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KVM: selftests: Add 'malloc' failure check in vcpu_save_state

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There is a 'malloc' call in vcpu_save_state function, which can
be unsuccessful. This patch will add the malloc failure checking
to avoid possible null dereference and give more information
about test fail reasons.

Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Link: https://lore.kernel.org/r/20230322144528.704077-1-ivan.orlov0322@gmail.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Ivan Orlov 2023-03-22 18:45:28 +04:00 committed by Sean Christopherson
parent 8264e85560
commit 735b0e0f2d
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/kvm/lib/x86_64/processor.c
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@ -970,6 +970,7 @@ struct kvm_x86_state *vcpu_save_state(struct kvm_vcpu *vcpu)
vcpu_run_complete_io(vcpu);
state = malloc(sizeof(*state) + msr_list->nmsrs * sizeof(state->msrs.entries[0]));
TEST_ASSERT(state, "-ENOMEM when allocating kvm state");
vcpu_events_get(vcpu, &state->events);
vcpu_mp_state_get(vcpu, &state->mp_state);