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authorLongpeng(Mike) <longpeng2@huawei.com>2017-08-02 06:20:51 +0300
committerRadim Krčmář <rkrcmar@redhat.com>2017-08-02 23:41:01 +0300
commitebd28fcb55e288030abb5bca4869603b3e1f5f7c (patch)
treeab554cfd6862c0c2abcf6c32eb62de5c911c5f68 /virt
parentf4ef19108608c81769db69976999d056c070a6f0 (diff)
downloadlinux-ebd28fcb55e288030abb5bca4869603b3e1f5f7c.tar.xz
KVM: X86: init irq->level in kvm_pv_kick_cpu_op
'lapic_irq' is a local variable and its 'level' field isn't initialized, so 'level' is random, it doesn't matter but makes UBSAN unhappy: UBSAN: Undefined behaviour in .../lapic.c:... load of value 10 is not a valid value for type '_Bool' ... Call Trace: [<ffffffff81f030b6>] dump_stack+0x1e/0x20 [<ffffffff81f03173>] ubsan_epilogue+0x12/0x55 [<ffffffff81f03b96>] __ubsan_handle_load_invalid_value+0x118/0x162 [<ffffffffa1575173>] kvm_apic_set_irq+0xc3/0xf0 [kvm] [<ffffffffa1575b20>] kvm_irq_delivery_to_apic_fast+0x450/0x910 [kvm] [<ffffffffa15858ea>] kvm_irq_delivery_to_apic+0xfa/0x7a0 [kvm] [<ffffffffa1517f4e>] kvm_emulate_hypercall+0x62e/0x760 [kvm] [<ffffffffa113141a>] handle_vmcall+0x1a/0x30 [kvm_intel] [<ffffffffa114e592>] vmx_handle_exit+0x7a2/0x1fa0 [kvm_intel] ... Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions