Messages in this thread | | | Date | Wed, 26 Aug 2015 13:39:06 +0800 | From | Jason Wang <> | Subject | Re: [PATCH V2 1/3] kvm: use kmalloc() instead of kzalloc() during iodev register/unregister |
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On 08/25/2015 11:29 PM, Joe Perches wrote: > On Tue, 2015-08-25 at 15:47 +0800, Jason Wang wrote: >> > All fields of kvm_io_range were initialized or copied explicitly >> > afterwards. So switch to use kmalloc(). > Is there any compiler added alignment padding > in either structure? If so, those padding > areas would now be uninitialized and may leak > kernel data if copied to user-space. >
I get your concern, but I don't a way to copy them to userspace, did you?
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