- small fixes for iqs62x-keys and melfas_mip4 drivers
- corrected register address in snvs_pwrkey driver
- Synaptic driver will stop trying to use intertouch (native) mode on
some Lenovo AMD devices
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Merge tag 'input-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- small fixes for iqs62x-keys and melfas_mip4 drivers
- corrected register address in snvs_pwrkey driver
- Synaptic driver will stop trying to use intertouch (native) mode on
some Lenovo AMD devices
* tag 'input-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: snvs_pwrkey - fix SNVS_HPVIDR1 register address
Input: synaptics - disable Intertouch for Lenovo T14 and P14s AMD G1
Input: iqs62x-keys - drop unused device node references
Input: melfas_mip4 - fix return value check in mip4_probe()
Three late patches to fix problems discovered recently.
* Add a horkage to disable link power management by default for the
Pioneer BDR-207M and BDR-205 DVD drives (from Niklas).
* 2 patches to fix setting the maximum queue depth of libsas owned ATA
devices (from me).
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Merge tag 'ata-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fixes from Damien Le Moal:
"Three late patches to fix problems discovered recently:
- Add a horkage to disable link power management by default for the
Pioneer BDR-207M and BDR-205 DVD drives (from Niklas)
- Two patches to fix setting the maximum queue depth of libsas owned
ATA devices (from me)"
* tag 'ata-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-sata: Fix device queue depth control
ata: libata-scsi: Fix initialization of device queue depth
libata: add ATA_HORKAGE_NOLPM for Pioneer BDR-207M and BDR-205
Since loongson3_smp_ops is not used in LoongArch anymore, let's remove
it for cleanup.
Fixes: f2ac457a61 ("LoongArch: Add CPU definition headers")
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
We don't emulate reserved instructions and just send a signal to the
current process now. So we don't need to call compute_return_era() to
add 4 (point to the next instruction) to csr_era in pt_regs. RA/ERA's
backup/restore is cleaned up as well.
Signed-off-by: Jun Yi <yijun@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Align the address of kernel_entry to 4KB, to avoid early tlb miss
exception in case the entry code crosses page boundary.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Mat Martineau says:
====================
mptcp: Properly clean up unaccepted subflows
Patch 1 factors out part of the mptcp_close() function for use by a caller
that already owns the socket lock. This is a prerequisite for patch 2.
Patch 2 is the fix that fully cleans up the unaccepted subflow sockets.
====================
Link: https://lore.kernel.org/r/20220927193158.195729-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The mptcp socket and its subflow sockets in accept queue can't be
released after the process exit.
While the release of a mptcp socket in listening state, the
corresponding tcp socket will be released too. Meanwhile, the tcp
socket in the unaccept queue will be released too. However, only init
subflow is in the unaccept queue, and the joined subflow is not in the
unaccept queue, which makes the joined subflow won't be released, and
therefore the corresponding unaccepted mptcp socket will not be released
to.
This can be reproduced easily with following steps:
1. create 2 namespace and veth:
$ ip netns add mptcp-client
$ ip netns add mptcp-server
$ sysctl -w net.ipv4.conf.all.rp_filter=0
$ ip netns exec mptcp-client sysctl -w net.mptcp.enabled=1
$ ip netns exec mptcp-server sysctl -w net.mptcp.enabled=1
$ ip link add red-client netns mptcp-client type veth peer red-server \
netns mptcp-server
$ ip -n mptcp-server address add 10.0.0.1/24 dev red-server
$ ip -n mptcp-server address add 192.168.0.1/24 dev red-server
$ ip -n mptcp-client address add 10.0.0.2/24 dev red-client
$ ip -n mptcp-client address add 192.168.0.2/24 dev red-client
$ ip -n mptcp-server link set red-server up
$ ip -n mptcp-client link set red-client up
2. configure the endpoint and limit for client and server:
$ ip -n mptcp-server mptcp endpoint flush
$ ip -n mptcp-server mptcp limits set subflow 2 add_addr_accepted 2
$ ip -n mptcp-client mptcp endpoint flush
$ ip -n mptcp-client mptcp limits set subflow 2 add_addr_accepted 2
$ ip -n mptcp-client mptcp endpoint add 192.168.0.2 dev red-client id \
1 subflow
3. listen and accept on a port, such as 9999. The nc command we used
here is modified, which makes it use mptcp protocol by default.
$ ip netns exec mptcp-server nc -l -k -p 9999
4. open another *two* terminal and use each of them to connect to the
server with the following command:
$ ip netns exec mptcp-client nc 10.0.0.1 9999
Input something after connect to trigger the connection of the second
subflow. So that there are two established mptcp connections, with the
second one still unaccepted.
5. exit all the nc command, and check the tcp socket in server namespace.
And you will find that there is one tcp socket in CLOSE_WAIT state
and can't release forever.
Fix this by closing all of the unaccepted mptcp socket in
mptcp_subflow_queue_clean() with __mptcp_close().
Now, we can ensure that all unaccepted mptcp sockets will be cleaned by
__mptcp_close() before they are released, so mptcp_sock_destruct(), which
is used to clean the unaccepted mptcp socket, is not needed anymore.
The selftests for mptcp is ran for this commit, and no new failures.
Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Fixes: 6aeed90450 ("mptcp: fix race on unaccepted mptcp sockets")
Cc: stable@vger.kernel.org
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Reviewed-by: Mengen Sun <mengensun@tencent.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Factor out __mptcp_close() from mptcp_close(). The caller of
__mptcp_close() should hold the socket lock, and cancel mptcp work when
__mptcp_close() returns true.
This function will be used in the next commit.
Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Fixes: 6aeed90450 ("mptcp: fix race on unaccepted mptcp sockets")
Cc: stable@vger.kernel.org
Reviewed-by: Jiang Biao <benbjiang@tencent.com>
Reviewed-by: Mengen Sun <mengensun@tencent.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
ice: xsk: ZC changes
Maciej Fijalkowski says:
This set consists of two fixes to issues that were either pointed out on
indirectly (John was reviewing AF_XDP selftests that were testing ice's
ZC support) mailing list or were directly reported by customers.
First patch allows user space to see done descriptor in CQ even after a
single frame being transmitted and second patch removes the need for
having HW rings sized to power of 2 number of descriptors when used
against AF_XDP.
I also forgot to mention that due to the current Tx cleaning algorithm,
4k HW ring was broken and these two patches bring it back to life, so we
kill two birds with one stone.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: xsk: drop power of 2 ring size restriction for AF_XDP
ice: xsk: change batched Tx descriptor cleaning
====================
Link: https://lore.kernel.org/r/20220927164112.4011983-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently the following set of commands fails:
$ ip link add br0 type bridge # vlan_filtering 0
$ ip link set swp0 master br0
$ bridge vlan
port vlan-id
swp0 1 PVID Egress Untagged
$ bridge vlan add dev swp0 vid 10
Error: mscc_ocelot_switch_lib: Port with more than one egress-untagged VLAN cannot have egress-tagged VLANs.
Dumping ocelot->vlans, one can see that the 2 egress-untagged VLANs on swp0 are
vid 1 (the bridge PVID) and vid 4094, a PVID used privately by the driver for
VLAN-unaware bridging. So this is why bridge vid 10 is refused, despite
'bridge vlan' showing a single egress untagged VLAN.
As mentioned in the comment added, having this private VLAN does not impose
restrictions to the hardware configuration, yet it is a bookkeeping problem.
There are 2 possible solutions.
One is to make the functions that operate on VLAN-unaware pvids:
- ocelot_add_vlan_unaware_pvid()
- ocelot_del_vlan_unaware_pvid()
- ocelot_port_setup_dsa_8021q_cpu()
- ocelot_port_teardown_dsa_8021q_cpu()
call something different than ocelot_vlan_member_(add|del)(), the latter being
the real problem, because it allocates a struct ocelot_bridge_vlan *vlan which
it adds to ocelot->vlans. We don't really *need* the private VLANs in
ocelot->vlans, it's just that we have the extra convenience of having the
vlan->portmask cached in software (whereas without these structures, we'd have
to create a raw ocelot_vlant_rmw_mask() procedure which reads back the current
port mask from hardware).
The other solution is to filter out the private VLANs from
ocelot_port_num_untagged_vlans(), since they aren't what callers care about.
We only need to do this to the mentioned function and not to
ocelot_port_num_tagged_vlans(), because private VLANs are never egress-tagged.
Nothing else seems to be broken in either solution, but the first one requires
more rework which will conflict with the net-next change 36a0bf4435 ("net:
mscc: ocelot: set up tag_8021q CPU ports independent of user port affinity"),
and I'd like to avoid that. So go with the other one.
Fixes: 54c3198460 ("net: mscc: ocelot: enforce FDB isolation when VLAN-unaware")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20220927122042.1100231-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- A couple of configuration fixes for the recently merged Loongarch drivers
- A fix to avoid dynamic allocation of a cpumask which was causing issues
with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver
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Merge tag 'irq_urgent_for_v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more irqchip fixes from Borislav Petkov:
"More irqchip fixes for 6.0 from Marc Zyngier. Stuff got left hanging
due to the whole Plumbers and vacations commotion.
- A couple of configuration fixes for the recently merged Loongarch
drivers
- A fix to avoid dynamic allocation of a cpumask which was causing
issues with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver"
* tag 'irq_urgent_for_v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/loongson-pch-lpc: Add dependence on LoongArch
irqchip: Select downstream irqchip drivers for LoongArch CPU
irqchip/gic-v3-its: Remove cpumask_var_t allocation
irqchip/stm32-exti: Remove check on always false condition
- Terminate infinite loop in SD-UHS voltage switch
MMC host:
- hsq: Fix kernel crash in the recovery path
- moxart: Fix bus width configurations
- sdhci: Fix kernel panic for cqe irq
ARM_SCMI:
- Fixup clock management by reverting "firmware: arm_scmi: Add clock
management to the SCMI power domain"
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Merge tag 'mmc-v6.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of MMC fixes. This time there is also a fix for the ARM SCMI
firmware driver, which has been acked by Sudeep Holla, the maintainer.
MMC core:
- Terminate infinite loop in SD-UHS voltage switch
MMC host:
- hsq: Fix kernel crash in the recovery path
- moxart: Fix bus width configurations
- sdhci: Fix kernel panic for cqe irq
ARM_SCMI:
- Fixup clock management by reverting 'firmware: arm_scmi: Add clock
management to the SCMI power domain'"
* tag 'mmc-v6.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: hsq: Fix data stomping during mmc recovery
Revert "firmware: arm_scmi: Add clock management to the SCMI power domain"
mmc: core: Terminate infinite loop in SD-UHS voltage switch
mmc: moxart: fix 4-bit bus width and remove 8-bit bus width
mmc: sdhci: Fix host->cmd is null
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Merge tag 'linux-can-fixes-for-6.0-20220928' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2022-09-28
The patch is by me and targets the c_can driver. It disables an
optimization in the TX path of C_CAN cores which causes problems.
