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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two minor fixes: one to update a Kconfig reference and the other to
fix a resource leak on an error path in sg"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: Update referenced link to cdrtools
scsi: sg: add sg_remove_request in sg_write
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Restore an optimization related to asynchronous suspend and resume of
devices during system-wide power transitions that was disabled by
mistake (Kai-Heng Feng) and update the pm-graph suite of power
management utilities (Todd Brandt)"
* tag 'pm-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: sleep: core: Switch back to async_schedule_dev()
pm-graph v5.6
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Drop a lid status quirk for Asus T200TA that is not necessary any more
and clean up a resource management inconsistency in the PCI IRQ link
configuration code.
Both changes from Hans de Goede"
* tag 'acpi-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: button: Drop no longer necessary Asus T200TA lid_init_state quirk
ACPI/PCI: pci_link: use extended_irq union member when setting ext-irq shareable
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Just three changes:
* fix a wrong GFP_KERNEL in hwsim
* fix the debugfs mess after the mac80211 registration race fix
* suppress false-positive RCU list lockdep warnings
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.7
Second set of fixes for v5.7. Quite a few iwlwifi fixes and some
maintainers file updates.
iwlwifi
* fix a bug with kmemdup() error handling
* fix a DMA pool warning about unfreed memory
* fix beacon statistics
* fix a theoritical bug in device initialisation
* fix queue limit handling and inactive TID removal
* disable ACK Enabled Aggregation which was enabled by accident
* fix transmit power setting reading from BIOS with certain versions
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull libata fixlet from Jens Axboe:
"Minor spelling error fix for libata"
* tag 'libata-5.7-2020-04-24' of git://git.kernel.dk/linux-block:
ata: sata_inic162x fix a spelling issue
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Pull block fixes from Jens Axboe:
"A few fixes/changes that should go into this release:
- null_blk zoned fixes (Damien)
- blkdev_close() sync improvement (Douglas)
- Fix regression in blk-iocost that impacted (at least) systemtap
(Waiman)
- Comment fix, header removal (Zhiqiang, Jianpeng)"
* tag 'block-5.7-2020-04-24' of git://git.kernel.dk/linux-block:
null_blk: Cleanup zoned device initialization
null_blk: Fix zoned command handling
block: remove unused header
blk-iocost: Fix error on iocost_ioc_vrate_adj
bdev: Reduce time holding bd_mutex in sync in blkdev_close()
buffer: remove useless comment and WB_REASON_FREE_MORE_MEM, reason.
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* acpi-pci:
ACPI/PCI: pci_link: use extended_irq union member when setting ext-irq shareable
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Pull drm fixes from Dave Airlie:
"Weekly regular fixes for drm, The usual rc3 uptick here, but nothing
too crazy or notable.
core:
- mst: zero pbn when releasing vcpi slots
amdgpu:
- Fix resume issue on renoir
- Thermal fix for older CI dGPUs
- Fix some fallout from dropping drm load/unload callbacks
i915:
- Tigerlake Workaround - disabling media recompression (Matt)
- Fix RPS interrupts for right GPU frequency (Chris)
- HDCP fix prime check (Oliver)
- Tigerlake Thunderbolt power well fix (Matt)
- Tigerlake DP link training fixes (Jose)
- Documentation sphinx build fix (Jani)
- Fix enable_dpcd_backlight modparam (Lyude)
analogix-dp:
- binding fix
meson:
- remove unneeded error message
bindings:
- fix warnings
- fix lvds binding
scheduler:
- thread racing fix
tidss:
- use after free fix"
* tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm:
drm/i915/dpcd_bl: Unbreak enable_dpcd_backlight modparam
drm/i915: fix Sphinx build duplicate label warning
drm/i915/display: Load DP_TP_CTL/STATUS offset before use it
drm/i915/tgl: TBT AUX should use TC power well ops
drm/i915: HDCP: fix Ri prime check done during link check
drm/i915/gt: Update PMINTRMSK holding fw
drm/i915/tgl: Add Wa_14010477008:tgl
drm/tidss: fix crash related to accessing freed memory
drm/dp_mst: Zero assigned PBN when releasing VCPI slots
drm/amdgpu/display: give aux i2c buses more meaningful names
drm/amdgpu/display: fix aux registration (v2)
drm/amdgpu: Correctly initialize thermal controller for GPUs with Powerplay table v0 (e.g Hawaii)
drm/amd/powerplay: fix resume failed as smu table initialize early exit
drm/scheduler: fix drm_sched_get_cleanup_job
drm/meson: Delete an error message in meson_dw_hdmi_bind()
drm/bridge: anx6345: set correct BPC for display_info of connector
dt-bindings: display: allow port and ports in panel-lvds
dt-bindings: display: xpp055c272: Remove the reg property
dt-bindings: display: ltk500hd1829: Remove the reg property
drm/bridge: analogix_dp: Split bind() into probe() and real bind()
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We need to ensure dspi controller could be stopped in order for kexec
to start the next kernel.
