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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull key subsystem fixes from James Morris:
"Here are a bunch of fixes for Linux keyrings, including:
- Fix up the refcount handling now that key structs use the
refcount_t type and the refcount_t ops don't allow a 0->1
transition.
- Fix a potential NULL deref after error in x509_cert_parse().
- Don't put data for the crypto algorithms to use on the stack.
- Fix the handling of a null payload being passed to add_key().
- Fix incorrect cleanup an uninitialised key_preparsed_payload in
key_update().
- Explicit sanitisation of potentially secure data before freeing.
- Fixes for the Diffie-Helman code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (23 commits)
KEYS: fix refcount_inc() on zero
KEYS: Convert KEYCTL_DH_COMPUTE to use the crypto KPP API
crypto : asymmetric_keys : verify_pefile:zero memory content before freeing
KEYS: DH: add __user annotations to keyctl_kdf_params
KEYS: DH: ensure the KDF counter is properly aligned
KEYS: DH: don't feed uninitialized "otherinfo" into KDF
KEYS: DH: forbid using digest_null as the KDF hash
KEYS: sanitize key structs before freeing
KEYS: trusted: sanitize all key material
KEYS: encrypted: sanitize all key material
KEYS: user_defined: sanitize key payloads
KEYS: sanitize add_key() and keyctl() key payloads
KEYS: fix freeing uninitialized memory in key_update()
KEYS: fix dereferencing NULL payload with nonzero length
KEYS: encrypted: use constant-time HMAC comparison
KEYS: encrypted: fix race causing incorrect HMAC calculations
KEYS: encrypted: fix buffer overread in valid_master_desc()
KEYS: encrypted: avoid encrypting/decrypting stack buffers
KEYS: put keyring if install_session_keyring_to_cred() fails
KEYS: Delete an error message for a failed memory allocation in get_derived_key()
...
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Commit abb2ea7dfd82 ("compiler, clang: suppress warning for unused
static inline functions") just caused more warnings due to re-defining
the 'inline' macro.
So undef it before re-defining it, and also add the 'notrace' attribute
like the gcc version that this is overriding does.
Maybe this makes clang happier.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull randomness fixes from Ted Ts'o:
"Improve performance by using a lockless update mechanism suggested by
Linus, and make sure we refresh per-CPU entropy returned get_random_*
as soon as the CRNG is initialized"
* tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: invalidate batched entropy after crng init
random: use lockless method of accessing and updating f->reg_idx
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix various bug fixes in ext4 caused by races and memory allocation
failures"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix fdatasync(2) after extent manipulation operations
ext4: fix data corruption for mmap writes
ext4: fix data corruption with EXT4_GET_BLOCKS_ZERO
ext4: fix quota charging for shared xattr blocks
ext4: remove redundant check for encrypted file on dio write path
ext4: remove unused d_name argument from ext4_search_dir() et al.
ext4: fix off-by-one error when writing back pages before dio read
ext4: fix off-by-one on max nr_pages in ext4_find_unwritten_pgoff()
ext4: keep existing extra fields when inode expands
ext4: handle the rest of ext4_mb_load_buddy() ENOMEM errors
ext4: fix off-by-in in loop termination in ext4_find_unwritten_pgoff()
ext4: fix SEEK_HOLE
jbd2: preserve original nofs flag during journal restart
ext4: clear lockdep subtype for quota files on quota off
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"A few overdue GPIO patches for the v4.12 kernel.
- Fix debounce logic on the Aspeed platform.
- Fix the "virtual gpio" things on the Intel Crystal Cove.
- Fix the blink counter selection on the MVEBU platform"
* tag 'gpio-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mvebu: fix gpio bank registration when pwm is used
gpio: mvebu: fix blink counter register selection
MAINTAINERS: remove self from GPIO maintainers
gpio: crystalcove: Do not write regular gpio registers for virtual GPIOs
gpio: aspeed: Don't attempt to debounce if disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 4.12-rc5. Nothing major here,
just some small bugfixes found by people testing, and a MAINTAINERS
file update for the genwqe driver.
All have been in linux-next with no reported issues"
[ The cxl driver fix came in through the powerpc tree earlier ]
* tag 'char-misc-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
cxl: Avoid double free_irq() for psl,slice interrupts
mei: make sysfs modalias format similar as uevent modalias
drivers: char: mem: Fix wraparound check to allow mappings up to the end
MAINTAINERS: Change maintainer of genwqe driver
goldfish_pipe: use GFP_ATOMIC under spin lock
firmware: vpd: do not leak kobjects
firmware: vpd: avoid potential use-after-free when destroying section
firmware: vpd: do not leave freed section attributes to the list
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both fix
problems found in those codebases.
