// RUN: %clangxx_asan -O2 %s -o %t // RUN: not %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s // RUN: not %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s // RUN: %t 0 // RUN: %t 8 // RUN: not %t 9 2>&1 | FileCheck --check-prefix=CHECK-9 %s // RUN: not %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s // RUN: not %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s // RUN: not %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s // RUN: not %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s // RUN: not %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s // RUN: not %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s // RUN: not %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s // RUN: not %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s // RUN: not %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s #include #include #include #include int main(int argc, char **argv) { assert(argc >= 2); int idx = atoi(argv[1]); char AAA[10], BBB[10], CCC[10]; memset(AAA, 0, sizeof(AAA)); memset(BBB, 0, sizeof(BBB)); memset(CCC, 0, sizeof(CCC)); int res = 0; char *p = AAA + idx; printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p); // make sure BBB and CCC are not removed; return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2]; } // CHECK-m2: 'AAA' <== {{.*}}underflows this variable // CHECK-m1: 'AAA' <== {{.*}}partially underflows this variable // CHECK-9: 'AAA' <== {{.*}}partially overflows this variable // CHECK-10: 'AAA' <== {{.*}}overflows this variable // CHECK-30: 'BBB' <== {{.*}}underflows this variable // CHECK-31: 'BBB' <== {{.*}}partially underflows this variable // CHECK-41: 'BBB' <== {{.*}}partially overflows this variable // CHECK-42: 'BBB' <== {{.*}}overflows this variable // CHECK-62: 'CCC' <== {{.*}}underflows this variable // CHECK-63: 'CCC' <== {{.*}}partially underflows this variable // CHECK-73: 'CCC' <== {{.*}}partially overflows this variable // CHECK-74: 'CCC' <== {{.*}}overflows this variable