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[Emacs-diffs] trunk r114598: * fns.c (sxhash_bool_vector): Fix buffer re
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] trunk r114598: * fns.c (sxhash_bool_vector): Fix buffer read overrun. |
Date: |
Wed, 09 Oct 2013 22:40:00 +0000 |
User-agent: |
Bazaar (2.6b2) |
------------------------------------------------------------
revno: 114598
revision-id: address@hidden
parent: address@hidden
committer: Paul Eggert <address@hidden>
branch nick: trunk
timestamp: Wed 2013-10-09 15:39:57 -0700
message:
* fns.c (sxhash_bool_vector): Fix buffer read overrun.
modified:
src/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-1438
src/fns.c fns.c-20091113204419-o5vbwnq5f7feedwu-203
=== modified file 'src/ChangeLog'
--- a/src/ChangeLog 2013-10-09 20:18:38 +0000
+++ b/src/ChangeLog 2013-10-09 22:39:57 +0000
@@ -1,3 +1,7 @@
+2013-10-09 Paul Eggert <address@hidden>
+
+ * fns.c (sxhash_bool_vector): Fix buffer read overrun.
+
2013-10-09 Eli Zaretskii <address@hidden>
* term.c (tty_menu_activate): Flush the output stream after
=== modified file 'src/fns.c'
--- a/src/fns.c 2013-10-09 03:32:35 +0000
+++ b/src/fns.c 2013-10-09 22:39:57 +0000
@@ -4191,7 +4191,9 @@
EMACS_UINT hash = XBOOL_VECTOR (vec)->size;
int i, n;
- n = min (SXHASH_MAX_LEN, XBOOL_VECTOR (vec)->header.size);
+ n = min (SXHASH_MAX_LEN,
+ ((XBOOL_VECTOR (vec)->size + BOOL_VECTOR_BITS_PER_CHAR - 1)
+ / BOOL_VECTOR_BITS_PER_CHAR));
for (i = 0; i < n; ++i)
hash = sxhash_combine (hash, XBOOL_VECTOR (vec)->data[i]);
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