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// RUN: %clang_hwasan_oldrt -DSIZE=2 -O0 %s -o %t && %run %t
// RUN: %clang_hwasan -DSIZE=2 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clang_hwasan_oldrt -DSIZE=15 -O0 %s -o %t && %run %t
// RUN: %clang_hwasan -DSIZE=15 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clang_hwasan_oldrt -DSIZE=16 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clang_hwasan -DSIZE=16 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clang_hwasan -DSIZE=64 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clang_hwasan -DSIZE=0x1000 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// REQUIRES: stable-runtime
// Stack short granules are currently not implemented on x86.
// RISC-V target doesn't support oldrt
// XFAIL: target={{(x86_64|riscv64).*}}
#include <stdlib.h>
#include <sanitizer/hwasan_interface.h>
__attribute__((noinline))
int f() {
char z[SIZE];
char *volatile p = z;
return p[SIZE];
}
int main() {
f();
// CHECK: READ of size 1 at
// CHECK: #0 {{.*}} in f{{.*}}stack-oob.c:[[@LINE-6]]
// CHECK-NOT: Cause: global-overflow
// CHECK: Cause: stack tag-mismatch
// CHECK: is located in stack of threa
// CHECK-NOT: Cause: global-overflow
// CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in f
}
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