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master ed43ad5b565: (bindat--unpack-item): Sanitize vector length
From: |
Stefan Monnier |
Subject: |
master ed43ad5b565: (bindat--unpack-item): Sanitize vector length |
Date: |
Sun, 10 Mar 2024 23:30:25 -0400 (EDT) |
branch: master
commit ed43ad5b5652aed075348357121d9193256721c0
Author: Petteri Hintsanen <petterih@iki.fi>
Commit: Stefan Monnier <monnier@iro.umontreal.ca>
(bindat--unpack-item): Sanitize vector length
Copyright-paperwork-exempt: yes
* lisp/emacs-lisp/bindat.el (bindat--unpack-item): Sanitize vector length
---
lisp/emacs-lisp/bindat.el | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lisp/emacs-lisp/bindat.el b/lisp/emacs-lisp/bindat.el
index 73745e8c7ac..a2161022a89 100644
--- a/lisp/emacs-lisp/bindat.el
+++ b/lisp/emacs-lisp/bindat.el
@@ -204,6 +204,9 @@
('str (bindat--unpack-str len))
('strz (bindat--unpack-strz len))
('vec
+ (when (> len (length bindat-raw))
+ (error "Vector length %d is greater than raw data length %d."
+ len (length bindat-raw)))
(let ((v (make-vector len 0)) (vlen 1))
(if (consp vectype)
(setq vlen (nth 1 vectype)
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