The update that broke everything only pushed data, not code. The bug was extant in the software before the update, likely for years.
A terrifyingly large number of critical issues come to light like this. The code has been broken since the first release, but nobody noticed until a certain edge-case occurs.
Exactly. Even worse, a bug like this isn’t just a crash waiting to happen. It’s also a massive security hole.
If an incompetently written file can crash the system, there’s a decent chance that a maliciously crafted file could have allowed the complete takeover of it. Memory safety bugs, especially in kernel code, are very serious.
A lack of validation would have been a glaring red flag to any outsider looking at the code, but it’s exactly the kind of thing someone who’s worked on the software forever could easily overlook. It’s so, so easy to lose sight of the forest for the trees.
A terrifyingly large number of critical issues come to light like this. The code has been broken since the first release, but nobody noticed until a certain edge-case occurs.
Exactly. Even worse, a bug like this isn’t just a crash waiting to happen. It’s also a massive security hole.
If an incompetently written file can crash the system, there’s a decent chance that a maliciously crafted file could have allowed the complete takeover of it. Memory safety bugs, especially in kernel code, are very serious.
A lack of validation would have been a glaring red flag to any outsider looking at the code, but it’s exactly the kind of thing someone who’s worked on the software forever could easily overlook. It’s so, so easy to lose sight of the forest for the trees.