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-rw-r--r--winsup/cygwin/dtable.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/winsup/cygwin/dtable.cc b/winsup/cygwin/dtable.cc
index 15f4c0ce7..498e7fd8d 100644
--- a/winsup/cygwin/dtable.cc
+++ b/winsup/cygwin/dtable.cc
@@ -256,6 +256,8 @@ cygwin_attach_handle_to_fd (char *name, int fd, HANDLE handle, mode_t bin,
if (fd == -1)
fd = cygheap->fdtab.find_unused_handle ();
fhandler_base *fh = build_fh_name (name);
+ if (!fh)
+ return -1;
cygheap->fdtab[fd] = fh;
cygheap->fdtab[fd]->refcnt (1);
fh->init (handle, myaccess, bin ?: fh->pc_binmode ());
@@ -337,6 +339,9 @@ dtable::init_std_file_from_handle (int fd, HANDLE handle)
else
fh = build_fh_name (name);
+ if (!fh)
+ return;
+
if (name[0])
{
bin = fh->pc_binmode ();