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scsi-disk: Acquire the AioContext in scsi_*_realize()

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This fixes a crash when attaching two disks with the same blockdev to
a SCSI device that is using iothreads. Test case included.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2019-01-22 17:53:22 +02:00 • committed by Kevin Wolf
parent a6f230c8d1
commit 3ff35ba391
3 changed files with 54 additions and 3 deletions
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18
tests/qemu-iotests/240
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@ -83,6 +83,24 @@ run_qemu <<EOF
{ "execute": "quit"}
EOF
echo
echo === Attach two SCSI disks using the same block device and the same iothread ===
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add", "arguments": {"driver": "null-co", "node-name": "hd0", "read-only": true}}
{ "execute": "object-add", "arguments": {"qom-type": "iothread", "id": "iothread0"}}
{ "execute": "device_add", "arguments": {"id": "scsi0", "driver": "${virtio_scsi}", "iothread": "iothread0"}}
{ "execute": "device_add", "arguments": {"id": "scsi-hd0", "driver": "scsi-hd", "drive": "hd0"}}
{ "execute": "device_add", "arguments": {"id": "scsi-hd1", "driver": "scsi-hd", "drive": "hd0"}}
{ "execute": "device_del", "arguments": {"id": "scsi-hd0"}}
{ "execute": "device_del", "arguments": {"id": "scsi-hd1"}}
{ "execute": "device_del", "arguments": {"id": "scsi0"}}
{ "execute": "blockdev-del", "arguments": {"node-name": "hd0"}}
{ "execute": "quit"}
EOF
# success, all done
echo "*** done"
rm -f $seq.full