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(parent: 2b68224) | patch
virtio/virtio_mem: handle a possible NULL as a memcpy parameter
authorPeng Hao <flyingpenghao@gmail.com>
Wed, 22 Dec 2021 01:12:25 +0000 (09:12 +0800)
committerMichael S. Tsirkin <mst@redhat.com>
Fri, 14 Jan 2022 23:50:53 +0000 (18:50 -0500)
commitcf4a4493ff70874f8af26d75d4346c591c298e89
tree7e944aeaf81849d94d637ee6decba4b528b781fftree | snapshot
parent2b68224ec61bb66aa2a24ad099b6af65138fa888commit | diff
virtio/virtio_mem: handle a possible NULL as a memcpy parameter

There is a check for vm->sbm.sb_states before, and it should check
it here as well.

Signed-off-by: Peng Hao <flyingpeng@tencent.com>
Link: https://lore.kernel.org/r/20211222011225.40573-1-flyingpeng@tencent.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: 5f1f79bbc9e2 ("virtio-mem: Paravirtualized memory hotplug")
Cc: stable@vger.kernel.org # v5.8+
drivers/virtio/virtio_mem.c diff | blob | history
Domain: System / Kernel;