From: Quentin Carbonneaux <quentin@c9x.me>
Date: Tue, 5 May 2020 15:21:04 +0000 (+0200)
Subject: Fix buffer size in getgrnam_r
X-Git-Tag: v9.1.0~85^2~1^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6e1c3f2d40ff4aa869c4d8cc4e42c174b690b4e;p=thirdparty%2Fdhcpcd.git

Fix buffer size in getgrnam_r
---

diff --git a/src/if-options.c b/src/if-options.c
index f2fb205b..3d9646a4 100644
--- a/src/if-options.c
+++ b/src/if-options.c
@@ -2095,7 +2095,7 @@ invalid_token:
 			logerr(__func__);
 			return -1;
 		}
-		while ((i = getgrnam_r(arg, &grpbuf, p, (size_t)l, &grp)) ==
+		while ((i = getgrnam_r(arg, &grpbuf, p, dl, &grp)) ==
 		    ERANGE)
 		{
 			size_t nl = dl * 2;