Finding Dangling Pointers
With memory debugging turned on in TotalView, you can identify a dangling pointer (points into deallocated memory) through additional information in the Variable Windows and the Stack Frame Pane, Figure 29.
 
Figure 29 Dangling Pointers
 
RELATED TOPICS 
Fixing dangling pointers
Fixing Dangling Pointer Problems” in Debugging Memory Problems with MemoryScape
Using the command dheap -is_dangling
Checking for Dangling Pointers:
dheap -is_dangling in Debugging Memory Problems with MemoryScape