-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/24/2013 08:50 AM, Stephen Smalley wrote: > On 06/22/2013 12:17 PM, Sven Vermeulen wrote: >> Hi guys >> >> Since libpcre 8.33, the behavior of restorecon is different. Take the >> context for /sbin for instance: >> >> Before libpcre 8.33: # matchpathcon /sbin /sbin >> system_u:object_r:bin_t:s0 >> >> With and after libpcre 8.33: # matchpathcon /sbin /sbin <<none>> >> >> As a result, trying to reset the label fails: >> >> # restorecon -Fv /sbin restorecon: Warning no default label for /sbin >> >> Is this a bug in libpcre or are we using it differently? According to >> Alphat-PC, it is due to rev 1313 of libpcre: >> http://vcs.pcre.org/viewvc?view=revision&revision=1313 >> >> Thanks to Alphat-PC for reporting and debugging it at >> https://bugs.gentoo.org/show_bug.cgi?id=471718 > > Looks to me as if the compiled regex format changed. So that would be a > problem for previously compiled regexes cached in the .bin files under > /etc/selinux/$SELINUXTYPE/contexts/files. You would need to re-run > sefcontext_compile to regenerate them or delete them and fall back to > loading from the source configurations. > > Not sure if there is a way to automatically detect the change in format > and handle the conversion on the libselinux side. > > > > -- This message was distributed to subscribers of the selinux mailing > list. If you no longer wish to subscribe, send mail to > majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes > as the message. We could add a trigger when pcre is updated to rerun the commands. Adding something like the following to selinux-policy, would rebuild the pcre files. %triggerin -- pcre selinuxenabled && semodule -nB exit 0 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlHIVpIACgkQrlYvE4MpobMpuwCfdb+UwZ74gavG11w42u+z4gTK 0oYAnj70/y55Ucg5IIUyEiFRFCprRKso =8wim -----END PGP SIGNATURE----- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@xxxxxxxxxxxxx with the words "unsubscribe selinux" without quotes as the message.