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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Patrick Walton‏ @pcwalton 7 Dec 2019
      • Report Tweet
      • Report NetzDG Violation

      Patrick Walton Retweeted Aleksey Shipilëv

      An often-overlooked reason why memory safety is important.https://twitter.com/shipilev/status/1203437299226284033 …

      Patrick Walton added,

      Aleksey Shipilëv @shipilev
      Replying to @shipilev @erikcorry
      Separately, it is morbidly amusing how many think the worst case is segfault or some sort of security exploit. My nightmare is software corrupting (my medical, financial, personal) data and then persisting that corruption everywhere with no way to recover later.
      5 replies 16 retweets 78 likes
    2. Bill Ticehurst‏ @billticehurst 8 Dec 2019
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      Replying to @pcwalton

      We often get automated crash reports that, best we can tell, are just random bit flips (cosmic rays, hardware failure, rowhammer?🤷‍♂️, ...). And I cant help but think, “How do computers run world like this?” 😳

      1 reply 0 retweets 2 likes
    3. Matt Denton‏ @MattDenton 8 Dec 2019
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      Replying to @billticehurst @pcwalton

      Seriously—Chrome gets “invalid free” bugs from GWP-ASAN with surprising regularity, which happen apparently due to bit flips in the pointer being freed. It’s crazy.

      2 replies 0 retweets 0 likes
      Patrick Walton‏ @pcwalton 8 Dec 2019
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      Replying to @MattDenton @billticehurst

      IIRC the ones we see in Firefox are assumed to largely be from hardware overclocking…

      4:25 PM - 8 Dec 2019
      1 reply 0 retweets 0 likes
        1. Matt Denton‏ @MattDenton 8 Dec 2019
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          Replying to @pcwalton @billticehurst

          Interesting, I wonder if we can see that data in our crash info somewhere.

          0 replies 0 retweets 0 likes
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