Now that we query all the parameters, adding support for new hardware
is easy. This commit adds support for the touchpad found on the
HP x2 10-n000nd touchpad 2-in-1.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Note all Elan touchpads have a LED make this configurable using
a flag in hi_id.driver_data.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Query the resolution from the touchpad and report it to userspace
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Query the device's max_x and max_y value from the touchpad rather then
hardcoding it. This makes adding support for other USB ids a lot easier.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Elan has given me a (GPL-ed) Android driver for their non HID-mt touchpads
to help improve the upstream support.
Acoording to Elan what we are currently reporting as tool-width
really is a per-touch pressure. This always has a maximum of 255, so there
is no need to make the max configurable.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
We never report MT_TOUCH_MAJOR, so lets not claim that we do.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
max_area_x and max_area_y are initialized but never used anywhere,
drop them.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull HID fixes from Jiri Kosina:
- spectrev1 pattern fix in hiddev from Gustavo A. R. Silva
- bounds check fix for hid-debug from Daniel Rosenberg
- regression fix for HID autobinding from Benjamin Tissoires
- removal of excessive logging from i2c-hid driver from Jason Andryuk
- fix specific to 2nd generation of Wacom Intuos devices from Jason
Gerecke
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: hiddev: fix potential Spectre v1
HID: i2c-hid: Fix "incomplete report" noise
HID: wacom: Correct touch maximum XY of 2nd-gen Intuos
HID: debug: check length before copy_to_user()
HID: core: allow concurrent registration of drivers
Update my TDA998x HDMI encoder MAINTAINERS entry to include the
dt-bindings header, and a keyword pattern to catch patches containing
the DT compatible. Also change the status to "maintained" rather than
"supported".
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
uref->field_index, uref->usage_index, finfo.field_index and cinfo.index can be
indirectly controlled by user-space, hence leading to a potential exploitation
of the Spectre variant 1 vulnerability.
This issue was detected with the help of Smatch:
drivers/hid/usbhid/hiddev.c:473 hiddev_ioctl_usage() warn: potential spectre issue 'report->field' (local cap)
drivers/hid/usbhid/hiddev.c:477 hiddev_ioctl_usage() warn: potential spectre issue 'field->usage' (local cap)
drivers/hid/usbhid/hiddev.c:757 hiddev_ioctl() warn: potential spectre issue 'report->field' (local cap)
drivers/hid/usbhid/hiddev.c:801 hiddev_ioctl() warn: potential spectre issue 'hid->collection' (local cap)
Fix this by sanitizing such structure fields before using them to index
report->field, field->usage and hid->collection
Notice that given that speculation windows are large, the policy is
to kill the speculation on the first load and not worry if it can be
completed with a dependent load/store [1].
[1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Commit ac75a04104 ("HID: i2c-hid: fix size check and type usage") started
writing messages when the ret_size is <= 2 from i2c_master_recv. However, my
device i2c-DLL07D1 returns 2 for a short period of time (~0.5s) after I stop
moving the pointing stick or touchpad. It varies, but you get ~50 messages
each time which spams the log hard.
[ 95.925055] i2c_hid i2c-DLL07D1:01: i2c_hid_get_input: incomplete report (83/2)
This has also been observed with a i2c-ALP0017.
[ 1781.266353] i2c_hid i2c-ALP0017:00: i2c_hid_get_input: incomplete report (30/2)
Only print the message when ret_size is totally invalid and less than 2 to cut
down on the log spam.
