Andreas Kling a27c5d2fb7 Kernel: Fail with EFAULT for any address+size that would wrap around ...

Previously we were only checking that each of the virtual pages in the
specified range were valid.

This made it possible to pass in negative buffer sizes to some syscalls
as long as (address) and (address+size) were on the same page.

2020-01-29 12:56:07 +01:00

4.2 KiB

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