Re: [Qemu-devel] [PATCH] vfio-pci: Fix BAR size overflow

2015-01-06 Thread Alex Williamson
- Original Message - > On 01/06/15 19:03, Alex Williamson wrote: > > We use an unsigned int when working with the PCI BAR size, which can > > obviously overflow if the BAR is 4GB or larger. This needs to change > > to an unsigned long. A similar issue is possible, though even more > > unl

Re: [Qemu-devel] [PATCH] vfio-pci: Fix BAR size overflow

2015-01-06 Thread Don Slutz
On 01/06/15 19:03, Alex Williamson wrote: We use an unsigned int when working with the PCI BAR size, which can obviously overflow if the BAR is 4GB or larger. This needs to change to an unsigned long. A similar issue is possible, though even more unlikely, when mapping the region above an MSI-X