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Kernel: Return EFAULT when the kernel believes the wstatus pointer is invalid

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apio 2022-10-20 08:20:56 +02:00
parent 44bd93b8b4
commit cd9ecc1746
1 changed files with 7 additions and 1 deletions
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8
kernel/src/thread/Scheduler.cpp
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@ -490,7 +490,13 @@ void sys_waitpid(Context* context, long pid, int* wstatus,
*kwstatus = (int)(child->exit_status & 0xff); *kwstatus = (int)(child->exit_status & 0xff);
release_user_ref(kwstatus); release_user_ref(kwstatus);
} }
else { kinfoln("wstatus ptr is invalid: %p", (void*)wstatus); } else
{
kinfoln("wstatus ptr is invalid: %p", (void*)wstatus);
child->state = child->Exited;
context->rax = -EFAULT;
return;
}
} }
child->state = child->Exited; child->state = child->Exited;
context->rax = (long)child->id; context->rax = (long)child->id;