Hum. That Spectre exploit appears to work out of the box on OpenBSD :(https://gist.github.com/jedisct1/3bbb6e50b768968c30629bf734ea49c6 …
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Replying to @jedisct1
works for me with -O0 and -O1, not -O2 gcc (5.5 and 6.4) Something must be optimized out OK with clang whatever -On
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Replying to @tbernard1979 @jedisct1
OK, function inlining. To get it working in gcc : void __attribute__ ((noinline)) victim_function(size_t x) {
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Replying to @tbernard1979 @jedisct1
Ported to PowerPC : https://gist.github.com/miniupnp/9b701e87f14ad3e0a455cfb54ba99fed#file-spectre-c … The POC works on a 7450 (G4e), not on a 7400 (G4). I guess the 7400 is not executing the 2nd memory fetch speculatively.
#spectreattack1 reply 0 retweets 0 likes
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