1 // RUN: %clangxx_tsan -O1 %s -o %t 2 // RUN: TSAN_OPTIONS=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s 3 #include <stdio.h> 4 #include <stdlib.h> 5 6 int main() { 7 void *p = malloc((size_t)-1); 8 if (p != 0) 9 printf("FAIL malloc(-1) = %p\n", p); 10 p = malloc((size_t)-1 / 2); 11 if (p != 0) 12 printf("FAIL malloc(-1/2) = %p\n", p); 13 p = calloc((size_t)-1, (size_t)-1); 14 if (p != 0) 15 printf("FAIL calloc(-1, -1) = %p\n", p); 16 p = calloc((size_t)-1 / 2, (size_t)-1 / 2); 17 if (p != 0) 18 printf("FAIL calloc(-1/2, -1/2) = %p\n", p); 19 printf("OK\n"); 20 } 21 22 // CHECK-NOT: FAIL 23 // CHECK-NOT: failed to allocate 24
