Re: Fork Bomb and why it doesn't happen on BSDs

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Aleksandar Milivojevic wrote:


For those interested, these are ulimits on stock OpenBSD (user and root, soft and hard).


$ ulimit -Sa
core file size        (blocks, -c) unlimited
data seg size         (kbytes, -d) 76800
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) 28430
max memory size       (kbytes, -m) 84964
open files                    (-n) 64
pipe size          (512 bytes, -p) 1
stack size            (kbytes, -s) 4096
cpu time             (seconds, -t) unlimited
max user processes            (-u) 64
virtual memory        (kbytes, -v) 80896

$ ulimit -Ha
core file size        (blocks, -c) unlimited
data seg size         (kbytes, -d) 131072
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) 85292
max memory size       (kbytes, -m) 85292
open files                    (-n) 1024
pipe size          (512 bytes, -p) 1
stack size            (kbytes, -s) 131072
cpu time             (seconds, -t) unlimited
max user processes            (-u) 128
virtual memory        (kbytes, -v) 262144

# ulimit -Sa
core file size        (blocks, -c) unlimited
data seg size         (kbytes, -d) 131072
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) 28430
max memory size       (kbytes, -m) 84964
open files                    (-n) 128
pipe size          (512 bytes, -p) 1
stack size            (kbytes, -s) 8192
cpu time             (seconds, -t) unlimited
max user processes            (-u) 340
virtual memory        (kbytes, -v) 139264

# ulimit -Ha
core file size        (blocks, -c) unlimited
data seg size         (kbytes, -d) 131072
file size             (blocks, -f) unlimited
max locked memory     (kbytes, -l) 85292
max memory size       (kbytes, -m) 85292
open files                    (-n) 1024
pipe size          (512 bytes, -p) 1
stack size            (kbytes, -s) 131072
cpu time             (seconds, -t) unlimited
max user processes            (-u) 340
virtual memory        (kbytes, -v) 262144

Thank you, Aleksander.  The info is quite helpful.


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