eb46c95c3e
Changes the default Windows target triple returned by GetHostTriple.cmake from the old environment names (which we wanted to move away from) to newer, normalized ones. This also requires updating all tests to use the new systems names in constraints. Differential Revision: https://reviews.llvm.org/D47381 llvm-svn: 339307
29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// RUN: %clangxx_msan %s -o %t && not %run %t 2>&1 | FileCheck --check-prefix=ON %s
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// RUN: %clangxx_msan %s -o %t && MSAN_OPTIONS=intercept_strndup=0 %run %t 2>&1 | FileCheck --check-prefix=OFF --allow-empty %s
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// When built as C on Linux, strndup is transformed to __strndup.
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// RUN: %clangxx_msan -O3 -xc %s -o %t && not %run %t 2>&1 | FileCheck --check-prefix=ON %s
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// UNSUPPORTED: windows-msvc
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sanitizer/msan_interface.h>
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int main(int argc, char **argv) {
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char kString[4] = "abc";
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__msan_poison(kString + 2, 1);
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char *copy = strndup(kString, 4); // BOOM
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assert(__msan_test_shadow(copy, 4) == 2); // Poisoning is preserved.
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free(copy);
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return 0;
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// ON: Uninitialized bytes in __interceptor_{{(__)?}}strndup at offset 2 inside [{{.*}}, 4)
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// ON: MemorySanitizer: use-of-uninitialized-value
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// ON: #0 {{.*}}main {{.*}}strndup.cc:[[@LINE-6]]
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// ON-LABEL: SUMMARY
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// ON: {{.*}}strndup.cc:[[@LINE-8]]
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// OFF-NOT: MemorySanitizer
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}
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