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[Emacs-diffs] master 817e92b: Avoid crashes due to invalid error forms f
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] master 817e92b: Avoid crashes due to invalid error forms from sentinels/filters |
Date: |
Fri, 15 Sep 2017 09:18:02 -0400 (EDT) |
branch: master
commit 817e92b2bddbdbe18d3b8cd34533b4bec04d313d
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Avoid crashes due to invalid error forms from sentinels/filters
* src/process.c (exec_sentinel_error_handler): Make sure the error
form passed to cmd_error_internal is a cons cell. (Bug#28430)
---
src/process.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/process.c b/src/process.c
index b941b5c..2733fa3 100644
--- a/src/process.c
+++ b/src/process.c
@@ -7102,6 +7102,10 @@ deliver_child_signal (int sig)
static Lisp_Object
exec_sentinel_error_handler (Lisp_Object error_val)
{
+ /* Make sure error_val is a cons cell, as all the rest of error
+ handling expects that, and will barf otherwise. */
+ if (!CONSP (error_val))
+ error_val = Fcons (Qerror, error_val);
cmd_error_internal (error_val, "error in process sentinel: ");
Vinhibit_quit = Qt;
update_echo_area ();
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