[MacPorts] #36061: mythbackend crashes when accessed by UPNP clients

[MacPorts]

#36061: mythbackend crashes when accessed by UPNP clients
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 Reporter:  james.george@…                 |       Owner:  macports-tickets@…                   
     Type:  defect                         |      Status:  new                                  
 Priority:  Normal                         |   Milestone:                                       
Component:  ports                          |     Version:  2.1.2                                
 Keywords:                                 |        Port:                                       
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 I'm seeing repeatable crashes in the mythbackend when accessing it via
 UPNP clients (e.g. 8Player) or TORC (all iOS apps running on iPad).

 The mythbackend log shows no activity prior to crash, however, I'll attach
 one.  Crash log from mythbackend is attached with an excerpt below:

 {{{
 Thread 21 Crashed:
 0   libunwind.dylib                     0x00007fff971afe9c
 libunwind::CompactUnwinder_x86_64<libunwind::LocalAddressSpace>::stepWithCompactEncodingFrameless(unsigned
 int, unsigned long long, libunwind::LocalAddressSpace&,
 libunwind::Registers_x86_64&, bool) + 548
 1   libunwind.dylib                     0x00007fff971ad5c0
 libunwind::CompactUnwinder_x86_64<libunwind::LocalAddressSpace>::stepWithCompactEncoding(unsigned
 int, unsigned long long, libunwind::LocalAddressSpace&,
 libunwind::Registers_x86_64&) + 86
 2   libunwind.dylib                     0x00007fff971ad50e
 libunwind::UnwindCursor<libunwind::LocalAddressSpace,
 libunwind::Registers_x86_64>::step() + 58
 3   libunwind.dylib                     0x00007fff971acbd7
 _Unwind_RaiseException + 83
 4   libc++abi.dylib                     0x00007fff92c59baa __cxa_rethrow +
 72
 5   libmythupnp-0.25.0.dylib            0x00000001060a2a08
 MethodInfo::Invoke(Service*, QMap<QString, QString> const&) + 2056
 6   libmythupnp-0.25.0.dylib            0x00000001060a486f
 ServiceHost::ProcessRequest(HTTPRequest*) + 3823
 7   libmythupnp-0.25.0.dylib            0x0000000106063fc2
 HttpServer::DelegateRequest(HTTPRequest*) + 226
 8   libmythupnp-0.25.0.dylib            0x0000000106064572
 HttpWorker::run() + 770
 9   libmythbase-0.25.0.dylib            0x000000010615a0e4
 MPoolThread::run() + 388
 10  libQtCore.4.dylib                   0x00000001084071af
 QThreadPrivate::start(void*) + 373
 11  libsystem_c.dylib                   0x00007fff9a4f2782 _pthread_start
 + 327
 12  libsystem_c.dylib                   0x00007fff9a4df1c1 thread_start +
 13
 }}}

 Please let me know if you need any further information.

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Ticket URL: <https://trac.macports.org/ticket/36061>
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