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-rw-r--r--test/ubsan/TestCases/TypeCheck/vptr.cpp72
1 files changed, 37 insertions, 35 deletions
diff --git a/test/ubsan/TestCases/TypeCheck/vptr.cpp b/test/ubsan/TestCases/TypeCheck/vptr.cpp
index 1f8ee02641a8..a95edf918c95 100644
--- a/test/ubsan/TestCases/TypeCheck/vptr.cpp
+++ b/test/ubsan/TestCases/TypeCheck/vptr.cpp
@@ -1,37 +1,33 @@
-// RUN: %clangxx -frtti -fsanitize=vptr -g %s -O3 -o %t
+// RUN: %clangxx -frtti -fsanitize=vptr -fno-sanitize-recover=vptr -g %s -O3 -o %t
+// RUN: export UBSAN_OPTIONS=print_stacktrace=1
// RUN: %run %t rT && %run %t mT && %run %t fT && %run %t cT
// RUN: %run %t rU && %run %t mU && %run %t fU && %run %t cU
// RUN: %run %t rS && %run %t rV && %run %t oV
-// RUN: %run %t mS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
-// RUN: %run %t fS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
-// RUN: %run %t cS 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
-// RUN: %run %t mV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --strict-whitespace
-// RUN: %run %t fV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
-// RUN: %run %t cV 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --strict-whitespace
-// RUN: %run %t oU 2>&1 | FileCheck %s --check-prefix=CHECK-OFFSET --strict-whitespace
-// RUN: %run %t m0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL-MEMBER --strict-whitespace
+// RUN: not %run %t mS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --check-prefix=CHECK-%os-MEMBER --strict-whitespace
+// RUN: not %run %t fS 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
+// RUN: not %run %t cS 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --check-prefix=CHECK-%os-DOWNCAST --strict-whitespace
+// RUN: not %run %t mV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMBER --check-prefix=CHECK-%os-MEMBER --strict-whitespace
+// RUN: not %run %t fV 2>&1 | FileCheck %s --check-prefix=CHECK-MEMFUN --strict-whitespace
+// RUN: not %run %t cV 2>&1 | FileCheck %s --check-prefix=CHECK-DOWNCAST --check-prefix=CHECK-%os-DOWNCAST --strict-whitespace
+// RUN: not %run %t oU 2>&1 | FileCheck %s --check-prefix=CHECK-OFFSET --check-prefix=CHECK-%os-OFFSET --strict-whitespace
+// RUN: not %run %t m0 2>&1 | FileCheck %s --check-prefix=CHECK-NULL-MEMBER --check-prefix=CHECK-%os-NULL-MEMBER --strict-whitespace
// RUN: (echo "vptr_check:S"; echo "vptr_check:T"; echo "vptr_check:U") > %t.supp
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t mS 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t fS 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t cS 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t mV 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t fV 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t cV 2>&1
-// RUN: UBSAN_OPTIONS="suppressions='%t.supp':halt_on_error=1" %run %t oU 2>&1
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t mS
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t fS
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t cS
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t mV
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t fV
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t cV
+// RUN: UBSAN_OPTIONS="suppressions='%t.supp'" %run %t oU
// RUN: echo "vptr_check:S" > %t.loc-supp
-// RUN: UBSAN_OPTIONS="suppressions='%t.loc-supp':halt_on_error=1" not %run %t x- 2>&1 | FileCheck %s --check-prefix=CHECK-LOC-SUPPRESS
+// RUN: UBSAN_OPTIONS="suppressions='%t.loc-supp'" not %run %t x- 2>&1 | FileCheck %s --check-prefix=CHECK-LOC-SUPPRESS
-// FIXME: This test produces linker errors on Darwin.
-// XFAIL: darwin
-// REQUIRES: stable-runtime
-
-extern "C" {
-const char *__ubsan_default_options() {
- return "print_stacktrace=1";
-}
-}
+// REQUIRES: stable-runtime, cxxabi
+#include <new>
+#include <assert.h>
+#include <stdio.h>
struct S {
S() : a(0) {}
@@ -57,7 +53,9 @@ T *p = 0;
int access_p(T *p, char type);
-int main(int, char **argv) {
+int main(int argc, char **argv) {
+ assert(argc > 1);
+ fprintf(stderr, "Test case: %s\n", argv[1]);
T t;
(void)t.a;
(void)t.b;
@@ -76,12 +74,15 @@ int main(int, char **argv) {
(void)((T&)u).S::v();
char Buffer[sizeof(U)] = {};
+ char TStorage[sizeof(T)];
switch (argv[1][1]) {
case '0':
p = reinterpret_cast<T*>(Buffer);
break;
case 'S':
- p = reinterpret_cast<T*>(new S);
+ // Make sure p points to the memory chunk of sufficient size to prevent ASan
+ // reports about out-of-bounds access.