All have been in linux-next with no reported issues"
* tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ccree: fix buffer copy
staging/lustre/lov: remove set_fs() call from lov_getstripe()
staging: ccree: add CRYPTO dependency
iio: adc: sun4i-gpadc-iio: fix parent device being used in devm function
iio: light: ltr501 Fix interchanged als/ps register field
iio: adc: bcm_iproc_adc: swap primary and secondary isr handler's
iio: trigger: fix NULL pointer dereference in iio_trigger_write_current()
iio: adc: max9611: Fix attribute measure unit
iio: adc: ti_am335x_adc: allocating too much in probe
iio: adc: sun4i-gpadc-iio: Fix module autoload when OF devices are registered
iio: adc: sun4i-gpadc-iio: Fix module autoload when PLATFORM devices are registered
iio: proximity: as3935: fix iio_trigger_poll issue
iio: proximity: as3935: fix AS3935_INT mask
iio: adc: Max9611: checking for ERR_PTR instead of NULL in probe
iio: proximity: as3935: recalibrate RCO after resume
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.12-rc5
They are for some reported issues in the chipidea and gadget drivers.
Nothing major. All have been in linux-next for a while with no
reported issues"
* tag 'usb-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: udc: renesas_usb3: Fix PN_INT_ENA disabling timing
usb: gadget: udc: renesas_usb3: lock for PN_ registers access
usb: gadget: udc: renesas_usb3: fix deadlock by spinlock
usb: gadget: udc: renesas_usb3: fix pm_runtime functions calling
usb: gadget: f_mass_storage: Serialize wake and sleep execution
usb: dwc2: add support for the DWC2 controller on Meson8 SoCs
phy: qualcomm: phy-qcom-qmp: fix application of sizeof to pointer
usb: musb: dsps: keep VBUS on for host-only mode
usb: chipidea: core: check before accessing ci_role in ci_role_show
usb: chipidea: debug: check before accessing ci_role
phy: qcom-qmp: fix return value check in qcom_qmp_phy_create()
usb: chipidea: udc: fix NULL pointer dereference if udc_start failed
usb: chipidea: imx: Do not access CLKONOFF on i.MX51
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is a set of user visible fixes (excepting one format string
change).
Four of the qla2xxx fixes only affect the firmware dump path, but it's
still important to the enterprise. The rest are various NULL pointer
crash conditions or outright driver hangs"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: cxgb4i: libcxgbi: in error case RST tcp conn
scsi: scsi_debug: Avoid PI being disabled when TPGS is enabled
scsi: qla2xxx: Fix extraneous ref on sp's after adapter break
scsi: lpfc: prevent potential null pointer dereference
scsi: lpfc: Avoid NULL pointer dereference in lpfc_els_abort()
scsi: lpfc: nvmet_fc: fix format string
scsi: qla2xxx: Fix crash due to NULL pointer dereference of ctx
scsi: qla2xxx: Fix mailbox pointer error in fwdump capture
scsi: qla2xxx: Set bit 15 for DIAG_ECHO_TEST MBC
scsi: qla2xxx: Modify T262 FW dump template to specify same start/end to debug customer issues
scsi: qla2xxx: Fix crash due to mismatch mumber of Q-pair creation for Multi queue
scsi: qla2xxx: Fix NULL pointer access due to redundant fc_host_port_name call
scsi: qla2xxx: Fix recursive loop during target mode configuration for ISP25XX leaving system unresponsive
scsi: bnx2fc: fix race condition in bnx2fc_get_host_stats()
scsi: qla2xxx: don't disable a not previously enabled PCI device
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
"We expanded the device-dax fs type in 4.12 to be a generic provider of
a struct dax_device with an embedded inode. However, Sasha found some
basic negative testing was not run to verify that this fs cleanly
handles being mounted directly.
Note that the fresh rebase was done to remove an unnecessary Cc:
<stable> tag, but this commit otherwise had a build success
notification from the 0day robot."
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fix 'dax' device filesystem inode destruction crash
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hexagon fix from Guenter Roeck:
"This fixes a build error seen when building hexagon images.
