Testing revealed a problem with how the reference tag was handled for
a WRITE_INSERT operation. The SCSI_PROT_REF_CHECK flag is not set when
the controller is asked to generate the protection information
(i.e. not DIX). And as a result the initial reference tag would not be
set in the WRITE_INSERT case.
Separate handling of the REF_CHECK and REF_INCREMENT flags to align
with both the DIX spec and the MPI implementation.
Link: https://lore.kernel.org/r/20211028034202.24225-1-martin.petersen@oracle.com
Fixes: b3e2c72af1 ("scsi: mpt3sas: Use the proper SCSI midlayer interfaces for PI")
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When spawning VFs in switchdev mode, internal filter list of VSIs is
cleared, which includes MAC rules. However MAC entries stay on netdev's
multicast list, which causes error message when bringing link up after
spawning VFs ("Failed to delete MAC filters"). __dev_mc_sync() is
called and tries to unsync addresses that were already removed
internally when adding VFs.
This can be reproduced with:
1) Load ice driver
2) Change PF to switchdev mode
3) Bring PF link up
4) Bring PF link down
5) Create a VF on PF
6) Bring PF link up
Added clearing of netdev's multicast (and also unicast) list when
spawning VFs in switchdev mode, so the state of internal rule list and
netdev's MAC list is consistent.
Fixes: 1a1c40df2e ("ice: set and release switchdev environment")
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Convert the NXP FlexSPI binding to DT schema format using json-schema.
Signed-off-by: Kuldeep Singh <kuldeep.singh@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210927105818.445675-1-kuldeep.singh@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
If we return before the end of the 'for_each_child_of_node()' iterator, the
reference taken on 'np' must be released.
Add the missing 'of_node_put()' call.
Fixes: c413983eb6 ("ASoC: rsnd: adjust disabled module")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/4c0e893cbfa21dc76c1ede0b6f4f8cff42209299.1634586167.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
Up to now aic3x_remove() returns zero unconditionally. Make it return
void instead which makes it easier to see in the callers that there is
no error to handle.
Also the return value of i2c and spi remove callbacks is ignored anyway.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211019074125.3812513-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
'const' qualifiers are missing on some platforms, add as needed.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-7-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
We have multiple entries for the same codecs, use the new compatible
IDs to have a single entry.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-6-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
We have multiple entries for the same codecs, use the new compatible
IDs to have a single entry.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-5-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Use comp_ids field to enumerate rt5682/rt5682s headphone codec for
JSL/TGL/ADL devices and remove redundant entries in tables.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-4-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Detect whether the headphone codec is ALC5682I-VS or not in probe
function so we don't need to duplicate all board configs for this new
variant.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-3-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
A machine driver needs to be enumerated by more than one ACPI HID if
it supports second headphone driver (i.e. rt5682 and rt5682s).
However, the id field in snd_soc_acpi_mach structure could contain
only one HID. By adding a 'comp_ids' field which can contain several
HIDs, we can enumerate a machine driver by multiple ACPI HIDs.
