[RTEMS Project] #2035: psxcancel reveals NULL pointer access in _Thread_queue_Extract()

[RTEMS trac]

#2035: psxcancel reveals NULL pointer access in _Thread_queue_Extract()
-----------------------------+----------------------------
 Reporter:  sebastian.huber  |       Owner:  joel.sherrill
     Type:  defect           |      Status:  closed
 Priority:  normal           |   Milestone:  4.11
Component:  cpukit           |     Version:  4.11
 Severity:  blocker          |  Resolution:  fixed
 Keywords:                   |
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Comment (by Sebastian Huber <sebastian.huber@…>):

 In [changeset:"f32935335a7f9b53c14133724753045ead988ca4/rtems"]:
 {{{
 #!CommitTicketReference repository="rtems"
 revision="f32935335a7f9b53c14133724753045ead988ca4"
 score: Fix POSIX thread join

 A thread join is twofold.  There is one thread that exists and an
 arbitrary number of threads that wait for the thread exit (one-to-many
 relation).  The exiting thread may want to wait for a thread that wants
 to join its exit (STATES_WAITING_FOR_JOIN_AT_EXIT in
 _POSIX_Thread_Exit()).  On the other side we need a thread queue for all
 the threads that wait for the exit of one particular thread
 (STATES_WAITING_FOR_JOIN in pthread_join()).

 Update #2035.
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/2035#comment:5>
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