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Fwd: Ticket #6973: Text relocations in color.c and filter_greedyhdeint.c

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briandlong at gmail

Sep 3, 2009, 7:35 AM

Post #1 of 3 (569 views)
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Fwd: Ticket #6973: Text relocations in color.c and filter_greedyhdeint.c

I guess the mythtv devs consider security bugs to be feature requests. :-|

/Brian/

---------- Forwarded message ----------
From: MythTV <mythtv [at] cvs>
Date: Thu, Sep 3, 2009 at 10:23 AM
Subject: Re: Ticket #6973: Text relocations in color.c and
filter_greedyhdeint.c
To: mythtv-commits [at] mythtv

#6973: Text relocations in color.c and filter_greedyhdeint.c
----------------------------------+-----------------------------------------
Reporter: briandlong [at] gmail | Owner: ijr
Type: defect | Status: closed
Priority: minor | Milestone: unknown
Component: MythTV - General | Version: unknown
Severity: medium | Resolution: invalid
Mlocked: 1 |
----------------------------------+-----------------------------------------
Changes (by danielk):

* status: new => closed
* resolution: => invalid
* mlocked: 0 => 1

Comment:

Not a bug. Feature request without patch.

--
Ticket URL: <http://svn.mythtv.org/trac/ticket/6973#comment:1>
MythTV <http://www.mythtv.org/>
MythTV

jyavenard at gmail

Sep 3, 2009, 7:44 AM

Post #2 of 3 (534 views)
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Re: Fwd: Ticket #6973: Text relocations in color.c and filter_greedyhdeint.c [In reply to]

Hi

2009/9/4 Brian Long <briandlong [at] gmail>:
> I guess the mythtv devs consider security bugs to be feature requests. :-|
>
> /Brian/

All code in MythTV including asm is compiled using position
independent code ; it has to be.

So the solution you suggest is not going to change anything as it's
already compiled with -fPIC ....

Here is how it's compiled with the default compilation flags:
ccache gcc -c -pipe -march=pentiumpro -fomit-frame-pointer
-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -std=c99
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -pthread -g -Wall
-Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
-Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef
-fno-math-errno -fno-signed-zeros -Wno-missing-prototypes -D_REENTRANT
-DPIC -fPIC -DMMX -Di386 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-DQT_PLUGIN -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
-I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore
-I/usr/include/qt4/QtGui -I/usr/include/qt4 -I/usr/include
-I/usr/local/mythtv-trunk -I../../libs/libmythtv
-I../../libs/libmythdb -I../../libs/libavcodec -I../../libs/libavutil
-I../../libs -I../.. -I../../libs/libmythtv -I../../libs/libavcodec
-I../.. -I. -I. -o filter_greedyhdeint.o filter_greedyhdeint.c
ccache gcc -c -pipe -march=pentiumpro -fomit-frame-pointer
-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -std=c99
-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -pthread -g -Wall
-Wno-switch -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
-Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wtype-limits -Wundef
-fno-math-errno -fno-signed-zeros -Wno-missing-prototypes -D_REENTRANT
-DPIC -fPIC -DMMX -Di386 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-DQT_PLUGIN -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED
-I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore
-I/usr/include/qt4/QtGui -I/usr/include/qt4 -I/usr/include
-I/usr/local/mythtv-trunk -I../../libs/libmythtv
-I../../libs/libmythdb -I../../libs/libavcodec -I../../libs/libavutil
-I../../libs -I../.. -I../../libs/libmythtv -I../../libs/libavcodec
-I../.. -I. -I. -o color.o color.c

Jean-Yves

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briandlong at gmail

Sep 3, 2009, 8:46 AM

Post #3 of 3 (537 views)
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Re: Fwd: Ticket #6973: Text relocations in color.c and filter_greedyhdeint.c [In reply to]

On Thu, Sep 3, 2009 at 10:44 AM, Jean-Yves Avenard <jyavenard [at] gmail>wrote:

> Hi
>
> 2009/9/4 Brian Long <briandlong [at] gmail>:
> > I guess the mythtv devs consider security bugs to be feature requests.
> :-|
> >
> > /Brian/
>
> All code in MythTV including asm is compiled using position
> independent code ; it has to be.
>

Jean-Yves,
Then are you suggesting the selinux context allowing text relocation is the
only acceptable fix?

/Brian/

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