Re: [LTP] Compiling ltp with FORTIFY_SOURCE

[Subrata M. <su...@li...>]

I would request Mike to take on this. Mike, can you ?

Regards--
Subrata

On Mon, 2008-04-14 at 15:34 +0300, S.Çağlar Onur wrote:
> Hi;
> 
> Compiling LTP with "-fstack-protector -D_FORTIFY_SOURCE=2" ends up with some test failures like following;
> 
> buildhouse ltp # testcases/bin/getgroups01
> *** buffer overflow detected ***: testcases/bin/getgroups01 terminated
> getgroups01    1  BROK  :  Unexpected signal 6 received.
> getgroups01    2  BROK  :  Remaining cases broken
> getgroups01    3  BROK  :  Remaining cases broken
> getgroups01    4  BROK  :  Remaining cases broken
> 
> caused by @getgroups01.c
> [...]
>         /*
>          * Check to see if getgroups() fails on erraneous condition.
>          */
> 	TEST( getgroups(-1,gidset) );
> [...]
> 
> 
> buildhouse ltp # testcases/bin/readlink03
> readlink03    1  PASS  :  readlink(), No Search permissions to process, returned errno 13
> readlink03    2  PASS  :  readlink(), No Search permissions to process, returned errno 13
> *** buffer overflow detected ***: testcases/bin/readlink03 terminated
> readlink03    3  BROK  :  Unexpected signal 6 received.
> readlink03    4  BROK  :  Remaining cases broken
> readlink03    5  BROK  :  Remaining cases broken
> 
> 
> buildhouse ltp # testcases/bin/open08
> *** invalid open call: O_CREAT without mode ***: testcases/bin/open08 terminated
> open08      1  BROK  :  Unexpected signal 6 received.
> open08      2  BROK  :  Remaining cases broken
> open08      3  BROK  :  Remaining cases broken
> open08      4  BROK  :  Remaining cases broken
> open08      5  BROK  :  Remaining cases broken
> open08      6  BROK  :  Remaining cases broken
> 
> And even after some time machine goes down and hard reboot neeeded, following output is failed tests list but machine freezes before LTP completes its tests so i'm not sure which test causes lockup.
> 
> buildhouse ltp # cat output/LTP_RUN_ON-2008_Nis_13-23h_20m_37s.failed
> getgroups01 getgroups01
> getgroups04 getgroups04
> open08 open08
> readlink01A symlink01 -T readlink01
> readlink03 readlink03
> symlink01 symlink01
> gf15 growfiles -W gf15 -b -e 1 -u -r 1-49600 -I r -u -i 0 -L 120 Lgfile1
> inode01 inode01
> fsx-linux export TCbin=$LTPROOT/testcases/kernel/fs/fsx-linux;fsxtest02 10000
> 
> But removing "-fstack-protector -D_FORTIFY_SOURCE=2" from FLAGS makes all tests PASS on very same machine without a problem.
> 
> So what is the correct way to handle this situation (removing "-fstack-protector -D_FORTIFY_SOURCE=2" from compile flags using Makefile etc. or correcting tests to conform FORTIFY_SOURCE cases)? Any hints will be appreciated.
> 
> Cheers
> -- 
> S.Çağlar Onur <ca...@pa...>
> http://cekirdek.pardus.org.tr/~caglar/
> 
> Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
> 
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