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Merge tag 'for-linus-2020-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull thread fixes from Christian Brauner:
"A few fixes and minor improvements:
- Correctly validate the cgroup file descriptor when clone3() is used
with CLONE_INTO_CGROUP.
- Check that a new enough version of struct clone_args is passed
which supports the cgroup file descriptor argument when
CLONE_INTO_CGROUP is set in the flags argument.
- Catch nonsensical struct clone_args layouts at build time.
- Catch extensions of struct clone_args without updating the uapi
visible size definitions at build time.
- Check whether the signal is valid early in kill_pid_usb_asyncio()
before doing further work.
- Replace open-coded rcu_read_lock()+kill_pid_info()+rcu_read_unlock()
sequence in kill_something_info() with kill_proc_info() which is a
dedicated helper to do just that"
* tag 'for-linus-2020-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
clone3: add build-time CLONE_ARGS_SIZE_VER* validity checks
clone3: add a check for the user struct size if CLONE_INTO_CGROUP is set
clone3: fix cgroup argument sanity check
signal: use kill_proc_info instead of kill_pid_info in kill_something_info
signal: check sig before setting info in kill_pid_usb_asyncio
Pull i2c fixes from Wolfram Sang:
"Some driver bugfixes and an old API removal now that all users are
gone"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: tegra: Synchronize DMA before termination
i2c: tegra: Better handle case where CPU0 is busy for a long time
i2c: remove i2c_new_probed_device API
i2c: altera: use proper variable to hold errno
i2c: designware: platdrv: Remove DPM_FLAG_SMART_SUSPEND flag on BYT and CHT
i915:
- Fix guest page access by using the brand new VFIO dma r/w interface (Yan)
- Fix for i915 perf read buffers (Ashutosh)
amdgpu:
- gfx10 fix
- SMU7 overclocking fix
- RAS fix
- GPU reset fix
- Fix a regression in a previous s/r fix
- Add a gfxoff quirk
nouveau:
- fix missing MODULE_FIRMWARE
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Merge tag 'drm-fixes-2020-04-18' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Quiet enough for rc2, mostly amdgpu fixes, a couple of i915 fixes, and
one nouveau module firmware fix:
i915:
- Fix guest page access by using the brand new VFIO dma r/w interface (Yan)
- Fix for i915 perf read buffers (Ashutosh)
amdgpu:
- gfx10 fix
- SMU7 overclocking fix
- RAS fix
- GPU reset fix
- Fix a regression in a previous suspend/resume fix
- Add a gfxoff quirk
nouveau:
- fix missing MODULE_FIRMWARE"
* tag 'drm-fixes-2020-04-18' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/sec2/gv100-: add missing MODULE_FIRMWARE()
drm/amdgpu/gfx9: add gfxoff quirk
drm/amdgpu: fix the hw hang during perform system reboot and reset
drm/i915/gvt: switch to user vfio_group_pin/upin_pages
drm/i915/gvt: subsitute kvm_read/write_guest with vfio_dma_rw
drm/i915/gvt: hold reference of VFIO group during opening of vgpu
drm/i915/perf: Do not clear pollin for small user read buffers
drm/amdgpu: fix wrong vram lost counter increment V2
drm/amd/powerplay: unload mp1 for Arcturus RAS baco reset
drm/amd/powerplay: force the trim of the mclk dpm_levels if OD is enabled
Revert "drm/amdgpu: change SH MEM alignment mode for gfx10"
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Merge tag 'docs-fixes' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A handful of fixes for reasonably obnoxious documentation issues"
* tag 'docs-fixes' of git://git.lwn.net/linux:
scripts: documentation-file-ref-check: Add line break before exit
scripts/kernel-doc: Add missing close-paren in c:function directives
docs: admin-guide: merge sections for the kernel.modprobe sysctl
docs: timekeeping: Use correct prototype for deprecated functions
Pull proc fix from Eric Biederman:
"While running syzbot happened to spot one more oversight in my rework
of proc_flush_task.