So add the shutdown operation support.
Signed-off-by: Peng Ma <peng.ma@nxp.com>
Link: https://lore.kernel.org/r/20200424061216.27445-1-peng.ma@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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When fixing the initialization race, we neglected to account for
the fact that debugfs is initialized in wiphy_register(), and
some debugfs things went missing (or rather were rerooted to the
global debugfs root).
Fix this by adding debugfs entries only after wiphy_register().
This requires some changes in the rate control code since it
currently adds debugfs at alloc time, which can no longer be
done after the reordering.
Reported-by: Jouni Malinen <j@w1.fi>
Reported-by: kernel test robot <rong.a.chen@intel.com>
Reported-by: Hauke Mehrtens <hauke@hauke-m.de>
Reported-by: Felix Fietkau <nbd@nbd.name>
Cc: stable@vger.kernel.org
Fixes: 52e04b4ce5d0 ("mac80211: fix race in ieee80211_register_hw()")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/20200423111344.0e00d3346f12.Iadc76a03a55093d94391fc672e996a458702875d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and
DT bindings adjustments.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200423103224.7hvyr3v7dmuny2bz@gilmour.lan
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Tigerlake Workaround - disabling media recompression (Matt)
- Fix RPS interrupts for right GPU frequency (Chris)
- HDCP fix prime check (Oliver)
- Tigerlake Thunderbolt power well fix (Matt)
- Tigerlake DP link training fixes (Jose)
- Documentation sphinx build fix (Jani)
- Fix enable_dpcd_backlight modparam (Lyude)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200423190246.GA1710303@intel.com
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.7-2020-04-22:
amdgpu:
- Fix resume issue on renoir
- Thermal fix for older CI dGPUs
- Fix some fallout from dropping drm load/unload callbacks
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200422224647.617724-1-alexander.deucher@amd.com
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The change to track net_device_stats per ring to better support SMP
missed updating the rx_dropped member.
The ndo_get_stats method is also needed to combine the results for
ethtool statistics (-S) before filling in the ethtool structure.
Fixes: 37a30b435b92 ("net: bcmgenet: Track per TX/RX rings statistics")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Evidently, at some point in the pre-githistorious past,
drivers/net/ethernet/sgi/meth.h somehow contained some code from the
"snull" driver from the Linux Device Drivers book. A comment crediting
that source, asserting copyright ownership by the LDD authors, and imposing
the LDD2 license terms was duly added to the file.
Any code that may have been derived from snull is long gone, and the
distribution terms are not GPL-compatible. Since the copyright claim is
not based in fact (if it ever was), simply remove it and the distribution
terms as well.
Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
CC: Ralf Baechle <ralf@linux-mips.org>
CC: Kate Stewart <kstewart@linuxfoundation.org>
CC: "Fendt, Oliver" <oliver.fendt@siemens.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clear the link partner advertisement, speed, duplex and pause when
the link goes down, as other phylib drivers do. This avoids the
stale link partner, speed and duplex settings being reported via
ethtool.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Soft lock should be taken in place of hard lock.
