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KVM: x86: fix memoryleak in kvm_arch_vcpu_create()
authorMiaohe Lin <linmiaohe@huawei.com>
Thu, 1 Sep 2022 12:23:00 +0000 (20:23 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 1 Sep 2022 23:20:58 +0000 (19:20 -0400)
commit4a28b21e43f842c370b72def6b56182362956391
treeffbb93f0555d91145fbf3c842218aba393cdf24dtree | snapshot
parentb35fcbedf4093ba6688db19ac427a8e6531937e9commit | diff
KVM: x86: fix memoryleak in kvm_arch_vcpu_create()

When allocating memory for mci_ctl2_banks fails, KVM doesn't release
mce_banks leading to memoryleak. Fix this issue by calling kfree()
for it when kcalloc() fails.

Fixes: 300febc8e417 ("KVM: x86: Add emulation for MSR_IA32_MCx_CTL2 MSRs.")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Message-Id: <20220901122300.22298-1-linmiaohe@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/x86.c diff | blob | history
Linux Kernel Source Tree.