Fixes: ac75a04104 ("HID: i2c-hid: fix size check and type usage")
Reported-by: John Smith <john-s-84@gmx.net>
Cc: stable@vger.kernel.org
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
A small collection of fixes, sort of the usual at this point, all for
i.MX or OMAP:
- Enable ULPI drivers on i.MX to avoid a hang
- Pinctrl fix for touchscreen on i.MX51 ZII RDU1
- Fixes for ethernet clock references on am3517
- mmc0 write protect detection fix for am335x
- kzalloc->kcalloc conversion in an OMAP driver
- USB metastability fix for USB on dra7
- Fix touchscreen wakeup on am437x
-----BEGIN PGP SIGNATURE-----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=N/ik
-----END PGP SIGNATURE-----
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A small collection of fixes, sort of the usual at this point, all for
i.MX or OMAP:
- Enable ULPI drivers on i.MX to avoid a hang
- Pinctrl fix for touchscreen on i.MX51 ZII RDU1
- Fixes for ethernet clock references on am3517
- mmc0 write protect detection fix for am335x
- kzalloc->kcalloc conversion in an OMAP driver
- USB metastability fix for USB on dra7
- Fix touchscreen wakeup on am437x"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: imx_v4_v5_defconfig: Select ULPI support
ARM: imx_v6_v7_defconfig: Select ULPI support
ARM: dts: omap3: Fix am3517 mdio and emac clock references
ARM: dts: am335x-bone-common: Fix mmc0 Write Protect
bus: ti-sysc: Use 2-factor allocator arguments
ARM: dts: dra7: Disable metastability workaround for USB2
ARM: dts: imx51-zii-rdu1: fix touchscreen pinctrl
ARM: dts: am437x: make edt-ft5x06 a wakeup source
Pull x86/pti updates from Thomas Gleixner:
"Two small fixes correcting the handling of SSB mitigations on AMD
processors"
* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR
x86/bugs: Update when to check for the LS_CFG SSBD mitigation
Pull x86 fixes from Thomas Gleixner:
- Prevent an out-of-bounds access in mtrr_write()
- Break a circular dependency in the new hyperv IPI acceleration code
- Address the build breakage related to inline functions by enforcing
gnu_inline and explicitly bringing native_save_fl() out of line,
which also adds a set of _ARM_ARG macros which provide 32/64bit
safety.
- Initialize the shadow CR4 per cpu variable before using it.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mtrr: Don't copy out-of-bounds data in mtrr_write
x86/hyper-v: Fix the circular dependency in IPI enlightenment
x86/paravirt: Make native_save_fl() extern inline
x86/asm: Add _ASM_ARG* constants for argument registers to <asm/asm.h>
compiler-gcc.h: Add __attribute__((gnu_inline)) to all inline declarations
x86/mm/32: Initialize the CR4 shadow before __flush_tlb_all()
Pull scheduler fixes from Thomas Gleixner:
- The hopefully final fix for the reported race problems in
kthread_parkme(). The previous attempt still left a hole and was
partially wrong.
- Plug a race in the remote tick mechanism which triggers a warning
about updates not being done correctly. That's a false positive if
the race condition is hit as the remote CPU is idle. Plug it by
checking the condition again when holding run queue lock.
- Fix a bug in the utilization estimation of a run queue which causes
the estimation to be 0 when a run queue is throttled.
- Advance the global expiration of the period timer when the timer is
restarted after a idle period. Otherwise the expiry time is stale and
the timer fires prematurely.
- Cure the drift between the bandwidth timer and the runqueue
accounting, which leads to bogus throttling of runqueues
- Place the call to cpufreq_update_util() correctly so the function
will observe the correct number of running RT tasks and not a stale
one.
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
kthread, sched/core: Fix kthread_parkme() (again...)
sched/util_est: Fix util_est_dequeue() for throttled cfs_rq
sched/fair: Advance global expiration when period timer is restarted
sched/fair: Fix bandwidth timer clock drift condition
sched/rt: Fix call to cpufreq_update_util()
sched/nohz: Skip remote tick on idle task entirely
Pull objtool fix from Thomas Gleixner:
"A single fix for objtool to address a bug in handling the cold
subfunction detection for aliased functions which was added recently.
The bug causes objtool to enter an infinite loop"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Support GCC 8 '-fnoreorder-functions'
Pull crypto fixes from Herbert Xu:
- add missing RETs in x86 aegis/morus
- fix build error in arm speck
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86 - Add missing RETs
crypto: arm/speck - fix building in Thumb2 mode
maliciously crafted file system image can result in a kernel OOPS or
hang. At least one fix addresses an inline data bug could be
triggered by userspace without the need of a crafted file system
(although it does require that the inline data feature be enabled).
