Re: How to take down a system to the point of requiring a newfs

看板FB_security作者時間18年前 (2008/02/18 21:56), 編輯推噓0(000)
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Dag-Erling Sm=C3=B8rgrav <des@des.no> writes: > Purely in the interest of showing off, here is my version. It is 81 > bytes shorter than yours, it is valid C99 with POSIX extensions (yours > is not), and it produces 11,450 files in about 0.2% of the time yours > takes to produce 10,000. > > #include <unistd.h> > #define b(i,v) for(int v=3D48;v<127;++v){f[i]=3Dv; > #define a(i) b(i,v##i) > int main(void){char f[5]=3D{'/'};a(1)a(2)a(3)truncate(f,0);}}}} Two bugs: 1) I forgot to include the correct version of the code 2) the version I had created a few files with '/' in their names; this slightly nastier creates 10,648 files with only letters. #include <unistd.h> #define b(i,v)for(int v=3D65;v<87;){i[f]=3Dv++; #define a(i)b(i,v##i) int main(void){char f[4]=3D{47};a(1)a(2)a(3)truncate(f,0);}}}} DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no _______________________________________________ freebsd-security@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org"
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文章代碼(AID): #17kOw900 (FB_security)