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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull ucounts fix from Eric Biederman:
"This fixes the ucount sysctls on big endian architectures.
The counts were expanded to be longs instead of ints, and the sysctl
code was overlooked, so only the low 32bit were being processed. On
litte endian just processing the low 32bits is fine, but on 64bit big
endian processing just the low 32bits results in the high order bits
instead of the low order bits being processed and nothing works
proper.
This change took a little bit to mature as we have the SYSCTL_ZERO,
and SYSCTL_INT_MAX macros that are only usable for sysctls operating
on ints, but unfortunately are not obviously broken. Which resulted in
the versions of this change working on big endian and not on little
endian, because the int SYSCTL_ZERO when extended 64bit wound up being
0x100000000. So we only allowed values greater than 0x100000000 and
less than 0faff. Which unfortunately broken everything that tried to
set the sysctls. (First reported with the windows subsystem for
linux).
I have tested this on x86_64 64bit after first reproducing the
problems with the earlier version of this change, and then verifying
the problems do not exist when we use appropriate long min and max
values for extra1 and extra2"
* 'for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
ucounts: add missing data type changes
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This seems to be a usual bump in the middle, containing lots of
pending ASoC fixes:
- Yet another PCM mmap regression fix
- Fix for ASoC DAPM prefix handling
- Various cs42l42 codec fixes
- PCM buffer reference fixes in a few ASoC drivers
- Fixes for ASoC SOF, AMD, tlv320, WM
- HD-audio quirks"
* tag 'sound-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (32 commits)
ALSA: hda/realtek: fix mute/micmute LEDs for HP ProBook 650 G8 Notebook PC
ALSA: pcm: Fix mmap breakage without explicit buffer setup
ALSA: hda: Add quirk for ASUS Flow x13
ASoC: cs42l42: Fix mono playback
ASoC: cs42l42: Constrain sample rate to prevent illegal SCLK
ASoC: cs42l42: Fix LRCLK frame start edge
ASoC: cs42l42: PLL must be running when changing MCLK_SRC_SEL
ASoC: cs42l42: Remove duplicate control for WNF filter frequency
ASoC: cs42l42: Fix inversion of ADC Notch Switch control
ASoC: SOF: Intel: hda-ipc: fix reply size checking
ASoC: SOF: Intel: Kconfig: fix SoundWire dependencies
ASoC: amd: Fix reference to PCM buffer address
ASoC: nau8824: Fix open coded prefix handling
ASoC: kirkwood: Fix reference to PCM buffer address
ASoC: uniphier: Fix reference to PCM buffer address
ASoC: xilinx: Fix reference to PCM buffer address
ASoC: intel: atom: Fix reference to PCM buffer address
ASoC: cs42l42: Fix bclk calculation for mono
ASoC: cs42l42: Don't allow SND_SOC_DAIFMT_LEFT_J
ASoC: cs42l42: Correct definition of ADC Volume control
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull orphan section linker fix from Kees Cook:
- Handle changes to Clang's Sanitizer section layout (Nathan
Chancellor)
* tag 'orphans-v5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
vmlinux.lds.h: Handle clang's module.{c,d}tor sections
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fixes from Kees Cook:
- Fix typo in user notification documentation (Rodrigo Campos)
- Fix userspace counter report when using TSYNC (Hsuan-Chi Kuo, Wiktor
Garbacz)
* tag 'seccomp-v5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
seccomp: Fix setting loaded filter count during TSYNC
Documentation: seccomp: Fix typo in user notification
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A recent change in LLVM causes module_{c,d}tor sections to appear when
CONFIG_K{A,C}SAN are enabled, which results in orphan section warnings
because these are not handled anywhere:
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_ctor) is being placed in '.text.asan.module_ctor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_dtor) is being placed in '.text.asan.module_dtor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.tsan.module_ctor) is being placed in '.text.tsan.module_ctor'
Fangrui explains: "the function asan.module_ctor has the SHF_GNU_RETAIN
flag, so it is in a separate section even with -fno-function-sections
(default)".
Place them in the TEXT_TEXT section so that these technologies continue
to work with the newer compiler versions. All of the KASAN and KCSAN
KUnit tests continue to pass after this change.
Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1432
Link: https://github.com/llvm/llvm-project/commit/7b789562244ee941b7bf2cefeb3fc08a59a01865
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Fangrui Song <maskray@google.com>
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210731023107.1932981-1-nathan@kernel.org
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The desired behavior is to set the caller's filter count to thread's.
