How KASAN Detects Kernel Memory Errors: Out‑of‑Bounds, Use‑After‑Free, and Double‑Free Explained

This article explains KASAN (Kernel Address Sanitizer), its integration in the Linux kernel, the shadow‑memory technique it uses, and demonstrates how it catches out‑of‑bounds accesses, use‑after‑free and double‑free bugs with detailed log analysis and GDB debugging steps.

KASANLinux kernelOut-of-Bounds

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How KASAN Detects Kernel Memory Errors: Out‑of‑Bounds, Use‑After‑Free, and Double‑Free Explained

ITPUB

Oct 28, 2021 · Fundamentals

5 Common C Bugs Every Programmer Should Avoid

This article outlines five typical C programming mistakes—uninitialized variables, array out‑of‑bounds access, string overflow, double free, and invalid file pointers—explaining why they occur, showing concrete code examples with varied outputs, and offering practical safeguards to prevent them.

C programmingMemory Managementarray bounds

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5 Common C Bugs Every Programmer Should Avoid

Liangxu Linux

Oct 26, 2021 · Fundamentals

5 Sneaky C Bugs Every Programmer Should Avoid

This article lists five common C programming mistakes—uninitialized variables, array out‑of‑bounds access, string overflow, double free, and invalid file pointers—explains why they occur, shows concrete code examples with typical output, and offers practical ways to prevent each bug.

C programmingInitializationMemory Management

0 likes · 13 min read

5 Sneaky C Bugs Every Programmer Should Avoid