devices.
- Fix DM verity target so that it cannot be switched to a different DM
target type (e.g. dm-linear) via DM table reload.
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Merge tag 'for-5.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM core's dm_table_supports_poll to return false if target has no
data devices.
- Fix DM verity target so that it cannot be switched to a different DM
target type (e.g. dm-linear) via DM table reload.
* tag 'for-5.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm verity: set DM_TARGET_IMMUTABLE feature flag
dm table: fix dm_table_supports_poll to return false if no data devices
Change the of_device_get_match_data() cast to (uintptr_t)
to silence the following clang warning:
drivers/rtc/rtc-mxc.c:315:19: warning: cast to smaller integer type 'enum imx_rtc_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
Reported-by: kernel test robot <lkp@intel.com>
Fixes: ba7aa63000 ("rtc: mxc: use of_device_get_match_data")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220526011459.1167197-1-festevam@gmail.com
power-supply core:
- init power_supply_info struct to zero
drivers:
- bq27xxx: expose data for uncalibrated battery
- bq24190-charger: use pm_runtime_resume_and_get
- ab8500_fg: allocate wq in probe
- axp288_fuel_gauge: drop BIOS version from "T3 MRD" quirk
- axp288_fuel_gauge: modify "T3 MRD" quirk to also fix "One Mix 1"
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Merge tag 'for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Not much from the power-supply subsystem this time around, since I was
busy most of the cycle. This also contains some fixes that I
originally planned to send for 5.18. Apart from this there is nothing
noteworthy.
Power-supply core:
- init power_supply_info struct to zero
Drivers:
- bq27xxx: expose data for uncalibrated battery
- bq24190-charger: use pm_runtime_resume_and_get
- ab8500_fg: allocate wq in probe
- axp288_fuel_gauge: drop BIOS version from 'T3 MRD' quirk
- axp288_fuel_gauge: modify 'T3 MRD' quirk to also fix 'One Mix 1'"
* tag 'for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: bq24190_charger: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
power: supply: bq27xxx: expose battery data when CI=1
power: supply: ab8500_fg: Allocate wq in probe
power: supply: axp288_fuel_gauge: Drop BIOS version check from "T3 MRD" DMI quirk
power: supply: axp288_fuel_gauge: Fix battery reporting on the One Mix 1
power: supply: core: Initialize struct to zero
- Improvements to mlx5 vfio-pci variant driver, including support
for parallel migration per PF (Yishai Hadas)
- Remove redundant iommu_present() check (Robin Murphy)
- Ongoing refactoring to consolidate the VFIO driver facing API
to use vfio_device (Jason Gunthorpe)
- Use drvdata to store vfio_device among all vfio-pci and variant
drivers (Jason Gunthorpe)
- Remove redundant code now that IOMMU core manages group DMA
ownership (Jason Gunthorpe)
- Remove vfio_group from external API handling struct file ownership
(Jason Gunthorpe)
- Correct typo in uapi comments (Thomas Huth)
- Fix coccicheck detected deadlock (Wan Jiabing)
- Use rwsem to remove races and simplify code around container and
kvm association to groups (Jason Gunthorpe)
- Harden access to devices in low power states and use runtime PM to
enable d3cold support for unused devices (Abhishek Sahu)
- Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)
- Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)
- Pass KVM pointer directly rather than via notifier (Matthew Rosato)
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Merge tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio
Pull vfio updates from Alex Williamson:
- Improvements to mlx5 vfio-pci variant driver, including support for
parallel migration per PF (Yishai Hadas)
- Remove redundant iommu_present() check (Robin Murphy)
- Ongoing refactoring to consolidate the VFIO driver facing API to use
vfio_device (Jason Gunthorpe)
- Use drvdata to store vfio_device among all vfio-pci and variant
drivers (Jason Gunthorpe)
- Remove redundant code now that IOMMU core manages group DMA ownership
(Jason Gunthorpe)
- Remove vfio_group from external API handling struct file ownership
(Jason Gunthorpe)
- Correct typo in uapi comments (Thomas Huth)
- Fix coccicheck detected deadlock (Wan Jiabing)
- Use rwsem to remove races and simplify code around container and kvm
association to groups (Jason Gunthorpe)
- Harden access to devices in low power states and use runtime PM to
enable d3cold support for unused devices (Abhishek Sahu)
