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by MBCook
4 hours ago
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The first thread is the user program, the other thread is the kernel doing things on another core. Reading from the zero page is legal, that doesn’t cause it to crash. The crash is because of a logic “bug” in the program where the zero it reads back causes some other issue in the program. I say “bug” because it’s clearly impossible without the kernel messing up. It just stored a non-zero value there. |
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