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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. whitequark‏ @whitequark 7 Nov 2015

      yeah, tell me again how the go approach is obviously vastly superiorpic.twitter.com/G2hlmM1y8w

      7 replies 11 retweets 8 likes
    2. Rich Felker‏ @RichFelker 7 Nov 2015
      Replying to @whitequark

      @whitequark Isn't the Go approach just static linking, not copy-and-paste libraries into your source tree?

      3 replies 0 retweets 1 like
    3. Bert “xistence” Regeer‏ @bertjwregeer 7 Nov 2015
      Replying to @RichFelker

      @RichFelker @whitequark yes, and static linking is like copy and pasting libraries in that now you need to recompile all dependent apps

      1 reply 0 retweets 0 likes
    4. Rich Felker‏ @RichFelker 7 Nov 2015
      Replying to @bertjwregeer

      @bertjwregeer @whitequark That's only true if you don't have a proper build process.

      1 reply 0 retweets 0 likes
    5. Bert “xistence” Regeer‏ @bertjwregeer 7 Nov 2015
      Replying to @RichFelker

      @RichFelker @whitequark I can't update a single .so with go. I need to fetch new binaries from my suppliers.

      2 replies 0 retweets 0 likes
      Rich Felker‏ @RichFelker 7 Nov 2015
      Replying to @bertjwregeer

      @bertjwregeer @whitequark Updating a single .so is not safe anyway. No guarantee it's ABI-compatible. If not, massive mem corruption...

      9:56 PM - 7 Nov 2015
      • 1 Like
      • Marc-Antoine Ruel
      3 replies 0 retweets 1 like
        1. New conversation
        2. whitequark‏ @whitequark 7 Nov 2015
          Replying to @RichFelker

          @RichFelker @bertjwregeer no, not in C, but /ABI/ compatibility is trivial to ensure when loading a .so when you design a new lang.

          2 replies 0 retweets 0 likes
        3. whitequark‏ @whitequark 7 Nov 2015
          Replying to @whitequark

          @RichFelker @bertjwregeer of course, it's still unsafe in general, because there are more invariants that can be violated, including...

          1 reply 0 retweets 1 like
        4. whitequark‏ @whitequark 7 Nov 2015
          Replying to @whitequark

          @RichFelker @bertjwregeer security-relevant logic invariants, so you can't not rely on upstream doing things right.

          0 replies 0 retweets 1 like
        5. End of conversation
        1. whitequark‏ @whitequark 7 Nov 2015
          Replying to @RichFelker

          @RichFelker @bertjwregeer (also, why are you still using memory-unsafe languages for parsing untrusted input? :p)

          0 replies 0 retweets 1 like
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        1. New conversation
        2. Bert “xistence” Regeer‏ @bertjwregeer 7 Nov 2015
          Replying to @RichFelker

          @RichFelker @whitequark sure, but I trust Red Hat to get that right. And now apps from Vendor B don't need to be updated.

          1 reply 0 retweets 0 likes
        3. Justin Cormack‏ @justincormack 8 Nov 2015
          Replying to @bertjwregeer

          @bertjwregeer @RichFelker @whitequark OK so all you are saying is you trust redhat but none else including your own build process.

          1 reply 0 retweets 1 like
        4. Bert “xistence” Regeer‏ @bertjwregeer 8 Nov 2015
          Replying to @justincormack

          @justincormack @RichFelker @whitequark I don't build apps. I deploy them. I get apps from 10 vendors in binary format.

          1 reply 0 retweets 1 like
        5. Bert “xistence” Regeer‏ @bertjwregeer 8 Nov 2015
          Replying to @bertjwregeer

          @justincormack @RichFelker @whitequark I don't get to choose when to rebuild them. Upgrading one shared library can fix the flaw in all 10

          1 reply 0 retweets 2 likes
        6. Bert “xistence” Regeer‏ @bertjwregeer 8 Nov 2015
          Replying to @bertjwregeer

          @justincormack @RichFelker @whitequark rather than having to wait for all 10 to rebuild and redistribute their app as is required for

          1 reply 0 retweets 0 likes
        7. Bert “xistence” Regeer‏ @bertjwregeer 8 Nov 2015
          Replying to @bertjwregeer

          @justincormack @RichFelker @whitequark statically linked apps.

          1 reply 0 retweets 0 likes
        8. Justin Cormack‏ @justincormack 8 Nov 2015
          Replying to @bertjwregeer

          @bertjwregeer @RichFelker @whitequark well in that case you still dont get to fix the rest of the security flaws not in dynamic libs...

          2 replies 0 retweets 0 likes
        9. whitequark‏ @whitequark 8 Nov 2015
          Replying to @justincormack

          @justincormack @bertjwregeer @RichFelker yeah, that's no reason to reject time-proven solution that allows to hot-fix *some* flaws.

          1 reply 0 retweets 0 likes
        10. 4 more replies

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