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virHostCPUGetCPUID: Limit the buffer size ranges
Raise the lower bound to '64' as that seems to currently be the first size that can fit the CPU data for a modern cpu. Lower the upper bound to an arbitrary 65536. So many cpu features ougth to be enough for everyone. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Jiri Denemark <jdenemar@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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@ -1360,7 +1360,7 @@ virHostCPUGetCPUID(void)
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* the 'nent' field is adjusted and an error (ENOMEM) is returned. If the
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* number is just right, the 'nent' field is adjusted to the number of valid
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* entries in the 'entries' array, which is then filled. */
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for (alloc_size = 1; alloc_size < INT32_MAX; alloc_size *= 2) {
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for (alloc_size = 64; alloc_size <= 65536; alloc_size *= 2) {
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g_autofree struct kvm_cpuid2 *kvm_cpuid = NULL;
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kvm_cpuid = g_malloc0(sizeof(struct kvm_cpuid2) +
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