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gnu: qemu: Update to 2.5.1.
* gnu/packages/qemu.scm (qemu): Update to 2.5.1. [source]: Remove patches. * gnu/packages/patches/qemu-usb-ehci-oob-read.patch, gnu/packages/patches/qemu-virtio-9p-use-accessor-to-get-thread-pool.patch, gnu/packages/patches/qemu-CVE-2015-8558.patch, gnu/packages/patches/qemu-CVE-2015-8567.patch, gnu/packages/patches/qemu-CVE-2015-8613.patch, gnu/packages/patches/qemu-CVE-2015-8619.patch, gnu/packages/patches/qemu-CVE-2015-8701.patch, gnu/packages/patches/qemu-CVE-2015-8743.patch, gnu/packages/patches/qemu-CVE-2016-1568.patch, gnu/packages/patches/qemu-CVE-2016-1922.patch, gnu/packages/patches/qemu-CVE-2016-1981.patch, gnu/packages/patches/qemu-CVE-2016-2197.patch: Remove files. * gnu/local.mk (dist_patch_DATA): Remove them.
This commit is contained in:
Efraim Flashner
parent
f2bca8db37
commit
cc6561e6a1
14 changed files with 3 additions and 739 deletions
12
gnu/local.mk
12
gnu/local.mk
|
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@ -711,18 +711,6 @@ dist_patch_DATA = \
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gnu/packages/patches/python-paste-remove-timing-test.patch \
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gnu/packages/patches/python2-pygobject-2-gi-info-type-error-domain.patch \
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gnu/packages/patches/python-pandas-fix-tslib-test-failure.patch \
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gnu/packages/patches/qemu-CVE-2015-8558.patch \
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gnu/packages/patches/qemu-CVE-2015-8567.patch \
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gnu/packages/patches/qemu-CVE-2015-8613.patch \
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gnu/packages/patches/qemu-CVE-2015-8619.patch \
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gnu/packages/patches/qemu-CVE-2015-8701.patch \
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gnu/packages/patches/qemu-CVE-2015-8743.patch \
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gnu/packages/patches/qemu-CVE-2016-1568.patch \
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gnu/packages/patches/qemu-CVE-2016-1922.patch \
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gnu/packages/patches/qemu-CVE-2016-1981.patch \
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gnu/packages/patches/qemu-CVE-2016-2197.patch \
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gnu/packages/patches/qemu-usb-ehci-oob-read.patch \
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gnu/packages/patches/qemu-virtio-9p-use-accessor-to-get-thread-pool.patch \
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gnu/packages/patches/qt4-ldflags.patch \
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gnu/packages/patches/ratpoison-shell.patch \
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gnu/packages/patches/readline-link-ncurses.patch \
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|
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@ -1,48 +0,0 @@
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From 156a2e4dbffa85997636a7a39ef12da6f1b40254 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Mon, 14 Dec 2015 09:21:23 +0100
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Subject: [PATCH] ehci: make idt processing more robust
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Make ehci_process_itd return an error in case we didn't do any actual
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iso transfer because we've found no active transaction. That'll avoid
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ehci happily run in circles forever if the guest builds a loop out of
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idts.
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This is CVE-2015-8558.
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Cc: qemu-stable@nongnu.org
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Reported-by: Qinghao Tang <luodalongde@gmail.com>
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Tested-by: P J P <ppandit@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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---
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hw/usb/hcd-ehci.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index 4e2161b..d07f228 100644
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--- a/hw/usb/hcd-ehci.c
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+++ b/hw/usb/hcd-ehci.c
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@@ -1389,7 +1389,7 @@ static int ehci_process_itd(EHCIState *ehci,
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{
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USBDevice *dev;
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USBEndpoint *ep;
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- uint32_t i, len, pid, dir, devaddr, endp;
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+ uint32_t i, len, pid, dir, devaddr, endp, xfers = 0;
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uint32_t pg, off, ptr1, ptr2, max, mult;
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ehci->periodic_sched_active = PERIODIC_ACTIVE;
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@@ -1479,9 +1479,10 @@ static int ehci_process_itd(EHCIState *ehci,
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ehci_raise_irq(ehci, USBSTS_INT);
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}
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itd->transact[i] &= ~ITD_XACT_ACTIVE;
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+ xfers++;
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}
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}
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- return 0;
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+ return xfers ? 0 : -1;
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}
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--
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2.6.3
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@ -1,93 +0,0 @@
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From aa4a3dce1c88ed51b616806b8214b7c8428b7470 Mon Sep 17 00:00:00 2001
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From: P J P <ppandit@redhat.com>
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Date: Tue, 15 Dec 2015 12:27:54 +0530
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Subject: [PATCH] net: vmxnet3: avoid memory leakage in activate_device
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Vmxnet3 device emulator does not check if the device is active
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before activating it, also it did not free the transmit & receive
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buffers while deactivating the device, thus resulting in memory
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leakage on the host. This patch fixes both these issues to avoid
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host memory leakage.
