From: Michael Albinus <michael.albinus@gmx.de>
Date: Fri, 30 Nov 2018 11:04:57 +0000 (+0100)
Subject: Fix Bug#33556
X-Git-Tag: emacs-27.0.90~4074
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c53e7f2c23bf02069469e764bf8563244ef6751a;p=emacs.git

Fix Bug#33556

* lisp/autorevert.el (auto-revert-notify-add-watch):
Assert that a key in `auto-revert-notify-watch-descriptor-hash-list'
is a valid file notification descriptor.  (Bug#33556)
---

diff --git a/lisp/autorevert.el b/lisp/autorevert.el
index 2cf5b427ea3..d4cb823084f 100644
--- a/lisp/autorevert.el
+++ b/lisp/autorevert.el
@@ -527,6 +527,7 @@ will use an up-to-date value of `auto-revert-interval'"
       (maphash
        (lambda (key _value)
          (when (and
+                (file-notify-valid-p key)
                 (equal (file-notify--watch-absolute-filename
                         (gethash key file-notify-descriptors))
                        (directory-file-name file))