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function ixp4xx_eth_probe() does not perform sufficient error
checking after executing devm_ioremap_resource(), which can result
in crashes if a critical error path is encountered.
Fixes: f458ac479777 ("ARM/net: ixp4xx: Pass ethernet physical base as resource")
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the absence of MC1, the size calculation function
cudbg_mem_region_size() was returing wrong MC size and
resulted in adapter crash. This patch adds new argument
to cudbg_mem_region_size() which will have actual size
and returns error to caller in the absence of MC1.
Fixes: a1c69520f785 ("cxgb4: collect MC memory dump")
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>"
Signed-off-by: David S. Miller <davem@davemloft.net>
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IFLA_GENEVE_* attributes are in the data array, which is correctly
used when fetching the value, but not when setting the extended
ack. Because IFLA_GENEVE_MAX < IFLA_MAX, we avoid out of bounds
array accesses, but we don't provide a pointer to the invalid
attribute to userspace.
Fixes: a025fb5f49ad ("geneve: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IFLA_VXLAN_* attributes are in the data array, which is correctly
used when fetching the value, but not when setting the extended
ack. Because IFLA_VXLAN_MAX < IFLA_MAX, we avoid out of bounds
array accesses, but we don't provide a pointer to the invalid
attribute to userspace.
Fixes: 653ef6a3e4af ("vxlan: change vxlan_[config_]validate() to use netlink_ext_ack for error reporting")
Fixes: b4d3069783bc ("vxlan: Allow configuration of DF behaviour")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mlxsw_sp_acl_rulei_create() function is supposed to return an error
pointer from mlxsw_afa_block_create(). The problem is that these
functions both return NULL instead of error pointers. Half the callers
expect NULL and half expect error pointers so it could lead to a NULL
dereference on failure.
This patch changes both of them to return error pointers and changes all
the callers which checked for NULL to check for IS_ERR() instead.
Fixes: 4cda7d8d7098 ("mlxsw: core: Introduce flexible actions support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MV_V2_PORT_CTRL_SWRST bit in MV_V2_PORT_CTRL is reserved on 88E2110.
Setting SWRST on 88E2110 breaks packets transfer after interface down/up
cycle.
Fixes: 8f48c2ac85ed ("net: marvell10g: soft-reset the PHY when coming out of low power")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Workaround Apex TPU class code issue that prevents resource
assignment (Bjorn Helgaas)
- Update MAINTAINERS to add Rob Herring for native PCI controller
drivers (Lorenzo Pieralisi)
* tag 'pci-v5.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
MAINTAINERS: Add Rob Herring and remove Andy Murray as PCI reviewers
PCI: Move Apex Edge TPU class quirk to fix BAR assignment
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I
found after restarting my randconfig build testing that had been
dormant for a while.
On the Nokia N950/N9 phone, a DT fix is required to address a boot
regression.
For the bcm283x (Raspberry Pi), two DT fixes address minor issues"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: imx8: select SOC_BUS
soc: tegra: fix tegra_pmc_get_suspend_mode definition
soc: fsl: dpio: avoid stack usage warning
soc: fsl: dpio: fix incorrect pointer conversions
ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
ARM: dts: bcm283x: Disable dsi0 node
firmware: xilinx: make firmware_debugfs_root static
drivers: soc: xilinx: fix firmware driver Kconfig dependency
ARM: dts: bcm283x: Add cells encoding format to firmware bus
ARM: dts: OMAP3: disable RNG on N950/N9
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git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc fixes from Bjorn Andersson:
"This fixes a regression in the probe error path of the Qualcomm modem
remoteproc driver and a mix up of phy_addr_t and dma_addr_t in the
Mediatek SCP control driver"
* tag 'rproc-v5.7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
remoteproc: mtk_scp: use dma_addr_t for DMA API
remoteproc: qcom_q6v5_mss: fix q6v5_probe() error paths
remoteproc: qcom_q6v5_mss: fix a bug in q6v5_probe()
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Fixed a warning message spelling issue.
Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently buswidths 2 and 4 are rejected for a device that advertises
Octal capabilities. Allow these buswidths, just like is done for
buswidth 2 and Quad-capable devices.
Fixes: b12a084c8729ef42 ("spi: spi-mem: add support for octal mode I/O data transfer")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200416101418.14379-1-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
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Move all zoned mode related code from null_blk_main.c to
null_blk_zoned.c, avoiding an ugly #ifdef in the process.
Rename null_zone_init() into null_init_zoned_dev(), null_zone_exit()
into null_free_zoned_dev() and add the new function
null_register_zoned_dev() to finalize the zoned dev setup before
add_disk().
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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For write operations issued to a null_blk device with zoned mode
enabled, the state and write pointer position of the zone targeted by
the command should be checked before badblocks and memory backing
are handled as the write may be first failed due to, for instance, a
sector position not aligned with the zone write pointer. This order of
checking for errors reflects more accuratly the behavior of physical
zoned devices.
Furthermore, the write pointer position of the target zone should be
incremented only and only if no errors are reported by badblocks and
memory backing handling.
To fix this, introduce the small helper function null_process_cmd()
which execute null_handle_badblocks() and null_handle_memory_backed()
and use this function in null_zone_write() to correctly handle write
requests to zoned null devices depending on the type and state of the
write target zone. Also call this function in null_handle_zoned() to
process read requests to zoned null devices.
null_process_cmd() is called directly from null_handle_cmd() for
regular null devices, resulting in no functional change for these type
of devices. To have symmetric names, the function null_handle_zoned()
is renamed to null_process_zoned_cmd().
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently, if tcs_cmd_gen is called with commit=false, then
tcs_cmd::wait is left uninitialized. Since the tcs_cmd structures passed
to this function aren't zero-initialized, then we're left with random
wait values. This results in waiting for completion for more commands
than is necessary, depending on what's on the stack at the time.
Removing the unnecessary if-condition fixes this, but add an explicit
memset of the tcs_cmd structure as well to ensure predictable behavior
if more tcs_cmd members are added in the future.
Fixes: 976daac4a1c5 ("interconnect: qcom: Consolidate interconnect RPMh support")
Signed-off-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200319231021.18108-1-mdtipton@codeaurora.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20200415130327.23059-2-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga into char-misc-linus
Moritz writes:
FPGA Manager fixes for 5.7-rc1
Here are two (late) fixes for 5.7-rc1 merge window.
Xu's change addresses an issue with a wrong return value.
Shubhrajyoti's change makes the Zynq FPGA driver return -EPROBE_DEFER on
All patches have been reviewed on the mailing list, and have been in the
last few linux-next releases (as part of my for-next branch) without issues.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
* tag 'fpga-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mdf/linux-fpga:
fpga: dfl: pci: fix return value of cci_pci_sriov_configure
fpga: zynq: Remove clk_get error message for probe defer
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If there is a lot(more then 16) of virtio-console devices
or virtio_console module is reloaded
- buffers 'vtermnos' and 'cons_ops' are overflowed.
In older kernels it overruns spinlock which leads to kernel freezing:
https://bugzilla.redhat.com/show_bug.cgi?id=1786239
To reproduce the issue, you can try simple script that
loads/unloads module. Something like this:
while [ 1 ]
do
modprobe virtio_console
sleep 2
modprobe -r virtio_console
sleep 2
done
Description of problem:
Guest get 'Call Trace' when loading module "virtio_console"
and unloading it frequently - clearly reproduced on kernel-4.18.0:
[ 81.498208] ------------[ cut here ]------------
[ 81.499263] pvqspinlock: lock 0xffffffff92080020 has corrupted value 0xc0774ca0!