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Reported-by: Qinghao Tang <luodalongde@gmail.com>
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Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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---
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hw/net/vmxnet3.c | 24 ++++++++++++++++--------
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1 file changed, 16 insertions(+), 8 deletions(-)
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diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
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index a5dd79a..9c1adfc 100644
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--- a/hw/net/vmxnet3.c
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+++ b/hw/net/vmxnet3.c
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@@ -1194,8 +1194,13 @@ static void vmxnet3_reset_mac(VMXNET3State *s)
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static void vmxnet3_deactivate_device(VMXNET3State *s)
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{
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- VMW_CBPRN("Deactivating vmxnet3...");
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- s->device_active = false;
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+ if (s->device_active) {
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+ VMW_CBPRN("Deactivating vmxnet3...");
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+ vmxnet_tx_pkt_reset(s->tx_pkt);
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+ vmxnet_tx_pkt_uninit(s->tx_pkt);
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+ vmxnet_rx_pkt_uninit(s->rx_pkt);
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+ s->device_active = false;
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+ }
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}
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static void vmxnet3_reset(VMXNET3State *s)
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@@ -1204,7 +1209,6 @@ static void vmxnet3_reset(VMXNET3State *s)
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vmxnet3_deactivate_device(s);
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vmxnet3_reset_interrupt_states(s);
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- vmxnet_tx_pkt_reset(s->tx_pkt);
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s->drv_shmem = 0;
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s->tx_sop = true;
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s->skip_current_tx_pkt = false;
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@@ -1431,6 +1435,12 @@ static void vmxnet3_activate_device(VMXNET3State *s)
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return;
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}
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+ /* Verify if device is active */
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+ if (s->device_active) {
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+ VMW_CFPRN("Vmxnet3 device is active");
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+ return;
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+ }
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+
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vmxnet3_adjust_by_guest_type(s);
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vmxnet3_update_features(s);
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vmxnet3_update_pm_state(s);
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@@ -1627,7 +1637,7 @@ static void vmxnet3_handle_command(VMXNET3State *s, uint64_t cmd)
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break;
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case VMXNET3_CMD_QUIESCE_DEV:
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- VMW_CBPRN("Set: VMXNET3_CMD_QUIESCE_DEV - pause the device");
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+ VMW_CBPRN("Set: VMXNET3_CMD_QUIESCE_DEV - deactivate the device");
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vmxnet3_deactivate_device(s);
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break;
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@@ -1741,7 +1751,7 @@ vmxnet3_io_bar1_write(void *opaque,
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* shared address only after we get the high part
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*/
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if (val == 0) {
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- s->device_active = false;
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+ vmxnet3_deactivate_device(s);
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}
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s->temp_shared_guest_driver_memory = val;
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s->drv_shmem = 0;
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@@ -2021,9 +2031,7 @@ static bool vmxnet3_peer_has_vnet_hdr(VMXNET3State *s)
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static void vmxnet3_net_uninit(VMXNET3State *s)
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{
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g_free(s->mcast_list);
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- vmxnet_tx_pkt_reset(s->tx_pkt);
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- vmxnet_tx_pkt_uninit(s->tx_pkt);
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- vmxnet_rx_pkt_uninit(s->rx_pkt);
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+ vmxnet3_deactivate_device(s);
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qemu_del_nic(s->nic);
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}
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--
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2.6.3
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@ -1,35 +0,0 @@
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From 36fef36b91f7ec0435215860f1458b5342ce2811 Mon Sep 17 00:00:00 2001
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From: P J P <ppandit@redhat.com>
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Date: Mon, 21 Dec 2015 15:13:13 +0530
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Subject: [PATCH] scsi: initialise info object with appropriate size
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While processing controller 'CTRL_GET_INFO' command, the routine
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'megasas_ctrl_get_info' overflows the '&info' object size. Use its
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appropriate size to null initialise it.
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Reported-by: Qinghao Tang <luodalongde@gmail.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Message-Id: <alpine.LFD.2.20.1512211501420.22471@wniryva>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: P J P <ppandit@redhat.com>
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---
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hw/scsi/megasas.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
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index d7dc667..576f56c 100644
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--- a/hw/scsi/megasas.c
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+++ b/hw/scsi/megasas.c
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@@ -718,7 +718,7 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
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BusChild *kid;
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int num_pd_disks = 0;
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- memset(&info, 0x0, cmd->iov_size);
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+ memset(&info, 0x0, dcmd_size);
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if (cmd->iov_size < dcmd_size) {
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trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size,
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dcmd_size);
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--
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2.6.3
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@ -1,119 +0,0 @@
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Date: Wed, 13 Jan 2016 09:09:58 +0100
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Subject: [PATCH] hmp: fix sendkey out of bounds write (CVE-2015-8619)
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When processing 'sendkey' command, hmp_sendkey routine null
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terminates the 'keyname_buf' array. This results in an OOB
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write issue, if 'keyname_len' was to fall outside of
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'keyname_buf' array.
