debian/patches/extra/CVE-2016-7466-usb-xhci-fix-memory-leak-in-usb_xhci_exit.patch

   1 From b53dd4495ced2432a0b652ea895e651d07336f7e Mon Sep 17 00:00:00 2001
   2 From: Li Qiang <liqiang6-s@360.cn>
   3 Date: Tue, 13 Sep 2016 03:20:03 -0700
   4 Subject: [PATCH] usb:xhci:fix memory leak in usb_xhci_exit
   5
   6 If the xhci uses msix, it doesn't free the corresponding
   7 memory, thus leading a memory leak. This patch avoid this.
   8
   9 Signed-off-by: Li Qiang <liqiang6-s@360.cn>
  10 Message-id: 57d7d2e0.d4301c0a.d13e9.9a55@mx.google.com
  11 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
  12 ---
  13  hw/usb/hcd-xhci.c | 3 +--
  14  1 file changed, 1 insertion(+), 2 deletions(-)
  15
  16 diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
  17 index 37c1493..726435c 100644
  18 --- a/hw/usb/hcd-xhci.c
  19 +++ b/hw/usb/hcd-xhci.c
  20 @@ -3715,8 +3715,7 @@ static void usb_xhci_exit(PCIDevice *dev)
  21      /* destroy msix memory region */
  22      if (dev->msix_table && dev->msix_pba
  23          && dev->msix_entry_used) {
  24 -        memory_region_del_subregion(&xhci->mem, &dev->msix_table_mmio);
  25 -        memory_region_del_subregion(&xhci->mem, &dev->msix_pba_mmio);
  26 +        msix_uninit(dev, &xhci->mem, &xhci->mem);
  27      }
  28
  29      usb_bus_release(&xhci->bus);
  30 --
  31 2.1.4
  32