derek.holloway
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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
// RUN: %clangxx_asan -O0 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
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// RUN: %clangxx_asan -O0 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
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// RUN: %clangxx_asan -O1 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
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// RUN: %clangxx_asan -O2 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 -DSHARED_LIB %s -fPIC -shared -o %t-so.so
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// RUN: %clangxx_asan -O3 %s %libdl -o %t && not %run %t 2>&1 | FileCheck %s
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#if !defined(SHARED_LIB)
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#include <dlfcn.h>
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#include <stdio.h>
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#include <string.h>
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#include <string>
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using std::string;
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typedef void (fun_t)(int x);
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int main(int argc, char *argv[]) {
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string path = string(argv[0]) + "-so.so";
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printf("opening %s ... \n", path.c_str());
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void *lib = dlopen(path.c_str(), RTLD_NOW);
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if (!lib) {
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printf("error in dlopen(): %s\n", dlerror());
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return 1;
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}
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fun_t *inc = (fun_t*)dlsym(lib, "inc");
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if (!inc) return 1;
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printf("ok\n");
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inc(1);
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inc(-1); // BOOM
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// CHECK: {{.*ERROR: AddressSanitizer: global-buffer-overflow}}
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// CHECK: {{READ of size 4 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.*}}
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// CHECK: {{ #1 0x.* in main .*shared-lib-test.cpp:}}[[@LINE-4]]
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return 0;
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}
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#else // SHARED_LIB
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#include <stdio.h>
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#include <string.h>
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int pad[10];
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int GLOB[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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extern "C"
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void inc(int index) {
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GLOB[index]++;
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}
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extern "C"
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void inc2(int *a, int index) {
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a[index]++;
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}
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#endif // SHARED_LIB
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