xref: /llvm-project/compiler-rt/test/hwasan/TestCases/use-after-scope-inlined.cpp (revision 6cc9244baa63fcb7c6f35f46dab9fa17a421a6ce)
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 
12 int *arr;
inlined(int arg)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 
main(int argc,char * argv[])20 int main(int argc, char *argv[]) {
21   inlined(argc);
22   return arr[argc - 1]; // BOOM
23   // CHECK: ERROR: HWAddressSanitizer: tag-mismatch
24   // CHECK: Cause: stack tag-mismatch
25 }
26