[Emacs-diffs] emacs-26 c87d04e: Avoid aborts in 'md5'

[Eli Zaretskii]

branch: emacs-26
commit c87d04e05ebeaf9e72eaa81cbd98fb4910772667
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Avoid aborts in 'md5'
    
    * src/fns.c (extract_data_from_object): Don't crash if called with
    an invalid object.  (Bug#30627)
---
 src/fns.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/fns.c b/src/fns.c
index aba34fd..de1dad3 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -4952,6 +4952,9 @@ extract_data_from_object (Lisp_Object spec,
 #endif
     }
 
+  if (!STRINGP (object))
+    signal_error ("Invalid object argument",
+                 NILP (object) ? build_string ("nil") : object);
   return SSDATA (object);
 }