Pull block fixes from Jens Axboe:
"A few fixes for the current series that should go into -rc4. This
contains:
- a fix for a potential corruption of un-started requests from Ming.
- a blk-stat fix from Omar, ensuring we flush the stat batch before
checking nr_samples.
- a set of fixes from Sagi for the nvmeof family"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq: don't complete un-started request in timeout handler
nvme-loop: handle cpu unplug when re-establishing the controller
nvme-rdma: handle cpu unplug when re-establishing the controller
nvmet-rdma: Fix a possible uninitialized variable dereference
nvmet: confirm sq percpu has scheduled and switched to atomic
nvme-loop: fix a possible use-after-free when destroying the admin queue
blk-stat: fix blk_stat_sum() if all samples are batched
reclaim path, tagged for stable.
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Merge tag 'ceph-for-4.11-rc4' of git://github.com/ceph/ceph-client
Pull ceph fix from Ilya Dryomov:
"A fix for a writeback deadlock caused by a GFP_KERNEL allocation on
the reclaim path, tagged for stable"
* tag 'ceph-for-4.11-rc4' of git://github.com/ceph/ceph-client:
libceph: force GFP_NOIO for socket allocations
- A couple of OMAP 4.11 regression fixes, including a boot regression for
SmartReflex, hypervisor mode in thumb2 mode, and reference counting of
device nodes
- A fix for cpu_idle on at91
- Minor DT fixes on across several platforms:
sunxi, bcm53xx, at91, nsp, ns2, ux500, omap
- A fix to correct an API change in the reset controllers
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
- a couple of OMAP 4.11 regression fixes, including a boot regression
for SmartReflex, hypervisor mode in thumb2 mode, and reference
counting of device nodes
- a fix for cpu_idle on at91
- minor DT fixes on across several platforms: sunxi, bcm53xx, at91,
nsp, ns2, ux500, omap
- a fix to correct an API change in the reset controllers
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
arm64: dts: NS2: Add dma-coherent to relevant DT entries
reset: fix optional reset_control_get stubs to return NULL
ARM: sun8i: a23/a33: drop bl_en_pin GPIO pinmux in reference design DTSI
ARM: dts: sun7i: lamobo-r1: Fix CPU port RGMII settings
ARM: dts: NSP: GPIO reboot open-source
ARM: at91: pm: cpu_idle: switch DDR to power-down mode
ARM: dts: add the AB8500 clocks to the device tree
ARM: dts: imx6sx-udoo-neo: Fix reboot hang
ARM: sun8i: Fix the mali clock rate
ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
ARM: dts: BCM5301X: Fix memory start address
ARM: dts: BCM5301X: Fix UARTs on bcm953012k
Revert "ARM: at91/dt: sama5d2: Use new compatible for ohci node"
ARM: OMAP2+: Release device node after it is no longer needed.
ARM: OMAP2+: Fix device node reference counts
ARM: OMAP2+: Remove legacy gpmc-nand.c
ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure
ARM: dts: am335x-pcm953: Fix legacy wakeup source binding
ARM: omap2plus_defconfig: Enable INPUT_MOUSEDEV as loadable modules
ARM: dts: am57xx-idk: tpic2810 is on I2C bus, not SPI
...
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Merge tag 'for-linus-4.11b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Fixes for PM under Xen"
* tag 'for-linus-4.11b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/acpi: upload PM state from init-domain to Xen
xen/acpi: Replace hard coded "ACPI0007"
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"There's a kaslr fix and then two patches to update our native and
compat syscall tables. Arnd asked that we take the addition of statx
to the asm-generic unistd.h via arm64, as he didn't have anything
queued in the asm-generic tree.
Summary:
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kaslr: Fix up the kernel image alignment
arm64: compat: Update compat syscalls
generic syscalls: Wire up statx syscall
Pull crypto fixes from Herbert Xu:
"This fixes regressions in the crypto ccp driver and the hwrng drivers
for amd and geode"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: geode - Revert managed API changes
hwrng: amd - Revert managed API changes
crypto: ccp - Assign DMA commands to the channel's CCP
When vmalloc_user is used to create memory that is supposed to be mmap'd
to user space, it is necessary for the mmap cookie (eg the offset) to be
aligned to SHMLBA.
This creates a situation where all virtual mappings of the same physical
page share the same virtual cache index and guarantees VIPT coherence.
