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On Sun, 26 Sep 2004, Ned Ludd wrote: |
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> On Sun, 2004-09-26 at 06:56, Peter S. Mazinger wrote: |
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> > Hello! |
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> > |
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> > On the 24. NeoMike answered to the thread |
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> > -is only grsecurity enough, or -fstack-protector |
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> |
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> Where is the reference thread? which list? |
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www.grsecurity.net in Forum (as I said in subject) |
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> > |
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> > We could use those results too. I am really interested about the |
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> > experience w/ SSP and -O -O2 -O3 -O4+. |
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> > He says the best for hardened is -Os, the other optimizations "kill" SSP. |
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> |
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> Without knowing the the thread in question it's hard to make a guess as |
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> to what he ment. But using the gcc optimization flag -O3 has been known |
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> to be problematic with stack-smashing protector (SSP) in some |
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> situations. This optimization flag is not encouraged by the hardened |
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> team. |
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> |
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> However on June 23 Etoh made a change to ssp which may of made the |
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> optimizer when using -O3 not eliminate the protection instruments so |
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> things may have changed. |
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> |
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> > |
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> > What do you think of this? |
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> > |
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> > Peter |
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> |
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-- |
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Peter S. Mazinger <ps dot m at gmx dot net> ID: 0xA5F059F2 |
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Key fingerprint = 92A4 31E1 56BC 3D5A 2D08 BB6E C389 975E A5F0 59F2 |
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