The fields proc_self and proc_thread_self were not being reinitialized
when proc was unmounted, which could cause problems if the mount of
proc fails"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
proc: Handle umounts cleanly
- Fix warnings from enabling more dtc warnings which landed in the merge
window and didn't get fixed in time.
- Fix some document references from DT schema conversions
- Fix kmemleak errors in DT unittests
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Merge tag 'devicetree-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix warnings from enabling more dtc warnings which landed in the
merge window and didn't get fixed in time.
- Fix some document references from DT schema conversions
- Fix kmemleak errors in DT unittests
* tag 'devicetree-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (23 commits)
kbuild: check libyaml installation for 'make dt_binding_check'
of: unittest: kmemleak in duplicate property update
of: overlay: kmemleak in dup_and_fixup_symbol_prop()
of: unittest: kmemleak in of_unittest_overlay_high_level()
of: unittest: kmemleak in of_unittest_platform_populate()
of: unittest: kmemleak on changeset destroy
MAINTAINERS: dt: fix pointers for ARM Integrator, Versatile and RealView
MAINTAINERS: dt: update display/allwinner file entry
dt-bindings: iio: dac: AD5570R fix bindings errors
dt-bindings: Fix misspellings of "Analog Devices"
dt-bindings: pwm: Fix cros-ec-pwm example dtc 'reg' warning
docs: dt: rockchip,dwc3.txt: fix a pointer to a renamed file
docs: dt: fix a broken reference for a file converted to json
docs: dt: qcom,dwc3.txt: fix cross-reference for a converted file
docs: dt: fix broken reference to phy-cadence-torrent.yaml
dt-bindings: interrupt-controller: Fix loongson,parent_int_map property schema
dt-bindings: hwmon: Fix incorrect $id paths
dt-bindings: Fix dtc warnings on reg and ranges in examples
dt-bindings: BD718x7 - add missing I2C bus properties
dt-bindings: clock: syscon-icst: Remove unneeded unit name
...
- Delete the space separator in the __emit_inst macro as it breaks the
clang integrated assembler.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Remove vdso code trying to free unallocated pages.
- Delete the space separator in the __emit_inst macro as it breaks the
clang integrated assembler.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Delete the space separator in __emit_inst
arm64: vdso: don't free unallocated pages
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Merge tag 'for-linus-5.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen update from Juergen Gross:
- a small cleanup patch
- a security fix for a bug in the Xen hypervisor to avoid enabling Xen
guests to crash dom0 on an unfixed hypervisor.
* tag 'for-linus-5.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
arm/xen: make _xen_start_info static
xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
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Merge tag 'io_uring-5.7-2020-04-17' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- wrap up the init/setup cleanup (Pavel)
- fix some issues around deferral sequences (Pavel)
- fix splice punt check using the wrong struct file member
- apply poll re-arm logic for pollable retry too
- pollable retry should honor cancelation
- fix setup time error handling syzbot reported crash
- restore work state when poll is canceled
* tag 'io_uring-5.7-2020-04-17' of git://git.kernel.dk/linux-block:
io_uring: don't count rqs failed after current one
io_uring: kill already cached timeout.seq_offset
io_uring: fix cached_sq_head in io_timeout()
io_uring: only post events in io_poll_remove_all() if we completed some
io_uring: io_async_task_func() should check and honor cancelation
io_uring: check for need to re-wait in polled async handling
io_uring: correct O_NONBLOCK check for splice punt
io_uring: restore req->work when canceling poll request
io_uring: move all request init code in one place
io_uring: keep all sqe->flags in req->flags
io_uring: early submission req fail code
io_uring: track mm through current->mm
io_uring: remove obsolete @mm_fault
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Merge tag 'block-5.7-2020-04-17' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Fix for a driver tag leak in error handling (John)
- Remove now defunct Kconfig selection from dasd (Stefan)
- blk-wbt trace fiexs (Tommi)
* tag 'block-5.7-2020-04-17' of git://git.kernel.dk/linux-block:
blk-wbt: Drop needless newlines from tracepoint format strings
blk-wbt: Use tracepoint_string() for wbt_step tracepoint string literals
s390/dasd: remove IOSCHED_DEADLINE from DASD Kconfig
blk-mq: Put driver tag in blk_mq_dispatch_rq_list() when no budget
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Merge tag 'libata-5.7-2020-04-17' of git://git.kernel.dk/linux-block
Pull libata fixlet from Jens Axboe:
"Add yet another Comet Lake PCI ID for ahci"
* tag 'libata-5.7-2020-04-17' of git://git.kernel.dk/linux-block:
ahci: Add Intel Comet Lake PCH-U PCI ID
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Merge tag 'for-5.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"A regression fix for a warning caused by running balance and snapshot
creation in parallel"
* tag 'for-5.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix setting last_trans for reloc roots
Allow the operating performance points (OPP) core to be used in
the case when the same driver is used on different platforms,
some of which have an OPP table and some of which have a clock
node (Rajendra Nayak).
