Anish Bhatt noticed that user programs can set RFLAGS.NT before
syscall or sysenter, and the kernel entry code doesn't filter out
NT. This causes kernel C code and, depending on thread flags, the
exit slow path to run with NT set.
The former is a little bit scary (imagine calling into EFI with
Anish Bhatt noticed that user programs can set RFLAGS.NT before
syscall or sysenter, and the kernel entry code doesn't filter out
NT. This causes kernel C code and, depending on thread flags, the
exit slow path to run with NT set.
The former is a little bit scary (imagine calling into EFI with
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