Paolo Bonzini f8c1b85b25 KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID ... This causes an ugly dmesg splat. Beautified syzkaller testcase: #include <unistd.h> #include <sys/syscall.h> #include <sys/ioctl.h> #include <fcntl.h> #include <linux/kvm.h> long r[8]; int main() { struct kvm_irq_routing ir = { 0 }; r[2] = open("/dev/kvm", O_RDWR); r[3] = ioctl(r[2], KVM_CREATE_VM, 0); r[4] = ioctl(r[3], KVM_SET_GSI_ROUTING, &ir); return 0; } Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>		2016-06-02 17:38:50 +02:00
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kvm	KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID	2016-06-02 17:38:50 +02:00
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