Otherwise the cache is non-coherent and the kernel will not see writes
by userspace when reading the shared page (or vice-versa).
Reported-by: Josh Beavers <josh.beavers@gmail.com>
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
A few fixes piled up:
* Fix a NULL-ptr dereference that happens in VT-d on some
platforms
* A fix for ARM MSI region reporting, so that a sane interface
makes it to a released kernel
* Fixes for leaf-checking in ARM io-page-table code
* Two fixes for IO/TLB flushing code on ARM Exynos platforms
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Merge tag 'iommu-fixes-v4.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
"A few fixes piled up:
- fix a NULL-ptr dereference that happens in VT-d on some platforms
- a fix for ARM MSI region reporting, so that a sane interface makes
it to a released kernel
- fixes for leaf-checking in ARM io-page-table code
- two fixes for IO/TLB flushing code on ARM Exynos platforms"
* tag 'iommu-fixes-v4.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Disambiguate MSI region types
iommu/exynos: Workaround FLPD cache flush issues for SYSMMU v5
iommu/exynos: Block SYSMMU while invalidating FLPD cache
iommu/vt-d: Fix NULL pointer dereference in device_to_iommu
iommu/io-pgtable-arm-v7s: Check for leaf entry before dereferencing it
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it
We need to make sure that the cq work item does not
run when we are destroying the cq. Unlike flush_work,
cancel_work_sync protects against self-requeue of the
work item (which we can do in ib_cq_poll_work).
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>--
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
- Fix initialization of HS400-ES eMMC cards
- A couple of fixes for the mmc block device driver
- Resolved a compiler warning
MMC host:
- sdhci: Do not disable IRQs while waiting for clock
- sdhci-pci: Do not disable IRQs in sdhci_intel_set_power
- sdhci-of-arasan: Fix incorrect timeout clock
- mediatek: Fix bug for setting wrong clock frequency
- sdhci-of-at91: Use regulator to fix cmd timeout errors
- ushc: Fix NULL-deref at probe
- rockchip-dw-mshc: Rename RK1108 to RV1108 in DT
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Merge tag 'mmc-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull mmc fixes from Ulf Hansson:
"Here are a couple of mmc fixes intended for v4.11 rc4.
MMC core:
- Fix initialization of HS400-ES eMMC cards
- A couple of fixes for the mmc block device driver
- Resolved a compiler warning
MMC host:
- sdhci: Do not disable IRQs while waiting for clock
- sdhci-pci: Do not disable IRQs in sdhci_intel_set_power
- sdhci-of-arasan: Fix incorrect timeout clock
- mediatek: Fix bug for setting wrong clock frequency
- sdhci-of-at91: Use regulator to fix cmd timeout errors
- ushc: Fix NULL-deref at probe
- rockchip-dw-mshc: Rename RK1108 to RV1108 in DT"
* tag 'mmc-v4.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-pci: Do not disable interrupts in sdhci_intel_set_power
mmc: sdhci: Do not disable interrupts while waiting for clock
mmc: ushc: fix NULL-deref at probe
mmc: sdhci-of-at91: Support external regulators
mmc: core: mmc_blk_rw_cmd_err - remove unused variable
mmc: mediatek: Fixed bug where clock frequency could be set wrong
mmc: block: Fix cmd error reset failure path
mmc: block: Fix is_waiting_last_req set incorrectly
mmc: core: Fix access to HS400-ES devices
mmc: sdhci-of-arasan: fix incorrect timeout clock
dt-bindings: rockchip-dw-mshc: rename RK1108 to RV1108
MotherBoard section has its "ranges" set to 0xE000_0000-0xF000_0000.
But UIO node maps 4 different areas in different memory locations
and all outside MB's ranges.
That obviously breaks UIO mappings in runtime.
Cc: Ruud Derwig <rderwig@synopsys.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Merge tag 'media/v4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- dvb-usb-firmware: don't do DMA on stack
- coda/imx-vdoa: platform_driver should not be const
- bdisp: Clean up file handle in open() error path
- exynos-gsc: Do not swap cb/cr for semi planar formats
* tag 'media/v4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] exynos-gsc: Do not swap cb/cr for semi planar formats
[media] bdisp: Clean up file handle in open() error path
[media] coda/imx-vdoa: platform_driver should not be const
[media] dvb-usb-firmware: don't do DMA on stack
Netdev notification events are de-registered only when all
client iwdev instances are removed. If a single client is closed
and re-opened, netdev events could arrive even before the Control
Queue-Pair (CQP) is created, causing a NULL pointer dereference crash
in i40iw_get_cqp_request. Fix this by allowing netdev event
notification only after we have reached the INET_NOTIFIER state with
respect to device initialization.