* tag 'linux-can-fixes-for-6.0-20220928' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: c_can: don't cache TX messages for C_CAN cores
====================
Link: https://lore.kernel.org/r/20220928090629.1124190-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 1d0403d20f.
Anatoly Pugachev reported that the commit 1d0403d20f ("net: set proper
memcg for net_init hooks allocations") is somehow causing the sparc64
VMs failed to boot and the VMs boot fine with that patch reverted. So,
revert the patch for now and later we can debug the issue.
Link: https://lore.kernel.org/all/20220918092849.GA10314@u164.east.ru/
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Cc: Vasily Averin <vvs@openvz.org>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: cgroups@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Fixes: 1d0403d20f ("net: set proper memcg for net_init hooks allocations")
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The function __ata_change_queue_depth() uses the helper
ata_scsi_find_dev() to get the ata_device structure of a scsi device and
set that device maximum queue depth. However, when the ata device is
managed by libsas, ata_scsi_find_dev() returns NULL, turning
__ata_change_queue_depth() into a nop, which prevents the user from
setting the maximum queue depth of ATA devices used with libsas based
HBAs.
Fix this by renaming __ata_change_queue_depth() to
ata_change_queue_depth() and adding a pointer to the ata_device
structure of the target device as argument. This pointer is provided by
ata_scsi_change_queue_depth() using ata_scsi_find_dev() in the case of
a libata managed device and by sas_change_queue_depth() using
sas_to_ata_dev() in the case of a libsas managed ata device.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: John Garry <john.garry@huawei.com>
For SATA devices supporting NCQ, drivers using libsas first initialize a
scsi device queue depth based on the controller and device capabilities,
leading to the scsi device queue_depth field being 32 (ATA maximum queue
depth) for most setup. However, if libata was loaded using the
force=[ID]]noncq argument, the default queue depth should be set to 1 to
reflect the fact that queuable commands will never be used. This is
consistent with manually setting a device queue depth to 1 through sysfs
as that disables NCQ use for the device.
Fix ata_scsi_dev_config() to honor the noncq parameter by sertting the
device queue depth to 1 for devices that do not have the ATA_DFLAG_NCQ
flag set.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: John Garry <john.garry@huawei.com>
This should be the last set of bugfixes in the SoC tree:
- Two fixes for Arm integrator, dealing with a regression caused
by invalid DT properties combined with a change in dma address
translation, and missing device_type annotations on the PCI
bus.
- Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
NPCM8XX platforms.
- Bjorn Andersson's email address changes in the MAINTAINERS file
- Multiple minor fixes to Qualcomm dts files, and a change to the
remoteproc firmware filename that did not match the actual
path in the linux-firmware package.
- Minor code fixes for the Allwinner/sunxi SRAM driver, and the
broadcom STB Bus Interface Unit driver
- A build fix for the sunplus sp7021 platform
- Two dts fixes for TI OMAP family SoCs, addressing an extraneous
usb4 device node and an incorrect DMA handle.
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Merge tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This should be the last set of bugfixes in the SoC tree:
- Two fixes for Arm integrator, dealing with a regression caused by
invalid DT properties combined with a change in dma address
translation, and missing device_type annotations on the PCI bus
- Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
NPCM8XX platforms
- Bjorn Andersson's email address changes in the MAINTAINERS file
- Multiple minor fixes to Qualcomm dts files, and a change to the
remoteproc firmware filename that did not match the actual path in
the linux-firmware package
- Minor code fixes for the Allwinner/sunxi SRAM driver, and the
broadcom STB Bus Interface Unit driver
- A build fix for the sunplus sp7021 platform
- Two dts fixes for TI OMAP family SoCs, addressing an extraneous
usb4 device node and an incorrect DMA handle"
* tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: dts: integrator: Fix DMA ranges
ARM: dts: integrator: Tag PCI host with device_type
ARM: sunplus: fix serial console kconfig and build problems
reset: npcm: fix iprst2 and iprst4 setting
arm64: dts: qcom: sm8350: fix UFS PHY serdes size
soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()
arm64: dts: qcom: sc8280xp-x13s: Update firmware location
soc: sunxi: sram: Fix debugfs info for A64 SRAM C
soc: sunxi: sram: Fix probe function ordering issues
soc: sunxi: sram: Prevent the driver from being unbound
soc: sunxi: sram: Actually claim SRAM regions
ARM: dts: am5748: keep usb4_tm disabled
reset: microchip-sparx5: issue a reset on startup
reset: imx7: Fix the iMX8MP PCIe PHY PERST support
MAINTAINERS: Update Bjorn's email address
arm64: dts: qcom: sc7280: move USB wakeup-source property
arm64: dts: qcom: thinkpad-x13s: Fix firmware location
arm64: dts: qcom: sm8150: Fix fastrpc iommu values
ARM: dts: am33xx: Fix MMCHS0 dma properties
We had multiple customers in the past months that reported commit
296f13ff38 ("ice: xsk: Force rings to be sized to power of 2")
makes them unable to use ring size of 8160 in conjunction with AF_XDP.
