Date: Fri, 16 Jun 2017 10:52:57 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-stable@freebsd.org Subject: Re: Interesting permissions difference on NanoBSD build Message-ID: <51250937-eb64-bd50-b63c-0725439bb20b@denninger.net> In-Reply-To: <129b610a-0f2b-4831-ea5f-9aa4c323cfa8@denninger.net> References: <a6e9db4f-235e-bd40-e361-a8af84a68186@denninger.net> <1387791f-fe22-08d7-2048-26bd95eab451@madpilot.net> <0561597d-4b24-f68e-33a8-d0902e7696da@denninger.net> <129b610a-0f2b-4831-ea5f-9aa4c323cfa8@denninger.net>
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On 6/16/2017 09:55, Karl Denninger wrote:
> On 6/16/2017 08:21, Karl Denninger wrote:
>> On 6/16/2017 07:52, Guido Falsi wrote:
>>> On 06/16/17 14:25, Karl Denninger wrote:
>>>> I've recently started playing with the "base" NanoBSD scripts and have
>>>> run into an interesting issue.
>>> [...]
>>>> Note the missing "r" bit for "other" in usr and etc directories -- and
>>>> the missing "x" bit (at minimum) for the root! The same is carried down
>>>> to "local" under usr:
>>>>
>>>> root@NewFS:/pics/Crochet-work-AMD/obj/_.w # ls -al usr
>>>> total 134
>>>> drwxr-x--x 12 root wheel 12 Jun 15 17:10 .
>>>> drwxr-x--- 18 root wheel 24 Jun 15 17:10 ..
>>>> drwxr-xr-x 2 root wheel 497 Jun 15 17:09 bin
>>>> drwxr-xr-x 52 root wheel 327 Jun 15 17:10 include
>>>> drwxr-xr-x 8 root wheel 655 Jun 15 17:10 lib
>>>> drwxr-xr-x 4 root wheel 670 Jun 15 17:09 lib32
>>>> drwxr-xr-x 5 root wheel 5 Jun 15 17:10 libdata
>>>> drwxr-xr-x 7 root wheel 70 Jun 15 17:10 libexec
>>>> drwxr-x--x 10 root wheel 11 Jun 15 17:10 local
>>>> drwxr-xr-x 2 root wheel 294 Jun 15 17:08 sbin
>>>> drwxr-xr-x 31 root wheel 31 Jun 15 17:10 share
>>>> drwxr-xr-x 14 root wheel 17 Jun 15 17:10 tests
>>>> root@NewFS:/pics/Crochet-work-AMD/obj/_.w #
>>> I have no idea why this is happening on your system but I'm not
>>> observing it here:
>>>
>>>> ls -al usr
>>> total 85
>>> drwxr-xr-x 9 root wheel 9 Jun 15 13:32 .
>>> drwxr-xr-x 22 root wheel 29 Jun 15 13:32 ..
>>> drwxr-xr-x 2 root wheel 359 Jun 15 13:32 bin
>>> drwxr-xr-x 4 root wheel 446 Jun 15 13:32 lib
>>> drwxr-xr-x 3 root wheel 3 Jun 15 13:32 libdata
>>> drwxr-xr-x 5 root wheel 47 Jun 15 13:32 libexec
>>> drwxr-xr-x 12 root wheel 13 Jun 15 13:32 local
>>> drwxr-xr-x 2 root wheel 218 Jun 15 13:32 sbin
>>> drwxr-xr-x 17 root wheel 17 Jun 15 13:32 share
>>>
>>>
>>> and I get (almost) the same on the installed nanobsd system:
>>>> ls -al usr
>>> total 24
>>> drwxr-xr-x 9 root wheel 512 Jun 15 13:32 .
>>> drwxr-xr-x 23 root wheel 512 Jun 15 13:34 ..
