Xz: Can you spot the single character that disabled Linux landlock?

Re:Xz: Can you spot the single character that disabled Linux... by bschwindHN on Monday April 01, 2024 @09:16AM (#39893855)

Another point where I appreciate the Rust compiler:

    warning: the usage of Script Group `Cyrillic` in this crate consists solely of mixed script confusables
     --> src/lib.rs:1:4
      |
    1 | fn SYS_landloсk_create_ruleset() {
      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
      |
      = note: the usage includes 'с' (U+0441)
      = note: please recheck to make sure their usages are indeed what you want
      = note: `#[warn(mixed_script_confusables)]` on by default

https://play.rust-lang.org/?version=stable&mode=debug&editio...

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Re:Xz: Can you spot the single character that disabled Linux... by nebulous1 on Tuesday April 02, 2024 @11:36AM (#39906975)

The character was in a string, not directly in what was being compiled. The contents of the string failing to compile was the point, as landlock was then disabled.

From what I understand, this landlock disabling wasn't relevant to the sshd attack. It appears it was setting up for something else.

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