Remove this restriction.
Fixes: 296f13ff38 ("ice: xsk: Force rings to be sized to power of 2")
CC: Alasdair McWilliam <alasdair.mcwilliam@outlook.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
AF_XDP Tx descriptor cleaning in ice driver currently works in a "lazy"
way - descriptors are not cleaned immediately after send. We rather hold
on with cleaning until we see that free space in ring drops below
particular threshold. This was supposed to reduce the amount of
unnecessary work related to cleaning and instead of keeping the ring
empty, ring was rather saturated.
In AF_XDP realm cleaning Tx descriptors implies producing them to CQ.
This is a way of letting know user space that particular descriptor has
been sent, as John points out in [0].
We tried to implement serial descriptor cleaning which would be used in
conjunction with batched cleaning but it made code base more convoluted
and probably harder to maintain in future. Therefore we step away from
batched cleaning in a current form in favor of an approach where we set
RS bit on every last descriptor from a batch and clean always at the
beginning of ice_xmit_zc().
This means that we give up a bit of Tx performance, but this doesn't
hurt l2fwd scenario which is way more meaningful than txonly as this can
be treaten as AF_XDP based packet generator. l2fwd is not hurt due to
the fact that Tx side is much faster than Rx and Rx is the one that has
to catch Tx up.
FWIW Tx descriptors are still produced in a batched way.
[0]: https://lore.kernel.org/bpf/62b0a20232920_3573208ab@john.notmuch/
Fixes: 126cdfe100 ("ice: xsk: Improve AF_XDP ZC Tx and use batching API")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Both i.MX6 and i.MX8 reference manuals list 0xBF8 as SNVS_HPVIDR1
(chapters 57.9 and 6.4.5 respectively).
Without this, trying to read the revision number results in 0 on
all revisions, causing the i.MX6 quirk to apply on all platforms,
which in turn causes the driver to synthesise power button release
events instead of passing the real one as they happen even on
platforms like i.MX8 where that's not wanted.
Fixes: 1a26c92071 ("Input: snvs_pwrkey - send key events for i.MX6 S, DL and Q")
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/4599101.ElGaqSPkdT@pliszka
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
hopefully the last PR for 6.0: here we have a few device-specific
fixes, mostly for ASoC. All look small / trivial enough.
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Merge tag 'sound-6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A few device-specific fixes, mostly for ASoC. All look small / trivial
enough"
* tag 'sound-6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: intel-dsp-config: add missing RaptorLake PCI IDs
ASoC: tas2770: Reinit regcache on reset
ASoC: nau8824: Fix semaphore is released unexpectedly
ASoC: Intel: sof_sdw: add support for Dell SKU 0AFF
ASoC: imx-card: Fix refcount issue with of_node_put
ASoC: rt5640: Fix the issue of the abnormal JD2 status
- A couple of configuration fixes for the recently merged Loongarch drivers
- A fix to avoid dynamic allocation of a cpumask which was causing issues
with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver
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Merge tag 'irqchip-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull more irqchip fixes for 6.0 from Marc Zyngier:
- A couple of configuration fixes for the recently merged Loongarch drivers
- A fix to avoid dynamic allocation of a cpumask which was causing issues
with PREEMPT_RT and the GICv3 ITS
- A tightening of an error check in the stm32 exti driver
Link: https://lore.kernel.org/r/20220916085158.2592518-1-maz@kernel.org
The block device uses multiple queues to access emmc. There will be up to 3
requests in the hsq of the host. The current code will check whether there
is a request doing recovery before entering the queue, but it will not check
whether there is a request when the lock is issued. The request is in recovery
mode. If there is a request in recovery, then a read and write request is
initiated at this time, and the conflict between the request and the recovery
request will cause the data to be trampled.
Signed-off-by: Wenchao Chen <wenchao.chen@unisoc.com>
Fixes: 511ce378e1 ("mmc: Add MMC host software queue support")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220916090506.10662-1-wenchao.chen666@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The socket 2 bind the addr in use, bind should fail with EADDRINUSE. So
if bind success or errno != EADDRINUSE, testcase should be failed.
Fixes: 3ca8e40299 ("soreuseport: BPF selection functional test")
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Link: https://lore.kernel.org/r/1663916557-10730-1-git-send-email-wangyufen@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Commit 744d23c71a ("net: phy: Warn about incorrect mdio_bus_phy_resume()
state") introduced a WARN() on resume from system sleep if a PHY is not
in PHY_HALTED state.
Commit 6dbe852c37 ("net: phy: Don't WARN for PHY_READY state in
mdio_bus_phy_resume()") added an exemption for PHY_READY state from
the WARN().
It turns out PHY_UP state needs to be exempted as well because the
following may happen on suspend:
mdio_bus_phy_suspend()
phy_stop_machine()
phydev->state = PHY_UP # if (phydev->state >= PHY_UP)
Fixes: 744d23c71a ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/netdev/2b1a1588-505e-dff3-301d-bfc1fb14d685@samsung.com/
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Xiaolei Wang <xiaolei.wang@windriver.com>
Link: https://lore.kernel.org/r/8128fdb51eeebc9efbf3776a4097363a1317aaf1.1663905575.git.lukas@wunner.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit fixes DMA engine reset timeout issue in suspend/resume
with ADLink I-Pi SMARC Plus board which dmesg shows:
...