Reported-by: Stefan Assmann <sassmann@redhat.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Merge tag 'drm-fixes-for-v4.11-rc4' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
- one core drm/fbdev regression fix
- a set of i915 fixes including a few GVT related fixes, along with
some reset fixes
- one new PCI id for amdgpu, and some minor workaround regression
fixes
- .. and a set of exynos fixes, dropping support for an old unsupported
SoC, some vblank timing fixes, and an info leak fix
* tag 'drm-fixes-for-v4.11-rc4' of git://people.freedesktop.org/~airlied/linux: (34 commits)
drm/fb-helper: Allow var->x/yres(_virtual) < fb->width/height again
drm/i915: make context status notifier head be per engine
drm/i915: Avoid rcu_barrier() from reclaim paths (shrinker)
drm/exynos/dsi: make te-gpios optional
drm/exynos: Print kernel pointers in a restricted form
drm/exynos/decon5433: fix software trigger mask
drm/exynos/fimd: signal frame done interrupt at front porch
drm/exynos/decon5433: signal frame done interrupt at front porch
drm/exynos/decon5433: fix vblank event handling
drm/exynos: move crtc event handling to drivers callbacks
drm/exynos: Remove support for Exynos4415 (SoC not supported anymore)
drm/exynos/decon5433: & vs | typo
drm/amd/amdgpu: add POLARIS12 PCI ID
drm/i915/gvt: Fix gvt scheduler interval time
drm/i915/gvt: GVT pin/unpin shadow context
drm/i915/gvt: scan shadow indirect context image when valid
drm/i915/kvmgt: fix suspicious rcu dereference usage
drm/i915/gvt: add enable_execlists check before enable gvt
drm/i915/gvt: Remove bogus retry around i915_wait_request
drm/i915/gvt: correct the ggtt valid bit check in pipe control command
...
The clock needs to be stored in the simple_dai structure, so it can
be enabled later on. This has been broken during the conversion to use
devm_* functions for the clk lookup.
Fixes: e984fd61e8 (ASoC: simple-card: use devm_get_clk_from_child())
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
reader->substream is used in IRQ handler for error case but is never set.
Set value to pcm substream on DAI startup and clean it on dai shutdown.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
please pull the following:
- Jon adds missing "dma-coherent" property to the Northstar 2 DTS include file
in order to fix both performance and cache problems for: PCIe, Ethernet,
PDC/mailbox, SATA3 and SDHCI
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Merge tag 'arm-soc/for-4.11/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux into fixes
Pull "Broadcom arm64 Device Tree fixes for 4.11" from Florian Fainelli:
This pull request contains Broadcom ARM64-based SoCs Device Tree fixes for 4.11,
please pull the following:
- Jon adds missing "dma-coherent" property to the Northstar 2 DTS include file
in order to fix both performance and cache problems for: PCIe, Ethernet,
PDC/mailbox, SATA3 and SDHCI
* tag 'arm-soc/for-4.11/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux:
arm64: dts: NS2: Add dma-coherent to relevant DT entries
please pull the following:
- Jon fixes a reboot issue on most Northstar Plus platforms by adding the
"open-source" property to the "gpio-restart" Device Tree nodes
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Merge tag 'arm-soc/for-4.11/devicetree-fixes-2' of http://github.com/Broadcom/stblinux into fixes
Pull "Broadcom arm Device Tree fixes for 4.11 (part 2)" from Florian Fainelli:
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for 4.11,
please pull the following:
- Jon fixes a reboot issue on most Northstar Plus platforms by adding the
"open-source" property to the "gpio-restart" Device Tree nodes
* tag 'arm-soc/for-4.11/devicetree-fixes-2' of http://github.com/Broadcom/stblinux:
ARM: dts: NSP: GPIO reboot open-source
When a new event is queued while processing to resize the FIFO in
snd_seq_fifo_clear(), it may lead to a use-after-free, as the old pool
that is being queued gets removed. For avoiding this race, we need to
close the pool to be deleted and sync its usage before actually
deleting it.
