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kvm.573
kvm-qemu-preXX-virtio-serial-don-t-crash-on-inv...
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File kvm-qemu-preXX-virtio-serial-don-t-crash-on-invalid-input.patch of Package kvm.573
From fbe0c5591077814eead05217fc96f087b254a6a8 Mon Sep 17 00:00:00 2001 From: Michael S. Tsirkin <mst@redhat.com> Date: Tue, 22 Mar 2011 18:32:50 +0200 Subject: [PATCH] virtio-serial: don't crash on invalid input Fix crash on invalid input in virtio-serial. Discovered by code review, untested. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- hw/virtio-serial-bus.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) Index: qemu-kvm-0.14.0/hw/virtio-serial-bus.c =================================================================== --- qemu-kvm-0.14.0.orig/hw/virtio-serial-bus.c +++ qemu-kvm-0.14.0/hw/virtio-serial-bus.c @@ -600,6 +600,9 @@ static int virtio_serial_load(QEMUFile * id = qemu_get_be32(f); port = find_port_by_id(s, id); + if (!port) { + return -EINVAL; + } port->guest_connected = qemu_get_byte(f); host_connected = qemu_get_byte(f);
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