/raw/tod/libfprint/tod/tests/check-library-symbols.sh
2. Run it as:
libfprint/tod/tests/check-library-symbols.sh \
/usr/lib/x86_64-linux-gnu/libfprint-2.so.2 \
/usr/lib/x86_64-linux-gnu/libfprint-2-tod.so.1
3. Ensure that no duplicated symbols are shown
[ Regression potential ]
Shared libraries linking with libfprint (or tod) may not find symbols.
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https://bugs.launchpad.net/ubuntu/+source/libfprint/+bug/1992841/+subscriptions
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