| 1 |
On Sun, 26 Sep 2004, Ned Ludd wrote: |
| 2 |
|
| 3 |
> On Sun, 2004-09-26 at 06:56, Peter S. Mazinger wrote: |
| 4 |
> > Hello! |
| 5 |
> > |
| 6 |
> > On the 24. NeoMike answered to the thread |
| 7 |
> > -is only grsecurity enough, or -fstack-protector |
| 8 |
> |
| 9 |
> Where is the reference thread? which list? |
| 10 |
|
| 11 |
www.grsecurity.net in Forum (as I said in subject) |
| 12 |
|
| 13 |
> > |
| 14 |
> > We could use those results too. I am really interested about the |
| 15 |
> > experience w/ SSP and -O -O2 -O3 -O4+. |
| 16 |
> > He says the best for hardened is -Os, the other optimizations "kill" SSP. |
| 17 |
> |
| 18 |
> Without knowing the the thread in question it's hard to make a guess as |
| 19 |
> to what he ment. But using the gcc optimization flag -O3 has been known |
| 20 |
> to be problematic with stack-smashing protector (SSP) in some |
| 21 |
> situations. This optimization flag is not encouraged by the hardened |
| 22 |
> team. |
| 23 |
> |
| 24 |
> However on June 23 Etoh made a change to ssp which may of made the |
| 25 |
> optimizer when using -O3 not eliminate the protection instruments so |
| 26 |
> things may have changed. |
| 27 |
> |
| 28 |
> > |
| 29 |
> > What do you think of this? |
| 30 |
> > |
| 31 |
> > Peter |
| 32 |
> |
| 33 |
|
| 34 |
-- |
| 35 |
Peter S. Mazinger <ps dot m at gmx dot net> ID: 0xA5F059F2 |
| 36 |
Key fingerprint = 92A4 31E1 56BC 3D5A 2D08 BB6E C389 975E A5F0 59F2 |
| 37 |
|
| 38 |
|
| 39 |
____________________________________________________________________ |
| 40 |
Miert fizetsz az internetert? Korlatlan, ingyenes internet hozzaferes a FreeStarttol. |
| 41 |
Probald ki most! http://www.freestart.hu |
| 42 |
|
| 43 |
-- |
| 44 |
gentoo-hardened@g.o mailing list |
Archives