Vendor import of compiler-rt trunk r256633:vendor/compiler-rt/compiler-rt-trunk-r256633

https://llvm.org/svn/llvm-project/compiler-rt/trunk@256633

1 files changed, 36 insertions, 0 deletions

diff --git a/test/asan/TestCases/Posix/wait3.cc b/test/asan/TestCases/Posix/wait3.cc
new file mode 100644
index 000000000000..2da816fed1aa
--- /dev/null
+++ b/test/asan/TestCases/Posix/wait3.cc
@@ -0,0 +1,36 @@
+// RUN: %clangxx_asan -DWAIT3 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -DWAIT3 -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+
+// RUN: %clangxx_asan -DWAIT3_RUSAGE -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_asan -DWAIT3_RUSAGE -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
+
+// UNSUPPORTED: android
+
+#include <assert.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+int main(int argc, char **argv) {
+  pid_t pid = fork();
+  if (pid) { // parent
+    int x[3];
+    int *status = x + argc * 3;
+    int res;
+#if defined(WAIT3)
+    res = wait3(status, WNOHANG, NULL);
+#elif defined(WAIT3_RUSAGE)
+    struct rusage *ru = (struct rusage*)(x + argc * 3);
+    int good_status;
+    res = wait3(&good_status, WNOHANG, ru);
+#endif
+    // CHECK: stack-buffer-overflow
+    // CHECK: {{WRITE of size .* at 0x.* thread T0}}
+    // CHECK: {{in .*wait}}
+    // CHECK: {{in main .*wait3.cc:}}
+    // CHECK: is located in stack of thread T0 at offset
+    // CHECK: {{in main}}
+    return res == -1 ? 1 : 0;
+  }
+  // child
+  return 0;
+}