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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 25 Apr 2016
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      Starting to think that the @grsecurity kernel is not suitable for prod. First SIZE_OVERFLOW false +s, now panic due to a bug they introduced

      2 replies 3 retweets 6 likes
    2. CopperheadOS‏ @CopperheadOS 25 Apr 2016
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      Replying to @marcan42

      @marcan42 @grsecurity SIZE_OVERFLOW has false positives by design due to GCC limitations. Shouldn't enable if DoS is more important to you.

      1 reply 0 retweets 0 likes
    3. CopperheadOS‏ @CopperheadOS 25 Apr 2016
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      Replying to @CopperheadOS

      @marcan42 @grsecurity And in addition to that, it catches both intended and benign unintended overflows. So it can be painful to use it.

      1 reply 0 retweets 0 likes
    4. Hector Martin‏ @marcan42 25 Apr 2016
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      Replying to @CopperheadOS

      @CopperheadSec @grsecurity Yes, I stopped turning it on on prod servers. But the irony here is it caught a *real* bug *introduced* by grsec.

      1 reply 0 retweets 1 like
      Hector Martin‏ @marcan42 25 Apr 2016
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      @CopperheadSec @grsecurity Heck, for all I know the bug may even be exploitable without SIZE_OVERFLOW...

      5:30 PM - 25 Apr 2016
      0 replies 0 retweets 0 likes

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