Richard sent me an Ack, but didn't reply when asked if he wants me to
send the patch to you directly, so I figured I'd just do it"
* tag 'hexagon-for-linus-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hexagon: Use raw_copy_to_user
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Pull KVM fixes from Paolo Bonzini:
"Bug fixes (ARM, s390, x86)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: async_pf: avoid async pf injection when in guest mode
KVM: cpuid: Fix read/write out-of-bounds vulnerability in cpuid emulation
arm: KVM: Allow unaligned accesses at HYP
arm64: KVM: Allow unaligned accesses at EL2
arm64: KVM: Preserve RES1 bits in SCTLR_EL2
KVM: arm/arm64: Handle possible NULL stage2 pud when ageing pages
KVM: nVMX: Fix exception injection
kvm: async_pf: fix rcu_irq_enter() with irqs enabled
KVM: arm/arm64: vgic-v3: Fix nr_pre_bits bitfield extraction
KVM: s390: fix ais handling vs cpu model
KVM: arm/arm64: Fix isues with GICv2 on GICv3 migration
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INFO: task gnome-terminal-:1734 blocked for more than 120 seconds.
Not tainted 4.12.0-rc4+ #8
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
gnome-terminal- D 0 1734 1015 0x00000000
Call Trace:
__schedule+0x3cd/0xb30
schedule+0x40/0x90
kvm_async_pf_task_wait+0x1cc/0x270
? __vfs_read+0x37/0x150
? prepare_to_swait+0x22/0x70
do_async_page_fault+0x77/0xb0
? do_async_page_fault+0x77/0xb0
async_page_fault+0x28/0x30
This is triggered by running both win7 and win2016 on L1 KVM simultaneously,
and then gives stress to memory on L1, I can observed this hang on L1 when
at least ~70% swap area is occupied on L0.
This is due to async pf was injected to L2 which should be injected to L1,
L2 guest starts receiving pagefault w/ bogus %cr2(apf token from the host
actually), and L1 guest starts accumulating tasks stuck in D state in
kvm_async_pf_task_wait() since missing PAGE_READY async_pfs.
This patch fixes the hang by doing async pf when executing L1 guest.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit ac4691fac8ad ("hexagon: switch to RAW_COPY_USER") replaced
__copy_to_user_hexagon() with raw_copy_to_user(), but did not catch
all callers, resulting in the following build error.
arch/hexagon/mm/uaccess.c: In function '__clear_user_hexagon':
arch/hexagon/mm/uaccess.c:40:3: error:
implicit declaration of function '__copy_to_user_hexagon'
Fixes: ac4691fac8ad ("hexagon: switch to RAW_COPY_USER")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull UFS fixes from Al Viro:
"This is just the obvious backport fodder; I'm pretty sure that there
will be more - definitely so wrt performance and quite possibly
correctness as well"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ufs: we need to sync inode before freeing it
excessive checks in ufs_write_failed() and ufs_evict_inode()
ufs_getfrag_block(): we only grab ->truncate_mutex on block creation path
ufs_extend_tail(): fix the braino in calling conventions of ufs_new_fragments()
ufs: set correct ->s_maxsize
ufs: restore maintaining ->i_blocks
fix ufs_isblockset()
ufs: restore proper tail allocation
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"Some fixes that Dave Sterba collected.
We've been hitting an early enospc problem on production machines that
Omar tracked down to an old int->u64 mistake. I waited a bit on this
pull to make sure it was really the problem from production, but it's
on ~2100 hosts now and I think we're good.
Omar also noticed a commit in the queue would make new early ENOSPC
problems. I pulled that out for now, which is why the top three
commits are younger than the rest.
Otherwise these are all fixes, some explaining very old bugs that
we've been poking at for a while"
* 'for-linus-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix delalloc accounting leak caused by u32 overflow
Btrfs: clear EXTENT_DEFRAG bits in finish_ordered_io
btrfs: tree-log.c: Wrong printk information about namelen
btrfs: fix race with relocation recovery and fs_root setup
btrfs: fix memory leak in update_space_info failure path
btrfs: use correct types for page indices in btrfs_page_exists_in_range
btrfs: fix incorrect error return ret being passed to mapping_set_error
btrfs: Make flush bios explicitely sync
btrfs: fiemap: Cache and merge fiemap extent before submit it to user
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes: a Geode fix plus a microcode loader fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/intel: Clear patch pointer before jettisoning the initrd
x86/cpu/cyrix: Add alternative Device ID of Geode GX1 SoC
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug fix from Ingo Molnar:
"An error handling corner case fix"
* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Drop the device lock on error
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fixes from Ingo Molnar:
"Fix an SRCU bug affecting KVM IRQ injection"
* 'rcu-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
srcu: Allow use of Classic SRCU from both process and interrupt context
srcu: Allow use of Tiny/Tree SRCU from both process and interrupt context
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"This is mostly tooling fixes, plus an instruction pointer filtering
fix.
