1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 3 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 4 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK 5 // REQUIRES: stable-runtime 6 7 #include <stdlib.h> 8 int main() { 9 char * volatile x = new char[10]; 10 delete[] x; 11 return x[5]; 12 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} 13 // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} 14 // CHECK: {{READ of size 1 at 0x.* thread T0}} 15 // CHECK: {{ #0 0x.* in main .*use-after-delete.cpp:}}[[@LINE-4]] 16 // CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}} 17 18 // CHECK: {{freed by thread T0 here:}} 19 // CHECK-Linux: {{ #0 0x.* in operator delete\[\]}} 20 // CHECK-SunOS: {{ #0 0x.* in operator delete\[\]}} 21 // CHECK-Windows:{{ #0 0x.* in operator delete\[\]}} 22 // CHECK-FreeBSD:{{ #0 0x.* in operator delete\[\]}} 23 // CHECK-Darwin: {{ #0 0x.* in .*_Zda}} 24 // CHECK-NEXT: {{ #1 0x.* in main .*use-after-delete.cpp:}}[[@LINE-14]] 25 26 // CHECK: {{previously allocated by thread T0 here:}} 27 // CHECK-Linux: {{ #0 0x.* in operator new\[\]}} 28 // CHECK-SunOS: {{ #0 0x.* in operator new\[\]}} 29 // CHECK-Windows:{{ #0 0x.* in operator new\[\]}} 30 // CHECK-FreeBSD:{{ #0 0x.* in operator new\[\]}} 31 // CHECK-Darwin: {{ #0 0x.* in .*_Zna}} 32 // CHECK-NEXT: {{ #1 0x.* in main .*use-after-delete.cpp:}}[[@LINE-23]] 33 34 35 // CHECK: Shadow byte legend (one shadow byte represents {{[0-9]+}} application bytes): 36 // CHECK: Global redzone: 37 // CHECK: ASan internal: 38 } 39