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Kernel: Make PrivateInodeVMObject factory APIs OOM safe
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4 changed files with 13 additions and 8 deletions
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@ -201,7 +201,10 @@ KResult Process::poke_user_data(Userspace<u32*> address, u32 data)
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// If the region is shared, we change its vmobject to a PrivateInodeVMObject
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// to prevent the write operation from changing any shared inode data
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VERIFY(region->vmobject().is_shared_inode());
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region->set_vmobject(PrivateInodeVMObject::create_with_inode(static_cast<SharedInodeVMObject&>(region->vmobject()).inode()));
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auto vmobject = PrivateInodeVMObject::create_with_inode(static_cast<SharedInodeVMObject&>(region->vmobject()).inode());
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if (!vmobject)
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return ENOMEM;
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region->set_vmobject(vmobject.release_nonnull());
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region->set_shared(false);
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}
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const bool was_writable = region->is_writable();
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