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Since the keyname's length is known the keyname_buf can be
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removed altogether by adding a length parameter to
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index_from_key() and using it for the error output as well.
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Reported-by: Ling Liu <liuling-it@360.cn>
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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Message-Id: <20160113080958.GA18934@olga>
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[Comparison with "<" dumbed down, test for junk after strtoul()
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tweaked]
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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(cherry picked from commit 64ffbe04eaafebf4045a3ace52a360c14959d196)
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---
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hmp.c | 18 ++++++++----------
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include/ui/console.h | 2 +-
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ui/input-legacy.c | 5 +++--
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3 files changed, 12 insertions(+), 13 deletions(-)
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diff --git a/hmp.c b/hmp.c
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index 2140605..1904203 100644
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--- a/hmp.c
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+++ b/hmp.c
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@@ -1734,21 +1734,18 @@ void hmp_sendkey(Monitor *mon, const QDict *qdict)
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int has_hold_time = qdict_haskey(qdict, "hold-time");
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int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
|
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Error *err = NULL;
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- char keyname_buf[16];
|
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char *separator;
|
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int keyname_len;
|
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|
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while (1) {
|
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separator = strchr(keys, '-');
|
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keyname_len = separator ? separator - keys : strlen(keys);
|
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- pstrcpy(keyname_buf, sizeof(keyname_buf), keys);
|
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|
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/* Be compatible with old interface, convert user inputted "<" */
|
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- if (!strncmp(keyname_buf, "<", 1) && keyname_len == 1) {
|
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- pstrcpy(keyname_buf, sizeof(keyname_buf), "less");
|
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+ if (keys[0] == '<' && keyname_len == 1) {
|
||||
+ keys = "less";
|
||||
keyname_len = 4;
|
||||
}
|
||||
- keyname_buf[keyname_len] = 0;
|
||||
|
||||
keylist = g_malloc0(sizeof(*keylist));
|
||||
keylist->value = g_malloc0(sizeof(*keylist->value));
|
||||
@@ -1761,16 +1758,17 @@ void hmp_sendkey(Monitor *mon, const QDict *qdict)
|
||||
}
|
||||
tmp = keylist;
|
||||
|
||||
- if (strstart(keyname_buf, "0x", NULL)) {
|
||||
+ if (strstart(keys, "0x", NULL)) {
|
||||
char *endp;
|
||||
- int value = strtoul(keyname_buf, &endp, 0);
|
||||
- if (*endp != '\0') {
|
||||
+ int value = strtoul(keys, &endp, 0);
|
||||
+ assert(endp <= keys + keyname_len);
|
||||
+ if (endp != keys + keyname_len) {
|
||||
goto err_out;
|
||||
}
|
||||
keylist->value->type = KEY_VALUE_KIND_NUMBER;
|
||||
keylist->value->u.number = value;
|
||||
} else {
|
||||
- int idx = index_from_key(keyname_buf);
|
||||
+ int idx = index_from_key(keys, keyname_len);
|
||||
if (idx == Q_KEY_CODE_MAX) {
|
||||
goto err_out;
|
||||
}
|
||||
@@ -1792,7 +1790,7 @@ out:
|
||||
return;
|
||||
|
||||
err_out:
|
||||
- monitor_printf(mon, "invalid parameter: %s\n", keyname_buf);
|
||||
+ monitor_printf(mon, "invalid parameter: %.*s\n", keyname_len, keys);
|
||||
goto out;
|
||||
}
|
||||
|
||||
diff --git a/include/ui/console.h b/include/ui/console.h
|
||||
index c249db4..5739bdd 100644
|
||||
--- a/include/ui/console.h
|
||||
+++ b/include/ui/console.h
|
||||
@@ -433,7 +433,7 @@ static inline int vnc_display_pw_expire(const char *id, time_t expires)
|
||||
void curses_display_init(DisplayState *ds, int full_screen);
|
||||
|
||||
/* input.c */
|
||||
-int index_from_key(const char *key);
|
||||
+int index_from_key(const char *key, size_t key_length);
|
||||
|
||||
/* gtk.c */
|
||||
void early_gtk_display_init(int opengl);
|
||||
diff --git a/ui/input-legacy.c b/ui/input-legacy.c
|
||||
index e0a39f0..3f28bbc 100644
|
||||
--- a/ui/input-legacy.c
|
||||
+++ b/ui/input-legacy.c
|
||||
@@ -57,12 +57,13 @@ struct QEMUPutLEDEntry {
|
||||
static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
|
||||
QTAILQ_HEAD_INITIALIZER(led_handlers);
|
||||
|
||||
-int index_from_key(const char *key)
|
||||
+int index_from_key(const char *key, size_t key_length)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
|
||||
- if (!strcmp(key, QKeyCode_lookup[i])) {
|
||||
+ if (!strncmp(key, QKeyCode_lookup[i], key_length) &&
|
||||
+ !QKeyCode_lookup[i][key_length]) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,47 +0,0 @@
|
|||
From 007cd223de527b5f41278f2d886c1a4beb3e67aa Mon Sep 17 00:00:00 2001
|
||||
From: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Date: Mon, 28 Dec 2015 16:24:08 +0530
|
||||
Subject: [PATCH] net: rocker: fix an incorrect array bounds check
|
||||
|
||||
While processing transmit(tx) descriptors in 'tx_consume' routine
|
||||
the switch emulator suffers from an off-by-one error, if a
|
||||
descriptor was to have more than allowed(ROCKER_TX_FRAGS_MAX=16)
|
||||
fragments. Fix an incorrect bounds check to avoid it.