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Merge tag 'pm-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management update from Rafael Wysocki:
"Allow the operating performance points (OPP) core to be used in the
case when the same driver is used on different platforms, some of
which have an OPP table and some of which have a clock node (Rajendra
Nayak)"
* tag 'pm-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
opp: Manage empty OPP tables with clk handle
One significant regression fix is for HD-audio buffer preallocation.
In 5.6 it was set to non-prompt for x86 and forced to 0, but this
turned out to be problematic for some applications, hence it gets
reverted. Distros would need to restore CONFIG_SND_HDA_PREALLOC_SIZE
value to the earlier values they've used in the past.
Other than that, we've received quite a few small fixes for HD-audio
and USB-audio. Most of them are for dealing with the broken TRX40
mobos and the runtime PM without HD-audio codecs.
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Merge tag 'sound-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"One significant regression fix is for HD-audio buffer preallocation.
In 5.6 it was set to non-prompt for x86 and forced to 0, but this
turned out to be problematic for some applications, hence it gets
reverted. Distros would need to restore CONFIG_SND_HDA_PREALLOC_SIZE
value to the earlier values they've used in the past.
Other than that, we've received quite a few small fixes for HD-audio
and USB-audio. Most of them are for dealing with the broken TRX40
mobos and the runtime PM without HD-audio codecs"
* tag 'sound-5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: call runtime_allow() for all hda controllers
ALSA: hda: Allow setting preallocation again for x86
ALSA: hda: Explicitly permit using autosuspend if runtime PM is supported
ALSA: hda: Skip controller resume if not needed
ALSA: hda: Keep the controller initialization even if no codecs found
ALSA: hda: Release resources at error in delayed probe
ALSA: hda: Honor PM disablement in PM freeze and thaw_noirq ops
ALSA: hda: Don't release card at firmware loading error
ALSA: usb-audio: Check mapping at creating connector controls, too
ALSA: usb-audio: Don't create jack controls for PCM terminals
ALSA: usb-audio: Don't override ignore_ctl_error value from the map
ALSA: usb-audio: Filter error from connector kctl ops, too
ALSA: hda/realtek - Enable the headset mic on Asus FX505DT
ALSA: ctxfi: Remove unnecessary cast in kfree
If you run 'make dtbs_check' without installing the libyaml package,
the error message "dtc needs libyaml ..." is shown.
This should be checked also for 'make dt_binding_check' because dtc
needs to validate *.example.dts extracted from *.yaml files.
It is missing since commit 4f0e3a57d6 ("kbuild: Add support for DT
binding schema checks"), but this fix-up is applicable only after commit
e10c4321dc ("kbuild: allow to run dt_binding_check and dtbs_check
in a single command").
I gave the Fixes tag to the latter in case somebody is interested in
back-porting this.
Fixes: e10c4321dc ("kbuild: allow to run dt_binding_check and dtbs_check in a single command")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Drop needless newlines from tracepoint format strings, they only add
empty lines to perf tracing output.
