wrgsbase misemulated in x86_64-softmmu
Bug #1719984 reported by
Todd Eisenberger
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
QEMU |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
qemu revision: cfe4cade054c0e0
command: ./qemu-
On this revision, the VM reports CPUID.07H.0H.EBX[0] = 1. In this VM, with CR4[16] set to 1, wrgsbase triggers #UD, which mismatches the behavior described in Intel's instruction reference.
Changed in qemu: | |
status: | Fix Committed → Fix Released |
To post a comment you must log in.
For further data, the faulting instruction is
f3 48 0f ae df wrgsbase %rdi