-----BEGIN PGP SIGNATURE-----
iQEzBAABCAAdFiEEK2m5VNv+CHkogTfJ8vlZVpUNgaMFAltBmcYACgkQ8vlZVpUN
gaPDJgf/cEa9QuiYTbNOmcOMorK9LEk5XO8qsiJdUVNQtLsHZfl0QowbkF9/F/W5
andTJzNpFvXeLADMTTjpsDnQ90i8LKD11Kol3dPJcMhJhELtQsjxUBguxpQBP86R
dvHuCl2/AaqX7rr6Co80yYSinRCquqkzJNhdM5/MLNGziSpkQL3dPSs93rmV+YbU
8DkUwmhDhoiToLBTLaldrAsAzKvor3uyjNPJ3qhxeE2kXrnuI1V4XfstBGjhVKFB
/5aYWexDZkL5qiCo+lZnqdITqUnPx3uAkUdBn0dj7V+nDow+/R/8nApvlvJu6usF
OfMoKr098/pmPAjE5aZ8QpBNVtLFpg==
=njzR
-----END PGP SIGNATURE-----
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bugfixes from Ted Ts'o:
"Bug fixes for ext4; most of which relate to vulnerabilities where a
maliciously crafted file system image can result in a kernel OOPS or
hang.
At least one fix addresses an inline data bug could be triggered by
userspace without the need of a crafted file system (although it does
require that the inline data feature be enabled)"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: check superblock mapped prior to committing
ext4: add more mount time checks of the superblock
ext4: add more inode number paranoia checks
ext4: avoid running out of journal credits when appending to an inline file
jbd2: don't mark block as modified if the handle is out of credits
ext4: never move the system.data xattr out of the inode body
ext4: clear i_data in ext4_inode_info when removing inline data
ext4: include the illegal physical block in the bad map ext4_error msg
ext4: verify the depth of extent tree in ext4_find_extent()
ext4: only look at the bg_flags field if it is valid
ext4: make sure bitmaps and the inode table don't overlap with bg descriptors
ext4: always check block group bounds in ext4_init_block_bitmap()
ext4: always verify the magic number in xattr blocks
ext4: add corruption check in ext4_xattr_set_entry()
ext4: add warn_on_error mount option
-----BEGIN PGP SIGNATURE-----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=IOF/
-----END PGP SIGNATURE-----
Merge tag 'pci-v4.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix a use-after-free in the endpoint code (Dan Carpenter)
- Stop defaulting CONFIG_PCIE_DW_PLAT_HOST to yes (Geert Uytterhoeven)
- Fix an nfp regression caused by a change in how we limit the number
of VFs we can enable (Jakub Kicinski)
- Fix failure path cleanup issues in the new R-Car gen3 PHY support
(Marek Vasut)
- Fix leaks of OF nodes in faraday, xilinx-nwl, xilinx (Nicholas Mc
Guire)
* tag 'pci-v4.18-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
nfp: stop limiting VFs to 0
PCI/IOV: Reset total_VFs limit after detaching PF driver
PCI: faraday: Add missing of_node_put()
PCI: xilinx-nwl: Add missing of_node_put()
PCI: xilinx: Add missing of_node_put()
PCI: endpoint: Use after free in pci_epf_unregister_driver()
PCI: controller: dwc: Do not let PCIE_DW_PLAT_HOST default to yes
PCI: rcar: Clean up PHY init on failure
PCI: rcar: Shut the PHY down in failpath
-----BEGIN PGP SIGNATURE-----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=x5ij
-----END PGP SIGNATURE-----
Merge tag '4.18-rc3-smb3fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Five smb3/cifs fixes for stable (including for some leaks and memory
overwrites) and also a few fixes for recent regressions in packet
signing.
