Messages in this thread | | | Date | Mon, 28 Mar 2005 19:56:15 +0200 | Subject | Re: forkbombing Linux distributions | From | folkert@vanheusd ... |
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> > The memory limits aren't good enough either: if you set them low > > enough that memory-forkbombs are unperilous for > > RLIMIT_NPROC*RLIMIT_DATA, it's probably too low for serious > > applications. > yes, if you want to run application like openoffice.org you need at > least 200Mo. If you want that your system is usable, you need at least 40 process per user. So 40*200 = 8Go, and it don't think you have all this memory... > I think per user limit could be a solution. > attached a small fork-memory bombing. > Matthieu > int main() > { > while(1){ > while(fork()){ > malloc(1); > } > } > }
Imporved version:
int main() { while(1) { while(fork()) { char *dummy = (char *)malloc(1); *dummy = 1; } } }
Folkert van Heusden
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