|
||||
|
||||
Reported-by: Qinghao Tang <luodalongde@gmail.com>
|
||||
Cc: qemu-stable@nongnu.org
|
||||
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Signed-off-by: Jason Wang <jasowang@redhat.com>
|
||||
---
|
||||
hw/net/rocker/rocker.c | 8 ++++----
|
||||
1 file changed, 4 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c
|
||||
index c57f1a6..2e77e50 100644
|
||||
--- a/hw/net/rocker/rocker.c
|
||||
+++ b/hw/net/rocker/rocker.c
|
||||
@@ -232,6 +232,9 @@ static int tx_consume(Rocker *r, DescInfo *info)
|
||||
frag_addr = rocker_tlv_get_le64(tlvs[ROCKER_TLV_TX_FRAG_ATTR_ADDR]);
|
||||
frag_len = rocker_tlv_get_le16(tlvs[ROCKER_TLV_TX_FRAG_ATTR_LEN]);
|
||||
|
||||
+ if (iovcnt >= ROCKER_TX_FRAGS_MAX) {
|
||||
+ goto err_too_many_frags;
|
||||
+ }
|
||||
iov[iovcnt].iov_len = frag_len;
|
||||
iov[iovcnt].iov_base = g_malloc(frag_len);
|
||||
if (!iov[iovcnt].iov_base) {
|
||||
@@ -244,10 +247,7 @@ static int tx_consume(Rocker *r, DescInfo *info)
|
||||
err = -ROCKER_ENXIO;
|
||||
goto err_bad_io;
|
||||
}
|
||||
-
|
||||
- if (++iovcnt > ROCKER_TX_FRAGS_MAX) {
|
||||
- goto err_too_many_frags;
|
||||
- }
|
||||
+ iovcnt++;
|
||||
}
|
||||
|
||||
if (iovcnt) {
|
||||
--
|
||||
2.6.3
|
||||
|
||||
|
|
@ -1,48 +0,0 @@
|
|||
From aa7f9966dfdff500bbbf1956d9e115b1fa8987a6 Mon Sep 17 00:00:00 2001
|
||||
From: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Date: Thu, 31 Dec 2015 17:05:27 +0530
|
||||
Subject: [PATCH] net: ne2000: fix bounds check in ioport operations
|
||||
|
||||
While doing ioport r/w operations, ne2000 device emulation suffers
|
||||
from OOB r/w errors. Update respective array bounds check to avoid
|
||||
OOB access.
|
||||
|
||||
Reported-by: Ling Liu <liuling-it@360.cn>
|
||||
Cc: qemu-stable@nongnu.org
|
||||
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Signed-off-by: Jason Wang <jasowang@redhat.com>
|
||||
---
|
||||
hw/net/ne2000.c | 10 ++++++----
|
||||
1 file changed, 6 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
|
||||
index 010f9ef..a3dffff 100644
|
||||
--- a/hw/net/ne2000.c
|
||||
+++ b/hw/net/ne2000.c
|
||||
@@ -467,8 +467,9 @@ static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr,
|
||||
uint32_t val)
|
||||
{
|
||||
addr &= ~1; /* XXX: check exact behaviour if not even */
|
||||
- if (addr < 32 ||
|
||||
- (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
|
||||
+ if (addr < 32
|
||||
+ || (addr >= NE2000_PMEM_START
|
||||
+ && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) {
|
||||
stl_le_p(s->mem + addr, val);
|
||||
}
|
||||
}
|
||||
@@ -497,8 +498,9 @@ static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr)
|
||||
static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr)
|
||||
{
|
||||
addr &= ~1; /* XXX: check exact behaviour if not even */
|
||||
- if (addr < 32 ||
|
||||
- (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
|
||||
+ if (addr < 32
|
||||
+ || (addr >= NE2000_PMEM_START
|
||||
+ && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) {
|
||||
return ldl_le_p(s->mem + addr);
|
||||
} else {
|
||||
return 0xffffffff;
|
||||
--
|
||||
2.6.3
|
||||
|
||||
|
|
@ -1,39 +0,0 @@
|
|||
From 4ab0359a8ae182a7ac5c99609667273167703fab Mon Sep 17 00:00:00 2001
|
||||
From: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Date: Mon, 11 Jan 2016 14:10:42 -0500
|
||||
Subject: [PATCH] ide: ahci: reset ncq object to unused on error
|
||||
|
||||
When processing NCQ commands, AHCI device emulation prepares a
|
||||
NCQ transfer object; To which an aio control block(aiocb) object
|
||||
is assigned in 'execute_ncq_command'. In case, when the NCQ
|
||||
command is invalid, the 'aiocb' object is not assigned, and NCQ
|
||||
transfer object is left as 'used'. This leads to a use after
|
||||
free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'.
