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[Qemu-devel] [PATCH 07/23] virtio-blk: fix use-after-free while handling
From: |
Michael Roth |
Subject: |
[Qemu-devel] [PATCH 07/23] virtio-blk: fix use-after-free while handling scsi commands |
Date: |
Tue, 21 Aug 2012 12:05:41 -0500 |
From: Avi Kivity <address@hidden>
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 <address@hidden>
Signed-off-by: Avi Kivity <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
(cherry picked from commit 730a9c53b4e52681fcfe31cf38854cbf91e132c7)
Signed-off-by: Michael Roth <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 fe07746..f44d244 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -253,6 +253,7 @@ static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
virtio_blk_req_complete(req, status);
g_free(req);
+ return;
#else
abort();
#endif
--
1.7.9.5
- [Qemu-devel] [stable-1.1] Patch Round-up for stable 1.1.2, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 02/23] configure: Don't override user's --cpu on MacOS and Solaris, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 03/23] ppc: Fix bug in handling of PAPR hypercall exits, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 05/23] kvmvapic: Disable if there is insufficient memory, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 04/23] s390: Fix error handling and condition code of service call, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 01/23] qtest: fix infinite loop when QEMU aborts abruptly, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 07/23] virtio-blk: fix use-after-free while handling scsi commands,
Michael Roth <=
- [Qemu-devel] [PATCH 08/23] ehci: fix reset, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 06/23] qdev: fix use-after-free in the error path of qdev_init_nofail, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 13/23] usb-ehci: Fix an assert whenever isoc transfers are used, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 11/23] usb: restore USBDevice->attached on vmload, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 10/23] uhci: fix uhci_async_cancel_all, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 14/23] qlist: add qlist_size(), Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 09/23] ehci: don't flush cache on doorbell rings., Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 12/23] usb-redir: Correctly handle the usb_redir_babble usbredir status, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 16/23] check-qjson: add test for large JSON objects, Michael Roth, 2012/08/21
- [Qemu-devel] [PATCH 17/23] slirp: Enforce host-side user of smb share, Michael Roth, 2012/08/21