Buffer Overflows

1. IA32 Linux Memory Layout
• Stack
• Runtime stack (8MB limit)
• Heap
• Dynamically allocated storage
• Allocated by malloc(), calloc(), new()
• Data
• Statically allocated data
• Read-only: string literals
• Read/write: global arrays and variables
• Text
• Executable machine instructions
• Read-only
2. 
3. 
4. 
5. 

【2014-11-22】《The Hardware/Software Interface》– Section 6