[wp-trac] [WordPress Trac] #31767: insert_with_markers() is not atomic, leading to corrupted .htaccess updates under race conditions

[WordPress Trac]

#31767: insert_with_markers() is not atomic, leading to corrupted .htaccess updates
under race conditions
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 Reporter:  tigertech       |       Owner:
     Type:  defect (bug)    |      Status:  new
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Filesystem API  |     Version:  4.1.1
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:
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Comment (by rmccue):

 Also experienced this on a live site (my own). Seems like straight-up file
 locking would probably be the best solution here.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31767#comment:6>
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