- Fix dma_owner handling of fake IOMMU groups (Jason Gunthorpe)
- Set driver_managed_dma on vfio-pci variant drivers (Jason Gunthorpe)
- Pass KVM pointer directly rather than via notifier (Matthew Rosato)
* tag 'vfio-v5.19-rc1' of https://github.com/awilliam/linux-vfio: (38 commits)
vfio: remove VFIO_GROUP_NOTIFY_SET_KVM
vfio/pci: Add driver_managed_dma to the new vfio_pci drivers
vfio: Do not manipulate iommu dma_owner for fake iommu groups
vfio/pci: Move the unused device into low power state with runtime PM
vfio/pci: Virtualize PME related registers bits and initialize to zero
vfio/pci: Change the PF power state to D0 before enabling VFs
vfio/pci: Invalidate mmaps and block the access in D3hot power state
vfio: Change struct vfio_group::container_users to a non-atomic int
vfio: Simplify the life cycle of the group FD
vfio: Fully lock struct vfio_group::container
vfio: Split up vfio_group_get_device_fd()
vfio: Change struct vfio_group::opened from an atomic to bool
vfio: Add missing locking for struct vfio_group::kvm
kvm/vfio: Fix potential deadlock problem in vfio
include/uapi/linux/vfio.h: Fix trivial typo - _IORW should be _IOWR instead
vfio/pci: Use the struct file as the handle not the vfio_group
kvm/vfio: Remove vfio_group from kvm
vfio: Change vfio_group_set_kvm() to vfio_file_set_kvm()
vfio: Change vfio_external_check_extension() to vfio_file_enforced_coherent()
vfio: Remove vfio_external_group_match_file()
...
Commit 4bd69ecfa6 ("dt-bindings: i3c: Convert cdns,i3c-master to DT
schema") and commit 6742ca620b ("dt-bindings: i3c: Convert
snps,dw-i3c-master to DT schema") convert some i3c dt-bindings to yaml,
but miss to adjust its reference in MAINTAINERS.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about
broken references.
Repair these file references in I3C DRIVER FOR CADENCE I3C MASTER IP and
I3C DRIVER FOR SYNOPSYS DESIGNWARE.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220601074212.19984-1-lukas.bulwahn@gmail.com
- Leave compressed inodes unsupported in fscache mode for now;
- Avoid crash when using tracepoint cachefiles_prep_read;
- Fix `backmost' behavior due to a recent cleanup;
- Update documentation for better description of recent new features;
- Several decompression cleanups w/o logical change.
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Merge tag 'erofs-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull more erofs updates from Gao Xiang:
"This is a follow-up to the main updates, including some fixes of
fscache mode related to compressed inodes and a cachefiles tracepoint.
There is also a patch to fix an unexpected decompression strategy
change due to a cleanup in the past. All the fixes are quite small.
Apart from these, documentation is also updated for a better
description of recent new features.
In addition, this has some trivial cleanups without actual code logic
changes, so I could have a more recent codebase to work on folios and
avoiding the PG_error page flag for the next cycle.
Summary:
- Leave compressed inodes unsupported in fscache mode for now
- Avoid crash when using tracepoint cachefiles_prep_read
- Fix `backmost' behavior due to a recent cleanup
- Update documentation for better description of recent new features
- Several decompression cleanups w/o logical change"
* tag 'erofs-for-5.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix 'backmost' member of z_erofs_decompress_frontend
erofs: simplify z_erofs_pcluster_readmore()
erofs: get rid of label `restart_now'
erofs: get rid of `struct z_erofs_collection'
erofs: update documentation
erofs: fix crash when enable tracepoint cachefiles_prep_read
erofs: leave compressed inodes unsupported in fscache mode for now
In AFS, a directory is handled as a file that the client downloads and
parses locally for the purposes of performing lookup and getdents
operations. The in-kernel afs filesystem has a number of functions that
do this.
A directory file is arranged as a series of 2K blocks divided into
32-byte slots, where a directory entry occupies one or more slots, plus
each block starts with one or more metadata blocks.
When parsing a block, if the last slots are occupied by a dirent that
occupies more than a single slot and the file position points at a slot
that's not the initial one, the logic in afs_dir_iterate_block() that
skips over it won't advance the file pointer to the end of it. This
will cause an infinite loop in getdents() as it will keep retrying that
block and failing to advance beyond the final entry.
Fix this by advancing the file pointer if the next entry will be beyond
it when we skip a block.