This value is reported via /proc, so this fixes the inaccurate count
exposed to userspace; it is not used for reference counting, etc.
Signed-off-by: Hsuan-Chi Kuo <hsuanchikuo@gmail.com>
Link: https://lore.kernel.org/r/20210304233708.420597-1-hsuanchikuo@gmail.com
Co-developed-by: Wiktor Garbacz <wiktorg@google.com>
Signed-off-by: Wiktor Garbacz <wiktorg@google.com>
Link: https://lore.kernel.org/lkml/20210810125158.329849-1-wiktorg@google.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org
Fixes: c818c03b661c ("seccomp: Report number of loaded filters in /proc/$pid/status")
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- Fix FPU_STATUS update
- Update my email address
- Other spellos and fixes
* tag 'arc-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
MAINTAINERS: update Vineet's email address
ARC: fp: set FPU_STATUS.FWE to enable FPU_STATUS update on context switch
ARC: Fix CONFIG_STACKDEPOT
arc: Fix spelling mistake and grammar in Kconfig
arc: Prefer unsigned int to bare use of unsigned
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Small set of pdx86 fixes for 5.14"
* tag 'platform-drivers-x86-v5.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: pcengines-apuv2: Add missing terminating entries to gpio-lookup tables
platform/x86: Make dual_accel_detect() KIOX010A + KIOX020A detect more robust
platform/x86: Add and use a dual_accel_detect() helper
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"Fix several bugs in overlayfs"
* tag 'ovl-fixes-5.14-rc6-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: prevent private clone if bind mount is not allowed
ovl: fix uninitialized pointer read in ovl_lookup_real_one()
ovl: fix deadlock in splice write
ovl: skip stale entries in merge dir cache iteration
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The HP ProBook 650 G8 Notebook PC is using ALC236 codec which is
using 0x02 to control mute LED and 0x01 to control micmute LED.
Therefore, add a quirk to make it works.
Signed-off-by: Jeremy Szu <jeremy.szu@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210810100846.65844-1-jeremy.szu@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add the following checks from __do_loopback() to clone_private_mount() as
well:
- verify that the mount is in the current namespace
- verify that there are no locked children
Reported-by: Alois Wohlschlager <alois1@gmx-topmail.de>
Fixes: c771d683a62e ("vfs: introduce clone_private_mount()")
Cc: <stable@vger.kernel.org> # v3.18
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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One error path can result in release_dentry_name_snapshot() being called
before "name" was initialized by take_dentry_name_snapshot().
Fix by moving the release_dentry_name_snapshot() to immediately after the
only use.
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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There's possibility of an ABBA deadlock in case of a splice write to an
overlayfs file and a concurrent splice write to a corresponding real file.
The call chain for splice to an overlay file:
-> do_splice [takes sb_writers on overlay file]
-> do_splice_from
-> iter_file_splice_write [takes pipe->mutex]
-> vfs_iter_write
...
-> ovl_write_iter [takes sb_writers on real file]
And the call chain for splice to a real file:
-> do_splice [takes sb_writers on real file]
-> do_splice_from
-> iter_file_splice_write [takes pipe->mutex]
Syzbot successfully bisected this to commit 82a763e61e2b ("ovl: simplify
file splice").
Fix by reverting the write part of the above commit and by adding missing
bits from ovl_write_iter() into ovl_splice_write().
Fixes: 82a763e61e2b ("ovl: simplify file splice")
Reported-and-tested-by: syzbot+579885d1a9a833336209@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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On the first getdents call, ovl_iterate() populates the readdir cache
with a list of entries, but for upper entries with origin lower inode,
p->ino remains zero.
Following getdents calls traverse the readdir cache list and call
ovl_cache_update_ino() for entries with zero p->ino to lookup the entry
in the overlay and return d_ino that is consistent with st_ino.
If the upper file was unlinked between the first getdents call and the
getdents call that lists the file entry, ovl_cache_update_ino() will not
find the entry and fall back to setting d_ino to the upper real st_ino,
which is inconsistent with how this object was presented to users.