It's more fixes than usual - Arnaldo got back from a longer vacation
and there was a backlog"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
perf symbols: Kill dso__build_id_is_kmod()
perf symbols: Keep DSO->symtab_type after decompress
perf tests: Decompress kernel module before objdump
perf tools: Consolidate error path in __open_dso()
perf tools: Decompress kernel module when reading DSO data
perf annotate: Use dso__decompress_kmodule_path()
perf tools: Introduce dso__decompress_kmodule_{fd,path}
perf tools: Fix a memory leak in __open_dso()
perf annotate: Fix symbolic link of build-id cache
perf/core: Drop kernel samples even though :u is specified
perf script python: Remove dups in documentation examples
perf script python: Updated trace_unhandled() signature
perf script python: Fix wrong code snippets in documentation
perf script: Fix documentation errors
perf script: Fix outdated comment for perf-trace-python
perf probe: Fix examples section of documentation
perf report: Ensure the perf DSO mapping matches what libdw sees
perf report: Include partial stacks unwound with libdw
perf annotate: Add missing powerpc triplet
perf test: Disable breakpoint signal tests for powerpc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Ingo Molnar:
"A boot crash fix for certain systems where the kernel would trust a
piece of firmware data it should not have"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Fix boot panic because of invalid BGRT image address
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- another compile-fix for my header cleanup
- a couple of fixes for the recently merged IOMMU probe deferal code
- fixes for ACPI/IORT code necessary with IOMMU probe deferal
* tag 'iommu-fixes-v4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
arm: dma-mapping: Reset the device's dma_ops
ACPI/IORT: Move the check to get iommu_ops from translated fwspec
ARM: dma-mapping: Don't tear down third-party mappings
ACPI/IORT: Ignore all errors except EPROBE_DEFER
iommu/of: Ignore all errors except EPROBE_DEFER
iommu/of: Fix check for returning EPROBE_DEFER
iommu/dma: Fix function declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- mark "guest" RMI device as pass-through port to avoid "phantom" ALPS
toouchpad on newer Lenovo Carbons
- add two more laptops to the Elantech's lists of devices using CRC
mode
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics-rmi4 - register F03 port as pass-through serio
Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled
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Pull MD bugfix from Shaohua Li:
"One bug fix from Neil Brown for MD. The bug was introduced in this
cycle"
* tag 'md/4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
md: initialise ->writes_pending in personality modules.
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Pull block fixes from Jens Axboe:
"A set of fixes in the area of block IO, that should go into the next
-rc release. This contains:
- An OOPS fix from Dmitry, fixing a regression with the bio integrity
code in this series.
- Fix truncation of elevator io context cache name, from Eric
Biggers.
- NVMe pull from Christoph includes FC fixes from James, APST
fixes/tweaks from Kai-Heng, removal fix from Rakesh, and an RDMA
fix from Sagi.
- Two tweaks for the block throttling code. One from Joseph Qi,
fixing an oops from the timer code, and one from Shaohua, improving
the behavior on rotatonal storage.
- Two blk-mq fixes from Ming, fixing corner cases with the direct
issue code.
