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92a42be0 SL |
1 | // RUN: %clang_cl_asan -O0 %p/dll_host.cc -Fe%t |
2 | // RUN: %clang_cl_asan -LD -O0 %s -Fe%t.dll | |
3 | // RUN: not %run %t %t.dll 2>&1 | FileCheck %s | |
4 | ||
5 | #include <process.h> | |
6 | ||
7 | void noreturn_f() { | |
8 | int subscript = -1; | |
9 | char buffer[42]; | |
10 | buffer[subscript] = 42; | |
11 | _exit(1); | |
12 | // CHECK: AddressSanitizer: stack-buffer-underflow on address [[ADDR:0x[0-9a-f]+]] | |
13 | // CHECK: WRITE of size 1 at [[ADDR]] thread T0 | |
14 | // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cc:[[@LINE-4]] | |
15 | // CHECK-NEXT: test_function{{.*}}dll_noreturn.cc | |
16 | // CHECK-NEXT: main{{.*}}dll_host.cc | |
17 | // | |
18 | // CHECK: Address [[ADDR]] is located in stack of thread T0 at offset [[OFFSET:.*]] in frame | |
19 | // CHECK-NEXT: noreturn_f{{.*}}dll_noreturn.cc | |
20 | // CHECK: 'buffer' <== Memory access at offset [[OFFSET]] underflows this variable | |
21 | // CHECK-LABEL: SUMMARY | |
22 | } | |
23 | ||
24 | extern "C" __declspec(dllexport) | |
25 | int test_function() { | |
26 | noreturn_f(); | |
27 | return 0; | |
28 | } |