Signed-off-by: Brent Lu <brent.lu@intel.com>
Link: https://lore.kernel.org/r/20211029171409.611600-2-brent.lu@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- tmio: Re-enable card irqs after a reset
- mtk-sd: Fixup probing of cqhci for crypto
- cqhci: Fix support for suspend/resume
- vub300: Fix control-message timeouts
- dw_mmc-exynos: Fix support for tuning
- winbond: Silences build errors on M68K
- sdhci-esdhc-imx: Fix support for tuning
- sdhci-pci: Read card detect from ACPI for Intel Merrifield
- sdhci: Fix eMMC support for Thundercomm TurboX CM2290
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Merge tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- tmio: Re-enable card irqs after a reset
- mtk-sd: Fixup probing of cqhci for crypto
- cqhci: Fix support for suspend/resume
- vub300: Fix control-message timeouts
- dw_mmc-exynos: Fix support for tuning
- winbond: Silences build errors on M68K
- sdhci-esdhc-imx: Fix support for tuning
- sdhci-pci: Read card detect from ACPI for Intel Merrifield
- sdhci: Fix eMMC support for Thundercomm TurboX CM2290
* tag 'mmc-v5.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: tmio: reenable card irqs after the reset callback
mmc: mediatek: Move cqhci init behind ungate clock
mmc: cqhci: clear HALT state after CQE enable
mmc: vub300: fix control-message timeouts
mmc: dw_mmc: exynos: fix the finding clock sample value
mmc: winbond: don't build on M68K
mmc: sdhci-esdhc-imx: clear the buffer_read_ready to reset standard tuning circuit
mmc: sdhci-pci: Read card detect from ACPI for Intel Merrifield
mmc: sdhci: Map more voltage level to SDHCI_POWER_330
Currently, the vlan_promisc flag is used exclusively by VF VSI to
determine whether or not to toggle VLAN pruning along with
trusted/true-promiscuous mode. This is not needed for a couple of
reasons. First, trusted/true-promiscuous mode is only supposed to allow
all MAC filters within VLANs that a VF has added filters for, so VLAN
pruning should not be disabled. Second, the boolean argument makes the
function confusing and unintuitive. Remove this flag.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Merge tag 'for-5.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Last minute fixes for crash on 32bit architectures when compression is
in use. It's a regression introduced in 5.15-rc and I'd really like
not let this into the final release, fixes via stable trees would add
unnecessary delay.
The problem is on 32bit architectures with highmem enabled, the pages
for compression may need to be kmapped, while the patches removed that
as we don't use GFP_HIGHMEM allocations anymore. The pages that don't
come from local allocation still may be from highmem. Despite being on
32bit there's enough such ARM machines in use so it's not a marginal
issue.
I did full reverts of the patches one by one instead of a huge one.
There's one exception for the "lzo" revert as there was an
intermediate patch touching the same code to make it compatible with
subpage. I can't revert that one too, so the revert in lzo.c is
manual. Qu Wenruo has worked on that with me and verified the changes"
* tag 'for-5.15-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Revert "btrfs: compression: drop kmap/kunmap from lzo"
Revert "btrfs: compression: drop kmap/kunmap from zlib"
Revert "btrfs: compression: drop kmap/kunmap from zstd"
Revert "btrfs: compression: drop kmap/kunmap from generic helpers"
- Some bots have informed me that some of the ftrace functions kernel-doc
has formatting issues.
- Also, fix my snake instinct.
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Merge tag 'trace-v5.15-rc6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing comment fixes from Steven Rostedt:
- Some bots have informed me that some of the ftrace functions
kernel-doc has formatting issues.
- Also, fix my snake instinct.
* tag 'trace-v5.15-rc6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix misspelling of "missing"
ftrace: Fix kernel-doc formatting issues
This patch adds a new function f2fs_dquot_initialize() to wrap
dquot_initialize(), and it supports to inject fault into
f2fs_dquot_initialize() to simulate inner failure occurs in
dquot_initialize().
Usage:
a) echo 65536 > /sys/fs/f2fs/<dev>/inject_type or
b) mount -o fault_type=65536 <dev> <mountpoint>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
As Pavel Machek reported in [1]
This code looks quite confused: part of function returns 1 on
corruption, part returns -errno. The problem is not stable-specific.
[1] https://lkml.org/lkml/2021/9/19/207
Let's fix to make 'insane cp_payload case' to return 1 rater than
EFSCORRUPTED, so that return value can be kept consistent for all
error cases, it can avoid confusion of code logic.
Fixes: 65ddf65648 ("f2fs: fix to do sanity check for sb/cp fields correctly")
Reported-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
The _reset_hw_base method switched from port reset (CTRL[26]) to device
reset (CTRL[29]) since the FW was receiving an interrupt on CTRL[29].
FW code was later modified to also receive an interrupt on CTRL[26].
Since certain HW values are not reset to default by CTRL[29], we go back
to CTRL[26] for the HW reset, as it meets all current requirements.
This reverts commit bb4265ec24 ("igc: Update the MAC reset flow").
