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PCI: Bounds-check command-line resource alignment requests
[ Upstream commit 6534aac ] 32-bit BARs are limited to 2GB size (2^31). By extension, I assume 64-bit BARs are limited to 2^63 bytes. Limit the alignment requested by the "pci=resource_alignment=" command-line parameter to 2^63. Link: https://lore.kernel.org/r/20201007123045.GS4282@kadam Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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