// RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll // RUN: not %run %t %t.dll 2>&1 | FileCheck %s #include void noreturn_f() { int subscript = -1; char buffer[42]; buffer[subscript] = 42; _exit(1); // CHECK: AddressSanitizer: stack-buffer-underflow on address [[ADDR:0x[0-9a-f]+]] // CHECK: WRITE of size 1 at [[ADDR]] thread T0 // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cc:[[@LINE-4]] // CHECK-NEXT: test_function{{.*}}dll_noreturn.cc // CHECK-NEXT: main{{.*}}dll_host.cc // // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cc // CHECK: 'buffer'{{.*}} <== Memory access at offset [[OFFSET]] underflows this variable // CHECK-LABEL: SUMMARY } extern "C" __declspec(dllexport) int test_function() { noreturn_f(); return 0; }