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Memory access
bugs
Buffer
overflow
Erroneous
type cast
Use-after-
free
Use-after-
return
Use-after-
scope
[De]allocation
bugs
Memory
leaks
Use of
uninitialized
memory
Threading
bugs
Mutex
Deadlock
Data
Races
Race on a
bitfield
Race During
Destruction
VPTR:
construction
order
Race on
VPTR
Race on VPTR
(cont)
Atomicity
violation
Atomicity violation
(cont)
Other
Undefined
Behavior
Init Order
Fiasco
ODR (one
definition rule)
Violation
Lack of
Sequence Point
Integer
Overflow
Bug classification](https://image.slidesharecdn.com/melnytskyiartemalittleaboutthebugsinthecode-180227125044/85/Melnytskyi-Artem-A-Little-About-the-Bugs-in-the-Code-5-320.jpg)
Melnytskyi Artem "A Little About the Bugs in the Code"
- 1. www.luxoft.com Artem Melnytskyi A Little About the Bugs in the Code
- 3. www.luxoft.com It’s about • Bug classification • Memory access bugs • Threading bugs • Undefined behavior bug
- 4. www.luxoft.com Before the beginning… • Nothing here claims to be the truth in the last instance. • Yes, I know that on another compiler, and another platform (on which you were lucky enough to work) this may not be so.
- 5. www.luxoft.com Memory access bugs Buffer overflow Erroneous type cast Use-after- free Use-after- return Use-after- scope [De]allocation bugs Memory leaks Use of uninitialized memory Threading bugs Mutex Deadlock Data Races Race on a bitfield Race During Destruction VPTR: construction order Race on VPTR Race on VPTR (cont) Atomicity violation Atomicity violation (cont) Other Undefined Behavior Init Order Fiasco ODR (one definition rule) Violation Lack of Sequence Point Integer Overflow Bug classification
- 11. www.luxoft.com Алло RAIIчка, ты сейчас упадешь! Memory access bugs
- 14. www.luxoft.com https://www.viva64.com/en/a/0079/ 100 Bugs in Open Source C/C++ projects
- 21. www.luxoft.com
- 23. www.luxoft.com Init Order Fiasco Other Undefined Behavior