- Locking fix for bfq cgroups from Paolo"
* 'for-linus' of git://git.kernel.dk/linux-block:
block, bfq: access and cache blkg data only when safe
Fix loop device flush before configure v3
blk-throttle: set default latency baseline for harddisk
blk-throttle: fix NULL pointer dereference in throtl_schedule_pending_timer
nvme: relax APST default max latency to 100ms
nvme: only consider exit latency when choosing useful non-op power states
nvme-fc: fix missing put reference on controller create failure
nvme-fc: on lldd/transport io error, terminate association
nvme-rdma: fast fail incoming requests while we reconnect
nvme-pci: fix multiple ctrl removal scheduling
nvme: fix hang in remove path
elevator: fix truncation of icq_cache_name
blk-mq: fix direct issue
blk-mq: pass correct hctx to blk_mq_try_issue_directly
bio-integrity: Do not allocate integrity context for bio w/o data
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This update contains a slightly hight amount of changes due to the
pending ASoC fixes:
- ALSA timer core got a couple of fixes for races between read and
ioctl, leading to potential read of uninitialized kmalloced memory
- ASoC core fixed the de-registration pattern for use-after-free bug
- The rewrite of probe code in ASoC Intel Skylake for i915 component
- ASoC R-snd got a series of fixes for SSI
- ASoC simple-card, atmel, da7213, and rt286 trivial fixes
- HD-audio ALC269 quirk and rearrangement of quirk table"
* tag 'sound-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT
ALSA: timer: Fix race between read and ioctl
ALSA: hda/realtek - Reorder ALC269 ASUS quirk entries
ALSA: hda/realtek: Fix mic and headset jack sense on Asus X705UD
ASoC: rsnd: fixup parent_clk_name of AUDIO_CLKOUTx
ASoC: Intel: Skylake: Fix to parse consecutive string tkns in manifest
ASoC: Intel: Skylake: Fix IPC rx_list corruption
ASoC: rsnd: SSI PIO adjust to 24bit mode
MAINTAINERS: Update email address for patches to Wolfson parts
ASoC: Fix use-after-free at card unregistration
ASoC: simple-card: fix mic jack initialization
ASoC: rsnd: don't call free_irq() on Parent SSI
ASoC: atmel-classd: sync regcache when resuming
ASoC: rsnd: don't use PDTA bit for 24bit on SSI
ASoC: da7213: Fix incorrect usage of bitwise '&' operator for SRM check
rt286: add Thinkpad Helix 2 to force_combo_jack_table
ASoC: Intel: Skylake: Move i915 registration to worker thread
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Intel, nouveau, rockchip, vmwgfx, imx, meson, mediatek and core fixes.
Bit more spread out fixes this time, fixes for 7 drivers + a couple of
core fixes.
i915 and vmwgfx are the main ones. The vmwgfx ones fix a bunch of
regressions in their atomic rework, and a few fixes destined for
stable. i915 has some 4.12 regressions and older things that need to
be fixed in stable as well.
nouveau also has some runtime pm fixes and a timer list handling fix,
otherwise a couple of core and small driver regression fixes"
* tag 'drm-fixes-for-v4.12-rc5' of git://people.freedesktop.org/~airlied/linux: (37 commits)
drm/i915: fix warning for unused variable
drm/meson: Fix driver bind when only CVBS is available
drm/i915: Fix 90/270 rotated coordinates for FBC
drm/i915: Restore has_fbc=1 for ILK-M
drm/i915: Workaround VLV/CHV DSI scanline counter hardware fail
drm/i915: Fix logical inversion for gen4 quirking
drm/i915: Guard against i915_ggtt_disable_guc() being invoked unconditionally
drm/i915: Always recompute watermarks when distrust_bios_wm is set, v2.
drm/i915: Prevent the system suspend complete optimization
drm/i915/psr: disable psr2 for resolution greater than 32X20
drm/i915: Hold a wakeref for probing the ring registers
drm/i915: Short-circuit i915_gem_wait_for_idle() if already idle
drm/i915: Disable decoupled MMIO
drm/i915/guc: Remove stale comment for q_fail
drm/vmwgfx: Bump driver minor and date
drm/vmwgfx: Remove unused legacy cursor functions
drm/vmwgfx: fix spelling mistake "exeeds" -> "exceeds"
drm/vmwgfx: Fix large topology crash
drm/vmwgfx: Make sure to update STDU when FB is updated
drm/vmwgfx: Make sure backup_handle is always valid
...
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As it is, short copy in write() to append-only file will fail
to truncate the excessive allocated blocks. As the matter of
fact, all checks in ufs_truncate_blocks() are either redundant
or wrong for that caller. As for the only other caller
(ufs_evict_inode()), we only need the file type checks there.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... and it really needs splitting into "new" and "extend" cases, but that's for
later
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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btrfs_calc_trans_metadata_size() does an unsigned 32-bit multiplication,
which can overflow if num_items >= 4 GB / (nodesize * BTRFS_MAX_LEVEL * 2).
For a nodesize of 16kB, this overflow happens at 16k items. Usually,
num_items is a small constant passed to btrfs_start_transaction(), but
we also use btrfs_calc_trans_metadata_size() for metadata reservations
for extent items in btrfs_delalloc_{reserve,release}_metadata().
