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