[ 54.678271] PM: suspend exit
[ 54.754066] intel-eth-pci 0000:00:1d.2 enp0s29f2: PHY [stmmac-3:01] driver [Maxlinear Ethernet GPY215B] (irq=POLL)
[ 54.755808] intel-eth-pci 0000:00:1d.2 enp0s29f2: Register MEM_TYPE_PAGE_POOL RxQ-0
...
[ 54.780482] intel-eth-pci 0000:00:1d.2 enp0s29f2: Register MEM_TYPE_PAGE_POOL RxQ-7
[ 55.784098] intel-eth-pci 0000:00:1d.2: Failed to reset the dma
[ 55.784111] intel-eth-pci 0000:00:1d.2 enp0s29f2: stmmac_hw_setup: DMA engine initialization failed
[ 55.784115] intel-eth-pci 0000:00:1d.2 enp0s29f2: stmmac_open: Hw setup failed
...
The issue is related with serdes which impacts clock. There is
serdes in ADLink I-Pi SMARC board ethernet controller. Please refer to
commit b9663b7ca6 ("net: stmmac: Enable SERDES power up/down sequence")
for detial. When issue is reproduced, DMA engine clock is not ready
because serdes is not powered up.
To reproduce DMA engine reset timeout issue with hardware which has
serdes in GBE controller, install Ubuntu. In Ubuntu GUI, click
"Power Off/Log Out" -> "Suspend" menu, it disables network interface,
then goes to sleep mode. When it wakes up, it enables network
interface again. Stmmac driver is called in this way:
1. stmmac_release: Stop network interface. In this function, it
disables DMA engine and network interface;
2. stmmac_suspend: It is called in kernel suspend flow. But because
network interface has been disabled(netif_running(ndev) is
false), it does nothing and returns directly;
3. System goes into S3 or S0ix state. Some time later, system is
waken up by keyboard or mouse;
4. stmmac_resume: It does nothing because network interface has
been disabled;
5. stmmac_open: It is called to enable network interace again. DMA
engine is initialized in this API, but serdes is not power on so
there will be DMA engine reset timeout issue.
Similarly, serdes powerdown should be added in stmmac_release.
Network interface might be disabled by cmd "ifconfig eth0 down",
DMA engine, phy and mac have been disabled in ndo_stop callback,
serdes should be powered down as well. It doesn't make sense that
serdes is on while other components have been turned off.
If ethernet interface is in enabled state(netif_running(ndev) is true)
before suspend/resume, the issue couldn't be reproduced because serdes
could be powered up in stmmac_resume.
Because serdes_powerup is added in stmmac_open, it doesn't need to be
called in probe function.
Fixes: b9663b7ca6 ("net: stmmac: Enable SERDES power up/down sequence")
Signed-off-by: Junxiao Chang <junxiao.chang@intel.com>
Reviewed-by: Voon Weifeng <weifeng.voon@intel.com>
Tested-by: Jimmy JS Chen <jimmyjs.chen@adlinktech.com>
Tested-by: Looi, Hong Aun <hong.aun.looi@intel.com>
Link: https://lore.kernel.org/r/20220923050448.1220250-1-junxiao.chang@intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Commit 6911458dc4 ("wifi: mac80211: mlme: refactor assoc success
handling") moved the per-link setup out of ieee80211_assoc_success() into a
new function ieee80211_assoc_config_link() but missed to remove the unlock
of 'sta_mtx' in case of HE capability/operation missing on HE AP, which
leads to a double unlock:
ieee80211_assoc_success() {
...
ieee80211_assoc_config_link() {
...
if (!(link->u.mgd.conn_flags & IEEE80211_CONN_DISABLE_HE) &&
(!elems->he_cap || !elems->he_operation)) {
mutex_unlock(&sdata->local->sta_mtx);
...
}
...
}
...
mutex_unlock(&sdata->local->sta_mtx);
...
}
Fixes: 6911458dc4 ("wifi: mac80211: mlme: refactor assoc success handling")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Link: https://lore.kernel.org/r/20220925143420.784975-1-rafaelmendsr@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit 98b0b46746 ("wifi: mac80211: mlme: use correct link_sta")
switched to link station instead of deflink and added some checks to do
that, which are done with the 'sta_mtx' mutex held. However, the error
path of these checks does not unlock 'sta_mtx' before returning.
Fixes: 98b0b46746 ("wifi: mac80211: mlme: use correct link_sta")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Link: https://lore.kernel.org/r/20220924184042.778676-1-rafaelmendsr@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
During our testing of WFM200 module over SDIO on i.MX6Q-based platform,
we discovered a memory corruption on the system, tracing back to the wfx
driver. Using kfence, it was possible to trace it back to the root
cause, which is hw->max_rates set to 8 in wfx_init_common,
while the maximum defined by IEEE80211_TX_TABLE_SIZE is 4.