Instead of listing a stale entry with inconsistent d_ino, simply skip
the stale entry, which is better for users.
xfstest overlay/077 is failing without this patch.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/fstests/CAOQ4uxgR_cLnC_vdU5=seP3fwqVkuZM_-WfD6maFTMbMYq=a9w@mail.gmail.com/
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fix from Tejun Heo:
"One commit to fix a possible A-A deadlock around u64_stats_sync on
32bit machines caused by updating it without disabling IRQ when it may
be read from IRQ context"
* 'for-5.14-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: rstat: fix A-A deadlock on 32bit around u64_stats_sync
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I'll be leaving Synopsys shortly, but will continue to handle maintenance
for the transition period.
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
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commit f9c82a4ea89c3 ("Increase size of ucounts to atomic_long_t")
changed the data type of ucounts/ucounts_max to long, but missed to
adjust a few other places. This is noticeable on big endian platforms
from user space because the /proc/sys/user/max_*_names files all
contain 0.
v4 - Made the min and max constants long so the sysctl values
are actually settable on little endian machines.
-- EWB
Fixes: f9c82a4ea89c ("Increase size of ucounts to atomic_long_t")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Acked-by: Alexey Gladkov <legion@kernel.org>
v1: https://lkml.kernel.org/r/20210721115800.910778-1-svens@linux.ibm.com
v2: https://lkml.kernel.org/r/20210721125233.1041429-1-svens@linux.ibm.com
v3: https://lkml.kernel.org/r/20210730062854.3601635-1-svens@linux.ibm.com
Link: https://lkml.kernel.org/r/8735rijqlv.fsf_-_@disp2133
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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The recent fix c4824ae7db41 ("ALSA: pcm: Fix mmap capability check")
restricts the mmap capability only to the drivers that properly set up
the buffers, but it caused a regression for a few drivers that manage
the buffer on its own way.
For those with UNKNOWN buffer type (i.e. the uninitialized / unused
substream->dma_buffer), just assume that the driver handles the mmap
properly and blindly trust the hardware info bit.
Fixes: c4824ae7db41 ("ALSA: pcm: Fix mmap capability check")
Reported-and-tested-by: Jeff Woods <jwoods@fnordco.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/s5him0gpghv.wl-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single timer fix:
- Prevent a memory ordering issue in the timer expiry code which
makes it possible to observe falsely that the callback has been
executed already while that's not the case, which violates the
guarantee of del_timer_sync()"
* tag 'timers-urgent-2021-08-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Move clearing of base::timer_running under base:: Lock
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single scheduler fix:
- Prevent a double enqueue caused by rt_effective_prio() being
invoked twice in __sched_setscheduler()"
* tag 'sched-urgent-2021-08-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/rt: Fix double enqueue caused by rt_effective_prio
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
"A set of perf fixes:
- Correct the permission checks for perf event which send SIGTRAP to
a different process and clean up that code to be more readable.
- Prevent an out of bound MSR access in the x86 perf code which
happened due to an incomplete limiting to the actually available
hardware counters.
- Prevent access to the AMD64_EVENTSEL_HOSTONLY bit when running
inside a guest.
- Handle small core counter re-enabling correctly by issuing an ACK
right before reenabling it to prevent a stale PEBS record being
kept around"
* tag 'perf-urgent-2021-08-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Apply mid ACK for small core
perf/x86/amd: Don't touch the AMD64_EVENTSEL_HOSTONLY bit inside the guest
perf/x86: Fix out of bound MSR access
perf: Refactor permissions check into perf_check_permission()
perf: Fix required permissions if sigtrap is requested
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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 char/misc driver fixes for 5.14-rc5.
They resolve a few regressions that people reported:
- acrn driver fix
- fpga driver fix
- interconnect tiny driver fixes
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
interconnect: Fix undersized devress_alloc allocation
interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate
interconnect: qcom: icc-rpmh: Ensure floor BW is enforced for all nodes
fpga: dfl: fme: Fix cpu hotplug issue in performance reporting
virt: acrn: Do hcall_destroy_vm() before resource release
interconnect: Always call pre_aggregate before aggregate
interconnect: Zero initial BW after sync-state
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are three tiny driver core and firmware loader fixes for
5.14-rc5. They are:
- driver core fix for when probing fails
- firmware loader fixes for reported problems.
