Public bug reported: Packages: libcrypto++8 and libcrypto++8-dev
Crypto++ received a few GNU Linux bug reports [1, 2], and Wei Dai vetted out the crash due to global object destruction in a shared object (the bug is not present in a static library). The crash fix was sufficient to support shared objects, and the commit occurred at revision 496 [3]. Please ensure the distribution is using revision 496 or higher of Crypto++. Crypto++ version 5.6.1 includes revision 496, while Crypto 5.6.0 does not include the revision. While trying to duplicate the issues, a stress test was written. It might be a good test case for the distribution's build bot. The program generates 96 threads which perform dynamic loads/unloads (with lots of overlap) to ensure proper cleanup on library unload. The stress test, released under GPLv3, is available at http://www.cryptopp.com/wiki/Linux#Note_for_Distribution_Packagers. The latest Crypto++ library can be downloaded directly from the website at http://www.cryptopp.com. The 5.6.1 ZIP includes shared object support (the ZIP will get stale over time since the archive is frozen). Crypto++ can also be fetched from SourceForge, which is always up to date. Issue "svn checkout https://cryptopp.svn.sourceforge.net/svnroot/cryptopp/trunk/c5 cryptopp"/ In addition to revision 496, the commit at 492 included a SHA-2 bug fix on x64 with GCC optimizations enabled [4]. Finally, this was also reported to Debian in issue 599639. See http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=599639. Jeffrey Walton, Friend of the Crypto++ Library, [1] Errors with multiple loading cryptopp as shared lib on Linux, http://groups.google.com/group/cryptopp-users/browse_thread/thread/68fbc22e8c6e2f48 [2] RTLD_GLOBAL and libcryptopp.so crash, http://groups.google.com/group/cryptopp-users/browse_thread/thread/7eae009a4e02e726 [3] http://cryptopp.svn.sourceforge.net/viewvc/cryptopp?view=revision&revision=496 [4] http://cryptopp.svn.sourceforge.net/viewvc/cryptopp?view=revision&revision=492 ** Affects: ubuntu Importance: Undecided Status: New ** Tags: crypto++ object shared -- libcrypto++/libcryptopp and Shared Objects https://bugs.launchpad.net/bugs/657823 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
