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[Qemu-devel] [PATCH master/stable] virtio-mlk: fix use-after-free while
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [PATCH master/stable] virtio-mlk: fix use-after-free while handling scsi commands |
Date: |
Mon, 6 Aug 2012 15:49:03 +0300 |
The scsi passthrough handler falls through after completing a
request into the failure path, resulting in a use after free.
Reprducible by running a guest with aio=native on a block device.
Reported-by: Stefan Priebe <address@hidden>
Signed-off-by: Avi Kivity <address@hidden>
---
hw/virtio-blk.c | 1 +
1 file changed, 1 insertion(+)
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
--
1.7.11.3
- [Qemu-devel] [PATCH master/stable] virtio-mlk: fix use-after-free while handling scsi commands,
Avi Kivity <=