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
firmware_loader: fix use-after-free in firmware_fallback_sysfs
firmware_loader: use -ETIMEDOUT instead of -EAGAIN in fw_load_sysfs_fallback
drivers core: Fix oops when driver probe fails
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a few small staging driver fixes for 5.14-rc5 to resolve some
reported problems. They include:
- mt7621 driver fix
- rtl8723bs driver fixes
- rtl8712 driver fixes.
Nothing major, just small problems resolved.
All have been in linux-next for a while with no reported issues"
* tag 'staging-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: mt7621-pci: avoid to re-disable clock for those pcies not in use
staging: rtl8712: error handling refactoring
staging: rtl8712: get rid of flush_scheduled_work
staging: rtl8723bs: select CONFIG_CRYPTO_LIB_ARC4
staging: rtl8723bs: Fix a resource leak in sd_int_dpc
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty/serial driver fixes for 5.14-rc5 to resolve a
number of reported problems.
They include:
- mips serial driver fixes
- 8250 driver fixes for reported problems
- fsl_lpuart driver fixes
- other tiny driver fixes
All have been in linux-next for a while with no reported problems"
* tag 'tty-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_pci: Avoid irq sharing for MSI(-X) interrupts.
serial: 8250_mtk: fix uart corruption issue when rx power off
tty: serial: fsl_lpuart: fix the wrong return value in lpuart32_get_mctrl
serial: 8250_pci: Enumerate Elkhart Lake UARTs via dedicated driver
serial: 8250: fix handle_irq locking
serial: tegra: Only print FIFO error message when an error occurs
MIPS: Malta: Do not byte-swap accesses to the CBUS UART
serial: 8250: Mask out floating 16/32-bit bus bits
serial: max310x: Unprepare and disable clock in error path
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are some small USB driver fixes for 5.14-rc5. They resolve a
number of small reported issues, including:
- cdnsp driver fixes
- usb serial driver fixes and device id updates
- usb gadget hid fixes
- usb host driver fixes
- usb dwc3 driver fixes
- other usb gadget driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
usb: typec: tcpm: Keep other events when receiving FRS and Sourcing_vbus events
usb: dwc3: gadget: Avoid runtime resume if disabling pullup
usb: dwc3: gadget: Use list_replace_init() before traversing lists
USB: serial: ftdi_sio: add device ID for Auto-M3 OP-COM v2
USB: serial: pl2303: fix GT type detection
USB: serial: option: add Telit FD980 composition 0x1056
USB: serial: pl2303: fix HX type detection
USB: serial: ch341: fix character loss at high transfer rates
usb: cdnsp: Fix the IMAN_IE_SET and IMAN_IE_CLEAR macro
usb: cdnsp: Fixed issue with ZLP
usb: cdnsp: Fix incorrect supported maximum speed
usb: cdns3: Fixed incorrect gadget state
usb: gadget: f_hid: idle uses the highest byte for duration
Revert "thunderbolt: Hide authorized attribute if router does not support PCIe tunnels"
usb: otg-fsm: Fix hrtimer list corruption
usb: host: ohci-at91: suspend/resume ports after/before OHCI accesses
usb: musb: Fix suspend and resume issues for PHYs on I2C and SPI
usb: gadget: f_hid: added GET_IDLE and SET_IDLE handlers
usb: gadget: f_hid: fixed NULL pointer dereference
usb: gadget: remove leaked entry from udc driver list
...