The issue was spotted by syzkaller.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
There is a new clone of the XIN MO arcade controller which has same issue with
out of range like the original. This fix will solve the issue where 2
directions on the joystick are not recognized by the new THT 2P arcade
controller with device ID 0x75e1. In details the new device ID is added the
hid-id list and the hid-xinmo source code.
Signed-off-by: Peter Stein <peter@stuntstein.dk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
In the generic XTS and LRW algorithms, for input data > 128 bytes, a
temporary buffer is allocated to hold the values to be XOR'ed with the
data before and after encryption or decryption. If the allocation
fails, the fixed-size buffer embedded in the request buffer is meant to
be used as a fallback --- resulting in more calls to the ECB algorithm,
but still producing the correct result. However, we weren't correctly
limiting subreq->cryptlen in this case, resulting in pre_crypt()
overrunning the embedded buffer. Fix this by setting subreq->cryptlen
correctly.
Fixes: f1c131b454 ("crypto: xts - Convert to skcipher")
Fixes: 700cb3f5fe ("crypto: lrw - Convert to skcipher")
Cc: stable@vger.kernel.org # v4.10+
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The CCP registers its queues as channels capable of handling
general DMA operations. The NTB driver will use DMA if
directed, but as public channels can be reserved for use in
asynchronous operations some channels should be held back
as private. Since the public/private determination is
handled at a device level, reserve the "other" (secondary)
CCP channels as private.
Add a module parameter that allows for override, to be
applied to all channels on all devices.
CC: <stable@vger.kernel.org> # 4.10.x-
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Under extremely heavy uses of padata, crashes occur, and with list
debugging turned on, this happens instead:
[87487.298728] WARNING: CPU: 1 PID: 882 at lib/list_debug.c:33
__list_add+0xae/0x130
[87487.301868] list_add corruption. prev->next should be next
(ffffb17abfc043d0), but was ffff8dba70872c80. (prev=ffff8dba70872b00).
[87487.339011] [<ffffffff9a53d075>] dump_stack+0x68/0xa3
[87487.342198] [<ffffffff99e119a1>] ? console_unlock+0x281/0x6d0
[87487.345364] [<ffffffff99d6b91f>] __warn+0xff/0x140
[87487.348513] [<ffffffff99d6b9aa>] warn_slowpath_fmt+0x4a/0x50
[87487.351659] [<ffffffff9a58b5de>] __list_add+0xae/0x130
[87487.354772] [<ffffffff9add5094>] ? _raw_spin_lock+0x64/0x70
[87487.357915] [<ffffffff99eefd66>] padata_reorder+0x1e6/0x420
[87487.361084] [<ffffffff99ef0055>] padata_do_serial+0xa5/0x120
padata_reorder calls list_add_tail with the list to which its adding
locked, which seems correct:
spin_lock(&squeue->serial.lock);
list_add_tail(&padata->list, &squeue->serial.list);
spin_unlock(&squeue->serial.lock);
This therefore leaves only place where such inconsistency could occur:
if padata->list is added at the same time on two different threads.
This pdata pointer comes from the function call to
padata_get_next(pd), which has in it the following block:
next_queue = per_cpu_ptr(pd->pqueue, cpu);
padata = NULL;
reorder = &next_queue->reorder;
if (!list_empty(&reorder->list)) {
padata = list_entry(reorder->list.next,
struct padata_priv, list);
spin_lock(&reorder->lock);
list_del_init(&padata->list);
atomic_dec(&pd->reorder_objects);
spin_unlock(&reorder->lock);
pd->processed++;
goto out;
}
out:
return padata;
I strongly suspect that the problem here is that two threads can race
on reorder list. Even though the deletion is locked, call to
list_entry is not locked, which means it's feasible that two threads
pick up the same padata object and subsequently call list_add_tail on
them at the same time. The fix is thus be hoist that lock outside of
that block.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Commit 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76
device variant") update the omap_rng Device Tree binding to add support
for the IP-76 variation of the IP. As part of this change, a "clocks"
property was added, but is indicated as "Required", without indicated
it's actually only required for some compatible strings.
This commit fixes that, by explicitly stating that the clocks property
is only required with the inside-secure,safexcel-eip76 compatible
string.