|
||||
Reset NCQ transfer object to 'unused' to avoid it.
|
||||
|
||||
[Maintainer edit: s/ACHI/AHCI/ in the commit message. --js]
|
||||
|
||||
Reported-by: Qinghao Tang <luodalongde@gmail.com>
|
||||
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Reviewed-by: John Snow <jsnow@redhat.com>
|
||||
Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com
|
||||
Signed-off-by: John Snow <jsnow@redhat.com>
|
||||
---
|
||||
hw/ide/ahci.c | 1 +
|
||||
1 file changed, 1 insertion(+)
|
||||
|
||||
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
|
||||
index dd1912e..17f1cbd 100644
|
||||
--- a/hw/ide/ahci.c
|
||||
+++ b/hw/ide/ahci.c
|
||||
@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs)
|
||||
ide_state->error = ABRT_ERR;
|
||||
ide_state->status = READY_STAT | ERR_STAT;
|
||||
ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag);
|
||||
+ ncq_tfs->used = 0;
|
||||
}
|
||||
|
||||
static void ncq_finish(NCQTransferState *ncq_tfs)
|
||||
--
|
||||
2.6.3
|
||||
|
||||
|
|
@ -1,65 +0,0 @@
|
|||
From 4c1396cb576c9b14425558b73de1584c7a9735d7 Mon Sep 17 00:00:00 2001
|
||||
From: P J P <ppandit@redhat.com>
|
||||
Date: Fri, 18 Dec 2015 11:35:07 +0530
|
||||
Subject: [PATCH] i386: avoid null pointer dereference
|
||||
|
||||
Hello,
|
||||
|
||||
A null pointer dereference issue was reported by Mr Ling Liu, CC'd here. It
|
||||
occurs while doing I/O port write operations via hmp interface. In that,
|
||||
'current_cpu' remains null as it is not called from cpu_exec loop, which
|
||||
results in the said issue.
|
||||
|
||||
Below is a proposed (tested)patch to fix this issue; Does it look okay?
|
||||
|
||||
===
|
||||
From ae88a4947fab9a148cd794f8ad2d812e7f5a1d0f Mon Sep 17 00:00:00 2001
|
||||
From: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Date: Fri, 18 Dec 2015 11:16:07 +0530
|
||||
Subject: [PATCH] i386: avoid null pointer dereference
|
||||
|
||||
When I/O port write operation is called from hmp interface,
|
||||
'current_cpu' remains null, as it is not called from cpu_exec()
|
||||
loop. This leads to a null pointer dereference in vapic_write
|
||||
routine. Add check to avoid it.
|
||||
|
||||
Reported-by: Ling Liu <liuling-it@360.cn>
|
||||
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Message-Id: <alpine.LFD.2.20.1512181129320.9805@wniryva>
|
||||
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
||||
Signed-off-by: P J P <ppandit@redhat.com>
|
||||
---
|
||||
hw/i386/kvmvapic.c | 15 ++++++++++-----
|
||||
1 file changed, 10 insertions(+), 5 deletions(-)
|
||||
|
||||
diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
|
||||
index c6d34b2..f0922da 100644
|
||||
--- a/hw/i386/kvmvapic.c
|
||||
+++ b/hw/i386/kvmvapic.c
|
||||
@@ -634,13 +634,18 @@ static int vapic_prepare(VAPICROMState *s)
|
||||
static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
|
||||
unsigned int size)
|
||||
{
|
||||
- CPUState *cs = current_cpu;
|
||||
- X86CPU *cpu = X86_CPU(cs);
|
||||
- CPUX86State *env = &cpu->env;
|
||||
- hwaddr rom_paddr;
|
||||
VAPICROMState *s = opaque;
|
||||
+ X86CPU *cpu;
|
||||
+ CPUX86State *env;
|
||||
+ hwaddr rom_paddr;
|
||||
|
||||
- cpu_synchronize_state(cs);
|
||||
+ if (!current_cpu) {
|
||||
+ return;
|
||||
+ }
|
||||
+
|
||||
+ cpu_synchronize_state(current_cpu);
|
||||
+ cpu = X86_CPU(current_cpu);
|
||||
+ env = &cpu->env;
|
||||
|
||||
/*
|
||||
* The VAPIC supports two PIO-based hypercalls, both via port 0x7E.