[ 81.501000] WARNING: CPU: 0 PID: 785 at kernel/locking/qspinlock_paravirt.h:500 __pv_queued_spin_unlock_slowpath+0xc0/0xd0
[ 81.503173] Modules linked in: virtio_console fuse xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nft_counter nf_nat_tftp nft_objref nf_conntrack_tftp tun bridge stp llc nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 nft_chain_route_ipv6 nft_chain_nat_ipv4 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack nft_chain_route_ipv4 ip6_tables nft_compat ip_set nf_tables nfnetlink sunrpc bochs_drm drm_vram_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm i2c_piix4 pcspkr crct10dif_pclmul crc32_pclmul joydev ghash_clmulni_intel ip_tables xfs libcrc32c sd_mod sg ata_generic ata_piix virtio_net libata crc32c_intel net_failover failover serio_raw virtio_scsi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: virtio_console]
[ 81.517019] CPU: 0 PID: 785 Comm: kworker/0:2 Kdump: loaded Not tainted 4.18.0-167.el8.x86_64 #1
[ 81.518639] Hardware name: Red Hat KVM, BIOS 1.12.0-5.scrmod+el8.2.0+5159+d8aa4d83 04/01/2014
[ 81.520205] Workqueue: events control_work_handler [virtio_console]
[ 81.521354] RIP: 0010:__pv_queued_spin_unlock_slowpath+0xc0/0xd0
[ 81.522450] Code: 07 00 48 63 7a 10 e8 bf 64 f5 ff 66 90 c3 8b 05 e6 cf d6 01 85 c0 74 01 c3 8b 17 48 89 fe 48 c7 c7 38 4b 29 91 e8 3a 6c fa ff <0f> 0b c3 0f 0b 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 48
[ 81.525830] RSP: 0018:ffffb51a01ffbd70 EFLAGS: 00010282
[ 81.526798] RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000000
[ 81.528110] RDX: ffff9e66f1826480 RSI: ffff9e66f1816a08 RDI: ffff9e66f1816a08
[ 81.529437] RBP: ffffffff9153ff10 R08: 000000000000026c R09: 0000000000000053
[ 81.530732] R10: 0000000000000000 R11: ffffb51a01ffbc18 R12: ffff9e66cd682200
[ 81.532133] R13: ffffffff9153ff10 R14: ffff9e6685569500 R15: ffff9e66cd682000
[ 81.533442] FS: 0000000000000000(0000) GS:ffff9e66f1800000(0000) knlGS:0000000000000000
[ 81.534914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 81.535971] CR2: 00005624c55b14d0 CR3: 00000003a023c000 CR4: 00000000003406f0
[ 81.537283] Call Trace:
[ 81.537763] __raw_callee_save___pv_queued_spin_unlock_slowpath+0x11/0x20
[ 81.539011] .slowpath+0x9/0xe
[ 81.539585] hvc_alloc+0x25e/0x300
[ 81.540237] init_port_console+0x28/0x100 [virtio_console]
[ 81.541251] handle_control_message.constprop.27+0x1c4/0x310 [virtio_console]
[ 81.542546] control_work_handler+0x70/0x10c [virtio_console]
[ 81.543601] process_one_work+0x1a7/0x3b0
[ 81.544356] worker_thread+0x30/0x390
[ 81.545025] ? create_worker+0x1a0/0x1a0
[ 81.545749] kthread+0x112/0x130
[ 81.546358] ? kthread_flush_work_fn+0x10/0x10
[ 81.547183] ret_from_fork+0x22/0x40
[ 81.547842] ---[ end trace aa97649bd16c8655 ]---
[ 83.546539] general protection fault: 0000 [#1] SMP NOPTI
[ 83.547422] CPU: 5 PID: 3225 Comm: modprobe Kdump: loaded Tainted: G W --------- - - 4.18.0-167.el8.x86_64 #1
[ 83.549191] Hardware name: Red Hat KVM, BIOS 1.12.0-5.scrmod+el8.2.0+5159+d8aa4d83 04/01/2014
[ 83.550544] RIP: 0010:__pv_queued_spin_lock_slowpath+0x19a/0x2a0
[ 83.551504] Code: c4 c1 ea 12 41 be 01 00 00 00 4c 8d 6d 14 41 83 e4 03 8d 42 ff 49 c1 e4 05 48 98 49 81 c4 40 a5 02 00 4c 03 24 c5 60 48 34 91 <49> 89 2c 24 b8 00 80 00 00 eb 15 84 c0 75 0a 41 0f b6 54 24 14 84
[ 83.554449] RSP: 0018:ffffb51a0323fdb0 EFLAGS: 00010202
[ 83.555290] RAX: 000000000000301c RBX: ffffffff92080020 RCX: 0000000000000001
