Index: texk/web2c/pdftexdir/writet1.c
===================================================================
--- texk/web2c/pdftexdir/writet1.c
+++ texk/web2c/pdftexdir/writet1.c	2018-10-09 22:55:08.523189628 +0200
@@ -1598,7 +1598,9 @@
         *(strend(t1_buf_array) - 1) = ' ';
 
         t1_getline();
+	alloc_array(t1_buf, strlen(t1_line_array) + strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcat(t1_buf_array, t1_line_array);
+	alloc_array(t1_line, strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcpy(t1_line_array, t1_buf_array);
         t1_line_ptr = eol(t1_line_array);
     }
Index: texk/web2c/luatexdir/font/writet1.w
===================================================================
--- texk/web2c/luatexdir/font/writet1.w
+++ texk/web2c/luatexdir/font/writet1.w	2018-10-09 22:54:45.005191007 +0200
@@ -1625,7 +1625,9 @@
     if (sscanf(p, "%i", &i) != 1) {
         strcpy(t1_buf_array, t1_line_array);
         t1_getline();
+        alloc_array(t1_buf, strlen(t1_line_array) + strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcat(t1_buf_array, t1_line_array);
+        alloc_array(t1_line, strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcpy(t1_line_array, t1_buf_array);
         t1_line_ptr = eol(t1_line_array);
     }
Index: texk/dvipsk/writet1.c
===================================================================
--- texk/dvipsk/writet1.c
+++ texk/dvipsk/writet1.c	2018-10-09 22:54:06.716193251 +0200
@@ -1449,7 +1449,9 @@
         *(strend(t1_buf_array) - 1) = ' ';
 
         t1_getline();
+	alloc_array(t1_buf, strlen(t1_line_array) + strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcat(t1_buf_array, t1_line_array);
+	alloc_array(t1_line, strlen(t1_buf_array) + 1, T1_BUF_SIZE);
         strcpy(t1_line_array, t1_buf_array);
         t1_line_ptr = eol(t1_line_array);
     }