This was found by the generic/676 xfstest but can also be triggered with
something like:
~/xfstests-dev/src/t_readdir_3 /xfstest.test/z 4000 1
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: http://lore.kernel.org/r/165391973497.110268.2939296942213894166.stgit@warthog.procyon.org.uk/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Quite a large number of conversions this time around, courtesy of Uwe
who has been working tirelessly on these. No drivers of the legacy API
are left at this point, so as a next step the old API can be removed.
Support is added for a few new devices such as the Xilinx AXI timer-
based PWMs and the PWM IP found on Sunplus SoCs.
Other than that, there's a number of fixes, cleanups and optimizations.
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Merge tag 'pwm/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Quite a large number of conversions this time around, courtesy of Uwe
who has been working tirelessly on these. No drivers of the legacy API
are left at this point, so as a next step the old API can be removed.
Support is added for a few new devices such as the Xilinx AXI timer-
based PWMs and the PWM IP found on Sunplus SoCs.
Other than that, there's a number of fixes, cleanups and optimizations"
* tag 'pwm/for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (43 commits)
pwm: pwm-cros-ec: Add channel type support
dt-bindings: google,cros-ec-pwm: Add the new -type compatible
dt-bindings: Add mfd/cros_ec definitions
pwm: Document that the pinstate of a disabled PWM isn't reliable
pwm: twl-led: Implement .apply() callback
pwm: lpc18xx: Implement .apply() callback
pwm: mediatek: Implement .apply() callback
pwm: lpc32xx: Implement .apply() callback
pwm: tegra: Implement .apply() callback
pwm: stmpe: Implement .apply() callback
pwm: sti: Implement .apply() callback
pwm: pwm-mediatek: Add support for MediaTek Helio X10 MT6795
dt-bindings: pwm: pwm-mediatek: Add documentation for MT6795 SoC
pwm: tegra: Optimize period calculation
pwm: renesas-tpu: Improve precision of period and duty_cycle calculation
pwm: renesas-tpu: Improve maths to compute register settings
pwm: renesas-tpu: Rename variables to match the usual naming
pwm: renesas-tpu: Implement .apply() callback
pwm: renesas-tpu: Make use of devm functions
pwm: renesas-tpu: Make use of dev_err_probe()
...
This corrects the check for irq_of_parse_and_map() failures in the
Qualcomm SMD driver and fixes unregistration and a couple of double free
in the virtio rpmsg driver.
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Merge tag 'rpmsg-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
"This corrects the check for irq_of_parse_and_map() failures in the
Qualcomm SMD driver and fixes unregistration and a couple of double
free in the virtio rpmsg driver"
* tag 'rpmsg-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: qcom_smd: Fix returning 0 if irq_of_parse_and_map() fails
rpmsg: virtio: Fix the unregistration of the device rpmsg_ctrl
rpmsg: virtio: Fix possible double free in rpmsg_virtio_add_ctrl_dev()
rpmsg: virtio: Fix possible double free in rpmsg_probe()
rpmsg: qcom_smd: Fix irq_of_parse_and_map() return value
This fixes a race condition in the user space interface for starting and
stopping remote processors, it makes the ELF loader properly skip zero
memsz segments and it cleans up the debugfs tracefile code a bit by not
checking for errors.
It introduces support for controlling the audio DSP on Qualcomm MSM8226,
as well as audio and compute DSPs on Qualcomm SC8280XP.
It makes it possible to specify the firmware path for Mediatek's remote
processors, fixes a double free in the SCP driver and addresses an issue
with the SRAM initialization on MT8195.
Lastly it deprecates the custom ELF loader in the iMX remoteproc driver,
in favor of using the shared one.
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Merge tag 'rproc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
"This fixes a race condition in the user space interface for starting
and stopping remote processors, it makes the ELF loader properly skip
zero memsz segments and it cleans up the debugfs tracefile code a bit
by not checking for errors.
It introduces support for controlling the audio DSP on Qualcomm
MSM8226, as well as audio and compute DSPs on Qualcomm SC8280XP.
It makes it possible to specify the firmware path for Mediatek's
remote processors, fixes a double free in the SCP driver and addresses
an issue with the SRAM initialization on MT8195.
