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List of Common Reasons for Segmentation Faults in C/C++
The main reason for segmentation fault is accessing memory that is either not initialized, out of bounds for your program or trying to modify string literals. These may cause a segmentation fault though it is not guaranteed that they will cause a segmentation fault. Here are some of the common reasons for segmentation faults −
- Accessing an array out of bounds
- Dereferencing NULL pointers
- Dereferencing freed memory
- Dereferencing uninitialized pointers
- Incorrect use of the "&" (address of) and "*" (dereferencing) operators
- Improper formatting specifiers in printf and scanf statements
- Stack overflow
- Writing to read-only memory
Updated on: 27-Jan-2020
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