Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'iommu-fix-v5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fix from Joerg Roedel:
"One important fix for a memory corruption issue in the Intel VT-d
driver that triggers on hardware with deep PCI hierarchies"
* tag 'iommu-fix-v5.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/dmar: Fix buffer overflow during PCI bus notification
+1
-1
+1
-1
drivers/iommu/dmar.c
+1
-1
drivers/iommu/dmar.c
···
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for (tmp = dev; tmp; tmp = tmp->bus->self)
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level++;
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-
size = sizeof(*info) + level * sizeof(struct acpi_dmar_pci_path);
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+
size = sizeof(*info) + level * sizeof(info->path[0]);
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if (size <= sizeof(dmar_pci_notify_info_buf)) {
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info = (struct dmar_pci_notify_info *)dmar_pci_notify_info_buf;
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} else {