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Changes between Initial Version and Version 1 of Ticket #29557, comment 48


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Timestamp:
09/13/2014 02:26:19 AM (7 years ago)
Author:
miqrogroove
Comment:

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  • Ticket #29557, comment 48

    initial v1  
    33Using 4.0-beta code.
    44
    5 Test case caused about 60000 trackbacks in 5.2.4.  It did not crash, but note this would be close to the default backtrack limit for that version.
    6 v5.2.13 reached about 24700 trackbacks and then crashed.
     5Test case caused about 60000 backtracks in 5.2.4.  It did not crash, but note this would be close to the default backtrack limit for that version.
     6v5.2.13 reached about 24700 backtracks and then crashed.
    77
    88Using 4.0.0 code.
    99
    10 Test case caused about 30000 trackbacks in 5.2.4.
    11 v5.2.13 reached about 24700 trackbacks and then crashed.
     10Test case caused about 30000 backtracks in 5.2.4.
     11v5.2.13 reached about 24700 backtracks and then crashed.
    1212Note kovshenin's comment appears to be incorrect https://core.trac.wordpress.org/ticket/12690#comment:37  What we thought was a solution only decreased the backtrack count by half, meaning a post twice as long would still crash PHP.
    1313
    1414Using 4.0.0 code with second extra possessive as discussed.
    1515
    16 Test case caused about 8000 trackbacks in 5.2.4 as well as 5.2.13.
     16Test case caused about 8000 backtracks in 5.2.4 as well as 5.2.13.
    1717
    1818Using the .4 patch code.
    1919
    20 Test case caused about 10 trackbacks for unregistered shortcodes and 20 trackbacks for registered shortcodes.
     20Test case caused about 10 backtracks for unregistered shortcodes and 20 backtracks for registered shortcodes.
    2121
    2222Using the .5 patch code.
    2323
    24 Test case caused about 10 trackbacks for unregistered shortcodes and 10 trackbacks for registered shortcodes.
     24Test case caused about 10 backtracks for unregistered shortcodes and 10 backtracks for registered shortcodes.
    2525
    2626I can't yet explain why some people seem to be having better luck with the .5 patch than the .4 patch.  My comparison of the two is inconclusive, but I'm comfortable using the .5 patch based on the results so far.