blob: 988deb5815f57656f6cad7db5629449a277388b7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
From 1f9848efc8a329cb9a13323cbb94b353d39802c1 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Mon, 22 Jun 2015 14:36:16 +0200
Subject: [PATCH] unistd: fix signed / unsigned comparison in getgroups
Signed-off-by: Steven Barth <steven@midlink.org>
---
include/unistd.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/unistd.h b/include/unistd.h
index 45304e1..5274e22 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -71,7 +71,7 @@ _FORTIFY_FN(getgroups) int getgroups(int __l, gid_t *__s)
{
size_t __b = __builtin_object_size(__s, 0);
- if (__l > __b / sizeof(gid_t))
+ if (__l < 0 || (size_t)__l > __b / sizeof(gid_t))
__builtin_trap();
return __orig_getgroups(__l, __s);
}
--
2.1.4
|
