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List:       busybox-cvs
Subject:    [Bug 3247] New: BusyBox internal mkfs.ext2 overwrites the first 1024 bytes with zeros
From:       bugzilla () busybox ! net (bugzilla at busybox ! net)
Date:       2011-02-15 4:37:21
Message-ID: bug-3247-161 () https ! bugs ! busybox ! net/
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https://bugs.busybox.net/show_bug.cgi?id=3247

           Summary: BusyBox internal mkfs.ext2 overwrites the first 1024
                    bytes with zeros
           Product: Busybox
           Version: 1.18.x
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: minor
          Priority: P5
         Component: Other
        AssignedTo: unassigned at busybox.net
        ReportedBy: 404errorqc at gmail.com
                CC: busybox-cvs at busybox.net
   Estimated Hours: 0.0


When run, the mkfs.ext2 applet overwrites the first 1024 bytes of a partition
with zeros. This is very annoying in the SPARC world because if the  mkfs.ext2
applet is used from a netboot image to  the first partition of an harddisk
(starting at cylinder 0) it overwrites the Sun disklabel on it (including the
partitioning information). 

Linux ext2 utilities leave the first 1024 bytes of a partition untouched.

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