Lastly it deprecates the custom ELF loader in the iMX remoteproc
driver, in favor of using the shared one"
* tag 'rproc-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (21 commits)
dt-bindings: remoteproc: mediatek: Add optional memory-region to mtk,scp
dt-bindings: remoteproc: mediatek: Make l1tcm reg exclusive to mt819x
dt-bindings: remoteproc: st,stm32-rproc: Fix phandle-array parameters description
remoteproc: imx_rproc: Support i.MX93
dt-bindings: remoteproc: imx_rproc: Support i.MX93
remoteproc: qcom: pas: Add MSM8226 ADSP support
dt-bindings: remoteproc: qcom: pas: Add MSM8226 adsp
remoteproc: mediatek: Allow reading firmware-name from DT
dt-bindings: remoteproc: mediatek: Add firmware-name property
remoteproc: qcom: pas: Add sc8280xp remoteprocs
dt-bindings: remoteproc: qcom: pas: Add sc8280xp adsp and nsp pair
dt-bindings: remoteproc: mediatek: Add interrupts property to mtk,scp
remoteproc: imx_rproc: Ignore create mem entry for resource table
remoteproc: core: Move state checking to remoteproc_core
remoteproc: core: Remove state checking before calling rproc_boot()
remoteproc: imx_dsp_rproc: Make rsc_table optional
remoteproc: imx_dsp_rproc: use common rproc_elf_load_segments
remoteproc: elf_loader: skip segment with memsz as zero
remoteproc: mtk_scp: Fix a potential double free
remoteproc: Don't bother checking the return value of debugfs_create*
...
A couple of fixes that came in during the merge window, a driver
fix for spurious timeouts in the fsi driver and an improvement to
make the core display error messages for transfer_one_message()
to help people debug things.
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Merge tag 'spi-fix-v5.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of fixes that came in during the merge window: a driver fix
for spurious timeouts in the fsi driver and an improvement to make the
core display error messages for transfer_one_message() to help people
debug things"
* tag 'spi-fix-v5.19-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: core: Display return code when failing to transfer message
spi: fsi: Fix spurious timeout
Pull pcmcia updates from Dominik Brodowski:
"A few odd cleanups and fixes, including a Kconfig fix to add a
required dependency on MIPS"
* 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
pcmcia: Use platform_get_irq() to get the interrupt
pcmcia: db1xxx_ss: restrict to MIPS_DB1XXX boards
drivers/pcmcia: Fix typo in comment
Use kfree_rcu(ptr, rcu) variant instead as described by ae089831ff
("netfilter: nf_tables: prefer kfree_rcu(ptr, rcu) variant").
Fixes: f9a43007d3 ("netfilter: nf_tables: double hook unregistration in netns path")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
When no l3 address is given, priv->family is set to NFPROTO_INET and
the evaluation function isn't called.
Call it too so l4-only rewrite can work.
Also add a test case for this.
Fixes: a33f387ecd ("netfilter: nft_nat: allow to specify layer 4 protocol NAT only")
Reported-by: Yi Chen <yiche@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The tcf_ct_flow_table_fill_tuple_ipv6() function is supposed to return
false on failure. It should not return negatives because that means
succes/true.
Fixes: fcb6aa8653 ("act_ct: Support GRE offload")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Link: https://lore.kernel.org/r/YpYFnbDxFl6tQ3Bn@kili
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When passing interface parameter to ping -6:
$ ping -6 ::11:141:84:9 -I eth2
Results in:
PING ::11:141:84:10(::11:141:84:10) from ::11:141:84:9 eth2: 56 data bytes
ping: sendmsg: Invalid argument
ping: sendmsg: Invalid argument
Initialize the fl6's outgoing interface (OIF) before triggering
ip6_datagram_send_ctl. Don't wipe fl6 after ip6_datagram_send_ctl() as
changes in fl6 that may happen in the function are overwritten explicitly.
Update comment accordingly.
