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62 lines
2.3 KiB
62 lines
2.3 KiB
// RUN: %clangxx -fsanitize=nonnull-attribute -fno-sanitize-recover=all %s -O3 -o %t
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// RUN: %run %t nc
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// RUN: %run %t nm
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// RUN: %run %t nf
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// RUN: %run %t nv
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// RUN: not %run %t 0c 2>&1 | FileCheck %s --check-prefix=CTOR
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// RUN: not %run %t 0m 2>&1 | FileCheck %s --check-prefix=METHOD
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// RUN: not %run %t 0f 2>&1 | FileCheck %s --check-prefix=FUNC
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// RUN: not %run %t 0v 2>&1 | FileCheck %s --check-prefix=VARIADIC
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//
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// AArch64 lacks variadic instrumentation for MSAN.
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// REQUIRES: stable-runtime
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class C {
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int *null_;
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int *nonnull_;
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public:
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C(int *null, __attribute__((nonnull)) int *nonnull)
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: null_(null), nonnull_(nonnull) {}
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int value() { return *nonnull_; }
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int method(int *nonnull, int *null) __attribute__((nonnull(2))) {
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return *nonnull_ + *nonnull;
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}
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};
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__attribute__((nonnull)) int func(int *nonnull) { return *nonnull; }
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#include <stdarg.h>
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__attribute__((nonnull)) int variadic(int x, ...) {
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va_list args;
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va_start(args, x);
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int *nonnull = va_arg(args, int*);
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int res = *nonnull;
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va_end(args);
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return res;
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}
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int main(int argc, char *argv[]) {
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int local = 0;
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int *arg = (argv[1][0] == '0') ? 0x0 : &local;
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switch (argv[1][1]) {
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case 'c':
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return C(0x0, arg).value();
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// CTOR: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:21: runtime error: null pointer passed as argument 2, which is declared to never be null
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// CTOR-NEXT: {{.*}}nonnull-arg.cpp:19:31: note: nonnull attribute specified here
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case 'm':
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return C(0x0, &local).method(arg, 0x0);
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// METHOD: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:36: runtime error: null pointer passed as argument 1, which is declared to never be null
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// METHOD-NEXT: {{.*}}nonnull-arg.cpp:22:54: note: nonnull attribute specified here
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case 'f':
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return func(arg);
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// FUNC: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:19: runtime error: null pointer passed as argument 1, which is declared to never be null
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// FUNC-NEXT: {{.*}}nonnull-arg.cpp:27:16: note: nonnull attribute specified here
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case 'v':
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return variadic(42, arg);
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// VARIADIC: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:27: runtime error: null pointer passed as argument 2, which is declared to never be null
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// VARIADIC-NEXT: {{.*}}nonnull-arg.cpp:30:16: note: nonnull attribute specified here
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}
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return 0;
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}
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