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Pull io_uring from Jens Axboe:
"A few io-wq related fixes:
- Fix potential nr_worker race and missing max_workers check from one
path (Hao)
- Fix race between worker exiting and new work queue (me)"
* tag 'io_uring-5.14-2021-08-07' of git://git.kernel.dk/linux-block:
io-wq: fix lack of acct->nr_workers < acct->max_workers judgement
io-wq: fix no lock protection of acct->nr_worker
io-wq: fix race between worker exiting and activating free worker
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Pull block fixes from Jens Axboe:
"A few minor fixes:
- Fix ldm kernel-doc warning (Bart)
- Fix adding offset twice for DMA address in n64cart (Christoph)
- Fix use-after-free in dasd path handling (Stefan)
- Order kyber insert trace correctly (Vincent)
- raid1 errored write handling fix (Wei)
- Fix blk-iolatency queue get failure handling (Yu)"
* tag 'block-5.14-2021-08-07' of git://git.kernel.dk/linux-block:
kyber: make trace_block_rq call consistent with documentation
block/partitions/ldm.c: Fix a kernel-doc warning
blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit()
n64cart: fix the dma address in n64cart_do_bvec
s390/dasd: fix use after free in dasd path handling
md/raid10: properly indicate failure when ending a failed write request
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- avoid dereferencing a null task pointer while walking the stack
- fix the memory size in the HiFive Unleashed device tree
- disable stack protectors when randstruct is enabled, which results in
non-deterministic offsets during module builds
- a pair of fixes to avoid relying on a constant physical memory base
for the non-XIP builds
* tag 'riscv-for-linus-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED"
riscv: Get rid of CONFIG_PHYS_RAM_BASE in kernel physical address conversion
riscv: Disable STACKPROTECTOR_PER_TASK if GCC_PLUGIN_RANDSTRUCT is enabled
riscv: dts: fix memory size for the SiFive HiFive Unmatched
riscv: stacktrace: Fix NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Correct the Extended Regular Expressions in tools
- Adjust scripts/checkversion.pl for the current Kbuild
- Unset sub_make_done for 'make install' to make DKMS work again
* tag 'kbuild-fixes-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: cancel sub_make_done for the install target to fix DKMS
scripts: checkversion: modernize linux/version.h search strings
mips: Fix non-POSIX regexp
x86/tools/relocs: Fix non-POSIX regexp
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The ASUS GV301QH sound appears to work well with the quirk for
ALC294_FIXUP_ASUS_DUAL_SPK.
Signed-off-by: Luke D Jones <luke@ljones.dev>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210807025805.27321-1-luke@ljones.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 9b79878ced8f7ab85c57623f8b1f6882e484a316.
The removal of this config exposes CONFIG_PHYS_RAM_BASE for all kernel
types: this value being implementation-specific, this breaks the
genericity of the RISC-V kernel so revert it.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Emil Renner Berthing <kernel@esmil.dk>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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The usage of CONFIG_PHYS_RAM_BASE for all kernel types was a mistake:
this value is implementation-specific and this breaks the genericity of
the RISC-V kernel.
Fix this by introducing a new variable phys_ram_base that holds this
value at runtime and use it in the kernel physical address conversion
macro. Since this value is used only for XIP kernels, evaluate it only if
CONFIG_XIP_KERNEL is set which in addition optimizes this macro for
standard kernels at compile-time.
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Tested-by: Emil Renner Berthing <kernel@esmil.dk>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Fixes: 44c922572952 ("RISC-V: enable XIP")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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The kyber ioscheduler calls trace_block_rq_insert() *after* the request
is added to the queue but the documentation for trace_block_rq_insert()
says that the call should be made *before* the request is added to the
queue. Move the tracepoint for the kyber ioscheduler so that it is
consistent with the documentation.
Signed-off-by: Vincent Fu <vincent.fu@samsung.com>
Link: https://lore.kernel.org/r/20210804194913.10497-1-vincent.fu@samsung.com
Reviewed by: Adam Manzanares <a.manzanares@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"A regression fix, bug fix, and a comment cleanup for ext4"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix potential htree corruption when growing large_dir directories
ext4: remove conflicting comment from __ext4_forget
ext4: fix potential uninitialized access to retval in kmmpd
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Fix tracepoint race between static_call and callback data
As callbacks to a tracepoint are paired with the data that is passed
in when the callback is registered to the tracepoint, it must have
that data passed to the callback when the tracepoint is triggered,
else bad things will happen. To keep the two together, they are both
assigned to a tracepoint structure and added to an array. The
tracepoint call site will dereference the structure (via RCU) and call
the callback in that structure along with the data in that structure.
This keeps the callback and data tightly coupled.
Because of the overhead that retpolines have on tracepoint callbacks,
if there's only one callback attached to a tracepoint (a common case),
then it is called via a static call (code modified to do a direct call
instead of an indirect call). But to implement this, the data had to
be decoupled from the callback, as now the callback is implemented via
a direct call from the static call and not an indirect call from the
dereferenced structure.
Note, the static call only calls a callback used when there's a single
callback attached to the tracepoint. If more than one callback is
attached to the same tracepoint, then the static call will call an
iterator function that goes back to dereferencing the structure
keeping the callback and its data tightly coupled again.
Issues can arise when going from 0 callbacks to one, as the static
call is assigned to the callback, and it must take care that the data
passed to it is loaded before the static call calls the callback.