[ 83.556426] RDX: 000000000000301d RSI: 0000000000000000 RDI: 0000000000000000
[ 83.557556] RBP: ffff9e66f196a540 R08: 000000000000028a R09: ffff9e66d2757788
[ 83.558688] R10: 0000000000000000 R11: 0000000000000000 R12: 646e61725f770b07
[ 83.559821] R13: ffff9e66f196a554 R14: 0000000000000001 R15: 0000000000180000
[ 83.560958] FS: 00007fd5032e8740(0000) GS:ffff9e66f1940000(0000) knlGS:0000000000000000
[ 83.562233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.563149] CR2: 00007fd5022b0da0 CR3: 000000038c334000 CR4: 00000000003406e0
Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200414191503.3471783-1-andrew@daynix.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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init_r_port can access pc104 array out of bounds. pc104 is a 2D array
defined to have 4 members. Each member has 8 submembers.
* we can have more than 4 (PCI) boards, i.e. [board] can be OOB
* line is not modulo-ed by anything, so the first line on the second
board can be 4, on the 3rd 12 or alike (depending on previously
registered boards). It's zero only on the first line of the first
board. So even [line] can be OOB, quite soon (with the 2nd registered
board already).
This code is broken for ages, so just avoid the OOB accesses and don't
try to fix it as we would need to find out the correct line number. Use
the default: RS232, if we are out.
Generally, if anyone needs to set the interface types, a module parameter
is past the last thing that should be used for this purpose. The
parameters' description says it's for ISA cards anyway.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable <stable@vger.kernel.org>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Link: https://lore.kernel.org/r/20200417105959.15201-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes below error reported by coccicheck
drivers/tty/serial/bcm63xx_uart.c:848:2-8: ERROR: missing clk_put;
clk_get on line 842 and execution via conditional on line 846
Fixes: ab4382d27412 ("tty: move drivers/serial/ to drivers/tty/serial/")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1587472306-105155-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The code in vc_do_resize() bounds the memory allocation size to avoid
exceeding MAX_ORDER down the kzalloc() call chain and generating a
runtime warning triggerable from user space. However, not only is it
unwise to use a literal value here, but MAX_ORDER may also be
configurable based on CONFIG_FORCE_MAX_ZONEORDER.
Let's use KMALLOC_MAX_SIZE instead.
Note that prior commit bb1107f7c605 ("mm, slab: make sure that
KMALLOC_MAX_SIZE will fit into MAX_ORDER") the KMALLOC_MAX_SIZE value
could not be relied upon.
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Cc: <stable@vger.kernel.org> # v4.10+
Link: https://lore.kernel.org/r/nycvar.YSQ.7.76.2003281702410.2671@knanqh.ubzr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8ba92cf59335 ("arm64: dts: actions: s700: Add Clock Management Unit")
breaks the UART on Cubieboard7-lite (based on S700 SoC), This is due to the
fact that generic clk routine clk_disable_unused() disables the gate clks,
and that in turns disables OWL UART (but UART driver never enables it). To
prove this theory, Andre suggested to use "clk_ignore_unused" in kernel
commnd line and it worked (Kernel happily lands into RAMFS world :)).
