| 1 | #include <signal.h> |
|---|---|
| 2 | #include <stdint.h> |
| 3 | #include <unistd.h> |
| 4 | |
| 5 | void sigbus_handler(int signo) { _exit(status: 47); } |
| 6 | |
| 7 | int target_function() { return 47; } |
| 8 | |
| 9 | int main() { |
| 10 | signal(SIGBUS, handler: sigbus_handler); |
| 11 | |
| 12 | // Generate a SIGBUS by deliverately calling through an unaligned function |
| 13 | // pointer. |
| 14 | union { |
| 15 | int (*t)(); |
| 16 | uintptr_t p; |
| 17 | } u; |
| 18 | u.t = target_function; |
| 19 | u.p |= 1; |
| 20 | return u.t(); |
| 21 | } |
| 22 |