lguest: beyond ARRAY_SIZE of cpu->arch.gdt
Do not go beyond ARRAY_SIZE of cpu->arch.gdt Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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@ -150,7 +150,7 @@ void load_guest_gdt_entry(struct lg_cpu *cpu, u32 num, u32 lo, u32 hi)
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{
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/* We assume the Guest has the same number of GDT entries as the
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* Host, otherwise we'd have to dynamically allocate the Guest GDT. */
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if (num > ARRAY_SIZE(cpu->arch.gdt))
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if (num >= ARRAY_SIZE(cpu->arch.gdt))
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kill_guest(cpu, "too many gdt entries %i", num);
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/* Set it up, then fix it. */
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