5 ms·
Something something Intel tried to add 100 to 486, got 585.97858475858473737272747837 and just called it pentium
by wodenokoto 7mo ago
Something something Intel tried to add 100 to 486, got 585.97858475858473737272747837 and just called it pentium
- dice 7mo ago0xf00fc7c8
- moefh 7mo agoShouldn't that be 0xc8c70ff0, since we're talking about a little-endian CPU? (according to this[1] the bytes in memory are F0 0F C7 C8). On the other hand, I probably wouldn't have recognized the F00F bug mention if you had actually written 0xc8c70ff0. [1] https://en.wikipedia.org/wiki/Pentium_F00F_bug https://en.wikipedia.org/wiki/Pentium_F00F_bug
- dice 7mo agoIt was a popular meme in computer security focused groups for a while after it was discovered since it was an unprivileged DoS. I only remember seeing it talked about with the f00f representation: some people even called it "getting f00f'd" if you managed to trick someone into executing the instructions.