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Kernel: Make Credentials the authority on process SID

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The SID was duplicated between the process credentials and protected
data. And to make matters worse, the credentials SID was not updated in
sys$setsid.

This patch fixes this by removing the SID from protected data and
updating the credentials SID everywhere.
This commit is contained in:
Andreas Kling 2023-04-04 16:49:42 +02:00
parent f764b8b113
commit 84ac957d7a
3 changed files with 20 additions and 11 deletions
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1
Kernel/Syscalls/fork.cpp
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@ -103,7 +103,6 @@ ErrorOr<FlatPtr> Process::sys$fork(RegisterState& regs)
child_protected_data.execpromises = my_protected_data.execpromises.load();
child_protected_data.has_promises = my_protected_data.has_promises.load();
child_protected_data.has_execpromises = my_protected_data.has_execpromises.load();
child_protected_data.sid = my_protected_data.sid;
child_protected_data.credentials = my_protected_data.credentials;
child_protected_data.umask = my_protected_data.umask;
child_protected_data.signal_trampoline = my_protected_data.signal_trampoline;