Page MenuHomeFreeBSD
Differential D54210

amd64/vmm.c: Fix an incorrect memory segment check in vm_iommu_{un}map
ClosedPublic
Actions

Authored by bnovkov on Dec 13 2025, 3:05 PM.
Tags
None
Referenced Files
Unknown Object (File)
Thu, Feb 19, 5:42 AM
Unknown Object (File)
Thu, Feb 19, 4:55 AM
Unknown Object (File)
Tue, Feb 17, 12:30 PM
Unknown Object (File)
Wed, Jan 28, 7:20 AM
Unknown Object (File)
Jan 14 2026, 7:39 AM
Unknown Object (File)
Jan 14 2026, 4:04 AM
Unknown Object (File)
Jan 12 2026, 10:44 AM
Unknown Object (File)
Jan 7 2026, 8:49 PM
View All 22 Files
Subscribers
bcran
imp
rgrimes

Details

Reviewers
markj
Group Reviewers
bhyve
Commits
rG04e9f1aab83a: amd64/vmm.c: Fix an incorrect memory segment check in vm_iommu_{un}map
rG4f7436bf297b: amd64/vmm.c: Fix an incorrect memory segment check in vm_iommu_{un}map
rGf1809eab82a7: amd64/vmm.c: Fix an incorrect memory segment check in vm_iommu_{un}map
Summary

This change fixes two checks that conflated memory mapping and memory
segment idenitifers. In both cases the code iterates over all memory
mappings but passes the index to vm_memseg_sysmem, which is wrong.

Fix this by passing the memory mapping's segment identifier instead.

Fixes: c76c2a19ae37

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
sys/
amd64/
vmm/
8 lines

Diff 168071

View Options

sys/amd64/vmm/vmm.c

Loading...