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Use tracepoint_string() for string literals that are used in the
wbt_step tracepoint, so that userspace tools can display the string
content.
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
CONFIG_IOSCHED_DEADLINE was removed with
commit f382fb0bce ("block: remove legacy IO schedulers")
and setting of the scheduler was removed with
commit a5fd8ddce2 ("s390/dasd: remove setting of scheduler from driver").
So get rid of the select.
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 5 of 5.
When overlay 'overlay_bad_add_dup_prop' is applied, the apply code
properly detects that a memory leak will occur if the overlay is removed
since the duplicate property is located in a base devicetree node and
reports via printk():
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail
OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data-2/substation@100/motor-1/rpm_avail
The overlay is removed when the apply code detects multiple changesets
modifying the same property. This is reported via printk():
OF: overlay: ERROR: multiple fragments add, update, and/or delete property /testcase-data-2/substation@100/motor-1/rpm_avail
As a result of this error, the overlay is removed resulting in the
expected memory leak.
Add another device node level to the overlay so that the duplicate
property is located in a node added by the overlay, thus no memory
leak will occur when the overlay is removed.
Thus users of kmemleak will not have to debug this leak in the future.
Fixes: 2fe0e8769d ("of: overlay: check prevents multiple fragments touching same property")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 4 of 5.
target_path was not freed in the non-error path.
Fixes: e0a58f3e08 ("of: overlay: remove a dependency on device node full_name")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 3 of 5.
of_unittest_overlay_high_level() failed to kfree the newly created
property when the property named 'name' is skipped.
Fixes: 39a751a4cb ("of: change overlay apply input data from unflattened to FDT")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 2 of 5.
of_unittest_platform_populate() left an elevated reference count for
grandchild nodes (which are platform devices). Fix the platform
device reference counts so that the memory will be freed.
Fixes: fb2caa50fb ("of/selftest: add testcase for nodes with same name and address")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 1 of 5.
of_unittest_changeset() reaches deeply into the dynamic devicetree
functions. Several nodes were left with an elevated reference
count and thus were not properly cleaned up. Fix the reference
counts so that the memory will be freed.
Fixes: 201c910bd6 ("of: Transactional DT support.")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
There's a conversion from a plain text binding file into 4 yaml ones.
The old file got removed, causing this new warning:
Warning: MAINTAINERS references a file that doesn't exist: Documentation/devicetree/bindings/arm/arm-boards
Address it by replacing the old reference by the new ones
Fixes: 4b900070d5 ("dt-bindings: arm: Add Versatile YAML schema")
Fixes: 2d483550b6 ("dt-bindings: arm: Drop the non-YAML bindings")
Fixes: 7db625b9fa ("dt-bindings: arm: Add RealView YAML schema")
Fixes: 4fb00d9066 ("dt-bindings: arm: Add Versatile Express and Juno YAML schema")
Fixes: 33fbfb3eaf ("dt-bindings: arm: Add Integrator YAML schema")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Changeset f5a98bfe7b ("dt-bindings: display: Convert Allwinner display pipeline to schemas")
split Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
into several files. Yet, it kept the old place at MAINTAINERS.
Update it to point to the new place.
Fixes: f5a98bfe7b ("dt-bindings: display: Convert Allwinner display pipeline to schemas")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
I made a mistake with my previous fix, I assumed that we didn't need to
mess with the reloc roots once we were out of the part of relocation where
we are actually moving the extents.
The subtle thing that I missed is that btrfs_init_reloc_root() also
updates the last_trans for the reloc root when we do
btrfs_record_root_in_trans() for the corresponding fs_root. I've added a
comment to make sure future me doesn't make this mistake again.
This showed up as a WARN_ON() in btrfs_copy_root() because our
last_trans didn't == the current transid. This could happen if we
snapshotted a fs root with a reloc root after we set
rc->create_reloc_tree = 0, but before we actually merge the reloc root.
