Messages in this thread | | | From | Vitaly Kuznetsov <> | Subject | Re: [PATCH v2] KVM: x86: Fully initialize 'struct kvm_lapic_irq' in kvm_pv_kick_cpu_op() | Date | Fri, 08 Jul 2022 16:27:42 +0200 |
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Vitaly Kuznetsov <vkuznets@redhat.com> writes:
> 'vector' and 'trig_mode' fields of 'struct kvm_lapic_irq' are left > uninitialized in kvm_pv_kick_cpu_op(). While these fields are normally > not needed for APIC_DM_REMRD, they're still referenced by > __apic_accept_irq() for trace_kvm_apic_accept_irq(). Fully initialize > the structure to avoid consuming random stack memory. > > Fixes: a183b638b61c ("KVM: x86: make apic_accept_irq tracepoint more generic") > Reported-by: syzbot+d6caa905917d353f0d07@syzkaller.appspotmail.com > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
The patch was sent to linux-hyperv@ by mistake, my apologies.
-- Vitaly
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