NULL dereference in psxcancel

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Dec 17 07:35:40 UTC 2013


On 2013-12-17 01:58, Joel Sherrill wrote:
> Hi
>
> mips/jmr3904 faults on this but I confirmed psim has the
> same failure.  watchpoints do not seem to be working on
> either
>
> countTaskAsync: elapsed time (second):  1
> countTaskAsync: elapsed time (second):  2
> countTaskAsync: elapsed time (second):  3
> countTaskAsync: elapsed time (second):  4
> mips-core: 4 byte read to unmapped address 0x34 at 0x88010cb0
>
> Program received signal SIGBUS, Bus error.
> _Thread_queue_Extract (the_thread_queue=0x0, the_thread=0x88020068)
>      at
> ../../../../../../rtems/c/src/../../cpukit/score/src/threadqextract.c:33
> 33	  if  ( the_thread_queue->discipline ==
> THREAD_QUEUE_DISCIPLINE_PRIORITY )
> (gdb) q
>
> I think there is a bug in the asynchronous cancellation.
>

https://www.rtems.org/bugzilla/show_bug.cgi?id=2035

-- 
Sebastian Huber, embedded brains GmbH

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