Jann Horn

@tehjh

works at Google Project Zero. personal account.

Vrijeme pridruživanja: kolovoz 2011.
51 fotografija ili videozapis Fotografije i videozapisi

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  1. proslijedio/la je Tweet
    21. sij

    I have so many questions right now. You know , right, the thing that runs the universe today? This FOU_ATTR_LOCAL_V6 wanted to say .len instead of .type: This means this thing never-ever worked in any way. Any attempt to pass these args would...

    6 replies 24 proslijeđena tweeta 60 korisnika označava da im se sviđa
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  2. proslijedio/la je Tweet
    29. sij

    Implemented a PoC for disabling kernel lockdown on Ubuntu via a keyboard emulated through USB/IP, CC

    25 proslijeđenih tweetova 82 korisnika označavaju da im se sviđa
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  3. proslijedio/la je Tweet
    1. velj

    The Power Of : 🧼Teacher asked several kids with various levels of hand to touch 5 pieces of white bread that were taken from the same loaf, at the same time 🧼Then, they put the bread in individual plastic bags to observe what would happen over 1 month

    59 replies 5.010 proslijeđenih tweetova 7.615 korisnika označava da im se sviđa
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  4. proslijedio/la je Tweet
    1. velj

    99 smartphones are transported in a handcart to generate virtual traffic jam in Google Maps. Through this activity, it is possible to turn a green street red which has an impact in the physical world by navigating cars on another route!

    15.291 proslijeđeni tweet 34.284 korisnika označavaju da im se sviđa
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  5. proslijedio/la je Tweet
    30. sij

    Disabling the loading of unsigned drivers may be the most jarring "only ever stops the good guys" security measure.

    5 proslijeđenih tweetova 29 korisnika označava da im se sviđa
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  6. proslijedio/la je Tweet
    30. sij

    We got one little step closer to support in the : The rework of the printk() subsystem, which afaik is the last big change needed for proper PREEMPT_RT support, left the RFC state and was sent to for review recently:

    1 reply 15 proslijeđenih tweetova 30 korisnika označava da im se sviđa
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  7. proslijedio/la je Tweet
    28. sij

    At the very last minute, the Halo Wars 1 (Xbox 360) developers changed the custom std::vector container equivalent (likely used in thousands of places in the code) to do range checking on *all* operator[]'s. This shipped.

    1 reply 9 proslijeđenih tweetova 70 korisnika označava da im se sviđa
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  8. proslijedio/la je Tweet
    18. sij

    good news: the upstream fixed the crash very promptly bad news: turns out the crash was hiding a bug in the temperature calculation code, so I got to witness a soldering iron tip glowing bright cherry red

    the firmware of my soldering iron just crashed
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    7 replies 35 proslijeđenih tweetova 241 korisnik označava da mu se sviđa
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  9. proslijedio/la je Tweet
    14. sij

    24 proslijeđena tweeta 61 korisnik označava da mu se sviđa
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  10. proslijedio/la je Tweet
    6. sij

    You've got to be shitting me... One of our office chairs turns off monitors... we couldn't believe it, but we have it on tape. Surprisingly, there even is a known issue for it:

    Ovo je potencijalno osjetljiv multimedijski sadržaj. Saznajte više
    114 replies 1.821 proslijeđeni tweet 3.122 korisnika označavaju da im se sviđa
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  11. proslijedio/la je Tweet
    7. sij

    Another nail in the coffin for SHA-1 ...

    1 reply 20 proslijeđenih tweetova 25 korisnika označava da im se sviđa
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  12. proslijedio/la je Tweet
    4. sij

    Tools...

    1.480 proslijeđenih tweetova 5.540 korisnika označava da im se sviđa
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  13. proslijedio/la je Tweet
    2. sij

    TIL you can leak the device name with attempted pw reset of a Gmail account.

    Confirmation that is
    5 replies 51 proslijeđeni tweet 239 korisnika označava da im se sviđa
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  14. proslijedio/la je Tweet
    30. pro 2019.

    Watch now: EPISODE 7 of SPACE OFFICE. Follow a new logistics officer as she settles in to life on a First Order Star Destroyer. Critics are calling this new series "unforgettable" and "definitely not filmed in the children's section of a library."

    15 replies 26 proslijeđenih tweetova 300 korisnika označava da im se sviđa
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  15. proslijedio/la je Tweet
    29. pro 2019.

    "[…] The apparent cause of at least some of the 5.5 slowdowns after bisecting turned out to be […] it explains why the likes of Red Hat's upstream developers and others weren't affected and thus not quickly jumping on the problem […]"

    One Of The Reasons Why 5.5 Can Be Running - Initial bisected results of the latest Linux kernel regression, but more remain.
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    1 reply 12 proslijeđenih tweetova 24 korisnika označavaju da im se sviđa
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  16. proslijedio/la je Tweet
    29. pro 2019.

    My site was flagged again. Therefore, all downloads have been removed until this can be resolved. I've written an article about this here: . I would appreciate any retweets to bring attention to this; it affects all free and open source software developers.

    655 proslijeđenih tweetova 728 korisnika označava da im se sviđa
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  17. proslijedio/la je Tweet
    28. pro 2019.

    I want to watch a Star Wars film that's just a logistics officer trying to wrangle 40k people onto a giant ship. Storm troopers getting lost in the hallways. Officers complaining about the lack of enough vegan options. Like Office Space but actually in space

    738 proslijeđenih tweetova 4.960 korisnika označava da im se sviđa
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  18. proslijedio/la je Tweet
    19. pro 2019.

    My team ran a similar analysis years ago and found it was specific teams within a larger product group which introduced most security bugs.

    Microsoft Research came up with an A.I. model to predict the number of bugs in a code base and the top predictors in order of accuracy were - company org structure - code churn - code complexity - dependencies - code coverage Anyone else not surprised?
    2 proslijeđena tweeta 9 korisnika označava da im se sviđa
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  19. proslijedio/la je Tweet
    17. pro 2019.

    I guess this is what advisories are going to look like in 2020?

    Security firm CheckPoint discovered a WhatsApp issue that meant an attacker could send a specific group message and crash the app. Okay, fair enough. But the framing was... just a little bit over the top. We didn't cover. Accurately informing users clearly not the motivation.
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    72 proslijeđena tweeta 288 korisnika označava da im se sviđa
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  20. proslijedio/la je Tweet
    17. pro 2019.

    Security firm CheckPoint discovered a WhatsApp issue that meant an attacker could send a specific group message and crash the app. Okay, fair enough. But the framing was... just a little bit over the top. We didn't cover. Accurately informing users clearly not the motivation.

    65 replies 238 proslijeđenih tweetova 854 korisnika označavaju da im se sviđa
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