| 1 | // Test that mixing instrumented and non-instrumented code doesn't lead to crash. |
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| 2 | // Build two modules (one is instrumented, another is not) that have globals |
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| 3 | // with same names. Check, that ASan doesn't crash with CHECK failure or |
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| 4 | // false positive global-buffer-overflow due to sanitized library poisons |
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| 5 | // globals from non-sanitized one. |
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| 6 | // |
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| 7 | // RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %dynamiclib1 |
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| 8 | // RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %dynamiclib2 |
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| 9 | // RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o |
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| 10 | // RUN: %clangxx_asan %t.o %ld_flags_rpath_exe2 %ld_flags_rpath_exe1 -o %t-EXE |
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| 11 | // RUN: %run %t-EXE |
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| 12 | |
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| 13 | #if defined (BUILD_INSTRUMENTED_DSO) |
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| 14 | long h = 15; |
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| 15 | long f = 4; |
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| 16 | long foo(long *p) { |
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| 17 | return *p; |
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| 18 | } |
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| 19 | #elif defined (BUILD_UNINSTRUMENTED_DSO) |
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| 20 | long foo(long *); |
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| 21 | long h = 12; |
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| 22 | long i = 13; |
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| 23 | long f = 5; |
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| 24 | |
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| 25 | int bar() { |
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| 26 | if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13) |
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| 27 | return 1; |
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| 28 | return 0; |
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| 29 | } |
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| 30 | #else |
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| 31 | extern int bar(); |
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| 32 | |
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| 33 | int main() { |
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| 34 | return bar(); |
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| 35 | } |
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| 36 | #endif |
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| 37 | |
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