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| author |   Roland McGrath <roland@gnu.org> | 2005-03-29 23:40:49 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2005-03-29 23:40:49 +0000 |
| commit | 2e6a02d832158ac81d1ecceff1834455633d58bd (patch) | |
| tree | 3602a3ce9ab476cb4f57b3b8fd35d6ae86097057 /grp | |
| parent | . (diff) | |
| download | glibc-2e6a02d832158ac81d1ecceff1834455633d58bd.tar.xz glibc-2e6a02d832158ac81d1ecceff1834455633d58bd.zip | |
2005-03-29 Thorsten Kukuk <kukuk@suse.de>
[BZ #661]
* grp/initgroups.c (internal_getgrouplist): Check if we have
enough space before adding the primary group to the list.
Diffstat (limited to 'grp')
| -rw-r--r-- | grp/initgroups.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/grp/initgroups.c b/grp/initgroups.c index d052cf48f7..b887a973ff 100644 --- a/grp/initgroups.c +++ b/grp/initgroups.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1989,91,93,1996-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1989,91,93,1996-2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -73,7 +73,9 @@ internal_getgrouplist (const char *user, gid_t group, long int *size, /* Start is one, because we have the first group as parameter. */ long int start = 1; - (*groupsp)[0] = group; + /* Never store more than the starting *SIZE number of elements. */ + if (*size > 0) + (*groupsp)[0] = group; if (__nss_group_database != NULL) { |