1 // RUN: %clangxx_msan -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1 2 // RUN: FileCheck %s < %t.out 3 // RUN: %clangxx_msan -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1 4 // RUN: FileCheck %s < %t.out 5 6 #include <sys/types.h> 7 #include <sys/socket.h> 8 #include <netdb.h> 9 #include <stdlib.h> 10 11 volatile int z; 12 13 int main(void) { 14 struct addrinfo *ai; 15 struct addrinfo hint; 16 int res = getaddrinfo("localhost", NULL, NULL, &ai); 17 if (ai) z = 1; // OK 18 res = getaddrinfo("localhost", NULL, &hint, &ai); 19 // CHECK: Uninitialized bytes in __interceptor_getaddrinfo at offset 0 inside [0x{{.*}}, 48) 20 // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value 21 // CHECK: #0 {{.*}} in main {{.*}}getaddrinfo-positive.cc:[[@LINE-3]] 22 return 0; 23 } 24
