KVM: Prevent overflow in KVM_GET_SUPPORTED_CPUID

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The number of entries is multiplied by the entry size, which can
overflow on 32-bit hosts.  Bound the entry count instead.

Reported-by: David Wagner <daw@cs.berkeley.edu>
Cc: stable@kernel.org
Signed-off-by: Avi Kivity <avi@redhat.com>

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Avi Kivity 2009-10-04 16:45:13 +02:00

parent eb5109e311

commit 6a54435560

1 changed files with 2 additions and 0 deletions

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arch/x86/kvm/x86.c

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