In drop_outstanding_extents(), num_items is calculated as
inode->reserved_extents - inode->outstanding_extents. The difference
between these two counters is usually small, but if many delalloc
extents are reserved and then the outstanding extents are merged in
btrfs_merge_extent_hook(), the difference can become large enough to
overflow in btrfs_calc_trans_metadata_size().
The overflow manifests itself as a leak of a multiple of 4 GB in
delalloc_block_rsv and the metadata bytes_may_use counter. This in turn
can cause early ENOSPC errors. Additionally, these WARN_ONs in
extent-tree.c will be hit when unmounting:
WARN_ON(fs_info->delalloc_block_rsv.size > 0);
WARN_ON(fs_info->delalloc_block_rsv.reserved > 0);
WARN_ON(space_info->bytes_pinned > 0 ||
space_info->bytes_reserved > 0 ||
space_info->bytes_may_use > 0);
Fix it by casting nodesize to a u64 so that
btrfs_calc_trans_metadata_size() does a full 64-bit multiplication.
While we're here, do the same in btrfs_calc_trunc_metadata_size(); this
can't overflow with any existing uses, but it's better to be safe here
than have another hard-to-debug problem later on.
Cc: stable@vger.kernel.org
Signed-off-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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Before this, we use 'filled' mode here, ie. if all range has been
filled with EXTENT_DEFRAG bits, get to clear it, but if the defrag
range joins the adjacent delalloc range, then we'll have EXTENT_DEFRAG
bits in extent_state until releasing this inode's pages, and that
prevents extent_data from being freed.
This clears the bit if any was found within the ordered extent.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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In verify_dir_item, it wants to printk name_len of dir_item but
printk data_len acutally.
Fix it by calling btrfs_dir_name_len instead of btrfs_dir_data_len.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for Xen on ARM when dealing with 64kB page size of a guest"
* tag 'for-linus-4.12b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/privcmd: Support correctly 64KB page granularity when mapping memory
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The 5th generation Thinkpad X1 Carbons use Synaptics touchpads accessible
over SMBus/RMI, combined with ALPS or Elantech trackpoint devices instead
of classic IBM/Lenovo trackpoints. Unfortunately there is no way for ALPS
driver to detect whether it is dealing with touchpad + trackpoint
combination or just a trackpoint, so we end up with a "phantom" dualpoint
ALPS device in addition to real touchpad and trackpoint.
Given that we do not have any special advanced handling for ALPS or
Elantech trackpoints (unlike IBM trackpoints that have separate driver and
a host of options) we are better off keeping the trackpoints in PS/2
emulation mode. We achieve that by setting serio type to SERIO_PS_PSTHRU,
which will limit number of protocols psmouse driver will try. In addition
to getting rid of the "phantom" touchpads, this will also speed up probing
of F03 pass-through port.
Reported-by: Damjan Georgievski <gdamjan@gmail.com>
Suggested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Mostly fairly minor, of note are:
- Fix percpu allocations to be NUMA aware
- Limit 4k page size config to 64TB virtual address space
- Avoid needlessly restoring FP and vector registers
Thanks to Aneesh Kumar K.V, Breno Leitao, Christophe Leroy, Frederic
Barrat, Madhavan Srinivasan, Michael Bringmann, Nicholas Piggin,
Vaibhav Jain"
* tag 'powerpc-4.12-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/book3s64: Move PPC_DT_CPU_FTRs and enable it by default
powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
cxl: Fix error path on bad ioctl
powerpc/perf: Fix Power9 test_adder fields
powerpc/numa: Fix percpu allocations to be NUMA aware
cxl: Avoid double free_irq() for psl,slice interrupts
powerpc/kernel: Initialize load_tm on task creation
powerpc/kernel: Fix FP and vector register restoration
powerpc/64: Reclaim CPU_FTR_SUBCORE
powerpc/hotplug-mem: Fix missing endian conversion of aa_index
powerpc/sysdev/simple_gpio: Fix oops in gpio save_regs function
powerpc/spufs: Fix coredump of SPU contexts
powerpc/64s: Add dt_cpu_ftrs boot time setup option
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Been sitting on these for a couple of weeks waiting on some larger
batches to come in but it's been pretty quiet.