Fixes: 52060836f7 ("dt-bindings: omap-rng: Document SafeXcel IP-76 device variant")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The spec for the pca9546 was missing. This chip is the same as the pca9545
except that it lacks interrupt lines. While the i2c_device_id table mapped
the pca9546 to the pca9545 definition the compatible table did not.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Peter Rosin <peda@axentia.se>
Currently KASLR is enabled on three regions: the direct mapping of physical
memory, vamlloc and vmemmap. However the EFI region is also mistakenly
included for VA space randomization because of misusing EFI_VA_START macro
and assuming EFI_VA_START < EFI_VA_END.
(This breaks kexec and possibly other things that rely on stable addresses.)
The EFI region is reserved for EFI runtime services virtual mapping which
should not be included in KASLR ranges. In Documentation/x86/x86_64/mm.txt,
we can see:
ffffffef00000000 - fffffffeffffffff (=64 GB) EFI region mapping space
EFI uses the space from -4G to -64G thus EFI_VA_START > EFI_VA_END,
Here EFI_VA_START = -4G, and EFI_VA_END = -64G.
Changing EFI_VA_START to EFI_VA_END in mm/kaslr.c fixes this problem.
Signed-off-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Bhupesh Sharma <bhsharma@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
Acked-by: Thomas Garnier <thgarnie@google.com>
Cc: <stable@vger.kernel.org> #4.8+
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1490331592-31860-1-git-send-email-bhe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit:
aa1f1a6396 ("lib/syscall: Pin the task stack in collect_syscall()")
... added logic to handle a process stack not existing, but left sp and pc
uninitialized, which can be later reported via /proc/$pid/syscall for zombie
processes, potentially exposing kernel memory to userspace.
Zombie /proc/$pid/syscall before:
-1 0xffffffff9a060100 0xffff92f42d6ad900
Zombie /proc/$pid/syscall after:
-1 0x0 0x0
Reported-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org # v4.9+
Fixes: aa1f1a6396 ("lib/syscall: Pin the task stack in collect_syscall()")
Link: http://lkml.kernel.org/r/20170323224616.GA92694@beast
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Make intel_pstate use one set of global P-state limits in the
active mode regardless of the scaling_governor settings for
individual CPUs instead of switching back and forth between two
of them in a way that is hard to control (Rafael Wysocki).
- Drop a useless function from intel_pstate to prevent it from
modifying the maximum supported frequency value unexpectedly
which may confuse the cpufreq core (Rafael Wysocki).
- Fix the cpufreq core to restore policy limits on CPU online so
that the limits are not reset over system suspend/resume, among
other things (Viresh Kumar).
- Fix the initialization of the schedutil cpufreq governor to
make the IO-wait boosting mechanism in it actually work on
systems with one CPU per cpufreq policy (Rafael Wysocki).
- Add a sanity check to the cpuidle core to prevent crashes from
happening if the architecture code initialization fails to set
up things as expected (Vaidyanathan Srinivasan).
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Merge tag 'pm-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"One of these is an intel_pstate regression fix and it is not a small
change, but it mostly removes code that shouldn't be there. That code
was acquired by mistake and has been a source of constant pain since
then, so the time has come to get rid of it finally. We have not seen
problems with this change in the lab, so fingers crossed.
The rest is more usual: one more intel_pstate commit removing useless
code, a cpufreq core fix to make it restore policy limits on CPU
online (which prevents the limits from being reset over system
suspend/resume), a schedutil cpufreq governor initialization fix to
make it actually work as advertised on all systems and an extra sanity
check in the cpuidle core to prevent crashes from happening if the
arch code messes things up.
Specifics:
- Make intel_pstate use one set of global P-state limits in the
active mode regardless of the scaling_governor settings for
individual CPUs instead of switching back and forth between two of
them in a way that is hard to control (Rafael Wysocki).
- Drop a useless function from intel_pstate to prevent it from
modifying the maximum supported frequency value unexpectedly which
may confuse the cpufreq core (Rafael Wysocki).
- Fix the cpufreq core to restore policy limits on CPU online so that
the limits are not reset over system suspend/resume, among other
things (Viresh Kumar).
- Fix the initialization of the schedutil cpufreq governor to make
the IO-wait boosting mechanism in it actually work on systems with
one CPU per cpufreq policy (Rafael Wysocki).