Additional testing at the recent SMB3 test event, and some good work
by Paulo and others spotted the issues fixed here. In addition to my
xfstest runs on these, Aurelien and Stefano did additional test runs
to verify this set"
* tag '4.18-rc3-smb3fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Fix stack out-of-bounds in smb{2,3}_create_lease_buf()
cifs: Fix infinite loop when using hard mount option
cifs: Fix slab-out-of-bounds in send_set_info() on SMB2 ACE setting
cifs: Fix memory leak in smb2_set_ea()
cifs: fix SMB1 breakage
cifs: Fix validation of signed data in smb2
cifs: Fix validation of signed data in smb3+
cifs: Fix use after free of a mid_q_entry
- Driver fixes for k3dma (off by one), pl330 (burst residue granularity)
and omap-dma (incorrect residue_granularity)
- Sinan's email update
-----BEGIN PGP SIGNATURE-----
iQIcBAABAgAGBQJbQK31AAoJEHwUBw8lI4NHdHgQAKPIWGpcochq1D05xXYTtFeW
8OZ5KxJKj1/fEKbdDVGSvptGRfIOKH//xeb1nFn1vCJh/B/3v25hF9x47m+Dds/l
nckkzKzn88Q4M5sbiQI+Rzgr4QRnPEjai55GsC90u7U6HmRSUBAnBELc8+gE7z/r
6XAuUYpnJ6JLjcF9CX8UnG8PzE3Hw4Z94b2t5gaHi0tZnQTwMQ91pH7EGVRwga4+
M+Cmds7Tvi8w1RTOS3OfD+E7H3PqKx3rZA6w3SK4NZqCSp4zA+jySVKi28QDIxHD
kIX4i5eZwiClEVAxBNN40Md8sh6BRz5HkOKJy3WL2o1vSLCZJwm9DfJwo1EzKKI/
FOyIF+clPctNXHwuSnpBes4X3zjPBVcl04Ii3oX1qdrWMT5XyyD8F/Y4NrT3rixQ
CqqsF7WJHNPUI+ZE+Jxwns5NXWQunpLoaY2cyt2f6DfXZsEtizlUcYhaO1J1SuQn
UnG/L94l8wX8oemlNYhBf/LvHNlOKzfKqtYVEEHy3c14ONZpeCLc/+TSKaoBWRke
NJ57Pjecde5w2Z56ZhG/oFwRilXraG62O1JkJTAFeDDLXx1UCl5nOCkCQqGxdMWM
mDxLVUKzIjJ8DbWJcq3DlLDWVMt2Dbqy7LA7/AagHBnIS1uuv9mXiUQT7CiVDzzG
8Ekz5Jas6etHn3++K5Mt
=pPiU
-----END PGP SIGNATURE-----
Merge tag 'dmaengine-fix-4.18-rc4' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"We have few odd driver fixes and one email update change for you this
time:
- Driver fixes for k3dma (off by one), pl330 (burst residue
granularity) and omap-dma (incorrect residue_granularity)
- Sinan's email update"
* tag 'dmaengine-fix-4.18-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate()
dmaengine: pl330: report BURST residue granularity
MAINTAINERS: Update email-id of Sinan Kaya
dmaengine: ti: omap-dma: Fix OMAP1510 incorrect residue_granularity
an interrupt issue, and one oops fix if init fails in a certain
way on the client driver.
-corey
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=lLfC
-----END PGP SIGNATURE-----
Merge tag 'for-linus-4.18-2' of git://github.com/cminyard/linux-ipmi
Pull IPMI fixes from Corey Minyard:
"A couple of small fixes: one to the BMC side of things that fixes an
interrupt issue, and one oops fix if init fails in a certain way on
the client driver"
* tag 'for-linus-4.18-2' of git://github.com/cminyard/linux-ipmi:
ipmi: kcs_bmc: fix IRQ exception if the channel is not open
ipmi: Cleanup oops on initialization failure
Don't access the provided buffer out of bounds - this can cause a kernel
out-of-bounds read when invoked through sys_splice() or other things that
use kernel_write()/__kernel_write().
Fixes: 7f8ec5a4f0 ("x86/mtrr: Convert to use strncpy_from_user() helper")
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20180706215003.156702-1-jannh@google.com
This is two minor bug fixes (aacraid, target) and a fix for a
potential exploit in the way sg handles teardown.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
-----BEGIN PGP SIGNATURE-----
iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCWz/hBSYcamFtZXMuYm90
dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishUkIAP9JKGYO
rcoNxusKsTi6tMEeUFzX1Mu0IkUr9ApcsCJMyAEAyRL5+b77PoZG8NgQBBo99iFE
8DMbxsNbBMbTzDqbfzk=
=ttS3
-----END PGP SIGNATURE-----
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is two minor bug fixes (aacraid, target) and a fix for a
potential exploit in the way sg handles teardown"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sg: mitigate read/write abuse
scsi: aacraid: Fix PD performance regression over incorrect qd being set
scsi: target: Fix truncated PR-in ReadKeys response
- Build cleanup/fix for the sunxi makefile that tried to save size
but failed and prevented dead code elimination from working
- Two Davinci clk driver fixes for a typo causing build failures
in different configurations and an error check that checks
the wrong variable.
- Undo the DT ABI breaking imx6ul binding header shuffle that got
merged this cycle.