Just your garden variety fixes here:
- A few maintainers updates (ep93xx, Exynos, TI, Marvell)
- Some PM fixes for Atmel/at91 and Marvell
- A few DT fixes for Marvell, Versatile, TI Keystone, bcm283x
- A reset driver patch to set module license for symbol access"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: EP93XX: Update maintainership
MAINTAINERS: remove kernel@stlinux.com obsolete mailing list
ARM: dts: versatile: use #include "..." to include local DT
MAINTAINERS: add device-tree files to TI DaVinci entry
ARM: at91: select CONFIG_ARM_CPU_SUSPEND
ARM: dts: keystone-k2l: fix broken Ethernet due to disabled OSR
arm64: defconfig: enable some core options for 64bit Rockchip socs
arm64: marvell: dts: fix interrupts in 7k/8k crypto nodes
reset: hi6220: Set module license so that it can be loaded
MAINTAINERS: add irqchip related drivers to Marvell EBU maintainers
MAINTAINERS: sort F entries for Marvell EBU maintainers
ARM: davinci: PM: Do not free useful resources in normal path in 'davinci_pm_init'
ARM: davinci: PM: Free resources in error handling path in 'davinci_pm_init'
ARM: dts: bcm283x: Reserve first page for firmware
memory: atmel-ebi: mark PM ops as __maybe_unused
MAINTAINERS: Remove Javier Martinez Canillas as reviewer for Exynos
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The inode destruction path for the 'dax' device filesystem incorrectly
assumes that the inode was initialized through 'alloc_dax()'. However,
if someone attempts to directly mount the dax filesystem with 'mount -t
dax dax mnt' that will bypass 'alloc_dax()' and the following failure
signatures may occur as a result:
kill_dax() must be called before final iput()
WARNING: CPU: 2 PID: 1188 at drivers/dax/super.c:243 dax_destroy_inode+0x48/0x50
RIP: 0010:dax_destroy_inode+0x48/0x50
Call Trace:
destroy_inode+0x3b/0x60
evict+0x139/0x1c0
iput+0x1f9/0x2d0
dentry_unlink_inode+0xc3/0x160
__dentry_kill+0xcf/0x180
? dput+0x37/0x3b0
dput+0x3a3/0x3b0
do_one_tree+0x36/0x40
shrink_dcache_for_umount+0x2d/0x90
generic_shutdown_super+0x1f/0x120
kill_anon_super+0x12/0x20
deactivate_locked_super+0x43/0x70
deactivate_super+0x4e/0x60
general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC
RIP: 0010:kfree+0x6d/0x290
Call Trace:
<IRQ>
dax_i_callback+0x22/0x60
? dax_destroy_inode+0x50/0x50
rcu_process_callbacks+0x298/0x740
ida_remove called for id=0 which is not allocated.
WARNING: CPU: 0 PID: 0 at lib/idr.c:383 ida_remove+0x110/0x120
[..]
Call Trace:
<IRQ>
ida_simple_remove+0x2b/0x50
? dax_destroy_inode+0x50/0x50
dax_i_callback+0x3c/0x60
rcu_process_callbacks+0x298/0x740
Add missing initialization of the 'struct dax_device' and inode so that
the destruction path does not kfree() or ida_simple_remove()
uninitialized data.
Fixes: 7b6be8444e0f ("dax: refactor dax-fs into a generic provider of 'struct dax_device' instances")
Reported-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Maniaxx reported a kernel boot crash in the EFI code, which I emulated
by using same invalid phys addr in code:
BUG: unable to handle kernel paging request at ffffffffff280001
IP: efi_bgrt_init+0xfb/0x153
...
Call Trace:
? bgrt_init+0xbc/0xbc
acpi_parse_bgrt+0xe/0x12
acpi_table_parse+0x89/0xb8
acpi_boot_init+0x445/0x4e2
? acpi_parse_x2apic+0x79/0x79
? dmi_ignore_irq0_timer_override+0x33/0x33
setup_arch+0xb63/0xc82
? early_idt_handler_array+0x120/0x120
start_kernel+0xb7/0x443
? early_idt_handler_array+0x120/0x120
x86_64_start_reservations+0x29/0x2b
x86_64_start_kernel+0x154/0x177
secondary_startup_64+0x9f/0x9f
There is also a similar bug filed in bugzilla.kernel.org:
https://bugzilla.kernel.org/show_bug.cgi?id=195633
The crash is caused by this commit:
7b0a911478c7 efi/x86: Move the EFI BGRT init code to early init code
The root cause is the firmware on those machines provides invalid BGRT
image addresses.