Going from 1 to 2 callbacks is not an issue, as long as the static
call is updated to the iterator before the tracepoint structure array
is updated via RCU. Going from 2 to more or back down to 2 is not an
issue as the iterator can handle all theses cases. But going from 2 to
1, care must be taken as the static call is now calling a callback and
the data that is loaded must be the data for that callback.
Care was taken to ensure the callback and data would be in-sync, but
after a bug was reported, it became clear that not enough was done to
make sure that was the case. These changes address this.
The first change is to compare the old and new data instead of the old
and new callback, as it's the data that can corrupt the callback, even
if the callback is the same (something getting freed).
The next change is to convert these transitions into states, to make
it easier to know when a synchronization is needed, and to perform
those synchronizations. The problem with this patch is that it slows
down disabling all events from under a second, to making it take over
10 seconds to do the same work. But that is addressed in the final
patch.
The final patch uses the RCU state functions to keep track of the RCU
state between the transitions, and only needs to perform the
synchronization if an RCU synchronization hasn't been done already.
This brings the performance of disabling all events back to its
original value. That's because no synchronization is required between
disabling tracepoints but is required when enabling a tracepoint after
its been disabled. If an RCU synchronization happens after the
tracepoint is disabled, and before it is re-enabled, there's no need
to do the synchronization again.
Both the second and third patch have subtle complexities that they are
separated into two patches. But because the second patch causes such a
regression in performance, the third patch adds a "Fixes" tag to the
second patch, such that the two must be backported together and not
just the second patch"
* tag 'trace-v5.14-rc4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracepoint: Use rcu get state and cond sync for static call updates
tracepoint: Fix static call function vs data state mismatch
tracepoint: static call: Compare data on transition from 2->1 callees
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix a recent regression in the timer events oriented (TEO) cpuidle
governor causing it to misbehave when idle state 0 is disabled and
rename two local variables for improved clarity on top of that"
* tag 'pm-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: teo: Rename two local variables in teo_select()
cpuidle: teo: Fix alternative idle state lookup
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Revert a recent ACPICA commit causing boot issues to appear on some
systems"
* tag 'acpi-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPICA: Fix memory leak caused by _CID repair function"
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Lots of small fixes for Arm SoCs this time, nothing too worrying:
- omap/beaglebone boot regression fix in gpt12 timer
- revert for i.mx8 soc driver breaking as a platform_driver
- kexec/kdump fixes for op-tee
- various fixes for incorrect DT settings on imx, mvebu, omap, stm32,
and tegra causing problems.
- device tree fixes for static checks in nomadik, versatile, stm32
- code fixes for issues found in build testing and with static
checking on tegra, ixp4xx, imx, omap"
* tag 'soc-fixes-5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (36 commits)
soc: ixp4xx/qmgr: fix invalid __iomem access
soc: ixp4xx: fix printing resources
ARM: ixp4xx: goramo_mlr depends on old PCI driver
ARM: ixp4xx: fix compile-testing soc drivers
soc/tegra: Make regulator couplers depend on CONFIG_REGULATOR
ARM: dts: nomadik: Fix up interrupt controller node names
ARM: dts: stm32: Fix touchscreen IRQ line assignment on DHCOM
ARM: dts: stm32: Disable LAN8710 EDPD on DHCOM
ARM: dts: stm32: Prefer HW RTC on DHCOM SoM
omap5-board-common: remove not physically existing vdds_1v8_main fixed-regulator
ARM: dts: am437x-l4: fix typo in can@0 node
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
bus: ti-sysc: AM3: RNG is GP only
ARM: omap2+: hwmod: fix potential NULL pointer access
arm64: dts: armada-3720-turris-mox: remove mrvl,i2c-fast-mode
arm64: dts: armada-3720-turris-mox: fixed indices for the SDHC controllers
ARM: dts: imx: Swap M53Menlo pinctrl_power_button/pinctrl_power_out pins
ARM: imx: fix missing 3rd argument in macro imx_mmdc_perf_init
ARM: dts: colibri-imx6ull: limit SDIO clock to 25MHz
arm64: dts: ls1028: sl28: fix networking for variant 2
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"It's all pretty minor but the main fix is sorting out how we deal with
return values from 32-bit system calls as audit expects error codes to