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Pull crypto fix from Herbert Xu:
"Fix a build-time warning in x86/sm4"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: x86/sm4 - Fix invalid section entry size
Add a new implementation for mmap by using the new mmap entry API. This
makes way for further use of the dynamic mmap allocator in this driver.
Link: https://lore.kernel.org/r/20211028105640.1056-1-liangwenpeng@huawei.com
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Merge misc fixes from Andrew Morton:
"11 patches.
Subsystems affected by this patch series: mm (memcg, memory-failure,
oom-kill, secretmem, vmalloc, hugetlb, damon, and tools), and ocfs2"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
tools/testing/selftests/vm/split_huge_page_test.c: fix application of sizeof to pointer
mm/damon/core-test: fix wrong expectations for 'damon_split_regions_of()'
mm: khugepaged: skip huge page collapse for special files
mm, thp: bail out early in collapse_file for writeback page
mm/vmalloc: fix numa spreading for large hash tables
mm/secretmem: avoid letting secretmem_users drop to zero
ocfs2: fix race between searching chunks and release journal_head from buffer_head
mm/oom_kill.c: prevent a race between process_mrelease and exit_mmap
mm: filemap: check if THP has hwpoisoned subpage for PMD page fault
mm: hwpoison: remove the unnecessary THP check
memcg: page_alloc: skip bulk allocator for __GFP_ACCOUNT
Add new device ID for the next step of the silicon and
reflect the I226_LMVP part.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
i225 devices only have copper phy media type. There is no point in
checking phy media type during the phy initialization. This patch cleans
up a pointless check.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The variable ret_val is being initialized with a value that is never
read, it is being updated later on. The assignment is redundant and
can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The driver tried to use Linux' native software I2C bus master
(i2c-algo-bits) for exporting the I2C interface that talks to the SFP
cage(s) towards userspace. As-is, however, the physical SCL/SDA pins
were not moving at all, staying at logical 1 all the time.
The main culprit was the I2CPARAMS register where igb was not setting
the I2CBB_EN bit. That meant that all the careful signal bit-banging was
actually not being propagated to the chip pads (I verified this with a
scope).
The bit-banging was not correct either, because I2C is supposed to be an
open-collector bus, and the code was driving both lines via a totem
pole. The code was also trying to do operations which did not make any
sense with the i2c-algo-bits, namely manipulating both SDA and SCL from
igb_set_i2c_data (which is only supposed to set SDA). I'm not sure if
that was meant as an optimization, or was just flat out wrong, but given
that the i2c-algo-bits is set up to work with a totally dumb GPIO-ish
implementation underneath, there's no need for this code to be smart.
The open-drain vs. totem-pole is fixed by the usual trick where the
logical zero is implemented via regular output mode and outputting a
logical 0, and the logical high is implemented via the IO pad configured
as an input (thus floating), and letting the mandatory pull-up resistors
do the rest. Anything else is actually wrong on I2C where all devices
are supposed to have open-drain connection to the bus.
The missing I2CBB_EN is set (along with a safe initial value of the
GPIOs) just before registering this software I2C bus.
The chip datasheet mentions HW-implemented I2C transactions (SFP EEPROM
reads and writes) as well, but I'm not touching these for simplicity.
Tested on a LR-Link LRES2203PF-2SFP (which is an almost-miniPCIe form
factor card, a cable, and a module with two SFP cages). There was one
casualty, an old broken SFP we had laying around, which was used to
solder some thin wires as a DIY I2C breakout. Thanks for your service.
With this patch in place, I can `i2cdump -y 3 0x51 c` and read back data
which make sense. Yay.
Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz>
See-also: https://www.spinics.net/lists/netdev/msg490554.html
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fix the following coccicheck warning:
./drivers/net/ethernet/intel/i40e/i40e_xsk.c:229:35-40: WARNING:
conversion to bool not needed here
./drivers/net/ethernet/intel/ice/ice_xsk.c:399:35-40: WARNING:
conversion to bool not needed here
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Tested-by: Tony Brelinski <tony.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fourth set of patches for v5.16. Mostly fixes this time, wcn36xx and
iwlwifi have some new features but nothing really out of ordinary. We
have one conflict with kspp tree.
