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How Seccomp Works
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Classroom Contents
Using Seccomp to Limit the Kernel Attack Surface
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- 1 Introduction
- 2 History of Seccomp
- 3 Seccomp Filtering
- 4 Seccomp Filtering History
- 5 How Seccomp Works
- 6 Berkeley Packet Filter
- 7 BPF Virtual Machine
- 8 Conditional Jump Instructions
- 9 Relative Offsets
- 10 The Kernel
- 11 System Call Data
- 12 Example Load Instruction
- 13 Example Conditional Jump
- 14 Example Return Statement
- 15 Architecture Field
- 16 Answer the Filter
- 17 Kill the Process
- 18 Attacker
- 19 Unprivileged User
- 20 Example Program
- 21 Filter Program Structure
- 22 Running the Program
- 23 BPA Filter Example
- 24 A Word of Warning
- 25 LibSetComp
- 26 Multiple filters
- 27 Two microphones
- 28 Contacts
- 29 SOC Camera
- 30 SOC Glossary
- 31 Seccomp Camera