>>> drwxr-xr-x 2 root wheel 6144 Jun 15 13:32 bin
>>> drwxr-xr-x 4 root wheel 10752 Jun 15 13:32 lib
>>> drwxr-xr-x 3 root wheel 512 Jun 15 13:32 libdata
>>> drwxr-xr-x 5 root wheel 1024 Jun 15 13:32 libexec
>>> drwxr-xr-x 12 root wheel 512 Jun 15 13:32 local
>>> drwxr-xr-x 2 root wheel 4096 Jun 15 13:32 sbin
>>> drwxr-xr-x 17 root wheel 512 Jun 15 13:32 share
>>>
>>> The machine I'm building the NanoBSD image on is running head r318959,
>>> and is running ZFS, while the NanoBSD system I've built is tracking
>>> 11-STABLE and is at r319971 at present, so a BETA1.
>>>
>>> Could you report version information too? maybe it's a problem present
>>> on head NanoBSD scripts?
>> FreeBSD 11.0-STABLE #15 r312669M: Mon Jan 23 14:01:03 CST 2017
>> karl@NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP
>>
>> I also build using Crochet against both /usr/src (my "primary" source
>> repo, which is on the rev noted here) and against a second one (-HEAD),
>> which I need to use for the RPI3. Neither winds up with this sort of
>> permission issue.
>>
>> The obj directory is on /pics/Crochet-Work-AMD, which is a zfs
>> filesystem mounted off a "scratch" SSD.
>>
>> The problem appears to stem from the creation of "_.w" and since
>> directory permissions are "normally" inherited it promulgates from there
>> unless an explicit permission set occurs. Yet I see nothing that would
>> create the world directory with anything other than the umask at the
>> time it runs.
>>
>> I *am* running this from "batch" -- perhaps that's where the problem is
>> coming from? I'll try adding a "umask 022" to the nanobsd.sh script at
>> the top and see what that does.
> Nope.
>
> It's something in the installworld subset; I put a stop in after the
> clean/create world directory and I have a 0755 permission mask on the
> (empty) directory.
>
> Hmmm...
>
> I do not know where this is coming from now but this test implies that
> it's the "installworld" action that causes it.
>
> root@NewFS:/pics/Crochet-work-AMD/obj # ls -al
>
> total 2176760
> drwxr-xr-x 5 root wheel 24 Jun 16 09:41 .
> drwxr-xr-x 3 root wheel 3 Jun 16 08:25 ..
> -rw-r--r-- 1 root wheel 7658918 Jun 16 09:22 _.bk
> -rw-r--r-- 1 root wheel 53768368 Jun 16 09:15 _.bw
> -rw-r--r-- 1 root wheel 200 Jun 16 09:25 _.cust.cust_comconsole
> -rw-r--r-- 1 root wheel 733 Jun 16 09:25 _.cust.cust_freebsd
> -rw-r--r-- 1 root wheel 550 Jun 16 09:25 _.cust.cust_install_files
> -rw-r--r-- 1 root wheel 16958 Jun 16 09:25 _.cust.cust_pkgng
> -rw-r--r-- 1 root wheel 2566610 Jun 16 09:26 _.di
> -rw-r--r-- 1 root wheel 6000000000 Jun 16 09:26 _.disk.full
> -rw-r--r-- 1 root wheel 2711020032 Jun 16 09:26 _.disk.image
> -rw-r--r-- 1 root wheel 59 Jun 16 09:25 _.dl
> -rw-r--r-- 1 root wheel 59521 Jun 16 09:25 _.du
> -rw-r--r-- 1 root wheel 2041 Jun 16 08:25 _.env
> -rw-r--r-- 1 root wheel 75783 Jun 16 09:24 _.etc
> -rw-r--r-- 1 root wheel 148 Jun 16 09:25 _.fdisk
> -rw-r--r-- 1 root wheel 215692 Jun 16 09:25 _.ik
> -rw-r--r-- 1 root wheel 4085907 Jun 16 09:24 _.iw
> drwxr-xr-x 2 root wheel 2 Jun 16 09:25 _.mnt
> -rw-r--r-- 1 root wheel 2676015 Jun 16 09:25 _.mtree