- Add a sanity check to the cpuidle core to prevent crashes from
happening if the architecture code initialization fails to set up
things as expected (Vaidyanathan Srinivasan)"
* tag 'pm-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Restore policy min/max limits on CPU online
cpuidle: Validate cpu_dev in cpuidle_add_sysfs()
cpufreq: intel_pstate: Fix policy data management in passive mode
cpufreq: schedutil: Fix per-CPU structure initialization in sugov_start()
cpufreq: intel_pstate: One set of global limits in active mode
Pull input fixes from Dmitry Torokhov:
"Fixes to various USB drivers to validate existence of endpoints before
trying to use them, fixes to APLS v8 protocol, and a couple of i8042
quirks"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ALPS - fix trackstick button handling on V8 devices
Input: ALPS - fix V8+ protocol handling (73 03 28)
Input: sur40 - validate number of endpoints before using them
Input: kbtab - validate number of endpoints before using them
Input: hanwang - validate number of endpoints before using them
Input: yealink - validate number of endpoints before using them
Input: ims-pcu - validate number of endpoints before using them
Input: cm109 - validate number of endpoints before using them
Input: iforce - validate number of endpoints before using them
Input: elan_i2c - add ASUS EeeBook X205TA special touchpad fw
Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list
Input: synaptics-rmi4 - prevent null pointer dereference in f30
Input: i8042 - add noloop quirk for Dell Embedded Box PC 3000
A few small fixes for 4.11
* 'drm-fixes-4.11' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/amdgpu: add POLARIS12 PCI ID
drm/amdgpu: fix the clearing wb size
drm/amdgpu: reinstate oland workaround for sclk
drm/radeon: reinstate oland workaround for sclk
One fbdev regression fix from Michel
* tag 'drm-misc-fixes-2017-03-23' of git://anongit.freedesktop.org/git/drm-misc:
drm/fb-helper: Allow var->x/yres(_virtual) < fb->width/height again
Just several fixups,
- fix page fault and vblank timeout issues due to delayed vblank handling.
- fix panel driver probing to fail without te-gpios property.
- fix potential security hole by using "%pK" format.
- fix wrong if statement condition.
And one cleanup which removes Exynos4415 SoC support which is not supported
anymore.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos/dsi: make te-gpios optional
drm/exynos: Print kernel pointers in a restricted form
drm/exynos/decon5433: fix software trigger mask
drm/exynos/fimd: signal frame done interrupt at front porch
drm/exynos/decon5433: signal frame done interrupt at front porch
drm/exynos/decon5433: fix vblank event handling
drm/exynos: move crtc event handling to drivers callbacks
drm/exynos: Remove support for Exynos4415 (SoC not supported anymore)
drm/exynos/decon5433: & vs | typo
* pm-cpufreq-fixes:
cpufreq: Restore policy min/max limits on CPU online
* pm-cpufreq-sched-fixes:
cpufreq: schedutil: Fix per-CPU structure initialization in sugov_start()
* intel_pstate-fixes:
cpufreq: intel_pstate: Fix policy data management in passive mode
cpufreq: intel_pstate: One set of global limits in active mode
A few fixes for a bunch of clocks on a few SoCs. The most important one is
probably one that fixes the NKMP clock frequency calculation and could end
up with clocking the CPU frequency to out of bounds rates.
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Merge tag 'sunxi-clk-fixes-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-fixes
Pull Allwinner clock fixes from Maxime Ripard:
A few fixes for a bunch of clocks on a few SoCs. The most important one is
probably one that fixes the NKMP clock frequency calculation and could end
up with clocking the CPU frequency to out of bounds rates.
* tag 'sunxi-clk-fixes-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
clk: sunxi-ng: fix recalc_rate formula of NKMP clocks
clk: sunxi-ng: Fix div/mult settings for osc12M on A64
clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock
clk: sunxi: ccu-sun5i needs nkmp
clk: sunxi-ng: mp: Adjust parent rate for pre-dividers
During early days of PCI quirks support, ThunderX firmware did not provide
PNP0c02 node with PCI configuration space and PEM-specific register ranges.
This means that for legacy FW we are not reserving these resources and
cannot gather PEM-specific resources for further PEM initialization.
To support already deployed legacy FW, calculate PEM-specific ranges and
provide resources reservation as fallback scenario into PEM driver when we
could not gather PEM reg base from ACPI tables.
Tested-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev@caviumnetworks.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Robert Richter <rrichter@cavium.com>
CC: stable@vger.kernel.org # v4.10+
"CAV" is the only PNP/ACPI hardware ID vendor prefix assigned to Cavium so
fix this as it should be from day one.