This causes array out-of-bounds writes during updates of the rate table,
as seen below:
BUG: KFENCE: memory corruption in kfree_rcu_work+0x320/0x36c
Corrupted memory at 0xe0a4ffe0 [ 0x03 0x03 0x03 0x03 0x01 0x00 0x00
0x02 0x02 0x02 0x09 0x00 0x21 0xbb 0xbb 0xbb ] (in kfence-#81):
kfree_rcu_work+0x320/0x36c
process_one_work+0x3ec/0x920
worker_thread+0x60/0x7a4
kthread+0x174/0x1b4
ret_from_fork+0x14/0x2c
0x0
kfence-#81: 0xe0a4ffc0-0xe0a4ffdf, size=32, cache=kmalloc-64
allocated by task 297 on cpu 0 at 631.039555s:
minstrel_ht_update_rates+0x38/0x2b0 [mac80211]
rate_control_tx_status+0xb4/0x148 [mac80211]
ieee80211_tx_status_ext+0x364/0x1030 [mac80211]
ieee80211_tx_status+0xe0/0x118 [mac80211]
ieee80211_tasklet_handler+0xb0/0xe0 [mac80211]
tasklet_action_common.constprop.0+0x11c/0x148
__do_softirq+0x1a4/0x61c
irq_exit+0xcc/0x104
call_with_stack+0x18/0x20
__irq_svc+0x80/0xb0
wq_worker_sleeping+0x10/0x100
wq_worker_sleeping+0x10/0x100
schedule+0x50/0xe0
schedule_timeout+0x2e0/0x474
wait_for_completion+0xdc/0x1ec
mmc_wait_for_req_done+0xc4/0xf8
mmc_io_rw_extended+0x3b4/0x4ec
sdio_io_rw_ext_helper+0x290/0x384
sdio_memcpy_toio+0x30/0x38
wfx_sdio_copy_to_io+0x88/0x108 [wfx]
wfx_data_write+0x88/0x1f0 [wfx]
bh_work+0x1c8/0xcc0 [wfx]
process_one_work+0x3ec/0x920
worker_thread+0x60/0x7a4
kthread+0x174/0x1b4
ret_from_fork+0x14/0x2c 0x0
After discussion on the wireless mailing list it was clarified
that the issue has been introduced by:
commit ee0e16ab75 ("mac80211: minstrel_ht: fill all requested rates")
and fix shall be in minstrel_ht_update_rates in rc80211_minstrel_ht.c.
Fixes: ee0e16ab75 ("mac80211: minstrel_ht: fill all requested rates")
Link: https://lore.kernel.org/all/12e5adcd-8aed-f0f7-70cc-4fb7b656b829@camlingroup.com/
Link: https://lore.kernel.org/linux-wireless/20220915131445.30600-1-lech.perczak@camlingroup.com/
Cc: Jérôme Pouiller <jerome.pouiller@silabs.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Peter Seiderer <ps.report@gmx.net>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: Krzysztof Drobiński <krzysztof.drobinski@camlingroup.com>,
Signed-off-by: Paweł Lenkow <pawel.lenkow@camlingroup.com>
Signed-off-by: Lech Perczak <lech.perczak@camlingroup.com>
Reviewed-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit 10cb8e6175 ("mac80211: enable QoS support for nl80211 ctrl port")
changed ieee80211_tx_control_port() to aways call
__ieee80211_select_queue() without checking local->hw.queues.
__ieee80211_select_queue() returns a queue-id between 0 and 3, which means
that now ieee80211_tx_control_port() may end up setting the queue-mapping
for a skb to a value higher then local->hw.queues if local->hw.queues
is less then 4.
Specifically this is a problem for ralink rt2500-pci cards where
local->hw.queues is 2. There this causes rt2x00queue_get_tx_queue() to
return NULL and the following error to be logged: "ieee80211 phy0:
rt2x00mac_tx: Error - Attempt to send packet over invalid queue 2",
after which association with the AP fails.
Other callers of __ieee80211_select_queue() skip calling it when
local->hw.queues < IEEE80211_NUM_ACS, add the same check to
ieee80211_tx_control_port(). This fixes ralink rt2500-pci and
similar cards when less then 4 tx-queues no longer working.
Fixes: 10cb8e6175 ("mac80211: enable QoS support for nl80211 ctrl port")
Cc: Markus Theil <markus.theil@tu-ilmenau.de>
Suggested-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220918192052.443529-1-hdegoede@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Make sure local->queue_stop_reasons and vif.txqs_stopped stay in sync.
When a new vif is created the queues may end up in an inconsistent state
and be inoperable:
Communication not using iTXQ will work, allowing to e.g. complete the
association. But the 4-way handshake will time out. The sta will not
send out any skbs queued in iTXQs.
All normal attempts to start the queues will fail when reaching this
state.
local->queue_stop_reasons will have marked all queues as operational but
vif.txqs_stopped will still be set, creating an inconsistent internal
state.
In reality this seems to be race between the mac80211 function
ieee80211_do_open() setting SDATA_STATE_RUNNING and the wake_txqs_tasklet:
Depending on the driver and the timing the queues may end up to be
operational or not.
Cc: stable@vger.kernel.org
Fixes: f856373e2f ("wifi: mac80211: do not wake queues on a vif that is being stopped")
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Acked-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220915130946.302803-1-alexander@wetzel-home.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
ieee80211_txq_purge() calls fq_tin_reset() and
ieee80211_purge_tx_queue(); Both are then calling
ieee80211_free_txskb(). Which can decide to TX the skb again.
There are at least two ways to get a deadlock:
1) When we have a TDLS teardown packet queued in either tin or frags
ieee80211_tdls_td_tx_handle() will call ieee80211_subif_start_xmit()
while we still hold fq->lock. ieee80211_txq_enqueue() will thus
deadlock.
