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Message #06683
[Bug 1597971] Re: kernel: signal return with invalid floating-point control
This bug was fixed in the package linux - 4.4.0-34.53
---------------
linux (4.4.0-34.53) xenial; urgency=low
[ Seth Forshee ]
* Release Tracking Bug
- LP: #1606960
* [APL][SAUCE] Slow system response time due to a monitor bug (LP: #1606147)
- x86/cpu/intel: Introduce macros for Intel family numbers
- SAUCE: x86/cpu: Add workaround for MONITOR instruction erratum on Goldmont
based CPUs
linux (4.4.0-33.52) xenial; urgency=low
[ Seth Forshee ]
* Release Tracking Bug
- LP: #1605709
* [regression] NFS client: access problems after updating to kernel
4.4.0-31-generic (LP: #1603719)
- SAUCE: (namespace) Bypass sget() capability check for nfs
linux (4.4.0-32.51) xenial; urgency=low
[ Seth Forshee ]
* Release Tracking Bug
- LP: #1604443
* thinkpad yoga 260 wacom touchscreen not working (LP: #1603975)
- HID: wacom: break out parsing of device and registering of input
- HID: wacom: Initialize hid_data.inputmode to -1
- HID: wacom: Support switching from vendor-defined device mode on G9 and G11
* changelog: add CVEs as first class citizens (LP: #1604344)
- use CVE numbers in changelog
* [Xenial] Include Huawei PCIe SSD hio kernel driver (LP: #1603483)
- SAUCE: import Huawei ES3000_V2 (2.1.0.23)
- SAUCE: hio: bio_endio() no longer takes errors arg
- SAUCE: hio: blk_queue make_request_fn now returns a blk_qc_t
- SAUCE: hio: use alloc_cpumask_var to avoid -Wframe-larger-than
- SAUCE: hio: fix mask maybe-uninitialized warning
- [config] enable CONFIG_HIO (Huawei ES3000_V2 PCIe SSD driver)
- SAUCE: hio: Makefile and Kconfig
* CVE-2016-5243 (LP: #1589036)
- tipc: fix an infoleak in tipc_nl_compat_link_dump
- tipc: fix nl compat regression for link statistics
* CVE-2016-4470
- KEYS: potential uninitialized variable
* integer overflow in xt_alloc_table_info (LP: #1555353)
- netfilter: x_tables: check for size overflow
* CVE-2016-3135:
- Revert "UBUNTU: SAUCE: (noup) netfilter: x_tables: check for size overflow"
* CVE-2016-4440 (LP: #1584192)
- kvm:vmx: more complete state update on APICv on/off
* the system hangs in the dma driver when reboot or shutdown on a baytrail-m
laptop (LP: #1602579)
- dmaengine: dw: platform: power on device on shutdown
- ACPI / LPSS: override power state for LPSS DMA device
* Add proper palm detection support for MS Precision Touchpad (LP: #1593124)
- Revert "HID: multitouch: enable palm rejection if device implements
confidence usage"
- HID: multitouch: enable palm rejection for Windows Precision Touchpad
* Add support for Intel 8265 Bluetooth ([8087:0A2B]) (LP: #1599068)
- Bluetooth: Add support for Intel Bluetooth device 8265 [8087:0a2b]
* CVE-2016-4794 (LP: #1581871)
- percpu: fix synchronization between chunk->map_extend_work and chunk
destruction
- percpu: fix synchronization between synchronous map extension and chunk
destruction
* Xenial update to v4.4.15 stable release (LP: #1601952)
- net_sched: fix pfifo_head_drop behavior vs backlog
- net: Don't forget pr_fmt on net_dbg_ratelimited for CONFIG_DYNAMIC_DEBUG
- sit: correct IP protocol used in ipip6_err
- esp: Fix ESN generation under UDP encapsulation
- netem: fix a use after free
- ipmr/ip6mr: Initialize the last assert time of mfc entries.
