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> 20 int 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
