Linux Segmentation Fault (core dumped) Fix

Overview

Fix "Segmentation fault (core dumped)" on Linux. The program accessed invalid memory.

Key Details

• Error: Segmentation fault (core dumped)
• Category: Linux Command/Application Error
• Program tried to access invalid memory
• A core dump file may have been created

Common Causes

• Bug in the program (null pointer dereference)
• Buffer overflow in C/C++ code
• Incompatible library version
• Corrupted binary file

Steps

1. 1Check if program is up to date: apt list --installed | grep program
2. 2Reinstall: sudo apt install --reinstall program-name
3. 3Debug with core dump: gdb program core
4. 4Check library dependencies: ldd /path/to/program
5. 5Run with Valgrind: valgrind ./program

Tags

More in Linux Command

Frequently Asked Questions