derek.holloway
7502bf64a4
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43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// REQUIRES: sunrpc
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// RUN: %clangxx_msan -g -O0 -DTYPE=int -DFN=xdr_int %s -o %t && \
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// RUN: %run %t 2>&1
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// RUN: %clangxx_msan -g -O0 -DTYPE=int -DFN=xdr_int -DUNINIT=1 %s -o %t && \
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_msan -g -O0 -DTYPE=double -DFN=xdr_double %s -o %t && \
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// RUN: %run %t 2>&1
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// RUN: %clangxx_msan -g -O0 -DTYPE=double -DFN=xdr_double -DUNINIT=1 %s -o %t && \
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// RUN: not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_msan -g -O0 -DTYPE=u_quad_t -DFN=xdr_u_longlong_t %s -o %t && \
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// RUN: %run %t 2>&1
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// RUN: %clangxx_msan -g -O0 -DTYPE=u_quad_t -DFN=xdr_u_longlong_t -DUNINIT=1 %s -o %t && \
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <assert.h>
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#include <rpc/xdr.h>
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#include <sanitizer/msan_interface.h>
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int main(int argc, char *argv[]) {
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XDR xdrs;
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char buf[100];
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xdrmem_create(&xdrs, buf, sizeof(buf), XDR_ENCODE);
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TYPE x;
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#ifndef UNINIT
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x = 42;
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#endif
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bool_t res = FN(&xdrs, &x);
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// CHECK: MemorySanitizer: use-of-uninitialized-value
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// CHECK: {{in main.*sunrpc.cpp:}}[[@LINE-2]]
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assert(res == TRUE);
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xdr_destroy(&xdrs);
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xdrmem_create(&xdrs, buf, sizeof(buf), XDR_DECODE);
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TYPE y;
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res = FN(&xdrs, &y);
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assert(res == TRUE);
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assert(__msan_test_shadow(&y, sizeof(y)) == -1);
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xdr_destroy(&xdrs);
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return 0;
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}
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