Conflicts:
kspp tree has a conflict in drivers/net/wireless/intel/iwlwifi/fw/api/tx.h:
https://lkml.kernel.org/r/20211028192934.01520d7e@canb.auug.org.au
Major changes:
ath11k
* fix QCA6390 A-MSDU handling (CVE-2020-24588)
wcn36xx
* enable hardware scan offload for 5Ghz band
* add missing 5GHz channels 136 and 144
iwlwifi
* support a new ACPI table revision
* improvements in the device selection code
* new hardware support
* support for WiFi 6E enablement via BIOS
* support firmware API version 67
* support for 160MHz in ranging measurements
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Merge tag 'wireless-drivers-next-2021-10-29' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.16
Fourth set of patches for v5.16. Mostly fixes this time, wcn36xx and
iwlwifi have some new features but nothing really out of ordinary.
We have one conflict with kspp tree.
Major changes:
ath11k
* fix QCA6390 A-MSDU handling (CVE-2020-24588)
wcn36xx
* enable hardware scan offload for 5Ghz band
* add missing 5GHz channels 136 and 144
iwlwifi
* support a new ACPI table revision
* improvements in the device selection code
* new hardware support
* support for WiFi 6E enablement via BIOS
* support firmware API version 67
* support for 160MHz in ranging measurements
====================
Link: https://lore.kernel.org/r/20211029134707.DE2B0C4360D@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Nathan reported that because KASAN_SHADOW_OFFSET was not defined in
Kconfig, it prevents asan-stack from getting disabled with clang even
when CONFIG_KASAN_STACK is disabled: fix this by defining the
corresponding config.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Fixes: 8ad8b72721 ("riscv: Add KASAN support")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
When calling this function, all the shadow memory is already populated
with kasan_early_shadow_pte which has PAGE_KERNEL protection.
kasan_populate_early_shadow write-protects the mapping of the range
of addresses passed in argument in zero_pte_populate, which actually
write-protects all the shadow memory mapping since kasan_early_shadow_pte
is used for all the shadow memory at this point. And then when using
memblock API to populate the shadow memory, the first write access to the
kernel stack triggers a trap. This becomes visible with the next commit
that contains a fix for asan-stack.
We already manually populate all the shadow memory in kasan_early_init
and we write-protect kasan_early_shadow_pte at the end of kasan_init
which makes the calls to kasan_populate_early_shadow superfluous so
we can remove them.
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Fixes: e178d670f2 ("riscv/kasan: add KASAN_VMALLOC support")
Fixes: 8ad8b72721 ("riscv: Add KASAN support")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
We can use GPI DMA for devices where it is enabled by firmware. Add
support for this mode
Signed-off-by: Vinod Koul <vkoul@kernel.org>
--
-Changes since v4:
- Fix the kbuild bot warning
-Changes since v3:
- Drop merged spi core, geni patches
- Remove global structs and use local variables instead
- modularize code more as suggested by Doug
- fix kbuild bot warning
drivers/spi/spi-geni-qcom.c | 254 +++++++++++++++++++++++++++++++++---
1 file changed, 239 insertions(+), 15 deletions(-)
Link: https://lore.kernel.org/r/20211020060954.1531783-1-vkoul@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
In case that there are other components assigned to runtime device,
depending on order dummy component can override their params with its
own, which shouldn't happen. Check if there are any other components
assigned to rtd and if so, skip setting hwparams.
Occurs when using topology where 'snd-soc-dummy' gets assigned by
default as codec and platform component.
Alternative approach would be to copy whole dummy handling and rename it
to "snd-soc-null" or something similar. And remove hwparams assignment
to make it really do nothing.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-7-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Topology needs device for prints and resource allocation. So far,
component->dev is used. However, this may lead to high memory use in
model where card is an independent driver which can be reloaded and
topology is loaded from component's probe() method. Every time machine
driver is reloaded topology is being loaded anew, each time allocating
new memory. Said memory will only be freed when component itself is
being freed.