|
||||
--
|
||||
2.6.3
|
||||
|
||||
|
|
@ -1,95 +0,0 @@
|
|||
From: Laszlo Ersek <lersek@redhat.com>
|
||||
Date: Tue, 19 Jan 2016 14:17:20 +0100
|
||||
Subject: [PATCH] e1000: eliminate infinite loops on out-of-bounds transfer
|
||||
start
|
||||
|
||||
The start_xmit() and e1000_receive_iov() functions implement DMA transfers
|
||||
iterating over a set of descriptors that the guest's e1000 driver
|
||||
prepares:
|
||||
|
||||
- the TDLEN and RDLEN registers store the total size of the descriptor
|
||||
area,
|
||||
|
||||
- while the TDH and RDH registers store the offset (in whole tx / rx
|
||||
descriptors) into the area where the transfer is supposed to start.
|
||||
|
||||
Each time a descriptor is processed, the TDH and RDH register is bumped
|
||||
(as appropriate for the transfer direction).
|
||||
|
||||
QEMU already contains logic to deal with bogus transfers submitted by the
|
||||
guest:
|
||||
|
||||
- Normally, the transmit case wants to increase TDH from its initial value
|
||||
to TDT. (TDT is allowed to be numerically smaller than the initial TDH
|
||||
value; wrapping at or above TDLEN bytes to zero is normal.) The failsafe
|
||||
that QEMU currently has here is a check against reaching the original
|
||||
TDH value again -- a complete wraparound, which should never happen.
|
||||
|
||||
- In the receive case RDH is increased from its initial value until
|
||||
"total_size" bytes have been received; preferably in a single step, or
|
||||
in "s->rxbuf_size" byte steps, if the latter is smaller. However, null
|
||||
RX descriptors are skipped without receiving data, while RDH is
|
||||
incremented just the same. QEMU tries to prevent an infinite loop
|
||||
(processing only null RX descriptors) by detecting whether RDH assumes
|
||||
its original value during the loop. (Again, wrapping from RDLEN to 0 is
|
||||
normal.)
|
||||
|
||||
What both directions miss is that the guest could program TDLEN and RDLEN
|
||||
so low, and the initial TDH and RDH so high, that these registers will
|
||||
immediately be truncated to zero, and then never reassume their initial
|
||||
values in the loop -- a full wraparound will never occur.
|
||||
|
||||
The condition that expresses this is:
|
||||
|
||||
xdh_start >= s->mac_reg[XDLEN] / sizeof(desc)
|
||||
|
||||
i.e., TDH or RDH start out after the last whole rx or tx descriptor that
|
||||
fits into the TDLEN or RDLEN sized area.
|
||||
|
||||
This condition could be checked before we enter the loops, but
|
||||
pci_dma_read() / pci_dma_write() knows how to fill in buffers safely for
|
||||
bogus DMA addresses, so we just extend the existing failsafes with the
|
||||
above condition.
|
||||
|
||||
This is CVE-2016-1981.
|
||||
|
||||
Cc: "Michael S. Tsirkin" <mst@redhat.com>
|
||||
Cc: Petr Matousek <pmatouse@redhat.com>
|
||||
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
|
||||
Cc: Prasad Pandit <ppandit@redhat.com>
|
||||
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
|
||||
Cc: Jason Wang <jasowang@redhat.com>
|
||||
Cc: qemu-stable@nongnu.org
|
||||
RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1296044
|
||||
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
|
||||
Reviewed-by: Jason Wang <jasowang@redhat.com>
|
||||
Signed-off-by: Jason Wang <jasowang@redhat.com>
|
||||
(cherry picked from commit dd793a74882477ca38d49e191110c17dfee51dcc)
|
||||
---
|
||||
hw/net/e1000.c | 6 ++++--
|
||||
1 file changed, 4 insertions(+), 2 deletions(-)
|
||||
|
||||
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
|
||||
index bec06e9..34d0823 100644
|
||||
--- a/hw/net/e1000.c
|
||||
+++ b/hw/net/e1000.c
|
||||
@@ -908,7 +908,8 @@ start_xmit(E1000State *s)
|
||||
* bogus values to TDT/TDLEN.
|
||||
* there's nothing too intelligent we could do about this.