Worth mentioning that the regression produced the following warning
when running snapshot creation and balance in parallel:
BTRFS info (device sdc): relocating block group 30408704 flags metadata|dup
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12823 at fs/btrfs/ctree.c:191 btrfs_copy_root+0x26f/0x430 [btrfs]
CPU: 0 PID: 12823 Comm: btrfs Tainted: G W 5.6.0-rc7-btrfs-next-58 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:btrfs_copy_root+0x26f/0x430 [btrfs]
RSP: 0018:ffffb96e044279b8 EFLAGS: 00010202
RAX: 0000000000000009 RBX: ffff9da70bf61000 RCX: ffffb96e04427a48
RDX: ffff9da733a770c8 RSI: ffff9da70bf61000 RDI: ffff9da694163818
RBP: ffff9da733a770c8 R08: fffffffffffffff8 R09: 0000000000000002
R10: ffffb96e044279a0 R11: 0000000000000000 R12: ffff9da694163818
R13: fffffffffffffff8 R14: ffff9da6d2512000 R15: ffff9da714cdac00
FS: 00007fdeacf328c0(0000) GS:ffff9da735e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a2a5b8a118 CR3: 00000001eed78002 CR4: 00000000003606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? create_reloc_root+0x49/0x2b0 [btrfs]
? kmem_cache_alloc_trace+0xe5/0x200
create_reloc_root+0x8b/0x2b0 [btrfs]
btrfs_reloc_post_snapshot+0x96/0x5b0 [btrfs]
create_pending_snapshot+0x610/0x1010 [btrfs]
create_pending_snapshots+0xa8/0xd0 [btrfs]
btrfs_commit_transaction+0x4c7/0xc50 [btrfs]
? btrfs_mksubvol+0x3cd/0x560 [btrfs]
btrfs_mksubvol+0x455/0x560 [btrfs]
__btrfs_ioctl_snap_create+0x15f/0x190 [btrfs]
btrfs_ioctl_snap_create_v2+0xa4/0xf0 [btrfs]
? mem_cgroup_commit_charge+0x6e/0x540
btrfs_ioctl+0x12d8/0x3760 [btrfs]
? do_raw_spin_unlock+0x49/0xc0
? _raw_spin_unlock+0x29/0x40
? __handle_mm_fault+0x11b3/0x14b0
? ksys_ioctl+0x92/0xb0
ksys_ioctl+0x92/0xb0
? trace_hardirqs_off_thunk+0x1a/0x1c
__x64_sys_ioctl+0x16/0x20
do_syscall_64+0x5c/0x280
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fdeabd3bdd7
Fixes: 2abc726ab4 ("btrfs: do not init a reloc root if we aren't relocating")
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Fix the following sparse warning:
arch/arm64/xen/../../arm/xen/enlighten.c:39:19: warning: symbol
'_xen_start_info' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Link: https://lore.kernel.org/r/20200415084853.5808-1-yanaijie@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
Two small fixes for cros_ec_sensorhub_ring.c, addressing issues
introduced in the cros_ec_sensorhub FIFO support commit.
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Merge tag 'tag-chrome-platform-fixes-for-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome-platform fixes from Benson Leung:
"Two small fixes for cros_ec_sensorhub_ring.c, addressing issues
introduced in the cros_ec_sensorhub FIFO support commit"
* tag 'tag-chrome-platform-fixes-for-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_sensorhub: Add missing '\n' in log messages
platform/chrome: cros_ec_sensorhub: Off by one in cros_sensorhub_send_sample()
Pull networking fixes from David Miller:
1) Disable RISCV BPF JIT builds when !MMU, from Björn Töpel.
2) nf_tables leaves dangling pointer after free, fix from Eric Dumazet.
3) Out of boundary write in __xsk_rcv_memcpy(), fix from Li RongQing.
4) Adjust icmp6 message source address selection when routes have a
preferred source address set, from Tim Stallard.
5) Be sure to validate HSR protocol version when creating new links,
from Taehee Yoo.
6) CAP_NET_ADMIN should be sufficient to manage l2tp tunnels even in
non-initial namespaces, from Michael Weiß.
