CVE-2023-54060 iommufd: Set end correctly when doing batch carry

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set end correctly when doing batch carry Even though the test suite covers this it somehow became obscured that this wasn't working. The test iommufdioas.mockdomain.accessdomaindestory would blow up rarely. end should be...

CVE-2023-54060

CVE-2023-54060 affects the Linux kernel iommufd component. The issue arises in batch carry handling where the end field was not consistently set when pushing the carry item onto the PFN list, which could lead to a NULL pointer dereference in batch_unpin and an in-kernel OOPs path under certain co...