netdev - Re: [syzbot] net build error (6)

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Date:   Mon, 2 Jan 2023 15:36:54 +0900
From:   Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     davem@...emloft.net, kuba@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        Bagas Sanjaya <bagasdotme@...il.com>,
        syzbot <syzbot+4ca3ba1e3ae6ff5ae0f8@...kaller.appspotmail.com>
Subject: Re: [syzbot] net build error (6)

On 2022/12/31 22:44, Bagas Sanjaya wrote:
> On Fri, Dec 30, 2022 at 06:46:36PM -0800, syzbot wrote:
>> Hello,
>>
>> syzbot found the following issue on:
>>
>> HEAD commit:    d3805695fe1e net: ethernet: marvell: octeontx2: Fix uninit..
>> git tree:       net
>> console output: https://syzkaller.appspot.com/x/log.txt?x=14f43b54480000
>> kernel config:  https://syzkaller.appspot.com/x/.config?x=8ca07260bb631fb4
>> dashboard link: https://syzkaller.appspot.com/bug?extid=4ca3ba1e3ae6ff5ae0f8
>> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
>>
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+4ca3ba1e3ae6ff5ae0f8@...kaller.appspotmail.com
>>
>> failed to run ["make" "-j" "64" "ARCH=x86_64" "bzImage"]: exit status 2
>>
> 
> I think the actual build warnings/errors should be listed here instead
> of only dumping exit status and then having to click the log output.
> 

There is an report which only says "Killed". Possibly terminated by OOM-killer?
Try "dmesg -c > /dev/null" before build and "dmesg" when build failed?
And/or retry build with verbose output?

  LD      vmlinux.o
Killed
make[1]: *** [scripts/Makefile.vmlinux_o:61: vmlinux.o] Error 137
make[1]: *** Deleting file 'vmlinux.o'
make: *** [Makefile:1245: vmlinux_o] Error 2