> drwxr-xr-x 2 root wheel 2 Jun 16 09:41 _.w
> -rw-r--r-- 1 root wheel 22 Jun 16 08:25 make.conf.build
> -rw-r--r-- 1 root wheel 22 Jun 16 09:22 make.conf.install
> drwxr-xr-x 3 root wheel 3 Jun 16 08:25 usr
>
> root@NewFS:/usr/src/tools/tools/nanobsd # sh nanobsd.sh -b -n -c
> PCEngines.conf
> 00:00:00 ### Exporting NanoBSD variables
> 00:00:00 ### Setting variable: MAKEOBJDIRPREFIX="/pics/Crochet-work-AMD/obj"
> 00:00:00 ### Setting variable: NANO_ARCH="amd64"
> 00:00:00 ### Setting variable: NANO_CODESIZE="0"
> 00:00:00 ### Setting variable: NANO_CONFSIZE="125000"
> 00:00:00 ### Setting variable: NANO_CUSTOMIZE=" cust_comconsole
> cust_pkgng cust_install_files cust_freebsd"
> 00:00:00 ### Setting variable: NANO_DATASIZE="1000000"
> 00:00:00 ### Setting variable: NANO_DRIVE="mmcsd0"
> 00:00:00 ### Setting variable: NANO_HEADS="16"
> 00:00:00 ### Setting variable: NANO_IMAGES="2"
> 00:00:00 ### Setting variable: NANO_IMGNAME="_.disk.full"
> 00:00:00 ### Setting variable: NANO_MAKE="make"
> 00:00:00 ### Setting variable:
> NANO_MAKE_CONF_BUILD="/pics/Crochet-work-AMD/obj/make.conf.build"
> 00:00:00 ### Setting variable:
> NANO_MAKE_CONF_INSTALL="/pics/Crochet-work-AMD/obj/make.conf.install"
> 00:00:00 ### Setting variable: NANO_MEDIASIZE="11718750"
> 00:00:00 ### Setting variable: NANO_NAME="pcengines"
> 00:00:00 ### Setting variable: NANO_NEWFS="-b 4096 -f 512 -i 8192 -U"
> 00:00:00 ### Setting variable: NANO_OBJ="/pics/Crochet-work-AMD/obj"
> 00:00:00 ### Setting variable: NANO_PMAKE="make -j 8"
> 00:00:00 ### Setting variable: NANO_SECTS="63"
> 00:00:00 ### Setting variable: NANO_SRC="/usr/src"
> 00:00:00 ### Setting variable: NANO_TOOLS="/usr/src/tools/tools/nanobsd"
> 00:00:00 ### Setting variable:
> NANO_WORLDDIR="/pics/Crochet-work-AMD/obj/_.w"
> 00:00:00 ### Setting variable: NANO_BOOT0CFG="-o packet -s 1 -m 3"
> 00:00:00 ### Setting variable: NANO_BOOTLOADER="boot/boot0sio"
> 00:00:00 ### Setting variable: NANO_LABEL=""
> 00:00:00 ### Setting variable: NANO_MODULES="default"
> 00:00:00 ### Setting variable: NANO_NOPRIV_BUILD=""
> 00:00:00 ### Setting variable: NANO_METALOG=""
> 00:00:00 ### Setting variable: NANO_LOG="/pics/Crochet-work-AMD/obj"
> 00:00:00 ### Setting variable: SRCCONF="/dev/null"
> 00:00:00 ### Setting variable: SRC_ENV_CONF="/dev/null"
> 00:00:00 # NanoBSD image pcengines build starting
> 00:00:00 ## run early customize scripts
> 00:00:00 ## Skipping buildworld (as instructed)
> 00:00:00 ## Skipping buildkernel (as instructed)
> 00:00:00 ## Clean and create world directory
> (/pics/Crochet-work-AMD/obj/_.w)
> STOP STOP STOP
I found the problem -- the customize file function that I was using was
picking up the directory tree permissions in the source and applying it
across the board; the error was in there.
Disregard; the script is ok; this is a potential mine field in its use,
but it's one that falls under "user error" in terms of category :-)
--
Karl Denninger
karl@denninger.net <mailto:karl@denninger.net>
/The Market Ticker/
/[S/MIME encrypted email preferred]/
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