1// This is the ASAN test of the same name ported to HWAsan.
2
3// Test with "-O2" only to make sure inlining (leading to use-after-scope)
4// happens. "always_inline" is not enough, as Clang doesn't emit
5// llvm.lifetime intrinsics at -O0.
6//
7// RUN: %clangxx_hwasan -O2 %s -o %t && \
8// RUN: not %run %t 2>&1 | FileCheck %s
9
10// REQUIRES: aarch64-target-arch || riscv64-target-arch
11
12int *arr;
13__attribute__((always_inline)) void inlined(int arg) {
14 int x[5];
15 for (int i = 0; i < arg; i++)
16 x[i] = i;
17 arr = x;
18}
19
20int main(int argc, char *argv[]) {
21 inlined(arg: argc);
22 return arr[argc - 1]; // BOOM
23 // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
24 // CHECK: Cause: stack tag-mismatch
25}
26

source code of compiler-rt/test/hwasan/TestCases/use-after-scope-inlined.cpp