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4 commits

Author SHA1 Message Date
Liav A
60b088b89a Kernel: Send SIGBUS to threads that use after valid Inode mmaped range 
According to Dr. POSIX, we should allow to call mmap on inodes even on
ranges that currently don't map to any actual data. Trying to read or
write to those ranges should result in SIGBUS being sent to the thread
that did violating memory access.

To implement this restriction, we simply check if the result of
read_bytes on an Inode returns 0, which means we have nothing valid to
map to the program, hence it should receive a SIGBUS in that case.
 2022-09-26 20:00:34 +03:00
Liav A
6e26e9fb29 Revert "Kernel: Send SIGBUS to threads that use after valid Inode mmaped range" 
This reverts commit 0c675192c9.
 2022-09-24 13:49:40 +02:00
Liav A
0c675192c9 Kernel: Send SIGBUS to threads that use after valid Inode mmaped range 
According to Dr. POSIX, we should allow to call mmap on inodes even on
ranges that currently don't map to any actual data. Trying to read or
write to those ranges should result in SIGBUS being sent to the thread
that did violating memory access.
 2022-09-16 14:55:45 +03:00
Andreas Kling
a1d7ebf85a Kernel: Rename Kernel/VM/ to Kernel/Memory/ 
This directory isn't just about virtual memory, it's about all kinds
of memory management.
 2021-08-06 14:05:58 +02:00
Renamed from Kernel/VM/PageFaultResponse.h (Browse further)