- Bridge: Fix ipv6 mc snooping if bridge has no ipv6 address
- sock_diag: do not broadcast raw socket destruction
- bpf, perf: delay release of BPF prog after grace period
- neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
- net: macb: fix default configuration for GMAC on AT91
- net: alx: Work around the DMA RX overflow issue
- bpf: try harder on clones when writing into skb
- AX.25: Close socket connection on session completion
- crypto: ux500 - memmove the right size
- crypto: user - re-add size check for CRYPTO_MSG_GETALG
- USB: uas: Fix slave queue_depth not being set
- usb: quirks: Fix sorting
- usb: quirks: Add no-lpm quirk for Acer C120 LED Projector
- usb: musb: only restore devctl when session was set in backup
- usb: musb: Stop bulk endpoint while queue is rotated
- usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
- usb: musb: host: correct cppi dma channel for isoch transfer
- usb: xhci-plat: properly handle probe deferral for devm_clk_get()
- USB: xhci: Add broken streams quirk for Frescologic device id 1009
- xhci: Fix handling timeouted commands on hosts in weird states.
- USB: mos7720: delete parport
- usb: gadget: fix spinlock dead lock in gadgetfs
- usb: host: ehci-tegra: Grab the correct UTMI pads reset
- usb: dwc3: exynos: Fix deferred probing storm.
- Linux 4.4.15
* qeth: delete napi struct when removing a qeth device (LP: #1601831)
- qeth: delete napi struct when removing a qeth device
* Adjust KBL PCI-ID's (LP: #1600124)
- drm/i915: Add more Kabylake PCI IDs.
- drm/i915: Removing PCI IDs that are no longer listed as Kabylake.
* [i915_bpo] Rebase driver to v4.7-rc6 + gen9 workarounds + KBP PCH support
(LP: #1599109)
- drm/kms_helper: Add a common place to call init and exit functions.
- drm: Add helper for DP++ adaptors
- GPU-DRM: Delete unnecessary checks before drm_property_unreference_blob()
- drm: introduce pipe color correction properties
- drm: fix blob pointer check
- drm: atomic helper: do not unreference error pointer
- drm: fix lut value extraction function
- drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format
- SAUCE: drm: Introduce drm_malloc_gfp()
- SAUCE: i915_bpo: Rebase to v4.7-rc6
- SAUCE: i915_bpo: Add backported workarounds for gen9
- SAUCE: i915_bpo: Revert "drm/i915: Get panel_type from OpRegion panel
details"
- SAUCE: i915_bpo: Introduce Kabypoint PCH for Kabylake H/DT.
* Baytrail-I got black screen with HDMI output (LP: #1599379)
- drm/i915: Only ignore eDP ports that are connected
- drm/i915: Check VBT for port presence in addition to the strap on VLV/CHV
* [Hyper-V] storvsc messages for CD-ROM medium not present tray closed
(LP: #1590655)
- SAUCE: (no-up) scsi: storvsc: Filter out storvsc messages CD-ROM medium not
present
* Hotplug device addition issue - missing patches on Xenial kernel
(LP: #1599250)
- Revert "UBUNTU: SAUCE: powerpc/eeh: Validate arch in eeh_add_device_early()"
- Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
- powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
- powerpc/pseries: Fix PCI config address for DDW
* kernel: signal return with invalid floating-point control (LP: #1597971)
- s390: fix test_fp_ctl inline assembly contraints
* [Toshiba P50W-B00F] Touchscreen no longer working (LP: #1498667)
- SAUCE: (no-up) usb: quirks: Add no-lpm quirk for Elan Microelectronics
Touchpad
* [yakkety] d-i does not support (ehci_msm) Qualcomm On-Chip EHCI Host
Controller (LP: #1599347)
- d-i: Add ehci_msm to usb-modules
* [Bug] Legacy audio couldn't work after S3 resume on Kabylake (LP: #1596871)
- ALSA: hda - Skip ELD notification during PM process
- ALSA: hda - hdmi add wmb barrier for audio component
- ALSA: hda - hdmi defer to register acomp eld notifier
* sync spl 0.6.5.6-0ubuntu4 changes into Xenial kernel source (LP: #1599257)
- SAUCE: (noup) Update spl to 0.6.5.6-0ubuntu4
