linux-kernel - Re: linux-next: build failure after merge of the net-next tree

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Message-ID: <87pn7gh3er.fsf@turtle.gmx.de>
Date:   Mon, 24 Aug 2020 10:08:28 +0200
From:   Sven Joachim <svenjoac@....de>
To:     Brian Vazquez <brianvv@...gle.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the net-next tree

On 2020-08-22 08:16 +0200, Sven Joachim wrote:

> On 2020-08-21 09:23 -0700, Brian Vazquez wrote:
>
>> Hi Sven,
>>
>> Sorry for the late reply, did you still see this after:
>> https://patchwork.ozlabs.org/project/netdev/patch/20200803131948.41736-1-yuehaibing@huawei.com/
>> ??
>
> That patch is apparently already in 5.9-rc1 as commit 80fbbb1672e7, so
> yes I'm still seeing it.

Still present in 5.9-rc2 as of today, I have attached my .config for
reference.  Note that I have CONFIG_IPV6_MULTIPLE_TABLES=y, but
CONFIG_IP_MULTIPLE_TABLES is not mentioned at all there.

To build the kernel, I have now deselected IPV6_MULTIPLE_TABLES.  Not
sure why this was enabled in my .config which has grown organically over
many years.

Cheers,
       Sven


Download attachment ".config.xz" of type "application/x-xz" (22188 bytes)


>> On Mon, Aug 17, 2020 at 12:21 AM Sven Joachim <svenjoac@....de> wrote:
>>
>>> On 2020-07-29 21:27 +1000, Stephen Rothwell wrote:
>>>
>>> > Hi all,
>>> >
>>> > After merging the net-next tree, today's linux-next build (i386
>>> defconfig)
>>> > failed like this:
>>> >
>>> > x86_64-linux-gnu-ld: net/core/fib_rules.o: in function
>>> `fib_rules_lookup':
>>> > fib_rules.c:(.text+0x5c6): undefined reference to `fib6_rule_match'
>>> > x86_64-linux-gnu-ld: fib_rules.c:(.text+0x5d8): undefined reference to
>>> `fib6_rule_match'
>>> > x86_64-linux-gnu-ld: fib_rules.c:(.text+0x64d): undefined reference to
>>> `fib6_rule_action'
>>> > x86_64-linux-gnu-ld: fib_rules.c:(.text+0x662): undefined reference to
>>> `fib6_rule_action'
>>> > x86_64-linux-gnu-ld: fib_rules.c:(.text+0x67a): undefined reference to
>>> `fib6_rule_suppress'
>>> > x86_64-linux-gnu-ld: fib_rules.c:(.text+0x68d): undefined reference to
>>> `fib6_rule_suppress'
>>>
>>> FWIW, I saw these errors in 5.9-rc1 today, so the fix in commit
>>> 41d707b7332f ("fib: fix fib_rules_ops indirect calls wrappers") was
>>> apparently not sufficient.
>>>
>>> ,----
>>> | $ grep IPV6 .config
>>> | CONFIG_IPV6=m
>>> | # CONFIG_IPV6_ROUTER_PREF is not set
>>> | # CONFIG_IPV6_OPTIMISTIC_DAD is not set
>>> | # CONFIG_IPV6_MIP6 is not set
>>> | # CONFIG_IPV6_ILA is not set
>>> | # CONFIG_IPV6_VTI is not set
>>> | CONFIG_IPV6_SIT=m
>>> | # CONFIG_IPV6_SIT_6RD is not set
>>> | CONFIG_IPV6_NDISC_NODETYPE=y
>>> | CONFIG_IPV6_TUNNEL=m
>>> | CONFIG_IPV6_MULTIPLE_TABLES=y
>>> | # CONFIG_IPV6_SUBTREES is not set
>>> | # CONFIG_IPV6_MROUTE is not set
>>> | # CONFIG_IPV6_SEG6_LWTUNNEL is not set
>>> | # CONFIG_IPV6_SEG6_HMAC is not set
>>> | # CONFIG_IPV6_RPL_LWTUNNEL is not set
>>> | # CONFIG_NF_SOCKET_IPV6 is not set
>>> | # CONFIG_NF_TPROXY_IPV6 is not set
>>> | # CONFIG_NF_DUP_IPV6 is not set
>>> | # CONFIG_NF_REJECT_IPV6 is not set
>>> | # CONFIG_NF_LOG_IPV6 is not set
>>> | CONFIG_NF_DEFRAG_IPV6=m
>>> `----
>>>
>>> > Caused by commit
>>> >
>>> >   b9aaec8f0be5 ("fib: use indirect call wrappers in the most common
>>> fib_rules_ops")
>>> >
>>> > # CONFIG_IPV6_MULTIPLE_TABLES is not set
>>> >
>>> > I have reverted that commit for today.
>>>
>>> Cheers,
>>>        Sven
>>>