I'm a beginner and need help about "Segmentation fault" error.

Jason Long via Gdb <[email protected]>
Newsgroups gmane.comp.gdb.devel
Message-ID <[email protected]> 
Hello,
I'm using Debian 10.6 x86_64 and when I want to run a program then it show me "Segmentation fault" error.
How can use gdb to find the reason of it?
I used strace to generate an output and posted it here: https://pastebin.fun/NY4RUEmyzO

I'm thankful if anyone advice me step by step.

Thank you.
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