gdb: unknown target exception 0xc0000028 at 0x77c396f8

Program received signal ?, Unknown signal.
0x0000000077c396f8 in ntdll!RtlRealSuccessor ()
   from C:\windows\system32\ntdll.dll
(gdb) bt
#0  0x0000000077c396f8 in ntdll!RtlRealSuccessor ()
   from C:\windows\system32\ntdll.dll
#1  0x0000000000590000 in ?? ()
#2  0x000000000c05d090 in ?? ()
#3  0x0000000000000000 in ?? ()