lkml.org 
[lkml]   [2007]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [patch] x86-64 ext2/ext3 datestamp problem
    Markus Rechberger wrote:
    > Hi,
    >
    > there is an issue with ext2/ext3 date stamps, if someone creates a file
    > with a timestamp between 1902 and 1970(epoch 0) it will overflow and
    > result in a higher date than 2038.
    >
    > $ touch --date "1905-01-01" test
    > $ ls -lah test
    > -rw-r--r-- 1 root root 0 Jan 1 1905 test (this is a cached value here)
    > (remount the partition/clear the cache)
    > $ ls -lah test
    > -rw-r--r-- 1 root root 0 Feb 6 2041 test
    >
    > 10000101101111001100011001110000 .. -2051226000 (1905)
    > 10000101101111001100011001110000 .. 2243741296 (2041)
    >
    > this was tested against linus git tree
    >

    I believe the timestamp fields in ext2/ext3 are defined as unsigned.

    -hpa
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-02-06 22:53    [W:0.020 / U:30.540 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site