Date: Wed, 16 Aug 2006 01:03:37 +0300 (EEST) From: "Jukka A. Ukkonen" <jau@jau.iki.fi> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/102121: strftime(3) fails on certain dates Message-ID: <200608152203.k7FM3bGk067871@jau.iki.fi> Resent-Message-ID: <200608152210.k7FMAEXd076058@freefall.freebsd.org>
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>Number: 102121 >Category: bin >Synopsis: strftime(3) fails on certain dates >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Aug 15 22:10:13 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Jukka A. Ukkonen >Release: FreeBSD 6.1-STABLE i386 >Organization: Private person >Environment: System: FreeBSD mjolnir 6.1-STABLE FreeBSD 6.1-STABLE #0: Mon Aug 14 11:21:54 EET DST 2006 root@mjolnir:/usr/obj/usr/src/sys/Mjolnir i386 >Description: Several programs using system default ctime(3)/strftime(3) functions produce erroneous text conversion of binary dates. This is very harmful, because the formatted dates might be used in log files etc. totally breaking any reliable timeline in the logs. >How-To-Repeat: Try for e.g. /bin/date -r 1597464920 If libc contains the failing strftime() version, you will see... Sat Aug 15 07:00:00 EET DST 2020 The correct date should be ... Tue Aug 15 23:48:40 EET DST 2006 or Tue Aug 15 22:48:40 EET 2006 when DST is not used. >Fix: None known yet. >Release-Note: >Audit-Trail: >Unformatted:
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