7) Missing release firmware call in mlx5, from Eran Ben Elisha.
8) Fix variable type in macsec_changelink(), caught by KASAN. Fix from
Taehee Yoo.
9) Fix pause frame negotiation in marvell phy driver, from Clemens
Gruber.
10) Record RX queue early enough in tun packet paths such that XDP
programs will see the correct RX queue index, from Gilberto Bertin.
11) Fix double unlock in mptcp, from Florian Westphal.
12) Fix offset overflow in ARM bpf JIT, from Luke Nelson.
13) marvell10g needs to soft reset PHY when coming out of low power
mode, from Russell King.
14) Fix MTU setting regression in stmmac for some chip types, from
Florian Fainelli.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
amd-xgbe: Use __napi_schedule() in BH context
mISDN: make dmril and dmrim static
net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes
net: dsa: mt7530: fix tagged frames pass-through in VLAN-unaware mode
tipc: fix incorrect increasing of link window
Documentation: Fix tcp_challenge_ack_limit default value
net: tulip: make early_486_chipsets static
dt-bindings: net: ethernet-phy: add desciption for ethernet-phy-id1234.d400
ipv6: remove redundant assignment to variable err
net/rds: Use ERR_PTR for rds_message_alloc_sgs()
net: mscc: ocelot: fix untagged packet drops when enslaving to vlan aware bridge
selftests/bpf: Check for correct program attach/detach in xdp_attach test
libbpf: Fix type of old_fd in bpf_xdp_set_link_opts
libbpf: Always specify expected_attach_type on program load if supported
xsk: Add missing check on user supplied headroom size
mac80211: fix channel switch trigger from unknown mesh peer
mac80211: fix race in ieee80211_register_hw()
net: marvell10g: soft-reset the PHY when coming out of low power
net: marvell10g: report firmware version
net/cxgb4: Check the return from t4_query_params properly
...
The driver uses __napi_schedule_irqoff() which is fine as long as it is
invoked with disabled interrupts by everybody. Since the commit
mentioned below the driver may invoke xgbe_isr_task() in tasklet/softirq
context. This may lead to list corruption if another driver uses
__napi_schedule_irqoff() in IRQ context.
Use __napi_schedule() which safe to use from IRQ and softirq context.
Fixes: 85b85c8534 ("amd-xgbe: Re-issue interrupt if interrupt status not cleared")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the following sparse warning:
drivers/isdn/hardware/mISDN/mISDNisar.c:746:12: warning: symbol 'dmril'
was not declared. Should it be static?
drivers/isdn/hardware/mISDN/mISDNisar.c:749:12: warning: symbol 'dmrim'
was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After commit bfcb813203 ("net: dsa:
configure the MTU for switch ports") my Lamobo R1 platform which uses
an allwinner,sun7i-a20-gmac compatible Ethernet MAC started to fail
by rejecting a MTU of 1536. The reason for that is that the DMA
capabilities are not readable on this version of the IP, and there
is also no 'tx-fifo-depth' property being provided in Device Tree. The
property is documented as optional, and is not provided.
Chen-Yu indicated that the FIFO sizes are 4KB for TX and 16KB for RX, so
provide these values through platform data as an immediate fix until
various Device Tree sources get updated accordingly.
Fixes: eaf4fac478 ("net: stmmac: Do not accept invalid MTU values")
Suggested-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
In VLAN-unaware mode, the Egress Tag (EG_TAG) field in Port VLAN
Control register must be set to Consistent to let tagged frames pass
through as is, otherwise their tags will be stripped.
Fixes: 83163f7dca ("net: dsa: mediatek: add VLAN support for MT7530")
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to https://www.analog.com/, the company name is spelled
"Analog Devices".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
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Merge tag 'selinux-pr-20200416' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull SELinux fix from Paul Moore:
"One small SELinux fix to ensure we cleanup properly on an error
condition"
* tag 'selinux-pr-20200416' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: free str on error in str_read()
for invalid pointer dereference and uninitialized variable use on
asynchronous create and unlink error paths.