In a kernel before above commit BGRT initializes late and uses ioremap()
to map the image address. Ioremap validates the address, if it is not a
valid physical address ioremap() just fails and returns. However in current
kernel EFI BGRT initializes early and uses early_memremap() which does not
validate the image address, and kernel panic happens.
According to ACPI spec the BGRT image address should fall into
EFI_BOOT_SERVICES_DATA, see the section 5.2.22.4 of below document:
http://www.uefi.org/sites/default/files/resources/ACPI_6_1.pdf
Fix this issue by validating the image address in efi_bgrt_init(). If the
image address does not fall into any EFI_BOOT_SERVICES_DATA areas we just
bail out with a warning message.
Reported-by: Maniaxx <tripleshiftone@gmail.com>
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
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
Fixes: 7b0a911478c7 ("efi/x86: Move the EFI BGRT init code to early init code")
Link: http://lkml.kernel.org/r/20170609084558.26766-2-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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During an eeh call to cxl_remove can result in double free_irq of
psl,slice interrupts. This can happen if perst_reloads_same_image == 1
and call to cxl_configure_adapter() fails during slot_reset
callback. In such a case we see a kernel oops with following back-trace:
Oops: Kernel access of bad area, sig: 11 [#1]
Call Trace:
free_irq+0x88/0xd0 (unreliable)
cxl_unmap_irq+0x20/0x40 [cxl]
cxl_native_release_psl_irq+0x78/0xd8 [cxl]
pci_deconfigure_afu+0xac/0x110 [cxl]
cxl_remove+0x104/0x210 [cxl]
pci_device_remove+0x6c/0x110
device_release_driver_internal+0x204/0x2e0
pci_stop_bus_device+0xa0/0xd0
pci_stop_and_remove_bus_device+0x28/0x40
pci_hp_remove_devices+0xb0/0x150
pci_hp_remove_devices+0x68/0x150
eeh_handle_normal_event+0x140/0x580
eeh_handle_event+0x174/0x360
eeh_event_handler+0x1e8/0x1f0
This patch fixes the issue of double free_irq by checking that
variables that hold the virqs (err_hwirq, serr_hwirq, psl_virq) are
not '0' before un-mapping and resetting these variables to '0' when
they are un-mapped.
Cc: stable@vger.kernel.org
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If more than one gpio bank has the "pwm" property, only one will be
registered successfully, all the others will fail with:
mvebu-gpio: probe of f1018140.gpio failed with error -17
That's because in alloc_pwms(), the chip->base (aka "int pwm"), was not
set (thus, ==0) ; and 0 is a meaningful start value in alloc_pwm().
What was intended is mvpwm->chip->base = -1.
Like that, the numbering will be done auto-magically
Moreover, as the region might be already occupied by another pwm, we
shouldn't force:
mvpwm->chip->base = 0
nor
mvpwm->chip->base = id * MVEBU_MAX_GPIO_PER_BANK;
Tested on clearfog-pro (Marvell 88F6828)
Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The blink counter A was always selected because 0 was forced in the
blink select counter register.
The variable 'set' was obviously there to be used as the register value,
selecting the B counter when id==1 and A counter when id==0.
Tested on clearfog-pro (Marvell 88F6828)
Fixes: 757642f9a584 ("gpio: mvebu: Add limited PWM support")
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into rcu/urgent
Pull RCU fix from Paul E. McKenney:
" This series enables srcu_read_lock() and srcu_read_unlock() to be used from
interrupt handlers, which fixes a bug in KVM's use of SRCU in delivery
of interrupts to guest OSes. "
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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If a key's refcount is dropped to zero between key_lookup() peeking at
the refcount and subsequently attempting to increment it, refcount_inc()
will see a zero refcount. Here, refcount_inc() will WARN_ONCE(), and
will *not* increment the refcount, which will remain zero.
Once key_lookup() drops key_serial_lock, it is possible for the key to
be freed behind our back.
This patch uses refcount_inc_not_zero() to perform the peek and increment
atomically.
Fixes: fff292914d3a2f1e ("security, keys: convert key.usage from atomic_t to refcount_t")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: David Windsor <dwindsor@gmail.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Hans Liljestrand <ishkamiel@gmail.com>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: James Morris <james.l.morris@oracle.com>
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