Re: [Mingw-users] NULL dereference crash in pthread_cleanup_dest (winpthreads)

[Bruce C. <br...@cr...>]

On 10/14/2013 6:16 PM, niXman wrote:
> Bruce Cran 2013-10-14 20:24:
>> I've recently updated an application to build using the latest MinGW
>> (4.7.3) that comes with Cygwin, and have run into a problem.
>> pthreads-win32 has been replaced with winpthreads and gdb is reporting
>> a
>> NULL dereference segfault in pthread_cleanup_dest().
> Can you provide more information about how to reproduce this error?
> If possible provide call-stack.

I run my application and after a few seconds it crashes, with gdb output:

[Thread 3656.0x2a8 exited with code 0]
[New Thread 3656.0xc18]
warning: Invalid parameter passed to C runtime function.
[New Thread 3656.0x1e10]
[New Thread 3656.0xff0]
[New Thread 3656.0x15fc]
[New Thread 3656.0x1ea8]
[New Thread 3656.0x162c]
[New Thread 3656.0x568]
[New Thread 3656.0x1054]
[New Thread 3656.0xff8]
[New Thread 3656.0x160c]
[New Thread 3656.0xd5c]
[Thread 3656.0xd5c exited with code 0]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 3656.0x15fc]
0x649459f6 in pthread_cleanup_dest () from /cygdrive/i/libwinpthread-1.dll
(gdb) bt
#0  0x649459f6 in pthread_cleanup_dest () from 
/cygdrive/i/libwinpthread-1.dll

-- 
Bruce Cran