|
||||
*/
|
||||
- if (s->mac_reg[TDH] == tdh_start) {
|
||||
+ if (s->mac_reg[TDH] == tdh_start ||
|
||||
+ tdh_start >= s->mac_reg[TDLEN] / sizeof(desc)) {
|
||||
DBGOUT(TXERR, "TDH wraparound @%x, TDT %x, TDLEN %x\n",
|
||||
tdh_start, s->mac_reg[TDT], s->mac_reg[TDLEN]);
|
||||
break;
|
||||
@@ -1165,7 +1166,8 @@ e1000_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
|
||||
if (++s->mac_reg[RDH] * sizeof(desc) >= s->mac_reg[RDLEN])
|
||||
s->mac_reg[RDH] = 0;
|
||||
/* see comment in start_xmit; same here */
|
||||
- if (s->mac_reg[RDH] == rdh_start) {
|
||||
+ if (s->mac_reg[RDH] == rdh_start ||
|
||||
+ rdh_start >= s->mac_reg[RDLEN] / sizeof(desc)) {
|
||||
DBGOUT(RXERR, "RDH wraparound @%x, RDT %x, RDLEN %x\n",
|
||||
rdh_start, s->mac_reg[RDT], s->mac_reg[RDLEN]);
|
||||
set_ics(s, 0, E1000_ICS_RXO);
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
From: John Snow <jsnow@redhat.com>
|
||||
Date: Wed, 10 Feb 2016 13:29:40 -0500
|
||||
Subject: [PATCH] ahci: Do not unmap NULL addresses
|
||||
|
||||
Definitely don't try to unmap a garbage address.
|
||||
|
||||
Reported-by: Zuozhi fzz <zuozhi.fzz@alibaba-inc.com>
|
||||
Signed-off-by: John Snow <jsnow@redhat.com>
|
||||
Message-id: 1454103689-13042-2-git-send-email-jsnow@redhat.com
|
||||
(cherry picked from commit 99b4cb71069f109b79b27bc629fc0cf0886dbc4b)
|
||||
---
|
||||
hw/ide/ahci.c | 8 ++++++++
|
||||
1 file changed, 8 insertions(+)
|
||||
|
||||
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
|
||||
index 17f1cbd..cdc9299 100644
|
||||
--- a/hw/ide/ahci.c
|
||||
+++ b/hw/ide/ahci.c
|
||||
@@ -661,6 +661,10 @@ static bool ahci_map_fis_address(AHCIDevice *ad)
|
||||
|
||||
static void ahci_unmap_fis_address(AHCIDevice *ad)
|
||||
{
|
||||
+ if (ad->res_fis == NULL) {
|
||||
+ DPRINTF(ad->port_no, "Attempt to unmap NULL FIS address\n");
|
||||
+ return;
|
||||
+ }
|
||||
dma_memory_unmap(ad->hba->as, ad->res_fis, 256,
|
||||
DMA_DIRECTION_FROM_DEVICE, 256);
|
||||
ad->res_fis = NULL;
|
||||
@@ -677,6 +681,10 @@ static bool ahci_map_clb_address(AHCIDevice *ad)
|
||||
|
||||
static void ahci_unmap_clb_address(AHCIDevice *ad)
|
||||
{
|
||||
+ if (ad->lst == NULL) {
|
||||
+ DPRINTF(ad->port_no, "Attempt to unmap NULL CLB address\n");
|
||||
+ return;
|
||||
+ }
|
||||
dma_memory_unmap(ad->hba->as, ad->lst, 1024,
|
||||
DMA_DIRECTION_FROM_DEVICE, 1024);
|
||||
ad->lst = NULL;
|
||||
|
|
@ -1,49 +0,0 @@
|
|||
From: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Date: Wed, 20 Jan 2016 01:26:46 +0530
|
||||
Subject: [PATCH] usb: check page select value while processing iTD
|
||||
|
||||
While processing isochronous transfer descriptors(iTD), the page
|
||||
select(PG) field value could lead to an OOB read access. Add
|
||||
check to avoid it.
|
||||
|
||||
Reported-by: Qinghao Tang <luodalongde@gmail.com>
|
||||
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
|
||||
Message-id: 1453233406-12165-1-git-send-email-ppandit@redhat.com
|
||||
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
|
||||
(cherry picked from commit 49d925ce50383a286278143c05511d30ec41a36e)
|
||||
---
|
||||
hw/usb/hcd-ehci.c | 10 ++++++----
|
||||
1 file changed, 6 insertions(+), 4 deletions(-)
|
||||
|
||||
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
|
||||
index d07f228..c40013e 100644
|
||||
--- a/hw/usb/hcd-ehci.c
|
||||
+++ b/hw/usb/hcd-ehci.c
|
||||
@@ -1404,21 +1404,23 @@ static int ehci_process_itd(EHCIState *ehci,
|
||||
if (itd->transact[i] & ITD_XACT_ACTIVE) {
|
||||
pg = get_field(itd->transact[i], ITD_XACT_PGSEL);
|
||||
off = itd->transact[i] & ITD_XACT_OFFSET_MASK;
|
||||
- ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK);
|
||||