This commit fix this up by adding clk_prepare_enable().
Fixes: 8ba92cf59335 ("arm64: dts: actions: s700: Add Clock Management Unit")
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1587067917-1400-1-git-send-email-amittomer25@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Even if the actual screen size is bounded in vc_do_resize(), the unicode
buffer is still a little more than twice the size of the glyph buffer
and may exceed MAX_ORDER down the kmalloc() path. This can be triggered
from user space.
Since there is no point having a physically contiguous buffer here,
let's avoid the above issue as well as reducing pressure on high order
allocations by using vmalloc() instead.
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Cc: <stable@vger.kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://lore.kernel.org/r/nycvar.YSQ.7.76.2003282214210.2671@knanqh.ubzr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change a bunch of arguments of wrapper functions which pass signed
integer to an unsigned integer which might cause undefined behaviors
when sign integer overflow.
Signed-off-by: Changming Liu <liu.changm@northeastern.edu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/BL0PR06MB45482D71EA822D75A0E60A2EE5D50@BL0PR06MB4548.namprd06.prod.outlook.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cyril Roelandt reports that his JMicron JMS566 USB-SATA bridge fails
to handle WRITE commands with the FUA bit set, even though it claims
to support FUA. (Oddly enough, a later version of the same bridge,
version 2.03 as opposed to 1.14, doesn't claim to support FUA. Also
oddly, the bridge _does_ support FUA when using the UAS transport
instead of the Bulk-Only transport -- but this device was blacklisted
for uas in commit bc3bdb12bbb3 ("usb-storage: Disable UAS on JMicron
SATA enclosure") for apparently unrelated reasons.)
This patch adds a usb-storage unusual_devs entry with the BROKEN_FUA
flag. This allows the bridge to work properly with usb-storage.
Reported-and-tested-by: Cyril Roelandt <tipecaml@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2004221613110.11262-100000@iolanthe.rowland.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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first for high speed devices")
Commit bd0e6c9614b9 ("usb: hub: try old enumeration scheme first for
high speed devices") changed the way the hub driver enumerates
high-speed devices. Instead of using the "new" enumeration scheme
first and switching to the "old" scheme if that doesn't work, we start
with the "old" scheme. In theory this is better because the "old"
scheme is slightly faster -- it involves resetting the device only
once instead of twice.
However, for a long time Windows used only the "new" scheme. Zeng Tao
said that Windows 8 and later use the "old" scheme for high-speed
devices, but apparently there are some devices that don't like it.
William Bader reports that the Ricoh webcam built into his Sony Vaio
laptop not only doesn't enumerate under the "old" scheme, it gets hung
up so badly that it won't then enumerate under the "new" scheme! Only
a cold reset will fix it.
Therefore we will revert the commit and go back to trying the "new"
scheme first for high-speed devices.
Reported-and-tested-by: William Bader <williambader@hotmail.com>
Ref: https://bugzilla.kernel.org/show_bug.cgi?id=207219
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes: bd0e6c9614b9 ("usb: hub: try old enumeration scheme first for high speed devices")
CC: Zeng Tao <prime.zeng@hisilicon.com>
CC: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2004221611230.11262-100000@iolanthe.rowland.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 8099f58f1ecd ("USB: hub: Don't record a connect-change event
during reset-resume") wasn't very well conceived. The problem it
tried to fix was that if a connect-change event occurred while the
system was asleep (such as a device disconnecting itself from the bus
when it is suspended and then reconnecting when it resumes)
requiring a reset-resume during the system wakeup transition, the hub
port's change_bit entry would remain set afterward. This would cause
the hub driver to believe another connect-change event had occurred
after the reset-resume, which was wrong and would lead the driver to
send unnecessary requests to the device (which could interfere with a
firmware update).