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Merge tag 'ceph-for-5.7-rc2' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
- a set of patches for a deadlock on "rbd map" error path
- a fix for invalid pointer dereference and uninitialized variable use
on asynchronous create and unlink error paths.
* tag 'ceph-for-5.7-rc2' of git://github.com/ceph/ceph-client:
ceph: fix potential bad pointer deref in async dirops cb's
rbd: don't mess with a page vector in rbd_notify_op_lock()
rbd: don't test rbd_dev->opts in rbd_dev_image_release()
rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
rbd: avoid a deadlock on header_rwsem when flushing notifies
snapshot trigger. On a slow machine, the trigger can occur before the
snapshot is allocated causing a warning to be displayed in the ring buffer,
and no snapshot triggering. Reversing the allocation and the enabling of the
trigger fixes the problem.
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Merge tag 'trace-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix from Steven Rostedt:
"This fixes a small race between allocating a snapshot buffer and
setting the snapshot trigger.
On a slow machine, the trigger can occur before the snapshot is
allocated causing a warning to be displayed in the ring buffer, and no
snapshot triggering. Reversing the allocation and the enabling of the
trigger fixes the problem"
* tag 'trace-v5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix the race between registering 'snapshot' event trigger and triggering 'snapshot' operation
If seq_file .next function does not change position index,
read after some lseek can generate unexpected output:
$ dd if=/proc/keys bs=1 # full usual output
0f6bfdf5 I--Q--- 2 perm 3f010000 1000 1000 user 4af2f79ab8848d0a: 740
1fb91b32 I--Q--- 3 perm 1f3f0000 1000 65534 keyring _uid.1000: 2
27589480 I--Q--- 1 perm 0b0b0000 0 0 user invocation_id: 16
2f33ab67 I--Q--- 152 perm 3f030000 0 0 keyring _ses: 2
33f1d8fa I--Q--- 4 perm 3f030000 1000 1000 keyring _ses: 1
3d427fda I--Q--- 2 perm 3f010000 1000 1000 user 69ec44aec7678e5a: 740
3ead4096 I--Q--- 1 perm 1f3f0000 1000 65534 keyring _uid_ses.1000: 1
521+0 records in
521+0 records out
521 bytes copied, 0,00123769 s, 421 kB/s
But a read after lseek in middle of last line results in the partial
last line and then a repeat of the final line:
$ dd if=/proc/keys bs=500 skip=1
dd: /proc/keys: cannot skip to specified offset
g _uid_ses.1000: 1
3ead4096 I--Q--- 1 perm 1f3f0000 1000 65534 keyring _uid_ses.1000: 1
0+1 records in
0+1 records out
97 bytes copied, 0,000135035 s, 718 kB/s
and a read after lseek beyond end of file results in the last line being
shown:
$ dd if=/proc/keys bs=1000 skip=1 # read after lseek beyond end of file
dd: /proc/keys: cannot skip to specified offset
3ead4096 I--Q--- 1 perm 1f3f0000 1000 65534 keyring _uid_ses.1000: 1
0+1 records in
0+1 records out
76 bytes copied, 0,000119981 s, 633 kB/s
See https://bugzilla.kernel.org/show_bug.cgi?id=206283
Fixes: 1f4aace60b ("fs/seq_file.c: simplify seq_file iteration code ...")
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add Intel Comet Lake PCH-U PCI ID to the list of supported controllers.
Set default SATA LPM so the SoC can enter S0ix.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If in blk_mq_dispatch_rq_list() we find no budget, then we break of the
dispatch loop, but the request may keep the driver tag, evaulated
in 'nxt' in the previous loop iteration.
Fix by putting the driver tag for that request.
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
ASB was failing to load on Turing GPUs when firmware is being loaded
from initramfs, leaving the GPU in an odd state and causing suspend/
resume to fail.
