diff options
| author | Avi Kivity <avi@redhat.com> | 2012-08-06 15:49:03 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2012-08-10 10:25:11 +0200 |
| commit | 730a9c53b4e52681fcfe31cf38854cbf91e132c7 (patch) | |
| tree | aa4ca246c15bd0e8bf1bbb339ab0c0f4e4028bb7 /hw | |
| parent | 3d1d9652978ac5a32a0beb4bdf6065ca39440d89 (diff) | |
| download | hqemu-730a9c53b4e52681fcfe31cf38854cbf91e132c7.zip hqemu-730a9c53b4e52681fcfe31cf38854cbf91e132c7.tar.gz | |
virtio-blk: fix use-after-free while handling scsi commands
The scsi passthrough handler falls through after completing a
request into the failure path, resulting in a use after free.
Reproducible by running a guest with aio=native on a block device.
Reported-by: Stefan Priebe <s.priebe@profihost.ag>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio-blk.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index f21757e..552b3b6 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -254,6 +254,7 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req) virtio_blk_req_complete(req, status); g_free(req); + return; #else abort(); #endif |
