RIP my first kernel bug task_reference had no overflow checks and RootDomainUserClient violated IOKit object lifetime (increased ref in initWithTask, decreased in stop; so if start etc would fail you would get a ref leak) (Iirc this is the hash not at home atm to confirm)https://twitter.com/littlelailo/status/977548279989891072 …
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A funny bug because it was introduced in 2015 with
@i41nbeer "task_t considered harmful" bug reports after the 3rd revision of them trying to fix it, but it was useless because I was never able to find a good code path to get ::start or another method to fail consistently.0 proslijeđenih tweetova 11 korisnika označava da im se sviđaPrikaži ovu nit
There are however about 100 different initWithTask methods and they added a lot of stuff between 2018 and now, so maybe there is acc a good code path. Also: the bug is still present in source but I checked 13b1 and they added checks there.
10:10 - 12. lip 2019.
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