2) A variant of the above happens if aggregation is up and running:
In that case ieee80211_iface_work() will deadlock with the original
task: The original tasks already holds fq->lock and tries to get
sta->lock after kicking off ieee80211_iface_work(). But the worker
can get sta->lock prior to the original task and will then spin for
fq->lock.
Avoid these deadlocks by not sending out any skbs when called via
ieee80211_free_txskb().
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
Link: https://lore.kernel.org/r/20220915124120.301918-1-alexander@wetzel-home.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The Bitrate for HE/EHT MCS6 is calculated wrongly due to the
incorrect MCS divisor value for mcs6. Fix it with the proper
value.
previous mcs_divisor value = (11769/6144) = 1.915527
fixed mcs_divisor value = (11377/6144) = 1.851725
Fixes: 9c97c88d2f ("cfg80211: Add support to calculate and report 4096-QAM HE rates")
Signed-off-by: Tamizh Chelvam Raja <quic_tamizhr@quicinc.com>
Link: https://lore.kernel.org/r/20220908181034.9936-1-quic_tamizhr@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Commit 1527f69204 ("ata: ahci: Add Green Sardine vendor ID as
board_ahci_mobile") added an explicit entry for AMD Green Sardine
AHCI controller using the board_ahci_mobile configuration (this
configuration has later been renamed to board_ahci_low_power).
The board_ahci_low_power configuration enables support for low power
modes.
This explicit entry takes precedence over the generic AHCI controller
entry, which does not enable support for low power modes.
Therefore, when commit 1527f69204 ("ata: ahci: Add Green Sardine
vendor ID as board_ahci_mobile") was backported to stable kernels,
it make some Pioneer optical drives, which was working perfectly fine
before the commit was backported, stop working.
The real problem is that the Pioneer optical drives do not handle low
power modes correctly. If these optical drives would have been tested
on another AHCI controller using the board_ahci_low_power configuration,
this issue would have been detected earlier.
Unfortunately, the board_ahci_low_power configuration is only used in
less than 15% of the total AHCI controller entries, so many devices
have never been tested with an AHCI controller with low power modes.
Fixes: 1527f69204 ("ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile")
Cc: stable@vger.kernel.org
Reported-by: Jaap Berkhout <j.j.berkhout@staalenberk.nl>
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
cpu idle hardware workaround.
* A new Intel model number. Folks like these upstream as soon as
possible so that each developer doing feature development doesn't
need to carry their own #define.
* SGX fixes for a userspace crash and a rare kernel warning
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Merge tag 'x86_urgent_for_v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Dave Hansen:
- A performance fix for recent large AMD systems that avoids an ancient
cpu idle hardware workaround
- A new Intel model number. Folks like these upstream as soon as
possible so that each developer doing feature development doesn't
need to carry their own #define
- SGX fixes for a userspace crash and a rare kernel warning
* tag 'x86_urgent_for_v6.0-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ACPI: processor idle: Practically limit "Dummy wait" workaround to old Intel systems
x86/sgx: Handle VA page allocation failure for EAUG on PF.
x86/sgx: Do not fail on incomplete sanitization on premature stop of ksgxd
x86/cpu: Add CPU model numbers for Meteor Lake
A recent change affecting the behaviour of phys_to_dma() to
actually require the device tree ranges to work unmasked a
bug in the Integrator DMA ranges.
The PL110 uses the CMA allocator to obtain coherent allocations
from a dedicated 1MB video memory, leading to the following
call chain:
drm_gem_cma_create()
dma_alloc_attrs()
dma_alloc_from_dev_coherent()
__dma_alloc_from_coherent()
dma_get_device_base()
phys_to_dma()
translate_phys_to_dma()
phys_to_dma() by way of translate_phys_to_dma() will nowadays not
provide 1:1 mappings unless the ranges are properly defined in
the device tree and reflected into the dev->dma_range_map.
There is a bug in the device trees because the DMA ranges are
incorrectly specified, and the patch uncovers this bug.
Solution:
- Fix the LB (logic bus) ranges to be 1-to-1 like they should
have always been.
- Provide a 1:1 dma-ranges attribute to the PL110.
- Mark the PL110 display controller as DMA coherent.
This makes the DMA ranges work right and makes the PL110
framebuffer work again.
Fixes: af6f23b88e ("ARM/dma-mapping: use the generic versions of dma_to_phys/phys_to_dma by default")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220926073311.1610568-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
cycle, 18 are for earlier issues, and are cc:stable.
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Merge tag 'mm-hotfixes-stable-2022-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull last (?) hotfixes from Andrew Morton:
"26 hotfixes.
8 are for issues which were introduced during this -rc cycle, 18 are
for earlier issues, and are cc:stable"
* tag 'mm-hotfixes-stable-2022-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (26 commits)
x86/uaccess: avoid check_object_size() in copy_from_user_nmi()
mm/page_isolation: fix isolate_single_pageblock() isolation behavior
mm,hwpoison: check mm when killing accessing process
mm/hugetlb: correct demote page offset logic
mm: prevent page_frag_alloc() from corrupting the memory
mm: bring back update_mmu_cache() to finish_fault()
frontswap: don't call ->init if no ops are registered
mm/huge_memory: use pfn_to_online_page() in split_huge_pages_all()
mm: fix madivse_pageout mishandling on non-LRU page
powerpc/64s/radix: don't need to broadcast IPI for radix pmd collapse flush
mm: gup: fix the fast GUP race against THP collapse
mm: fix dereferencing possible ERR_PTR
vmscan: check folio_test_private(), not folio_get_private()
mm: fix VM_BUG_ON in __delete_from_swap_cache()
tools: fix compilation after gfp_types.h split
mm/damon/dbgfs: fix memory leak when using debugfs_lookup()
mm/migrate_device.c: copy pte dirty bit to page
mm/migrate_device.c: add missing flush_cache_page()
mm/migrate_device.c: flush TLB while holding PTL
x86/mm: disable instrumentations of mm/pgprot.c
...
