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-rw-r--r--gnu/packages/patches/qemu-CVE-2016-8576.patch62
1 files changed, 0 insertions, 62 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2016-8576.patch b/gnu/packages/patches/qemu-CVE-2016-8576.patch
deleted file mode 100644
index 5031b59d81..0000000000
--- a/gnu/packages/patches/qemu-CVE-2016-8576.patch
+++ /dev/null
@@ -1,62 +0,0 @@
-From 20009bdaf95d10bf748fa69b104672d3cfaceddf Mon Sep 17 00:00:00 2001
-From: Gerd Hoffmann <kraxel@redhat.com>
-Date: Fri, 7 Oct 2016 10:15:29 +0200
-Subject: [PATCH] xhci: limit the number of link trbs we are willing to process
-
-Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
----
- hw/usb/hcd-xhci.c | 10 ++++++++++
- 1 file changed, 10 insertions(+)
-
-diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
-index 726435c..ee4fa48 100644
---- a/hw/usb/hcd-xhci.c
-+++ b/hw/usb/hcd-xhci.c
-@@ -54,6 +54,8 @@
- * to the specs when it gets them */
- #define ER_FULL_HACK
-
-+#define TRB_LINK_LIMIT 4
-+
- #define LEN_CAP 0x40
- #define LEN_OPER (0x400 + 0x10 * MAXPORTS)
- #define LEN_RUNTIME ((MAXINTRS + 1) * 0x20)
-@@ -1000,6 +1002,7 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
- dma_addr_t *addr)
- {
- PCIDevice *pci_dev = PCI_DEVICE(xhci);
-+ uint32_t link_cnt = 0;
-
- while (1) {
- TRBType type;
-@@ -1026,6 +1029,9 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
- ring->dequeue += TRB_SIZE;
- return type;
- } else {
-+ if (++link_cnt > TRB_LINK_LIMIT) {
-+ return 0;
-+ }
- ring->dequeue = xhci_mask64(trb->parameter);
- if (trb->control & TRB_LK_TC) {
- ring->ccs = !ring->ccs;
-@@ -1043,6 +1049,7 @@ static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
- bool ccs = ring->ccs;
- /* hack to bundle together the two/three TDs that make a setup transfer */
- bool control_td_set = 0;
-+ uint32_t link_cnt = 0;
-
- while (1) {
- TRBType type;
-@@ -1058,6 +1065,9 @@ static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
- type = TRB_TYPE(trb);
-
- if (type == TR_LINK) {
-+ if (++link_cnt > TRB_LINK_LIMIT) {
-+ return -length;
-+ }
- dequeue = xhci_mask64(trb.parameter);
- if (trb.control & TRB_LK_TC) {
- ccs = !ccs;
---
-1.8.3.1
-