- ptr2 = (itd->bufptr[pg+1] & ITD_BUFPTR_MASK);
|
||||
len = get_field(itd->transact[i], ITD_XACT_LENGTH);
|
||||
|
||||
if (len > max * mult) {
|
||||
len = max * mult;
|
||||
}
|
||||
-
|
||||
- if (len > BUFF_SIZE) {
|
||||
+ if (len > BUFF_SIZE || pg > 6) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
+ ptr1 = (itd->bufptr[pg] & ITD_BUFPTR_MASK);
|
||||
qemu_sglist_init(&ehci->isgl, ehci->device, 2, ehci->as);
|
||||
if (off + len > 4096) {
|
||||
/* transfer crosses page border */
|
||||
+ if (pg == 6) {
|
||||
+ return -1; /* avoid page pg + 1 */
|
||||
+ }
|
||||
+ ptr2 = (itd->bufptr[pg + 1] & ITD_BUFPTR_MASK);
|
||||
uint32_t len2 = off + len - 4096;
|
||||
uint32_t len1 = len - len2;
|
||||
qemu_sglist_add(&ehci->isgl, ptr1 + off, len1);
|
||||
|
|
@ -1,34 +0,0 @@
|
|||
From 4b3a4f2d458ca5a7c6c16ac36a8d9ac22cc253d6 Mon Sep 17 00:00:00 2001
|
||||
From: Greg Kurz <gkurz@linux.vnet.ibm.com>
|
||||
Date: Wed, 23 Dec 2015 10:56:58 +0100
|
||||
Subject: [PATCH] virtio-9p: use accessor to get thread_pool
|
||||
|
||||
The aio_context_new() function does not allocate a thread pool. This is
|
||||
deferred to the first call to the aio_get_thread_pool() accessor. It is
|
||||
hence forbidden to access the thread_pool field directly, as it may be
|
||||
NULL. The accessor *must* be used always.
|
||||
|
||||
Fixes: ebac1202c95a4f1b76b6ef3f0f63926fa76e753e
|
||||
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
|
||||
Tested-by: Michael Tokarev <mjt@tls.msk.ru>
|
||||
Cc: qemu-stable@nongnu.org
|
||||
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
|
||||
---
|
||||
hw/9pfs/virtio-9p-coth.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/hw/9pfs/virtio-9p-coth.c b/hw/9pfs/virtio-9p-coth.c
|
||||
index fb6e8f8..ab9425c 100644
|
||||
--- a/hw/9pfs/virtio-9p-coth.c
|
||||
+++ b/hw/9pfs/virtio-9p-coth.c
|
||||
@@ -36,6 +36,6 @@ static int coroutine_enter_func(void *arg)
|
||||
void co_run_in_worker_bh(void *opaque)
|
||||
{
|
||||
Coroutine *co = opaque;
|
||||
- thread_pool_submit_aio(qemu_get_aio_context()->thread_pool,
|
||||
+ thread_pool_submit_aio(aio_get_thread_pool(qemu_get_aio_context()),
|
||||
coroutine_enter_func, co, coroutine_enter_cb, co);
|
||||
}
|
||||
--
|
||||
2.6.3
|
||||
|
||||
|
|
@ -1,6 +1,7 @@
|
|||
;;; GNU Guix --- Functional package management for GNU
|
||||
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
|
||||
;;; Copyright © 2015, 2016 Mark H Weaver <mhw@netris.org>
|
||||
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
|
||||
;;;
|
||||
;;; This file is part of GNU Guix.
|
||||
;;;
|
||||
|
|
@ -54,27 +55,14 @@ (define (qemu-patch commit file-name sha256)
|
|||
(define-public qemu
|
||||
(package
|
||||
(name "qemu")
|
||||
(version "2.5.0")
|
||||
(version "2.5.1")
|
||||
(source (origin
|
||||
(method url-fetch)
|
||||
(uri (string-append "http://wiki.qemu-project.org/download/qemu-"
|
||||
version ".tar.bz2"))
|
||||
(sha256
|
||||
(base32
|
||||
"1m3j6xl7msrniidkvr5pw9d44yba5m7hm42xz8xy77v105s8hhrl"))
|
||||
(patches (search-patches
|
||||
"qemu-virtio-9p-use-accessor-to-get-thread-pool.patch"
|
||||
"qemu-CVE-2015-8558.patch"
|
||||
"qemu-CVE-2015-8567.patch"
|
||||
"qemu-CVE-2016-1922.patch"
|
||||
"qemu-CVE-2015-8613.patch"
|
||||
"qemu-CVE-2015-8701.patch"
|
||||
"qemu-CVE-2015-8743.patch"
|
||||
"qemu-CVE-2016-1568.patch"
|
||||
"qemu-CVE-2015-8619.patch"
|
||||
"qemu-CVE-2016-1981.patch"
|
||||
"qemu-usb-ehci-oob-read.patch"
|
||||
"qemu-CVE-2016-2197.patch"))))
|
||||
"0b2xa8604absdmzpcyjs7fix19y5blqmgflnwjzsp1mp7g1m51q2"))))
|
||||
(build-system gnu-build-system)
|
||||
(arguments
|
||||
'(#:phases (alist-replace
|
||||
|
|
|
|||
Loading…
Reference in a new issue