be sign-extended to 64 bits
Summary:
- Fix extension/truncation of return values from 32-bit system calls
- Fix interaction between unwinding and tracing
- Fix spurious toolchain warning emitted during make
- Fix Kconfig help text for RANDOMIZE_MODULE_REGION_FULL"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: stacktrace: avoid tracing arch_stack_walk()
arm64: stacktrace: fix comment
arm64: fix the doc of RANDOMIZE_MODULE_REGION_FULL
arm64: move warning about toolchains to archprepare
arm64: fix compat syscall return truncation
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fix from Thomas Bogendoerfer:
"Fix PMD accounting change"
* tag 'mips-fixes_5.14_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: check return value of pgtable_pmd_page_ctor
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes for SPI, small mostly driver specific
things plus a fix for module autoloading which hadn't been working
properly for DT systems"
* tag 'spi-fix-v5.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: cadence-quadspi: Fix check condition for DTR ops
spi: mediatek: Fix fifo transfer
spi: imx: mx51-ecspi: Fix CONFIGREG delay comment
spi: imx: mx51-ecspi: Fix low-speed CONFIGREG delay calculation
spi: update modalias_show after of_device_uevent_modalias support
spi: meson-spicc: fix memory leak in meson_spicc_remove
spi: spi-mux: Add module info needed for autoloading
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"A bunch of driver fixes, notably:
- idxd driver fixes for submission race, driver remove sequence,
setup sequence for MSIXPERM, array index and updating descriptor
vector
- usb-dmac, pm reference leak fix
- xilinx_dma, read-after-free fix
- uniphier-xdmac fix for using atomic readl_poll_timeout_atomic()
- of-dma, router_xlate to return
- imx-dma, generic dma fix"
* tag 'dmaengine-fix-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: imx-dma: configure the generic DMA type to make it work
dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
dmaengine: stm32-dmamux: Fix PM usage counter unbalance in stm32 dmamux ops
dmaengine: stm32-dma: Fix PM usage counter imbalance in stm32 dma ops
dmaengine: uniphier-xdmac: Use readl_poll_timeout_atomic() in atomic state
dmaengine: idxd: fix submission race window
dmaengine: idxd: fix sequence for pci driver remove() and shutdown()
dmaengine: idxd: fix desc->vector that isn't being updated
dmaengine: idxd: fix setup sequence for MSIXPERM table
dmaengine: idxd: fix array index when int_handles are being used
dmaengine: usb-dmac: Fix PM reference leak in usb_dmac_probe()
dmaengine: xilinx_dma: Fix read-after-free bug when terminating transfers
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Pull rdma fixes from Jason Gunthorpe:
"Several small recent regressions - rather more than usual, but nothing
too scary. Good to know people are testing.
- Typo causing incorrect operation of the mlx5 mkey cache
expiration
- Revert a CM patch that is breaking some ULPs
- Typo breaking SRQ in rxe
- Revert a rxe patch breaking icrc calculation
- Static checker warning about unbalanced locking in hns
- Subtle cxgb4 regression from a recent atomic to refcount
conversion"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/iw_cxgb4: Fix refcount underflow while destroying cqs.
RDMA/hns: Fix the double unlock problem of poll_sem
RDMA/rxe: Restore setting tot_len in the IPv4 header
RDMA/rxe: Use the correct size of wqe when processing SRQ
RDMA/cma: Revert INIT-INIT patch
RDMA/mlx5: Delay emptying a cache entry when a new MR is added to it recently
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes:
- A few regression fixes (PCM core fixes, USB-audio fixes)
- Follow up fixes for the USB-audio mixer changes in this cycle
- A long-standing ALSA sequencer race bug fix
- Usual device-specific quirks for HD- and USB-audio"
* tag 'sound-5.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: seq: Fix racy deletion of subscriber
ALSA: memalloc: Fix regression with SNDRV_DMA_TYPE_CONTINUOUS
ALSA: pcm - fix mmap capability check for the snd-dummy driver
ALSA: usb-audio: Avoid unnecessary or invalid connector selection at resume
ALSA: hda/realtek: add mic quirk for Acer SF314-42
ALSA: usb-audio: Add registration quirk for JBL Quantum 600
ALSA: hda/realtek: Fix headset mic for Acer SWIFT SF314-56 (ALC256)
ALSA: usb-audio: Fix superfluous autosuspend recovery
ALSA: usb-audio: fix incorrect clock source setting
ALSA: scarlett2: Fix line out/speaker switching notifications
ALSA: scarlett2: Correct channel mute status after mute button pressed
ALSA: scarlett2: Fix Direct Monitor control name for 2i2
ALSA: scarlett2: Fix Mute/Dim/MSD Mode control names
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Pull drm fixes from Dave Airlie:
"Regular weekly fixes pull, live from a Brisbane lockdown with kids at
home.
