gdb coredump 分析

#include <stdio.h>
int main()
{
    int *ptr = NULL; // NULL pointer.
    *ptr = 10;    // This is invalid assignment.
    printf("%s", "SW-VERSION=0.1");
    return 0;
}

root@5840480a36d4:~# gcc abc.c -o abc
root@5840480a36d4:~# ./abc
Segmentation fault (core dumped)
root@5840480a36d4:~# gdb -c core

Ref:

• https://mdeore.medium.com/generation-analyzing-cores-files-or-core-dump-e2864d394afc
• https://www.cse.unsw.edu.au/~learn/debugging/modules/gdb_coredumps/