* Config: missing AMD Seattle platform support (LP: #1597574)
- [Config] Enable the AMD Seattle platform
* Network installer fails to detect network on AMD Overdrive (ARM64)
(LP: #1597573)
- [Config] Add amd-xgbe to nic-modules udeb
* exercising ptys causes a kernel oops (LP: #1586418)
- devpts: fix null pointer dereference on failed memory allocation
* Regression (constant vibration of device) in xpad driver in Ubuntu 16.04
(LP: #1574102)
- Input: xpad - move pending clear to the correct location
* thunderx nics fail to establish link (LP: #1597867)
- net: thunderx: Fix link status reporting
* Xenial update to v4.4.14 stable release (LP: #1596575)
- scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands
- scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
- netlink: Fix dump skb leak/double free
- tipc: fix nametable publication field in nl compat
- switchdev: pass pointer to fib_info instead of copy
- tuntap: correctly wake up process during uninit
- udp: prevent skbs lingering in tunnel socket queues
- uapi glibc compat: fix compilation when !__USE_MISC in glibc
- sfc: on MC reset, clear PIO buffer linkage in TXQs
- team: don't call netdev_change_features under team->lock
- vxlan: Accept user specified MTU value when create new vxlan link
- tcp: record TLP and ER timer stats in v6 stats
- bridge: Don't insert unnecessary local fdb entry on changing mac address
- l2tp: fix configuration passed to setup_udp_tunnel_sock()
- ipv6: Skip XFRM lookup if dst_entry in socket cache is valid
- vxlan: Relax MTU constraints
- geneve: Relax MTU constraints
- vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices
- KVM: x86: fix OOPS after invalid KVM_SET_DEBUGREGS
- KVM: irqfd: fix NULL pointer dereference in kvm_irq_map_gsi
- ALSA: hda - Add PCI ID for Kabylake
- ALSA: hda - Fix headset mic detection problem for Dell machine
- ALSA: hda/realtek - ALC256 speaker noise issue
- ALSA: hda/realtek - Add support for new codecs ALC700/ALC701/ALC703
- ALSA: hda/realtek: Add T560 docking unit fixup
- ARM: fix PTRACE_SETVFPREGS on SMP systems
- gpio: bcm-kona: fix bcm_kona_gpio_reset() warnings
- s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop
- s390/bpf: reduce maximum program size to 64 KB
- irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask
- crypto: public_key: select CRYPTO_AKCIPHER
- crypto: ccp - Fix AES XTS error for request sizes above 4096
- arm64: Provide "model name" in /proc/cpuinfo for PER_LINUX32 tasks
- arm64: mm: always take dirty state from new pte in ptep_set_access_flags
- powerpc/pseries/eeh: Handle RTAS delay requests in configure_bridge
- powerpc: Fix definition of SIAR and SDAR registers
- powerpc: Use privileged SPR number for MMCR2
- powerpc/pseries: Add POWER8NVL support to ibm,client-architecture-support
call
- pinctrl: mediatek: fix dual-edge code defect
- parisc: Fix pagefault crash in unaligned __get_user() call
- memcg: add RCU locking around css_for_each_descendant_pre() in
memcg_offline_kmem()
- wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel
- x86/entry/traps: Don't force in_interrupt() to return true in IST handlers
- fix d_walk()/non-delayed __d_free() race
- sparc: Fix system call tracing register handling.
- sparc64: Fix bootup regressions on some Kconfig combinations.
- sparc64: Fix numa node distance initialization
- sparc64: Fix sparc64_set_context stack handling.
- sparc/PCI: Fix for panic while enabling SR-IOV
- sparc64: Reduce TLB flushes during hugepte changes
- sparc64: Take ctx_alloc_lock properly in hugetlb_setup().
- sparc: Harden signal return frame checks.
- sparc64: Fix return from trap window fill crashes.
- MIPS: Fix 64k page support for 32 bit kernels.
- crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
- drm/core: Do not preserve framebuffer on rmfb, v4.
