[GHC] #15544: Possible segmentation fault in cryptohash-sha256 testsuite

[GHC]

#15544: Possible segmentation fault in cryptohash-sha256 testsuite
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * priority:  normal => highest


Comment:

 Sometimes the program also outright segfaults. The stderr message appears
 to be due to the timer manager control fd filling. I suspect this thread
 is killed due to the segfault and consequently the pipe fills, resulting
 in the messages.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15544#comment:1>
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