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Date: Fri, 30 Nov 2012 09:22:34 -0800 From: Casey Schaufler <casey@...aufler-ca.com> To: Randy Dunlap <rdunlap@...otime.net> CC: Paul Moore <paul@...l-moore.com>, Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, linux-kernel@...r.kernel.org, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, linux-security-module@...r.kernel.org, Casey Schaufler <casey@...aufler-ca.com> Subject: Re: linux-next: Tree for Nov 29 (netlabel) On 11/30/2012 8:55 AM, Randy Dunlap wrote: > On 11/30/2012 07:31 AM, Paul Moore wrote: > >> On Friday, November 30, 2012 10:19:16 AM Paul Moore wrote: >>> On Thursday, November 29, 2012 04:05:26 PM Randy Dunlap wrote: >>>> On 11/28/2012 10:40 PM, Stephen Rothwell wrote: >>>>> Hi all, >>>>> Changes since 20121128: >>>> (on i386:) >>> If I had to guess it looks like CONFIG_NETLABEL needs to be dependent on >>> CONFIG_INET. While the net/ Kconfig only pulls in the net/netlabel Kconfig >>> if CONFIG_INET is defined, I'm guessing that without the explicit >>> dependency there is nothing preventing someone from arriving at a bad >>> configuration as we see here. >>> >>> Let me test this out to make sure my reasoning is right and if it is I'll >>> post a patch to netdev later today. >>> >>> Thanks for catching this. >> Hmmm. The existing logic in net/Kconfig seems to disable CONFIG_NETLABEL at >> build time whenever CONFIG_INET is disabled in my .config file. The only way >> I can recreate what you are seeing here is if I move the NetLabel include >> outside of the INET conditional in net/Kconfig. >> >> Regardless, adding an explicit dependency on INET to NETLABEL shouldn't hurt >> anything so I'll go ahead and post the patch to netdev. Hopefully someone who >> understands Kconfig better than I do can help shed some light on this. > Sorry, this patch doesn't help. > > I just checked the kernel .config again. SECURITY_SMACK > selects NETLABEL even when INET is not enabled. Bad SMACK. I'll send the patch properly, but it'll look like this. security/smack/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/security/smack/Kconfig b/security/smack/Kconfig index 9fb14ef..1be1088 100644 --- a/security/smack/Kconfig +++ b/security/smack/Kconfig @@ -1,5 +1,6 @@ config SECURITY_SMACK bool "Simplified Mandatory Access Control Kernel Support" + depends on INET depends on NET depends on SECURITY select NETLABEL > > I added Casey and mailing list to the cc: > >>>> net/built-in.o: In function `netlbl_cfg_cipsov4_add': >>>> (.text+0x61757): undefined reference to `cipso_v4_doi_add' >>>> net/built-in.o: In function `netlbl_cfg_cipsov4_del': >>>> (.text+0x6177d): undefined reference to `cipso_v4_doi_remove' >>>> net/built-in.o: In function `netlbl_cfg_cipsov4_map_add': >>>> (.text+0x617ae): undefined reference to `cipso_v4_doi_getdef' >>>> net/built-in.o: In function `netlbl_cfg_cipsov4_map_add': >>>> (.text+0x61a49): undefined reference to `cipso_v4_doi_putdef' >>>> net/built-in.o: In function `netlbl_sock_setattr': >>>> (.text+0x6218c): undefined reference to `cipso_v4_sock_setattr' >>>> net/built-in.o: In function `netlbl_sock_delattr': >>>> (.text+0x6220b): undefined reference to `cipso_v4_sock_delattr' >>>> net/built-in.o: In function `netlbl_sock_getattr': >>>> (.text+0x62238): undefined reference to `cipso_v4_sock_getattr' >>>> net/built-in.o: In function `netlbl_conn_setattr': >>>> (.text+0x622de): undefined reference to `cipso_v4_sock_setattr' >>>> net/built-in.o: In function `netlbl_conn_setattr': >>>> (.text+0x62303): undefined reference to `cipso_v4_sock_delattr' >>>> net/built-in.o: In function `netlbl_req_setattr': >>>> (.text+0x62429): undefined reference to `cipso_v4_req_setattr' >>>> net/built-in.o: In function `netlbl_req_setattr': >>>> (.text+0x6244e): undefined reference to `cipso_v4_req_delattr' >>>> net/built-in.o: In function `netlbl_req_delattr': >>>> (.text+0x624ba): undefined reference to `cipso_v4_req_delattr' >>>> net/built-in.o: In function `netlbl_skbuff_setattr': >>>> (.text+0x62551): undefined reference to `cipso_v4_skbuff_setattr' >>>> net/built-in.o: In function `netlbl_skbuff_setattr': >>>> (.text+0x62576): undefined reference to `cipso_v4_skbuff_delattr' >>>> net/built-in.o: In function `netlbl_skbuff_getattr': >>>> (.text+0x62619): undefined reference to `cipso_v4_skbuff_getattr' >>>> net/built-in.o: In function `netlbl_skbuff_err': >>>> (.text+0x62685): undefined reference to `cipso_v4_error' >>>> net/built-in.o: In function `netlbl_cache_invalidate': >>>> (.text+0x626ab): undefined reference to `cipso_v4_cache_invalidate' >>>> net/built-in.o: In function `netlbl_cache_add': >>>> (.text+0x626ec): undefined reference to `cipso_v4_cache_add' >>>> net/built-in.o: In function `netlbl_domhsh_remove_entry': >>>> (.text+0x63294): undefined reference to `cipso_v4_doi_putdef' >>>> net/built-in.o: In function `netlbl_domhsh_remove_entry': >>>> (.text+0x632eb): undefined reference to `cipso_v4_doi_putdef' >>>> net/built-in.o: In function `netlbl_domhsh_remove_af4': >>>> (.text+0x6349b): undefined reference to `cipso_v4_doi_putdef' >>>> net/built-in.o: In function `netlbl_mgmt_add_common.clone.1': >>>> netlabel_mgmt.c:(.text+0x64a87): undefined reference to >>>> `cipso_v4_doi_getdef' netlabel_mgmt.c:(.text+0x64c83): undefined reference >>>> to `cipso_v4_doi_putdef' net/built-in.o: In function >>>> `netlbl_cipsov4_listall': >>>> netlabel_cipso_v4.c:(.text+0x66e52): undefined reference to >>>> `cipso_v4_doi_walk' net/built-in.o: In function `netlbl_cipsov4_list': >>>> netlabel_cipso_v4.c:(.text+0x67199): undefined reference to >>>> `cipso_v4_doi_getdef' net/built-in.o: In function `netlbl_cipsov4_remove': >>>> netlabel_cipso_v4.c:(.text+0x6771b): undefined reference to >>>> `cipso_v4_doi_remove' net/built-in.o: In function >>>> `netlbl_cipsov4_add_pass': >>>> netlabel_cipso_v4.c:(.text+0x67a4b): undefined reference to >>>> `cipso_v4_doi_add' netlabel_cipso_v4.c:(.text+0x67a76): undefined >>>> reference >>>> to `cipso_v4_doi_free' net/built-in.o: In function >>>> `netlbl_cipsov4_add_local': >>>> netlabel_cipso_v4.c:(.text+0x67b9a): undefined reference to >>>> `cipso_v4_doi_add' netlabel_cipso_v4.c:(.text+0x67bc5): undefined >>>> reference >>>> to `cipso_v4_doi_free' net/built-in.o: In function >>>> `netlbl_cipsov4_add_std': >>>> netlabel_cipso_v4.c:(.text+0x68535): undefined reference to >>>> `cipso_v4_doi_add' netlabel_cipso_v4.c:(.text+0x68575): undefined >>>> reference >>>> to `cipso_v4_doi_free' >>>> >>>> >>>> Full randconfig file is attached. > > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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