[PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long

[PATCH 0/2] netlink: protection and workaround for too long mcast group name · Masatake YAMATO <hidden> · 2013-03-19
[PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Masatake YAMATO <hidden> · 2013-03-19
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Ben Hutchings <hidden> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Masatake YAMATO <hidden> · 2013-03-21
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Yinghai Lu <yinghai@kernel.org> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Yinghai Lu <yinghai@kernel.org> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Yinghai Lu <yinghai@kernel.org> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Yinghai Lu <yinghai@kernel.org> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 1/2] genetlink: trigger BUG_ON if a group name is too long · Masatake YAMATO <hidden> · 2013-04-23
[PATCH 2/2] thermal: shorten too long mcast group name · Masatake YAMATO <hidden> · 2013-03-19
Re: [PATCH 2/2] thermal: shorten too long mcast group name · David Miller <davem@davemloft.net> · 2013-03-20
Re: [PATCH 2/2] thermal: shorten too long mcast group name · Masatake YAMATO <hidden> · 2013-03-21
Re: [PATCH 2/2] thermal: shorten too long mcast group name · David Miller <davem@davemloft.net> · 2013-03-21
Re: [PATCH 2/2] thermal: shorten too long mcast group name · Masatake YAMATO <hidden> · 2013-03-22
Re: [PATCH 2/2] thermal: shorten too long mcast group name · David Miller <davem@davemloft.net> · 2013-03-22
Re: [PATCH 2/2] thermal: shorten too long mcast group name · Thomas Graf <tgraf@suug.ch> · 2013-03-21

STALE4829d

From: Masatake YAMATO <hidden>
Date: 2013-03-19 17:28:33
Subsystem: networking [general], the rest · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Trigger BUG_ON if a group name is longer than GENL_NAMSIZ.

Signed-off-by: Masatake YAMATO <redacted>
---
 net/netlink/genetlink.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index f2aabb6..5a55be3 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c

@@ -142,6 +142,7 @@ int genl_register_mc_group(struct genl_family *family,
 	int err = 0;
 
 	BUG_ON(grp->name[0] == '\0');
+	BUG_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL);
 
 	genl_lock();

-- 
1.7.11.7

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