Add missing MODULE_FIRMWARE() lines for initramfs generators.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: <stable@vger.kernel.org> # 5.6
syzbot writes:
> KASAN: use-after-free Read in dput (2)
>
> proc_fill_super: allocate dentry failed
> ==================================================================
> BUG: KASAN: use-after-free in fast_dput fs/dcache.c:727 [inline]
> BUG: KASAN: use-after-free in dput+0x53e/0xdf0 fs/dcache.c:846
> Read of size 4 at addr ffff88808a618cf0 by task syz-executor.0/8426
>
> CPU: 0 PID: 8426 Comm: syz-executor.0 Not tainted 5.6.0-next-20200412-syzkaller #0
> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
> Call Trace:
> __dump_stack lib/dump_stack.c:77 [inline]
> dump_stack+0x188/0x20d lib/dump_stack.c:118
> print_address_description.constprop.0.cold+0xd3/0x315 mm/kasan/report.c:382
> __kasan_report.cold+0x35/0x4d mm/kasan/report.c:511
> kasan_report+0x33/0x50 mm/kasan/common.c:625
> fast_dput fs/dcache.c:727 [inline]
> dput+0x53e/0xdf0 fs/dcache.c:846
> proc_kill_sb+0x73/0xf0 fs/proc/root.c:195
> deactivate_locked_super+0x8c/0xf0 fs/super.c:335
> vfs_get_super+0x258/0x2d0 fs/super.c:1212
> vfs_get_tree+0x89/0x2f0 fs/super.c:1547
> do_new_mount fs/namespace.c:2813 [inline]
> do_mount+0x1306/0x1b30 fs/namespace.c:3138
> __do_sys_mount fs/namespace.c:3347 [inline]
> __se_sys_mount fs/namespace.c:3324 [inline]
> __x64_sys_mount+0x18f/0x230 fs/namespace.c:3324
> do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
> entry_SYSCALL_64_after_hwframe+0x49/0xb3
> RIP: 0033:0x45c889
> Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
> RSP: 002b:00007ffc1930ec48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
> RAX: ffffffffffffffda RBX: 0000000001324914 RCX: 000000000045c889
> RDX: 0000000020000140 RSI: 0000000020000040 RDI: 0000000000000000
> RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
> R13: 0000000000000749 R14: 00000000004ca15a R15: 0000000000000013
Looking at the code now that it the internal mount of proc is no
longer used it is possible to unmount proc. If proc is unmounted
the fields of the pid namespace that were used for filesystem
specific state are not reinitialized.
Which means that proc_self and proc_thread_self can be pointers to
already freed dentries.
The reported user after free appears to be from mounting and
unmounting proc followed by mounting proc again and using error
injection to cause the new root dentry allocation to fail. This in
turn results in proc_kill_sb running with proc_self and
proc_thread_self still retaining their values from the previous mount
of proc. Then calling dput on either proc_self of proc_thread_self
will result in double put. Which KASAN sees as a use after free.
Solve this by always reinitializing the filesystem state stored
in the struct pid_namespace, when proc is unmounted.
Reported-by: syzbot+72868dd424eb66c6b95f@syzkaller.appspotmail.com
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Fixes: 69879c01a0 ("proc: Remove the now unnecessary internal mount of proc")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Merge tag 'efi-urgent-2020-04-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
"Misc EFI fixes, including the boot failure regression caused by the
BSS section not being cleared by the loaders"
* tag 'efi-urgent-2020-04-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/x86: Revert struct layout change to fix kexec boot regression
efi/x86: Don't remap text<->rodata gap read-only for mixed mode
efi/x86: Fix the deletion of variables in mixed mode
efi/libstub/file: Merge file name buffers to reduce stack usage
Documentation/x86, efi/x86: Clarify EFI handover protocol and its requirements
efi/arm: Deal with ADR going out of range in efi_enter_kernel()
efi/x86: Always relocate the kernel for EFI handover entry
efi/x86: Move efi stub globals from .bss to .data
efi/libstub/x86: Remove redundant assignment to pointer hdr
efi/cper: Use scnprintf() for avoiding potential buffer overflow
Linus Torvalds