1// Test with "-O2" only to make sure inlining (leading to use-after-scope) 2// happens. "always_inline" is not enough, as Clang doesn't emit 3// llvm.lifetime intrinsics at -O0. 4// 5// RUN: %clangxx_asan -m64 -O2 -fsanitize=use-after-scope %s -o %t && \ 6// RUN: %t 2>&1 | %symbolize | FileCheck %s 7// RUN: %clangxx_asan -m32 -O2 -fsanitize=use-after-scope %s -o %t && \ 8// RUN: %t 2>&1 | %symbolize | FileCheck %s 9 10int *arr; 11 12__attribute__((always_inline)) 13void inlined(int arg) { 14 int x[5]; 15 for (int i = 0; i < arg; i++) x[i] = i; 16 arr = x; 17} 18 19int main(int argc, char *argv[]) { 20 inlined(argc); 21 return arr[argc - 1]; // BOOM 22 // CHECK: ERROR: AddressSanitizer: stack-use-after-scope 23 // CHECK: READ of size 4 at 0x{{.*}} thread T0 24 // CHECK: #0 0x{{.*}} in {{_?}}main 25 // CHECK: {{.*}}use-after-scope-inlined.cc:[[@LINE-4]] 26 // CHECK: Address 0x{{.*}} is located at offset 27 // CHECK: [[OFFSET:[^ ]*]] in frame <main> of T0{{.*}}: 28 // CHECK: {{\[}}[[OFFSET]], {{.*}}) 'x.i' 29} 30