Fixes: 44f22bd91e ("PCI: Add MCFG quirks for Cavium ThunderX pass2.x host controller")
Tested-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Tomasz Nowicki <tn@semihalf.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Robert Richter <rrichter@cavium.com>
CC: stable@vger.kernel.org # v4.10+
Let's stop using !!x to reduce value of trackstick button expression to 0/1
and use shift instead. This removes the following sparse warning:
CHECK drivers/input/mouse/synaptics.c
drivers/input/mouse/synaptics.c:943:79: warning: dubious: !x | y
Also, the bits we are testing are not capabilities, so lets drop "_CAP"
suffix from macro names.
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.
But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.
The compatible strings don't have a vendor prefix because that's how it's
used currently, and changing this will be a Device Tree ABI break.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.
But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.
But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.
As pointed by Hans de Goede, there's no mssl1680 and this is just used in
some ACPI systems to identify the gsl1680 chip. So isn't included in the
OF device ID table since a DT should use the proper device name instead.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
In ACPI world any ID should be carefully chosen and registered
officially. The commit bbf9d262a1 seems did a wrong assumption because
PCA is the registered PNP ID for "PHILIPS BU ADD ON CARD". I'm pretty
sure this prefix has nothing to do with the driver in question.
Moreover, newer ACPI specification has a support of _DSD method and
special device IDs to allow drivers be enumerated via compatible string.
The slight change to support this kind of enumeration will be added in
sequential patch against pca954x.c.
Revert the commit bbf9d262a1 for good.
Cc: Tin Huynh <tnhuynh@apm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
Some more device ids for option and qcserial.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.11-rc4
Some more device ids for option and qcserial.
Signed-off-by: Johan Hovold <johan@kernel.org>
f_acm got an endianness fix by Oliver Neukum. This has been around for a
long time but it's finally fixed.
f_hid learned that it should never access hidg->req without first
grabbing the spinlock.
Roger Quadros fixed two bugs in the f_uvc function driver.
Janusz Dziedzic fixed a very peculiar bug with EP0, one that's rather
difficult to trigger. When we're dealing with bounced EP0 requests, we
should delay unmap until after ->complete() is called.
UDC class got a use-after-free fix.
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Merge tag 'fixes-for-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.11-rc4
f_acm got an endianness fix by Oliver Neukum. This has been around for a
long time but it's finally fixed.
f_hid learned that it should never access hidg->req without first
grabbing the spinlock.
Roger Quadros fixed two bugs in the f_uvc function driver.
Janusz Dziedzic fixed a very peculiar bug with EP0, one that's rather
difficult to trigger. When we're dealing with bounced EP0 requests, we
should delay unmap until after ->complete() is called.
UDC class got a use-after-free fix.
*) Revert USB3 PHY support for Broadcom NSP SoC
*) Fix compiler error on qcom-usb-hs when depends on EXTCON
is not added
*) Fix error handling in phy-exynos-pcie
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.11-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
phy: for 4.11-rc
*) Revert USB3 PHY support for Broadcom NSP SoC
*) Fix compiler error on qcom-usb-hs when depends on EXTCON
is not added
*) Fix error handling in phy-exynos-pcie
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
The latest gcc-7 snapshot adds a warning to point out that when
atk_read_value_old or atk_read_value_new fails, we copy
uninitialized data into sensor->cached_value:
drivers/hwmon/asus_atk0110.c: In function 'atk_input_show':
drivers/hwmon/asus_atk0110.c:651:26: error: 'value' may be used uninitialized in this function [-Werror=maybe-uninitialized]
Adding an error check avoids this. All versions of the driver
are affected.
Fixes: 2c03d07ad5 ("hwmon: Add Asus ATK0110 support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This contains the collection of small fixes for 4.11 that were pending
during my vacation:
- A few HD-audio quirks (more Dell headset support, docking station
support on HP laptops),
- A regression fix for the previous ctxfi DMA mask fix,
- A correction of the new CONFIG_SND_X86 menu entry, and
- A fix for the races in ALSA sequencer core spotted by syzkaller.
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Merge tag 'sound-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains the collection of small fixes for 4.11 that were pending
during my vacation:
- a few HD-audio quirks (more Dell headset support, docking station
support on HP laptops)
- a regression fix for the previous ctxfi DMA mask fix
- a correction of the new CONFIG_SND_X86 menu entry
- a fix for the races in ALSA sequencer core spotted by syzkaller"
* tag 'sound-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Adding a group of pin definition to fix headset problem
ALSA: seq: Fix racy cell insertions during snd_seq_pool_done()
ALSA: x86: Make CONFIG_SND_X86 bool
ALSA: hda - add support for docking station for HP 840 G3
ALSA: hda - add support for docking station for HP 820 G2
ALSA: ctxfi: Fix the incorrect check of dma_set_mask() call
Pull btrfs fixes from Chris Mason:
"Zygo tracked down a very old bug with inline compressed extents.
