* [gentoo-embedded] Problems migrating from uclibc to uclibc-ng
@ 2016-12-12 3:11 99% René Rhéaume
0 siblings, 0 replies; 1+ results
From: René Rhéaume @ 2016-12-12 3:11 UTC (permalink / raw
To: gentoo-embedded
I am trying to migrate from uclibc to uclibc-ng.
First, I found 2 typos in the wiki at
https://wiki.gentoo.org/wiki/Project:Hardened_uClibc#Migration_to_uClibc-ng
cp -a /var/tmp/portage/sys-libs/uclibc-ng/image/lib /lib.new should be
cp -a /var/tmp/portage/sys-libs/uclibc-ng-1.0.17/image/lib /lib.new
ls -al /lib/ld-uClibc.so.0 should be
ls -al /lib/ld*-uClibc.so.0 to take in account 64-bit systems
But now, I have several PAX errors, cannot start X or use GNU
coreutils (that static busybox comes handy),as you can see below:
This is pedro.O (Linux x86_64 4.4.8-hardened-r1) 21:57:56
pedro login: drener
[19640.729329] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /bin/login[login:13309] uid/euid:0/0
gid/egid:0/0, parent /ginit[init:1] uid/euid:0/0 gid/egid:0/0
Password:
[19643.202924] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /usr/bin/id[id:13310]
uid/euid:1000/1000
gid/egid:1000/1000, parent /ginit[ash:13309] uid/euid:1000/1000
gid/egid:1000/1000
[19643.215949] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /usr/bin/id[id:13317]
uid/euid:1000/1000
gid/egid:1000/1000, parent /ginit[ash:13309] uid/euid:1000/1000
gid/egid:1000/1000
[19643.220535] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /usr/bin/dircolors[dircolors:13318]
uid/euid:1000/1000 gid/egid:1000/1000, parent /ginit[ash:13309]
uid/euid:1000/1000
gid/egid:1000/1000
[19643.227779] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /usr/bin/dircolors[dircolors:13319]
uid/euid:1000/1000 gid/egid:1000/1000, parent /ginit[ash:13309]
uid/euid:1000/1000
gid/egid:1000/1000
-ash: /home/drener/.bashrc: line 72: syntax error: bad function name
drener@l.pedro 2 ~
$ startx
[19645.530064] grsec: denied marking stack executable as requested by
PT_GNU_STACK
marking in /lib/libuClibc-0.1.0.19.so by /usr/bin/startx[startx:13320]
uid/euid:1000/1000 gid/egid:1000/1000, parent /ginit[ash:13309]
uid/euid:1000/1000
gid/egid:1000/1000
/bin/dash: symbol 'sigsetmask': can't resolve symbol
drener@l.pedro 255 ~
$
I used the configuration file at
https://gitweb.gentoo.org/proj/releng.git/tree/tools-uclibc/portage.amd64.hardened/savedconfig/sys-libs/uclibc-ng
. And my kernel is configured to obey PaX flags from XATTR only. What
is going on here?
--
René Rhéaume
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