ish_dev_init() allocates 512*176 bytes memory for tx_buf and stores it at
&dev->wr_free_list_head.link list on ish_probe().
But there is no deallocation of this memory in ish_remove() and in
ish_probe() error path.
So current intel-ish-ipc provides 88 KB memory leak for each
probe/release.
The patch replaces kzalloc allocation by devm_kzalloc and removes
ishtp_device *dev deallocation by kfree.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
On Mehlow Xeon-E workstation, ISH PCI device is enabled but without ISH
firmware. Here the ISH device PCI device id was reused for some non Linux
storage drivers. So this was not done for enabling ISH. But this has a
undesirable side effect for Linux.
Here the ISH driver will be loaded via PCI enumeration and will try to do
reset sequence. But reset sequence will wait till timeout as there is no
real ISH firmware is present to take action. This delay will add to boot
time of Linux (This platform will still continue to boot after this
timeout).
To avoid this boot delay we need to prevent loading of ISH drivers on
this platform. So we need to have hack to avoid treating this device as
ISH on this platform. To identify this workstation, we need some runtime
method. Luckily there are special PCI id on this workstation to
distinguish from the client version of this platform. On client version,
the ISH is supported using same PCI device id. So this change look for
the presence of PCI device IDs A309 and A30A and exit.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cougar 500k Gaming Keyboard have some special function keys that
make the keyboard stop responding once pressed. Implement the custom
vendor interface that deals with the extended keypresses to fix.
The bug can be reproduced by plugging in the keyboard, then pressing the
rightmost part of the spacebar.
Signed-off-by: Daniel M. Lambea <dmlambea@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The function compare_device_paths from wacom_sys.c is generic
and useful for other drivers. Move the function to hid-core and
rename it as hid_compare_device_paths.
Signed-off-by: Daniel M. Lambea <dmlambea@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Usually, there is no palm rejection for touchscreens. You don't rest
your palm on the touchscreen while interacting with it.
However, some wacom devices do so because you can rest your palm while
interacting with the stylus.
Unfortunately, the spec for touchscreens[1] is less precise than the one
for touchpads[2]. This leads to a situation where it's 'legitimate'
for a touchscreen to provide both tipswitch off and confidence off in the
same report.
Work around that by keeping the slot active for one frame where we report
MT_TOOL_PALM, and then synthesizing the release event in a separate frame.
frame
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
[rebased and new commit message]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
According to Microsoft specification [1] for Precision Touchpads (and
Touchscreens) the devices use "confidence" reports to signal accidental
touches, or contacts that are "too large to be a finger". Instead of
simply marking contact inactive in this case (which causes issues if
contact was originally proper and we lost confidence in it later, as
this results in accidental clicks, drags, etc), let's report such
contacts as MT_TOOL_PALM and let userspace decide what to do.
[1] https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/touchpad-windows-precision-touchpad-collection
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
[splitted and rebased]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The tool works nicely with hid-generic, but it ends up creating 9
different input nodes with most of them only having ABS_MISC set.
Filter the axis out, which reduces the amount of devices to 2. One is
the proper System Multi-axis collection, the other exported device
seems to provide SLEEP and POWER Key, not sure how one can trigger
those events though.
Filtering the ABS_X and ABS_Y axes also prevents udev to detect this as
a touchscreen.
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Looks like 4 was sufficient until now. However, the Surface Dial needs
a stack of 5 and simply fails at probing.
Dynamically add HID_COLLECTION_STACK_SIZE to the size of the stack if
we hit the upper bound.
Checkpatch complains about bare unsigned, so converting those to
'unsigned int' in struct hid_parser
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Dell Canvas 27 has a tool that can be put on the surface and acts
as a dial. The firmware processes the detection of the tool and forward
regular HID reports with X, Y, Azimuth, rotation, width/height.
The firmware also exports Contact ID, Countact Count which may hint that
several totems can be used at the same time (the FW only supports one).
We can tell that MT_TOOL_DIAL will be reported by setting the min/max
of ABS_MT_TOOL_TYPE to MT_TOOL_DIAL.
This tool is aimed at being used by the system and not the applications,
so the user space processing should not go through the regular touch
inputs.
We set INPUT_PROP_DIRECT which applies ID_INPUT_TOUCHSCREEN to this new
type of devices, but we will counter this for the time being with the
special udev hwdb entry mentioned above.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1511846
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The current way of handling multitouch data is not very straightforward:
- in mt_event() we do nothing
- in mt_report() we:
- do some gym to fetch the scantime and the contact count
- then iterate over the input fields where we copy the data to a
temporary place
- when we see the last field in a slot, we then use this data to emit
the input data
A more streamlined way is to first get all of the address in the report
of all fields, and then just pick the fields we are interested in in
mt_report()
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Now that the driver can handle more than one multitouch collection in
a single HID device, ditch the last bit that contains us to use only
one mt collection.
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
If a device has more than one multitouch collection, there is a chance
we need per tool quirks. This is the case for the Totem on the Dell
Canvas.
Note that thesysfs attribute quirks can now get out of sync, but there
should not be much users of it as it's debugging only.
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Currently, hid-multitouch can only handle one multitouch collection at
a time. This is an issue for the Dell Canvas, as the Totem (a dial tool)
is also using a multitouch-like collection.
Factor out the multitouch collection data in their own struct.
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
const is a magic keyword here :)
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
A dial is a tool you place on a multitouch surface which reports its
orientation or a relative angle of rotation when rotating its knob.
Some examples are the Dell Totem (on the Canvas 27"), the Microsoft Dial,
or the Griffin Powermate, though the later can't be put on a touch surface.
We give some extra space to account for other types of fingers if we need
(MT_TOOL_THUMB)
Slightly change the documentation to not make it mandatory to update each
MT_TOOL we add.
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Toshiba Click Mini L9W keyboard dock has a single i2c-hid Elan device
for both the keyboard and the touchpad. Add support for the touchpad to
the hid-elan driver, rather then relying on mouse emulation.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from 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).
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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
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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
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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
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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
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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>
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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
