| 1 | // Check that memset() call from a shared library gets intercepted. |
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| 2 | |
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| 3 | // RUN: %clangxx_asan -O0 %s -DSHARED_LIB \ |
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| 4 | // RUN: -shared -o %dynamiclib -fPIC %ld_flags_rpath_so |
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| 5 | // RUN: %clangxx_asan -O0 %s -o %t %ld_flags_rpath_exe && \ |
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| 6 | // RUN: not %run %t 2>&1 | FileCheck %s |
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| 7 | |
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| 8 | #include <stdio.h> |
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| 9 | #include <string.h> |
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| 10 | |
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| 11 | #if defined(SHARED_LIB) |
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| 12 | extern "C" |
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| 13 | void my_memset(void *p, size_t sz) { |
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| 14 | memset(p, 0, sz); |
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| 15 | } |
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| 16 | #else |
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| 17 | extern "C" void my_memset(void *p, size_t sz); |
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| 18 | |
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| 19 | int main(int argc, char *argv[]) { |
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| 20 | char buf[10]; |
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| 21 | my_memset(p: buf, sz: 11); |
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| 22 | // CHECK: {{.*ERROR: AddressSanitizer: stack-buffer-overflow}} |
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| 23 | // CHECK: {{WRITE of size 11 at 0x.* thread T0}} |
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| 24 | // CHECK: {{0x.* in my_memset .*interception-in-shared-lib-test.cpp:}}[[@LINE-10]] |
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| 25 | return 0; |
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| 26 | } |
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| 27 | #endif |
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| 28 | |
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