+ p = reinterpret_cast<T*>(new(TStorage) S);
break;
case 'T':
p = new T;
@@ -103,7 +104,7 @@ int access_p(T *p, char type) {
case 'r':
// Binding a reference to storage of appropriate size and alignment is OK.
{T &r = *p;}
- break;
+ return 0;
case 'x':
for (int i = 0; i < 2; i++) {
@@ -124,7 +125,7 @@ int access_p(T *p, char type) {
// CHECK-MEMBER-NEXT: {{^ .. .. .. .. .. .. .. .. .. .. .. .. }}
// CHECK-MEMBER-NEXT: {{^ \^~~~~~~~~~~(~~~~~~~~~~~~)? *$}}
// CHECK-MEMBER-NEXT: {{^ vptr for}} [[DYN_TYPE]]
- // CHECK-MEMBER-NEXT: #0 {{.*}} in access_p{{.*}}vptr.cpp:[[@LINE+1]]
+ // CHECK-Linux-MEMBER: #0 {{.*}}access_p{{.*}}vptr.cpp:[[@LINE+1]]
return p->b;
// CHECK-NULL-MEMBER: vptr.cpp:[[@LINE-2]]:15: runtime error: member access within address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
@@ -132,7 +133,7 @@ int access_p(T *p, char type) {
// CHECK-NULL-MEMBER-NEXT: {{^ ?.. .. .. .. ?00 00 00 00 ?00 00 00 00 ?}}
// CHECK-NULL-MEMBER-NEXT: {{^ \^~~~~~~~~~~(~~~~~~~~~~~~)? *$}}
// CHECK-NULL-MEMBER-NEXT: {{^ invalid vptr}}
- // CHECK-NULL-MEMBER-NEXT: #0 {{.*}} in access_p{{.*}}vptr.cpp:[[@LINE-7]]
+ // CHECK-Linux-NULL-MEMBER: #0 {{.*}}access_p{{.*}}vptr.cpp:[[@LINE-7]]
case 'f':
// CHECK-MEMFUN: vptr.cpp:[[@LINE+6]]:12: runtime error: member call on address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
@@ -149,17 +150,18 @@ int access_p(T *p, char type) {
// CHECK-OFFSET-NEXT: {{^ .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. }}
// CHECK-OFFSET-NEXT: {{^ \^ ( ~~~~~~~~~~~~)?~~~~~~~~~~~ *$}}
// CHECK-OFFSET-NEXT: {{^ ( )?vptr for}} 'T' base class of [[DYN_TYPE]]
- // CHECK-OFFSET-NEXT: #0 {{.*}} in access_p{{.*}}vptr.cpp:[[@LINE+1]]
+ // CHECK-Linux-OFFSET: #0 {{.*}}access_p{{.*}}vptr.cpp:[[@LINE+1]]
return reinterpret_cast<U*>(p)->v() - 2;
case 'c':
- // CHECK-DOWNCAST: vptr.cpp:[[@LINE+6]]:5: runtime error: downcast of address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
+ // CHECK-DOWNCAST: vptr.cpp:[[@LINE+6]]:11: runtime error: downcast of address [[PTR:0x[0-9a-f]*]] which does not point to an object of type 'T'
// CHECK-DOWNCAST-NEXT: [[PTR]]: note: object is of type [[DYN_TYPE:'S'|'U']]
// CHECK-DOWNCAST-NEXT: {{^ .. .. .. .. .. .. .. .. .. .. .. .. }}
// CHECK-DOWNCAST-NEXT: {{^ \^~~~~~~~~~~(~~~~~~~~~~~~)? *$}}
// CHECK-DOWNCAST-NEXT: {{^ vptr for}} [[DYN_TYPE]]
- // CHECK-DOWNCAST-NEXT: #0 {{.*}} in access_p{{.*}}vptr.cpp:[[@LINE+1]]
- static_cast<T*>(reinterpret_cast<S*>(p));
+ // CHECK-Linux-DOWNCAST: #0 {{.*}}access_p{{.*}}vptr.cpp:[[@LINE+1]]
+ (void)static_cast<T*>(reinterpret_cast<S*>(p));
return 0;
}
+ return 0;
}