diff --git a/glibc-rh1778344.patch b/glibc-rh1778344.patch
new file mode 100644
index 0000000..21a3475
--- /dev/null
+++ b/glibc-rh1778344.patch
@@ -0,0 +1,24 @@
+Emergency patch for #1778344: A reference to a unique symbol in
+libstdc++ causes it to be marked as NODELETE (as expected), but the
+assert is not prepared for that situation.
+
+diff --git a/elf/dl-open.c b/elf/dl-open.c
+index df9f29a5e5683bf2..763e90187afaf09a 100644
+--- a/elf/dl-open.c
++++ b/elf/dl-open.c
+@@ -452,12 +452,9 @@ activate_nodelete (struct link_map *new, int mode)
+ 	    _dl_debug_printf ("activating NODELETE for %s [%lu]\n",
+ 			      imap->l_name, imap->l_ns);
+ 
+-	  /* Only new objects should have set
+-	     link_map_nodelete_pending.  Existing objects should not
+-	     have gained any new dependencies and therefore cannot
+-	     reach NODELETE status.  */
+-	  assert (!imap->l_init_called || imap->l_type != lt_loaded);
+-
++	  /* Note that this can also activate NODELETE for objects
++	     which had already been loaded at the time of the dlopen
++	     call.  */
+ 	  imap->l_nodelete = link_map_nodelete_active;
+ 	}
+      }
diff --git a/glibc.spec b/glibc.spec
index 90cb78f..6221038 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -87,7 +87,7 @@
 Summary: The GNU libc libraries
 Name: glibc
 Version: %{glibcversion}
-Release: 21%{?dist}
+Release: 22%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
 # libraries.
@@ -158,6 +158,7 @@ Patch17: glibc-cs-path.patch
 Patch18: glibc-c-utf8-locale.patch
 Patch23: glibc-python3.patch
 Patch29: glibc-fedora-nsswitch.patch
+Patch30: glibc-rh1778344.patch
 
 ##############################################################################
 # Continued list of core "glibc" package information:
@@ -2041,6 +2042,9 @@ fi
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Mon Dec  2 2019 Florian Weimer <fweimer@redhat.com> - 2.30.9000-22
+- dlopen: Remove incorrect assert in activate_nodelete (#1778344)
+
 * Thu Nov 28 2019 Florian Weimer <fweimer@redhat.com> - 2.30.9000-21
 - Auto-sync with upstream branch master,
   commit e37c2cf299b61ce18f62852f6c5624c27829b610: