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-rw-r--r--winsup/cygwin/times.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc
index ee5fe5f50..e5635ddff 100644
--- a/winsup/cygwin/times.cc
+++ b/winsup/cygwin/times.cc
@@ -52,6 +52,9 @@ times (struct tms * buf)
{
FILETIME creation_time, exit_time, kernel_time, user_time;
+ if (check_null_invalid_struct_errno (buf))
+ return ((clock_t) -1);
+
DWORD ticks = GetTickCount ();
/* Ticks is in milliseconds, convert to our ticks. Use long long to prevent
overflow. */