-----BEGIN PGP SIGNATURE-----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=pNsb
-----END PGP SIGNATURE-----
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"The usual collection of driver fixlets:
- build cleanup/fix for the sunxi makefile that tried to save size
but failed and prevented dead code elimination from working
- two Davinci clk driver fixes for a typo causing build failures in
different configurations and an error check that checks the wrong
variable.
- undo the DT ABI breaking imx6ul binding header shuffle that got
merged this cycle"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
dt-bindings: clock: imx6ul: Do not change the clock definition order
clk: davinci: fix a typo (which leads to build failures)
clk: davinci: cfgchip: testing the wrong variable
clk: sunxi-ng: replace lib-y with obj-y
Pull s390 fixes from Martin Schwidefsky:
"A few more changes for v4.18:
- wire up the two new system calls io_pgetevents and rseq
- fix a register corruption in the expolines code for machines
without EXRL
- drastically reduce the memory utilization of the dasd driver
- fix reference counting for KVM page table pages"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: wire up rseq system call
s390: wire up io_pgetevents system call
s390/mm: fix refcount usage for 4K pgste
s390/dasd: reduce the default queue depth and nr of hardware queues
s390: Correct register corruption in critical section cleanup
-----BEGIN PGP SIGNATURE-----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=v25Z
-----END PGP SIGNATURE-----
Merge tag 'drm-fixes-2018-07-06' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is the drm fixes for rc4.
It's a bit larger than I'd like but the exynos cleanups are pretty
mechanical, and I'd rather have them in sooner rather than later so we
can avoid too much conflicts around them. The non-mechanincal exynos
changes are mostly fixes for new feature recently introduced.
Apart from the exynos updates, we have:
i915:
- GVT and GGTT mapping fixes
amdgpu:
- fix HDMI2.0 4K@60 Hz regression
- Hotplug fixes for dual-GPU laptops to make power management better
- misc vega12 bios fixes, a race fix and some typos.
sii8620 bridge:
- small fixes around mode setting
core:
- use kvzalloc to allocate blob property memory"
* tag 'drm-fixes-2018-07-06' of git://anongit.freedesktop.org/drm/drm: (34 commits)
drm/amd/display: add a check for display depth validity
drm/amd/display: adding ycbcr420 pixel encoding for hdmi
drm/udl: fix display corruption of the last line
drm/bridge/sii8620: Fix link mode selection
drm/bridge/sii8620: Fix display of packed pixel modes
drm/bridge/sii8620: Send AVI infoframe in all MHL versions
drm/amdgpu: fix user fence write race condition
drm/i915: Try GGTT mmapping whole object as partial
drm/amdgpu/pm: fix display count in non-DC path
drm/amdgpu: fix swapped emit_ib_size in vce3
drm: Use kvzalloc for allocating blob property memory
drm/i915/gvt: changed DDI mode emulation type
drm/i915/gvt: fix a bug of partially write ggtt enties
drm/exynos: Replace drm_dev_unref with drm_dev_put
drm/exynos: Replace drm_gem_object_unreference_unlocked with put function
drm/exynos: Replace drm_framebuffer_{un/reference} with put,get functions
drm/exynos: ipp: use correct enum type
drm/exynos: decon5433: Fix WINCONx reset value
drm/exynos: decon5433: Fix per-plane global alpha for XRGB modes
drm/exynos: fimc: Use real buffer width for configuring the hardware
...
in the noise. These are minor bug fixes and clean ups. Those include:
- Avoiding a string overflow
- Code that didn't match the comment (but should)
- A small code optimization (use of a conditional)
- Quieting printf warnings
- Nuking unused code
- Fixing function graph interrupt annotation
-----BEGIN PGP SIGNATURE-----
iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCWz7ARhQccm9zdGVkdEBn
b29kbWlzLm9yZwAKCRAp5XQQmuv6qmMqAQDTS7uvFLRR603WXyOazX6Y7FeiYFWp
MUUZjnbG9u0bawEAulW53AM0OL3EAAaZKtPi8VtsT+uktR1GIynXrp+yoww=
=yQDv
-----END PGP SIGNATURE-----
Merge tag 'trace-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes and cleanups from Steven Rostedt:
"While cleaning out my INBOX, I found a few patches that were lost in
the noise. These are minor bug fixes and clean ups. Those include:
- avoid a string overflow
- code that didn't match the comment (but should)
- a small code optimization (use of a conditional)
- quiet printf warnings
- nuke unused code
- fix function graph interrupt annotation"
* tag 'trace-v4.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix missing return symbol in function_graph output
ftrace: Nuke clear_ftrace_function
tracing: Use __printf markup to silence compiler
tracing: Optimize trace_buffer_iter() logic
tracing: Make create_filter() code match the comments
tracing: Avoid string overflow
- Fix several problems to IPPv2 merged to mainline recentely.