Address the problem by tying topology to component->card->dev instead,
so memory occupied by the topology is freed whenever related machine
device gets removed.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-6-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
soc_tplg_add_dcontrol() passes device as argument which is later used to
print messages. Align it with all other prints in file to use tplg->dev.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-5-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add sanity checks to make sure the data is read within file boundary.
Helps in situations where file is only partially copied or malformed.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-4-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add sanity check to make sure the data is read within file boundary.
Helps in situations where file is only partially copied or malformed.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
If snd_soc_component_set_jack() is called after
snd_soc_component_remove() it may operate on memory which is freed in
->remove handler.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211015161257.27052-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
INFO: task iou-wrk-6609:6612 blocked for more than 143 seconds.
Not tainted 5.15.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:iou-wrk-6609 state:D stack:27944 pid: 6612 ppid: 6526 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0xb44/0x5960 kernel/sched/core.c:6287
schedule+0xd3/0x270 kernel/sched/core.c:6366
schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x176/0x280 kernel/sched/completion.c:138
io_worker_exit fs/io-wq.c:183 [inline]
io_wqe_worker+0x66d/0xc40 fs/io-wq.c:597
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
io-wq worker may submit a task_work to the master task and upon
io_worker_exit() wait for the tw to get executed. The problem appears
when the master task is waiting in coredump.c:
468 freezer_do_not_count();
469 wait_for_completion(&core_state->startup);
470 freezer_count();
Apparently having some dependency on children threads getting everything
stuck. Workaround it by cancelling the taks_work callback that causes it
before going into io_worker_exit() waiting.
p.s. probably a better option is to not submit tw elevating the refcount
in the first place, but let's leave this excercise for the future.
Cc: stable@vger.kernel.org
Reported-and-tested-by: syzbot+27d62ee6f256b186883e@syzkaller.appspotmail.com
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/142a716f4ed936feae868959059154362bfa8c19.1635509451.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The ring iteration is racy, which isn't necessarily a problem except it
can cause us to iterate the whole thing. That isn't desired or ideal,
and it can lead to excessive runtimes of reading fdinfo.
Cap the iteration at tail - head OR the ring size. While in there, clean
up the ring masking and just dump the raw values along with the masks.
That provides more useful debug info.
Fixes: 83f84356bc ("io_uring: add more uring info to fdinfo for debug")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Make sure to use pclose() to properly close the pipe opened by popen().
Fixes: 81f77fd0de ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID")
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20211026143409.42666-1-andrea.righi@canonical.com
TFA9897 has an internal 'rcv' switch so that it can manage both
loudspeaker and earpiece modes with the same physical speaker.
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Link: https://lore.kernel.org/r/20211024085840.1536438-3-vincent.knecht@mailoo.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Here are the USB-serial updates for 5.16-rc1, including:
- conversions of usb_control_msg() calls to use the new wrappers where
appropriate
- fix of the keyspan probe error handling after a low-order allocation
failure (e.g. due to fault injection)
- allow hung up ports to be runtime suspended
Included are also some related clean ups.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.16-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 5.16-rc1
Here are the USB-serial updates for 5.16-rc1, including:
- conversions of usb_control_msg() calls to use the new wrappers where
appropriate
- fix of the keyspan probe error handling after a low-order allocation
failure (e.g. due to fault injection)
- allow hung up ports to be runtime suspended
Included are also some related clean ups.
All have been in linux-next with no reported issues.
* tag 'usb-serial-5.16-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: keyspan: fix memleak on probe errors
USB: serial: cp210x: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: ch314: use usb_control_msg_recv()
USB: serial: kl5kusb105: drop line-status helper
USB: serial: kl5kusb105: simplify line-status handling
USB: serial: kl5kusb105: clean up line-status handling
USB: serial: kl5kusb105: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: keyspan_pda: use usb_control_msg_recv()
USB: serial: ftdi_sio: use usb_control_msg_recv()
USB: serial: f81232: use usb_control_msg_recv() and usb_control_msg_send()
USB: serial: allow hung up ports to be suspended
USB: serial: clean up core error labels
