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- From 1f9848efc8a329cb9a13323cbb94b353d39802c1 Mon Sep 17 00:00:00 2001
- From: Steven Barth <[email protected]>
- Date: Mon, 22 Jun 2015 14:36:16 +0200
- Subject: [PATCH] unistd: fix signed / unsigned comparison in getgroups
- Signed-off-by: Steven Barth <[email protected]>
- ---
- 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
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