URL:
  <http://savannah.gnu.org/bugs/?22017>

                 Summary: zic can generate files which crash the linux kernel
                 Project: GNU Core Utilities
            Submitted by: None
            Submitted on: Monday 14/01/08 at 09:18 UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Hi there,

Don't know if you'll want to fix, but we just had an issue where zic is
generating files which cause a kernel panic in tzfile.c on Linux. Apparently
the -01:00 is the offending time offset.

cheers,
 Jamie ([EMAIL PROTECTED])

We compiled the following timezone file with zic and put the result in
/etc/localtime. This makes tzfile.c fail with assertion that numtypes==1.

# /etc/timezone (auto-generated)

# Daylight savings time rules
#    Name       YrStart   YrEnd   Type   Month,Day,At,Offset      Letter
Rule DAYLIGHT   2000      max     -      Mar lastSun 02:00 01:00   -
Rule DAYLIGHT   2000      max     -      Oct lastSun 03:00 -01:00   -

# Timezone description
#    NAME        Offset    Rule       Name(/DaylightName)
Zone localtime   00:00     DAYLIGHT   GMT/BST




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