The devm_ioremap() function returns NULL on error, it doesn't return
error pointers.
Fixes: 3a1a274e93 ("mlxbf_gige: compute MDIO period based on i1clk")
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Link: https://lore.kernel.org/r/20220923023640.116057-1-wupeng58@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The label passed to the QDESC_GET for the ETHOFLD TXQ, RXQ, and FLQ, is the
'out' one, which skips the 'out_unlock' label, and thus doesn't unlock the
'uld_mutex' before returning. Additionally, since commit 5148e5950c
("cxgb4: add EOTID tracking and software context dump"), the access to
these ETHOFLD hardware queues should be protected by the 'mqprio_mutex'
instead.
Fixes: 2d0cb84dd9 ("cxgb4: add ETHOFLD hardware queue support")
Fixes: 5148e5950c ("cxgb4: add EOTID tracking and software context dump")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Reviewed-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Link: https://lore.kernel.org/r/20220922175109.764898-1-rafaelmendsr@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
forgotten to apply before the last pull request for ext4. My bad.
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Merge tag 'ext4_for_linus_fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull missed ext4 fix from Ted Ts'o:
"Fix an potential unitialzied variable bug; this was a fixup that I had
forgotten to apply before the last pull request for ext4. My bad"
* tag 'ext4_for_linus_fixes2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fixup possible uninitialized variable access in ext4_mb_choose_next_group_cr1()
nf_ct_put need to be called to put the refcount got by tcf_ct_fill_params
to avoid possible refcount leak when tcf_ct_flow_table_get fails.
Fixes: c34b961a24 ("net/sched: act_ct: Create nf flow table per zone")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Link: https://lore.kernel.org/r/20220923020046.8021-1-hbh25y@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The check_object_size() helper under CONFIG_HARDENED_USERCOPY is designed
to skip any checks where the length is known at compile time as a
reasonable heuristic to avoid "likely known-good" cases. However, it can
only do this when the copy_*_user() helpers are, themselves, inline too.
Using find_vmap_area() requires taking a spinlock. The
check_object_size() helper can call find_vmap_area() when the destination
is in vmap memory. If show_regs() is called in interrupt context, it will
attempt a call to copy_from_user_nmi(), which may call check_object_size()
and then find_vmap_area(). If something in normal context happens to be
in the middle of calling find_vmap_area() (with the spinlock held), the
interrupt handler will hang forever.
The copy_from_user_nmi() call is actually being called with a fixed-size
length, so check_object_size() should never have been called in the first
place. Given the narrow constraints, just replace the
__copy_from_user_inatomic() call with an open-coded version that calls
only into the sanitizers and not check_object_size(), followed by a call
to raw_copy_from_user().
[akpm@linux-foundation.org: no instrument_copy_from_user() in my tree...]
Link: https://lkml.kernel.org/r/20220919201648.2250764-1-keescook@chromium.org
Link: https://lore.kernel.org/all/CAOUHufaPshtKrTWOz7T7QFYUNVGFm0JBjvM700Nhf9qEL9b3EQ@mail.gmail.com
Fixes: 0aef499f31 ("mm/usercopy: Detect vmalloc overruns")
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Yu Zhao <yuzhao@google.com>
Reported-by: Florian Lehner <dev@der-flo.net>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Florian Lehner <dev@der-flo.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
set_migratetype_isolate() does not allow isolating MIGRATE_CMA pageblocks
unless it is used for CMA allocation. isolate_single_pageblock() did not
have the same behavior when it is used together with
set_migratetype_isolate() in start_isolate_page_range(). This allows
alloc_contig_range() with migratetype other than MIGRATE_CMA, like
MIGRATE_MOVABLE (used by alloc_contig_pages()), to isolate first and last
pageblock but fail the rest. The failure leads to changing migratetype of
the first and last pageblock to MIGRATE_MOVABLE from MIGRATE_CMA,
corrupting the CMA region. This can happen during gigantic page
allocations.
Like Doug said here:
https://lore.kernel.org/linux-mm/a3363a52-883b-dcd1-b77f-f2bb378d6f2d@gmail.com/T/#u,
for gigantic page allocations, the user would notice no difference,
since the allocation on CMA region will fail as well as it did before.
But it might hurt the performance of device drivers that use CMA, since
CMA region size decreases.
Fix it by passing migratetype into isolate_single_pageblock(), so that
set_migratetype_isolate() used by isolate_single_pageblock() will prevent
the isolation happening.
Link: https://lkml.kernel.org/r/20220914023913.1855924-1-zi.yan@sent.com
Fixes: b2c9e2fbba ("mm: make alloc_contig_range work at pageblock granularity")
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reported-by: Doug Berger <opendmb@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Doug Berger <opendmb@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
