[app-emulation/qemu] sync with tree
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50
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8558.patch
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50
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8558.patch
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@ -0,0 +1,50 @@
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https://bugs.gentoo.org/568246
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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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2.6.2
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95
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8567.patch
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95
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8567.patch
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https://bugs.gentoo.org/567868
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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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2.6.2
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49
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8701.patch
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49
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8701.patch
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@ -0,0 +1,49 @@
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https://bugs.gentoo.org/570110
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From 007cd223de527b5f41278f2d886c1a4beb3e67aa Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Mon, 28 Dec 2015 16:24:08 +0530
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Subject: [PATCH] net: rocker: fix an incorrect array bounds check
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While processing transmit(tx) descriptors in 'tx_consume' routine
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the switch emulator suffers from an off-by-one error, if a
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descriptor was to have more than allowed(ROCKER_TX_FRAGS_MAX=16)
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fragments. Fix an incorrect bounds check to avoid it.
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Reported-by: Qinghao Tang <luodalongde@gmail.com>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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---
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hw/net/rocker/rocker.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c
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index c57f1a6..2e77e50 100644
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--- a/hw/net/rocker/rocker.c
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+++ b/hw/net/rocker/rocker.c
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@@ -232,6 +232,9 @@ static int tx_consume(Rocker *r, DescInfo *info)
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frag_addr = rocker_tlv_get_le64(tlvs[ROCKER_TLV_TX_FRAG_ATTR_ADDR]);
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frag_len = rocker_tlv_get_le16(tlvs[ROCKER_TLV_TX_FRAG_ATTR_LEN]);
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+ if (iovcnt >= ROCKER_TX_FRAGS_MAX) {
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+ goto err_too_many_frags;
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+ }
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iov[iovcnt].iov_len = frag_len;
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iov[iovcnt].iov_base = g_malloc(frag_len);
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if (!iov[iovcnt].iov_base) {
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@@ -244,10 +247,7 @@ static int tx_consume(Rocker *r, DescInfo *info)
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err = -ROCKER_ENXIO;
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goto err_bad_io;
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}
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-
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- if (++iovcnt > ROCKER_TX_FRAGS_MAX) {
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- goto err_too_many_frags;
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- }
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+ iovcnt++;
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}
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if (iovcnt) {
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--
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2.6.2
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50
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8743.patch
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50
app-emulation/qemu/files/qemu-2.5.0-CVE-2015-8743.patch
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@ -0,0 +1,50 @@
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https://bugs.gentoo.org/570988
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From aa7f9966dfdff500bbbf1956d9e115b1fa8987a6 Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Thu, 31 Dec 2015 17:05:27 +0530
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Subject: [PATCH] net: ne2000: fix bounds check in ioport operations
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While doing ioport r/w operations, ne2000 device emulation suffers
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from OOB r/w errors. Update respective array bounds check to avoid
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OOB access.
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Reported-by: Ling Liu <liuling-it@360.cn>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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---
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hw/net/ne2000.c | 10 ++++++----
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1 file changed, 6 insertions(+), 4 deletions(-)
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diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c
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index 010f9ef..a3dffff 100644
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--- a/hw/net/ne2000.c
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+++ b/hw/net/ne2000.c
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@@ -467,8 +467,9 @@ static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr,
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uint32_t val)
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{
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addr &= ~1; /* XXX: check exact behaviour if not even */
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- if (addr < 32 ||
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- (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
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+ if (addr < 32
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+ || (addr >= NE2000_PMEM_START
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+ && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) {
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stl_le_p(s->mem + addr, val);
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}
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}
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@@ -497,8 +498,9 @@ static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr)
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static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr)
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{
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addr &= ~1; /* XXX: check exact behaviour if not even */
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- if (addr < 32 ||
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- (addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
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+ if (addr < 32
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+ || (addr >= NE2000_PMEM_START
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+ && addr + sizeof(uint32_t) <= NE2000_MEM_SIZE)) {
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return ldl_le_p(s->mem + addr);
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} else {
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return 0xffffffff;
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--
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2.6.2
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41
app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch
Normal file
41
app-emulation/qemu/files/qemu-2.5.0-CVE-2016-1568.patch
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@ -0,0 +1,41 @@
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https://bugs.gentoo.org/571566
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From 4ab0359a8ae182a7ac5c99609667273167703fab Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Mon, 11 Jan 2016 14:10:42 -0500
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Subject: [PATCH] ide: ahci: reset ncq object to unused on error
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When processing NCQ commands, AHCI device emulation prepares a
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NCQ transfer object; To which an aio control block(aiocb) object
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is assigned in 'execute_ncq_command'. In case, when the NCQ
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command is invalid, the 'aiocb' object is not assigned, and NCQ
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transfer object is left as 'used'. This leads to a use after
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free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'.
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Reset NCQ transfer object to 'unused' to avoid it.
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[Maintainer edit: s/ACHI/AHCI/ in the commit message. --js]
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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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Reviewed-by: John Snow <jsnow@redhat.com>
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Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com
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Signed-off-by: John Snow <jsnow@redhat.com>
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---
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hw/ide/ahci.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
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index dd1912e..17f1cbd 100644
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--- a/hw/ide/ahci.c
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+++ b/hw/ide/ahci.c
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@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs)
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ide_state->error = ABRT_ERR;
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ide_state->status = READY_STAT | ERR_STAT;
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ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag);
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+ ncq_tfs->used = 0;
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}
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static void ncq_finish(NCQTransferState *ncq_tfs)
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--
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2.6.2
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@ -315,6 +315,12 @@ src_prepare() {
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EPATCH_FORCE=yes EPATCH_SUFFIX="patch" EPATCH_SOURCE="${S}/patches" \
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epatch
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epatch "${FILESDIR}"/${P}-CVE-2015-8567.patch #567868
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epatch "${FILESDIR}"/${P}-CVE-2015-8558.patch #568246
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epatch "${FILESDIR}"/${P}-CVE-2015-8701.patch #570110
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epatch "${FILESDIR}"/${P}-CVE-2015-8743.patch #570988
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epatch "${FILESDIR}"/${P}-CVE-2016-1568.patch #571566
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# Fix ld and objcopy being called directly
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tc-export AR LD OBJCOPY
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