genetlink: trigger BUG_ON if a group name is too long · f1e79e2080 - Gogs

genetlink: trigger BUG_ON if a group name is too long

Trigger BUG_ON if a group name is longer than GENL_NAMSIZ.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Masatake YAMATO 12 years ago

parent

90b2621fd4

commit

f1e79e2080

1 changed files with 1 additions and 0 deletions

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							- 0
						
net/netlink/genetlink.c
							 
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				@@ -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();