. An align problem of width size that IPP driver incorrectly
calculated the real buffer size.
. Horizontal and vertical flip problem.
. Per-plane global alpha for XRGB modes.
. Incorrect variant of the YUV modes.
- Fix plane overlapping problem.
. The stange order of overlapping planes on XRGB modes
by setting global alpha value to maximum value.
Cleanup
- Rename a enum type, drm_ipp_size_id, to one specific to Exynos,
drm_exynos_ipp_limit_type.
- Replace {un/reference} with {put,get} functions.
. it replaces several reference/unreference functions with Linux
kernel nameing standard.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=+7bq
-----END PGP SIGNATURE-----
Merge tag 'exynos-drm-fixes-for-v4.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Fixups
- Fix several problems to IPPv2 merged to mainline recentely.
. An align problem of width size that IPP driver incorrectly
calculated the real buffer size.
. Horizontal and vertical flip problem.
. Per-plane global alpha for XRGB modes.
. Incorrect variant of the YUV modes.
- Fix plane overlapping problem.
. The stange order of overlapping planes on XRGB modes
by setting global alpha value to maximum value.
Cleanup
- Rename a enum type, drm_ipp_size_id, to one specific to Exynos,
drm_exynos_ipp_limit_type.
- Replace {un/reference} with {put,get} functions.
. it replaces several reference/unreference functions with Linux
kernel nameing standard.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1530512041-21392-1-git-send-email-inki.dae@samsung.com
- A few small fixes for the sii8620 bridge.
- Allocate blob property memory using kvzalloc instead of kmalloc.
-----BEGIN PGP SIGNATURE-----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=bfQR
-----END PGP SIGNATURE-----
Merge tag 'drm-misc-fixes-2018-07-05' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Fixes for v4.18-rc4:
- A few small fixes for the sii8620 bridge.
- Allocate blob property memory using kvzalloc instead of kmalloc.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4267636e-bb7c-8f69-eeff-12e045b3e7e1@linux.intel.com
Few dts fixes for regressions for various SoCs and
devices for touchscreen wake, dra7 USB quirk, pinmux
for beaglebone mmc, and emac clock.
Also included is a change for ti-sysc to use kcalloc
that Kees wanted to get into v4.18 as that's the last
one he wanted to fix for improved defense against
allocation overflows.
-----BEGIN PGP SIGNATURE-----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=H1MU
-----END PGP SIGNATURE-----
Merge tag 'omap-for-v4.18/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Fixes for omap for v4.18-rc cycle
Few dts fixes for regressions for various SoCs and
devices for touchscreen wake, dra7 USB quirk, pinmux
for beaglebone mmc, and emac clock.
Also included is a change for ti-sysc to use kcalloc
that Kees wanted to get into v4.18 as that's the last
one he wanted to fix for improved defense against
allocation overflows.
* tag 'omap-for-v4.18/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap3: Fix am3517 mdio and emac clock references
ARM: dts: am335x-bone-common: Fix mmc0 Write Protect
bus: ti-sysc: Use 2-factor allocator arguments
ARM: dts: dra7: Disable metastability workaround for USB2
ARM: dts: am437x: make edt-ft5x06 a wakeup source
Signed-off-by: Olof Johansson <olof@lixom.net>
sgid directories have special semantics, making newly created files in
the directory belong to the group of the directory, and newly created
subdirectories will also become sgid. This is historically used for
group-shared directories.
But group directories writable by non-group members should not imply
that such non-group members can magically join the group, so make sure
to clear the sgid bit on non-directories for non-members (but remember
that sgid without group execute means "mandatory locking", just to
confuse things even more).
Reported-by: Jann Horn <jannh@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit may cause a less than required dma mask to be used for
some allocations, which apparently leads to module load failures for
iwlwifi sometimes.