A big bunch of scattered amdgpu fixes, but they are all pretty small,
minor i915 fixes, kmb, and one vmwgfx regression fixes, all pretty
quiet for this time.
amdgpu:
- Fix potential out-of-bounds read when updating GPUVM mapping
- Renoir powergating fix
- Yellow Carp updates
- 8K fix for navi1x
- Beige Goby updates and new DIDs
- Fix DMUB firmware version output
- EDP fix
- pmops config fix
i915:
- Call i915_globals_exit if pci_register_device fails
- (follow on fix for section mismatch)
- Correct SFC_DONE register offset
kmb:
- DMA fix
- driver date/version macros
vmwgfx:
- Fix I/O memory access on 64-bit systems"
* tag 'drm-fixes-2021-08-06' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: add DID for beige goby
drm/amdgpu/display: fix DMUB firmware version info
drm/amd/display: workaround for hard hang on HPD on native DP
drm/amd/display: Fix resetting DCN3.1 HW when resuming from S4
drm/amd/display: Increase stutter watermark for dcn303
drm/amd/display: Fix Dynamic bpp issue with 8K30 with Navi 1X
drm/amd/display: Assume LTTPR interop for DCN31+
drm/amdgpu: fix checking pmops when PM_SLEEP is not enabled
drm/amd/pm: update yellow carp pmfw interface version
drm/i915: fix i915_globals_exit() section mismatch error
drm/i915: Call i915_globals_exit() if pci_register_device() fails
drm/i915: Correct SFC_DONE register offset
drm/vmwgfx: Fix a 64bit regression on svga3
drm/amdgpu: fix the doorbell missing when in CGPG issue for renoir.
drm/amdgpu: Fix out-of-bounds read when update mapping
drm/kmb: Define driver date and major/minor version
drm/kmb: Enable LCD DMA for low TVDDCV
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Commit b5776e7524af ("ext4: fix potential htree index checksum
corruption) removed a required restart when multiple levels of index
nodes need to be split. Fix this to avoid directory htree corruptions
when using the large_dir feature.
Cc: stable@kernel.org # v5.11
Cc: Благодаренко Артём <artem.blagodarenko@gmail.com>
Fixes: b5776e7524af ("ext4: fix potential htree index checksum corruption)
Reported-by: Denis <denis@voxelsoft.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.14
Quite a lot of fixes here, the biggest set being for the cs42l42 driver
which is reasonably old but has seen a sudden uptick in activity.
There's also some fixes for correctly referencing PCM buffer addresses
and the removal of some driver-local bodges that had been done for the
lack of prefix handling in DAPM which were broken by the core handling
that as expected.
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State transitions from 1->0->1 and N->2->1 callbacks require RCU
synchronization. Rather than performing the RCU synchronization every
time the state change occurs, which is quite slow when many tracepoints
are registered in batch, instead keep a snapshot of the RCU state on the
most recent transitions which belong to a chain, and conditionally wait
for a grace period on the last transition of the chain if one g.p. has
not elapsed since the last snapshot.
This applies to both RCU and SRCU.
This brings the performance regression caused by commit 231264d6927f
("Fix: tracepoint: static call function vs data state mismatch") back to
what it was originally.
Before this commit:
# trace-cmd start -e all
# time trace-cmd start -p nop
real 0m10.593s
user 0m0.017s
sys 0m0.259s
After this commit:
# trace-cmd start -e all
# time trace-cmd start -p nop
real 0m0.878s
user 0m0.000s
sys 0m0.103s
Link: https://lkml.kernel.org/r/20210805192954.30688-1-mathieu.desnoyers@efficios.com
Link: https://lore.kernel.org/io-uring/4ebea8f0-58c9-e571-fd30-0ce4f6f09c70@samba.org/
Cc: stable@vger.kernel.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Stefan Metzmacher <metze@samba.org>
Fixes: 231264d6927f ("Fix: tracepoint: static call function vs data state mismatch")
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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