- Linux 4.4.14
* [Hyper-V] Rebase Hyper-V to 4.6 kernel (LP: #1583357)
- hv_netvsc: rework link status change handling
- hv_netvsc: Resize some of the variables in hv_netvsc_packet
- hv_netvsc: Rearrange the hv_negtvsc_packet to be space efficient
- hv_netvsc: Eliminate the channel field in hv_netvsc_packet structure
- hv_netvsc: Eliminate rndis_msg pointer from hv_netvsc_packet structure
- hv_netvsc: Eliminatte the data field from struct hv_netvsc_packet
- hv_netvsc: Eliminate send_completion from struct hv_netvsc_packet
- hv_netvsc: Eliminate send_completion_ctx from struct hv_netvsc_packet
- hv_netvsc: Don't ask for additional head room in the skb
- hv_netvsc: move subchannel existence check to netvsc_select_queue()
- hv_netvsc: remove locking in netvsc_send()
- hv_netvsc: Eliminate page_buf from struct hv_netvsc_packet
- hv_netvsc: Eliminate send_completion_tid from struct hv_netvsc_packet
- hv_netvsc: Eliminate is_data_pkt from struct hv_netvsc_packet
- hv_netvsc: Eliminate completion_func from struct hv_netvsc_packet
- hv_netvsc: Eliminate xmit_more from struct hv_netvsc_packet
- hv_netvsc: Eliminate status from struct hv_netvsc_packet
- hv_netvsc: Eliminate vlan_tci from struct hv_netvsc_packet
- storvsc: add logging for error/warning messages
- hv_netvsc: Fix race condition on Multi-Send Data field
- kvm/x86: split ioapic-handled and EOI exit bitmaps
- kvm/x86: per-vcpu apicv deactivation support
- kvm/x86: Hyper-V synthetic interrupt controller
- kvm/x86: Hyper-V kvm exit
- kvm/x86: Rearrange func's declarations inside Hyper-V header
- kvm/x86: Added Hyper-V vcpu_to_hv_vcpu()/hv_vcpu_to_vcpu() helpers
- kvm/x86: Hyper-V internal helper to read MSR HV_X64_MSR_TIME_REF_COUNT
- kvm/x86: Hyper-V SynIC message slot pending clearing at SINT ack
- kvm/x86: Hyper-V SynIC timers
- storvsc: Fix a bug in the layout of the hv_fc_wwn_packet
- storvsc: Properly support Fibre Channel devices
- storvsc: Refactor the code in storvsc_channel_init()
- storvsc: Tighten up the interrupt path
- storvsc: Fix typo in MODULE_PARM_DESC
- Revert "hv_netvsc: use skb_get_hash() instead of a homegrown implementation"
- hv_netvsc: use skb_get_hash() instead of a homegrown implementation
- hv_netvsc: Fix book keeping of skb during batching process
- storvsc: Install the storvsc specific timeout handler for FC devices
- storvsc: Use the specified target ID in device lookup
- Revert "Drivers: hv: vmbus: Cleanup vmbus_set_event()"
- Drivers: hv: vmbus: Cleanup vmbus_set_event()
- Revert "Drivers: hv: vmbus: Eliminate the spin lock on the read path"
- Drivers: hv: vmbus: Eliminate the spin lock on the read path
- Revert "hv_netvsc: cleanup netdev feature flags for netvsc"
- hv_netvsc: cleanup netdev feature flags for netvsc
- hv_netvsc: Restore needed_headroom request
- kvm/x86: Rename Hyper-V long spin wait hypercall
- hv_netvsc: add software transmit timestamp support
- hv_netvsc: add ethtool support for set and get of settings
- hv_netvsc: Fix accessing freed memory in netvsc_change_mtu()
- hv_netvsc: Fix the array sizes to be max supported channels
- hv_netvsc: Fix the order of num_sc_offered decrement
- x86/hyperv: Avoid reporting bogus NMI status for Gen2 instances
- Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()
- Drivers: hv: kvp: fix IP Failover
-- Seth Forshee <seth.forshee@xxxxxxxxxxxxx> Wed, 27 Jul 2016 10:01:20
-0500
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1597971
Title:
kernel: signal return with invalid floating-point control
Status in Linux:
New
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Yakkety:
Fix Released
Bug description:
Please backport:
commit bcf4dd5f9ee096bd1510f838dd4750c35df4e38b
Author: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Date: Mon Jun 27 17:06:45 2016 +0200
s390: fix test_fp_ctl inline assembly contraints
The test_fp_ctl function is used to test if a given value is a valid
floating-point control. The inline assembly in test_fp_ctl uses an
incorrect constraint for the 'orig_fpc' variable. If the compiler
chooses the same register for 'fpc' and 'orig_fpc' the test_fp_ctl()
function always returns true. This allows user space to trigger
kernel oopses with invalid floating-point control values on the
signal stack.
This problem has been introduced with git commit 4725c86055f5bbdcdf
"s390: fix save and restore of the floating-point-control register"
Cc: stable@xxxxxxxxxxxxxxx # v3.13+
Reviewed-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
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