This reverts commit d657c5c73c.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Fabio Coatti <fabio.coatti@gmail.com>
Tested-by: Fabio Coatti <fabio.coatti@gmail.com>
For every request we send, whether it is SMB1 or SMB2+, we attempt to
reconnect tcon (cifs_reconnect_tcon or smb2_reconnect) before carrying
out the request.
So, while server->tcpStatus != CifsNeedReconnect, we wait for the
reconnection to succeed on wait_event_interruptible_timeout(). If it
returns, that means that either the condition was evaluated to true, or
timeout elapsed, or it was interrupted by a signal.
Since we're not handling the case where the process woke up due to a
received signal (-ERESTARTSYS), the next call to
wait_event_interruptible_timeout() will _always_ fail and we end up
looping forever inside either cifs_reconnect_tcon() or smb2_reconnect().
Here's an example of how to trigger that:
$ mount.cifs //foo/share /mnt/test -o
username=foo,password=foo,vers=1.0,hard
(break connection to server before executing bellow cmd)
$ stat -f /mnt/test & sleep 140
[1] 2511
$ ps -aux -q 2511
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2511 0.0 0.0 12892 1008 pts/0 S 12:24 0:00 stat -f
/mnt/test
$ kill -9 2511
(wait for a while; process is stuck in the kernel)
$ ps -aux -q 2511
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2511 83.2 0.0 12892 1008 pts/0 R 12:24 30:01 stat -f
/mnt/test
By using 'hard' mount point means that cifs.ko will keep retrying
indefinitely, however we must allow the process to be killed otherwise
it would hang the system.
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Cc: stable@vger.kernel.org
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This patch fixes a memory leak when doing a setxattr(2) in SMB2+.
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
SMB1 mounting broke in commit 35e2cc1ba7
("cifs: Use correct packet length in SMB2_TRANSFORM header")
Fix it and also rename smb2_rqst_len to smb_rqst_len
to make it less unobvious that the function is also called from
CIFS/SMB1
Good job by Paulo reviewing and cleaning up Ronnie's original patch.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fixes: c713c8770f ("cifs: push rfc1002 generation down the stack")
We failed to validate signed data returned by the server because
__cifs_calc_signature() now expects to sign the actual data in iov but
we were also passing down the rfc1002 length.
Fix smb3_calc_signature() to calculate signature of rfc1002 length prior
to passing only the actual data iov[1-N] to __cifs_calc_signature(). In
addition, there are a few cases where no rfc1002 length is passed so we
make sure there's one (iov_len == 4).
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fixes: c713c8770f ("cifs: push rfc1002 generation down the stack")
We failed to validate signed data returned by the server because
__cifs_calc_signature() now expects to sign the actual data in iov but
we were also passing down the rfc1002 length.
Fix smb3_calc_signature() to calculate signature of rfc1002 length prior
to passing only the actual data iov[1-N] to __cifs_calc_signature(). In
addition, there are a few cases where no rfc1002 length is passed so we
make sure there's one (iov_len == 4).
Signed-off-by: Paulo Alcantara <palcantara@suse.de>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
With protocol version 2.0 mounts we have seen crashes with corrupt mid
entries. Either the server->pending_mid_q list becomes corrupt with a
cyclic reference in one element or a mid object fetched by the
demultiplexer thread becomes overwritten during use.
Code review identified a race between the demultiplexer thread and the
request issuing thread. The demultiplexer thread seems to be written
with the assumption that it is the sole user of the mid object until
it calls the mid callback which either wakes the issuer task or
deletes the mid.
This assumption is not true because the issuer task can be woken up
earlier by a signal. If the demultiplexer thread has proceeded as far
as setting the mid_state to MID_RESPONSE_RECEIVED then the issuer
thread will happily end up calling cifs_delete_mid while the
demultiplexer thread still is using the mid object.
Inserting a delay in the cifs demultiplexer thread widens the race
window and makes reproduction of the race very easy:
if (server->large_buf)
buf = server->bigbuf;
+ usleep_range(500, 4000);
server->lstrp = jiffies;
To resolve this I think the proper solution involves putting a
reference count on the mid object. This patch makes sure that the
demultiplexer thread holds a reference until it has finished
processing the transaction.
Cc: stable@vger.kernel.org
Signed-off-by: Lars Persson <larper@axis.com>
Acked-by: Paulo Alcantara <palcantara@suse.de>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>