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The current implementation has three bugs, * segment limits are not enforced in protected mode if the L bit is set in the target segment descriptor * segment limits are not enforced in compatibility mode (ljmp to 32-bit code segment in long mode) * #GP(new_cs) is generated rather than #GP(0) Now the segment limits are enforced if we're not in long mode OR the target code segment doesn't have the L bit set. Signed-off-by: Andrew Oates <aoates@google.com> Message-Id: <20180816011903.39816-1-andrew@andrewoates.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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