I didn't tag this one for stable because I want to do individual
tested backports. It's a little tricky and I'd rather do some extra
testing on it along the way"
* 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: add missing memset while reading compressed inline extents
Btrfs: fix regression in lock_delalloc_pages
btrfs: remove btrfs_err_str function from uapi/linux/btrfs.h
Pull networking fixes from David Miller:
1) Several netfilter fixes from Pablo and the crew:
- Handle fragmented packets properly in netfilter conntrack, from
Florian Westphal.
- Fix SCTP ICMP packet handling, from Ying Xue.
- Fix big-endian bug in nftables, from Liping Zhang.
- Fix alignment of fake conntrack entry, from Steven Rostedt.
2) Fix feature flags setting in fjes driver, from Taku Izumi.
3) Openvswitch ipv6 tunnel source address not set properly, from Or
Gerlitz.
4) Fix jumbo MTU handling in amd-xgbe driver, from Thomas Lendacky.
5) sk->sk_frag.page not released properly in some cases, from Eric
Dumazet.
6) Fix RTNL deadlocks in nl80211, from Johannes Berg.
7) Fix erroneous RTNL lockdep splat in crypto, from Herbert Xu.
8) Cure improper inflight handling during AF_UNIX GC, from Andrey
Ulanov.
9) sch_dsmark doesn't write to packet headers properly, from Eric
Dumazet.
10) Fix SCM_TIMESTAMPING_OPT_STATS handling in TCP, from Soheil Hassas
Yeganeh.
11) Add some IDs for Motorola qmi_wwan chips, from Tony Lindgren.
12) Fix nametbl deadlock in tipc, from Ying Xue.
13) GRO and LRO packets not counted correctly in mlx5 driver, from Gal
Pressman.
14) Fix reset of internal PHYs in bcmgenet, from Doug Berger.
15) Fix hashmap allocation handling, from Alexei Starovoitov.
16) nl_fib_input() needs stronger netlink message length checking, from
Eric Dumazet.
17) Fix double-free of sk->sk_filter during sock clone, from Daniel
Borkmann.
18) Fix RX checksum offloading in aquantia driver, from Pavel Belous.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (85 commits)
net:ethernet:aquantia: Fix for RX checksum offload.
amd-xgbe: Fix the ECC-related bit position definitions
sfc: cleanup a condition in efx_udp_tunnel_del()
Bluetooth: btqcomsmd: fix compile-test dependency
inet: frag: release spinlock before calling icmp_send()
tcp: initialize icsk_ack.lrcvtime at session start time
genetlink: fix counting regression on ctrl_dumpfamily()
socket, bpf: fix sk_filter use after free in sk_clone_lock
ipv4: provide stronger user input validation in nl_fib_input()
bpf: fix hashmap extra_elems logic
enic: update enic maintainers
net: bcmgenet: remove bcmgenet_internal_phy_setup()
ipv6: make sure to initialize sockc.tsflags before first use
fjes: Do not load fjes driver if extended socket device is not power on.
fjes: Do not load fjes driver if system does not have extended socket device.
net/mlx5e: Count LRO packets correctly
net/mlx5e: Count GSO packets correctly
net/mlx5: Increase number of max QPs in default profile
net/mlx5e: Avoid supporting udp tunnel port ndo for VF reps
net/mlx5e: Use the proper UAPI values when offloading TC vlan actions
...
No caller currently checks the return value of
kvm_io_bus_unregister_dev(). This is evil, as all callers silently go on
freeing their device. A stale reference will remain in the io_bus,
getting at least used again, when the iobus gets teared down on
kvm_destroy_vm() - leading to use after free errors.
There is nothing the callers could do, except retrying over and over
again.
So let's simply remove the bus altogether, print an error and make
sure no one can access this broken bus again (returning -ENOMEM on any
attempt to access it).
Fixes: e93f8a0f82 ("KVM: convert io_bus to SRCU")
Cc: stable@vger.kernel.org # 3.4+
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