The commit tried to fix this by not setting the change_bit during the
wakeup. But this was the wrong thing to do; it means that when a
device is unplugged while the system is asleep, the hub driver doesn't
realize anything has happened: The change_bit flag which would tell it
to handle the disconnect event is clear.
The commit needs to be reverted and the problem fixed in a different
way. Fortunately an alternative solution was noted in the commit's
Changelog: We can continue to set the change_bit entry in
hub_activate() but then clear it when a reset-resume occurs. That way
the the hub driver will see the change_bit when a device is
disconnected but won't see it when the device is still present.
That's what this patch does.
Reported-and-tested-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes: 8099f58f1ecd ("USB: hub: Don't record a connect-change event during reset-resume")
Tested-by: Paul Zimmerman <pauldzim@gmail.com>
CC: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2004221602480.11262-100000@iolanthe.rowland.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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vnt_set_bss_mode needs to be called on all changes to BSS_CHANGED_BASIC_RATES,
BSS_CHANGED_ERP_PREAMBLE and BSS_CHANGED_ERP_SLOT
Remove all other calls and vnt_update_ifs which is called in vnt_set_bss_mode.
Fixes an issue that preamble mode is not being updated correctly.
Fixes: c12603576e06 ("staging: vt6656: Only call vnt_set_bss_mode on basic rates change.")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/44110801-6234-50d8-c583-9388f04b486c@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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comedi_open() invokes comedi_dev_get_from_minor(), which returns a
reference of the COMEDI device to "dev" with increased refcount.
When comedi_open() returns, "dev" becomes invalid, so the refcount
should be decreased to keep refcount balanced.
The reference counting issue happens in one exception handling path of
comedi_open(). When "cfp" allocation is failed, the refcnt increased by
comedi_dev_get_from_minor() is not decreased, causing a refcnt leak.
Fix this issue by calling comedi_dev_put() on this error path when "cfp"
allocation is failed.
Fixes: 20f083c07565 ("staging: comedi: prepare support for per-file read and write subdevices")
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Link: https://lore.kernel.org/r/1587361459-83622-1-git-send-email-xiyuyang19@fudan.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The problem is that the group key was saved as VNT_KEY_DEFAULTKEY
was over written by the VNT_KEY_GROUP_ADDRESS index.
mac80211 could not clear the mac_addr in the default key.
The VNT_KEY_DEFAULTKEY is not necesscary so remove it and set as
VNT_KEY_GROUP_ADDRESS.
mac80211 can clear any key using vnt_mac_disable_keyentry.
Fixes: f9ef05ce13e4 ("staging: vt6656: Fix pairwise key for non station modes")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/da2f7e7f-1658-1320-6eee-0f55770ca391@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The drivers TBTT counter is not synchronized with mac80211 timestamp.
Reorder the functions and use vnt_update_next_tbtt to do the final
synchronize.
Fixes: c15158797df6 ("staging: vt6656: implement TSF counter")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/375d0b25-e8bc-c8f7-9b10-6cc705d486ee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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mac80211/users control whether multicast is on or off don't enable it by default.
Fixes an issue when multicast/broadcast is always on allowing other beacons through
in power save.
Fixes: db8f37fa3355 ("staging: vt6656: mac80211 conversion: main_usb add functions...")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/2c24c33d-68c4-f343-bd62-105422418eac@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A spin lock is taken here so we should use GFP_ATOMIC.
Fixes: 5d44fe7c9808 ("mac80211_hwsim: add frame transmission support over virtio")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200422020154.112088-1-weiyongjun1@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a qdisc is attached to the VRF device, the packet goes down the ndo
xmit function which is setup to send the packet back to the VRF driver
which does a lookup to send the packet out. The lookup in the VRF driver
is not considering xfrm policies. Change it to use ip6_dst_lookup_flow
rather than ip6_route_output.
Fixes: 35402e313663 ("net: Add IPv6 support to VRF device")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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