seg.rkt

#lang racket
(require racket/unsafe/ops)
(define v (vector 0))
(unsafe-vector-ref v 50)

transcript

[samth@huor:~/sw/plt (master) plt] ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 256515
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 256515
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

[samth@huor:~/sw/plt (master) plt] r /tmp/seg.rkt 
SIGSEGV MAPERR si_code 1 fault on addr (nil)
Aborted (core dumped)

[samth@huor:~/sw/plt (master) plt] ls core
ls: cannot access core: No such file or directory

[samth@huor:~/sw/plt (master) plt] ulimit -c unlimited

[samth@huor:~/sw/plt (master) plt] ulimit -a
core file size          (blocks, -c) unlimited
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 256515
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 256515
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

[samth@huor:~/sw/plt (master) plt] r /tmp/seg.rkt 
SIGSEGV MAPERR si_code 1 fault on addr (nil)
Aborted (core dumped)

[samth@huor:~/sw/plt (master) plt] ls core
-rw------- 1 samth samth 83546112 May  7 17:26 core