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Learn more about Teams If you want to make an info type post, it is better if you work on writing a good question. meta.stackexchange.com/questions/17463 meta.stackexchange.com/questions/12513 – Zoredache Sep 22, 2009 at 5:45 Accepted my own answer. I do not remember what I was thinking back in 2009 when I asked a question and answered it few minutes later. Probably I did not knew the answer, and asked before googling it... – jpmartins Aug 2, 2019 at 19:25

Signal 11 (SIGSEGV, also known as segmentation violation) means that the program accessed a memory location that was not assigned to it.

That's usually a bug in a program. So if you're writing your own program, that's the most likely cause.

It can also commonly occur with some hardware malfunctions.

This is such an informative answer, why would it get 4 negative votes? (the reason it's only -3 is because I just upvoted it). – user1271772 Jun 23, 2019 at 22:24 I usually see segmentation faults as the catch-all error in low-level languages. Tools like {Address|Leak}Sanitizer, as well as debuggers such as GDB, can help to demystify the error and point to a cause. – Matt F. Jul 3, 2021 at 19:25