(gdb) info threads
Id Target Id Frame
* 1 Thread 0x3ffb5860750 (LWP 242273) "tst_controls" 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1)
at ../sysdeps/wordsize-64/../../io/fts.c:537
2 Thread 0x3ffae87f910 (LWP 242274) "QXcbEventReader" 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1)
at ../sysdeps/wordsize-64/../../io/fts.c:537
3 Thread 0x3ffadb7f910 (LWP 242275) "QQmlThread" 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1)
at ../sysdeps/wordsize-64/../../io/fts.c:537
4 Thread 0x3ffa7fff910 (LWP 242276) "QDBusConnection" 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1)
at ../sysdeps/wordsize-64/../../io/fts.c:537
(gdb) thread apply all bt
Thread 4 (Thread 0x3ffa7fff910 (LWP 242276)):
#0 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1) at ../sysdeps/wordsize-64/../../io/fts.c:537
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Thread 3 (Thread 0x3ffadb7f910 (LWP 242275)):
#0 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1) at ../sysdeps/wordsize-64/../../io/fts.c:537
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Thread 2 (Thread 0x3ffae87f910 (LWP 242274)):
#0 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1) at ../sysdeps/wordsize-64/../../io/fts.c:537
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Thread 1 (Thread 0x3ffb5860750 (LWP 242273)):
#0 0x000003ffb4669b24 in fts_children (sp=0xfffffffffffffdfc, instr=1) at ../sysdeps/wordsize-64/../../io/fts.c:537
Backtrace stopped: previous frame identical to this frame (corrupt stack?)