1// RUN: %clangxx_asan -O2 %s -o %t 2// RUN: not %run %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s 3// RUN: not %run %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s 4// RUN: %run %t 0 5// RUN: %run %t 8 6// RUN: not %run %t 9 2>&1 | FileCheck --check-prefix=CHECK-9 %s 7// RUN: not %run %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s 8// RUN: not %run %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s 9// RUN: not %run %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s 10// RUN: not %run %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s 11// RUN: not %run %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s 12// RUN: not %run %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s 13// RUN: not %run %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s 14// RUN: not %run %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s 15// RUN: not %run %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s 16#include <string.h> 17#include <stdio.h> 18#include <stdlib.h> 19#include <assert.h> 20int main(int argc, char **argv) { 21 assert(argc >= 2); 22 int idx = atoi(argv[1]); 23 char AAA[10], BBB[10], CCC[10]; 24 memset(AAA, 0, sizeof(AAA)); 25 memset(BBB, 0, sizeof(BBB)); 26 memset(CCC, 0, sizeof(CCC)); 27 int res = 0; 28 char *p = AAA + idx; 29 printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p); 30 // make sure BBB and CCC are not removed; 31 return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2]; 32} 33// CHECK-m2: 'AAA' <== {{.*}}underflows this variable 34// CHECK-m1: 'AAA' <== {{.*}}partially underflows this variable 35// CHECK-9: 'AAA' <== {{.*}}partially overflows this variable 36// CHECK-10: 'AAA' <== {{.*}}overflows this variable 37// CHECK-30: 'BBB' <== {{.*}}underflows this variable 38// CHECK-31: 'BBB' <== {{.*}}partially underflows this variable 39// CHECK-41: 'BBB' <== {{.*}}partially overflows this variable 40// CHECK-42: 'BBB' <== {{.*}}overflows this variable 41// CHECK-62: 'CCC' <== {{.*}}underflows this variable 42// CHECK-63: 'CCC' <== {{.*}}partially underflows this variable 43// CHECK-73: 'CCC' <== {{.*}}partially overflows this variable 44// CHECK-74: 'CCC' <== {{.*}}overflows this variable 45