Segmentation fault in bluecherry-client!DVRCamera::liveStream() [qsharedpointer_impl.h : 580 + 0x0]

[antonsviridenko]

crashdump.bluecherrydvr.com/crashdumps/2.2.1/linux-81c616819787ff90366b6f0462177d7b

Operating system: Linux
                  0.0.0 Linux 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64
CPU: amd64
     family 6 model 58 stepping 9
     8 CPUs

Crash reason:  SIGSEGV
Crash address: 0x50
Process uptime: not available

Thread 0 (crashed)
 0  bluecherry-client!DVRCamera::liveStream() [qsharedpointer_impl.h : 580 + 0x0]
    rax = 0x0000000000000000   rdx = 0x00007fdb2a8b6ca0
    rcx = 0x0000000000000001   rbx = 0x0000000000000000
    rsi = 0x0000000000000000   rdi = 0x00007fff935bbe30
    rbp = 0x0000000000000010   rsp = 0x00007fff935bbdd0
     r8 = 0x00007fff935bb8a0    r9 = 0x0000000000000000
    r10 = 0x0000000000e69330   r11 = 0x00007fdb26b87870
    r12 = 0x00007fff935bbe30   r13 = 0x0000000000505680
    r14 = 0x0000000000000000   r15 = 0x00007fff935bbf90
    rip = 0x000000000046a828
    Found by: given as instruction pointer in context
 1  bluecherry-client!LiveFeedItem::cameraDataUpdated() [LiveFeedItem.cpp : 113 + 0x8]
    rbx = 0x0000000002e89400   rbp = 0x00007fff935bbe40
    rsp = 0x00007fff935bbe30   r12 = 0x0000000000000001
    r13 = 0x0000000000505680   r14 = 0x0000000000000000
    r15 = 0x00007fff935bbf90   rip = 0x000000000049b013
    Found by: call frame info
 2  bluecherry-client!LiveFeedItem::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) [moc_LiveFeedItem.cxx : 171 + 0x5]
    rbx = 0x00000000014c15e0   rbp = 0x0000000002e89400
    rsp = 0x00007fff935bbe70   r12 = 0x0000000000000001
    r13 = 0x0000000000505680   r14 = 0x0000000000000000
    r15 = 0x00007fff935bbf90   rip = 0x00000000005058cd
    Found by: call frame info
 3  libQtCore-bluecherry.so.4.8.6 + 0x1b2591
    rbx = 0x00000000014c15e0   rbp = 0x0000000002e89400
    rsp = 0x00007fff935bbea0   r12 = 0x0000000000000001
    r13 = 0x0000000000505680   r14 = 0x0000000000000000
    r15 = 0x00007fff935bbf90   rip = 0x00007fdb2a56c591
    Found by: call frame info
 4  libQtDeclarative-bluecherry.so.4.8.6 + 0x170b58
    rsp = 0x00007fff935bbec0   rip = 0x00007fdb2e04bb58
    Found by: stack scanning