Fixes: 13651224c0 ("net: ping6: support setting basic SOL_IPV6 options via cmsg")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220531084544.15126-1-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Create a new macsec device but not get reference to real_dev. That can
not ensure that real_dev is freed after macsec. That will trigger the
UAF bug for real_dev as following:
==================================================================
BUG: KASAN: use-after-free in macsec_get_iflink+0x5f/0x70 drivers/net/macsec.c:3662
Call Trace:
...
macsec_get_iflink+0x5f/0x70 drivers/net/macsec.c:3662
dev_get_iflink+0x73/0xe0 net/core/dev.c:637
default_operstate net/core/link_watch.c:42 [inline]
rfc2863_policy+0x233/0x2d0 net/core/link_watch.c:54
linkwatch_do_dev+0x2a/0x150 net/core/link_watch.c:161
Allocated by task 22209:
...
alloc_netdev_mqs+0x98/0x1100 net/core/dev.c:10549
rtnl_create_link+0x9d7/0xc00 net/core/rtnetlink.c:3235
veth_newlink+0x20e/0xa90 drivers/net/veth.c:1748
Freed by task 8:
...
kfree+0xd6/0x4d0 mm/slub.c:4552
kvfree+0x42/0x50 mm/util.c:615
device_release+0x9f/0x240 drivers/base/core.c:2229
kobject_cleanup lib/kobject.c:673 [inline]
kobject_release lib/kobject.c:704 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1c8/0x540 lib/kobject.c:721
netdev_run_todo+0x72e/0x10b0 net/core/dev.c:10327
After commit faab39f63c ("net: allow out-of-order netdev unregistration")
and commit e5f80fcf86 ("ipv6: give an IPv6 dev to blackhole_netdev"), we
can add dev_hold_track() in macsec_dev_init() and dev_put_track() in
macsec_free_netdev() to fix the problem.
Fixes: 2bce1ebed1 ("macsec: fix refcnt leak in module exit routine")
Reported-by: syzbot+d0e94b65ac259c29ce7a@syzkaller.appspotmail.com
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Link: https://lore.kernel.org/r/20220531074500.1272846-1-william.xuanziyang@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The is_valid_offset() function returns success/true if the call to
validate_and_get_cpt_blkaddr() fails.
Fixes: ecad2ce8c4 ("octeontx2-af: cn10k: Add mailbox to configure reassembly timeout")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YpXDrTPb8qV01JSP@kili
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In ieee80211_vif_use_reserved_context(), when we have an
old context and the new context's replace_state is set to
IEEE80211_CHANCTX_REPLACE_NONE, we free the old context
in ieee80211_vif_use_reserved_reassign(). Therefore, we
cannot check the old_ctx anymore, so we should set it to
NULL after this point.
However, since the new_ctx replace state is clearly not
IEEE80211_CHANCTX_REPLACES_OTHER, we're not going to do
anything else in this function and can just return to
avoid accessing the freed old_ctx.
Cc: stable@vger.kernel.org
Fixes: 5bcae31d9c ("mac80211: implement multi-vif in-place reservations")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220601091926.df419d91b165.I17a9b3894ff0b8323ce2afdb153b101124c821e5@changeid
Guard ns_targets in struct bond_params by CONFIG_IPV6, which could save
256 bytes if IPv6 not configed. Also add this protection for function
bond_is_ip6_target_ok() and bond_get_targets_ip6().
Remove the IS_ENABLED() check for bond_opts[] as this will make
BOND_OPT_NS_TARGETS uninitialized if CONFIG_IPV6 not enabled. Add
a dummy bond_option_ns_ip6_targets_set() for this situation.
Fixes: 4e24be018e ("bonding: add new parameter ns_targets")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Link: https://lore.kernel.org/r/20220531063727.224043-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Laurent reported the enclosed report [1]
This bug triggers with following coditions:
0) Kernel built with CONFIG_DEBUG_PREEMPT=y
1) A new passive FastOpen TCP socket is created.
This FO socket waits for an ACK coming from client to be a complete
ESTABLISHED one.
2) A socket operation on this socket goes through lock_sock()
release_sock() dance.
3) While the socket is owned by the user in step 2),
a retransmit of the SYN is received and stored in socket backlog.
4) At release_sock() time, the socket backlog is processed while
in process context.
5) A SYNACK packet is cooked in response of the SYN retransmit.
6) -> tcp_rtx_synack() is called in process context.
Before blamed commit, tcp_rtx_synack() was always called from BH handler,
from a timer handler.
Fix this by using TCP_INC_STATS() & NET_INC_STATS()
which do not assume caller is in non preemptible context.
[1]
BUG: using __this_cpu_add() in preemptible [00000000] code: epollpep/2180
caller is tcp_rtx_synack.part.0+0x36/0xc0
CPU: 10 PID: 2180 Comm: epollpep Tainted: G OE 5.16.0-0.bpo.4-amd64 #1 Debian 5.16.12-1~bpo11+1
Hardware name: Supermicro SYS-5039MC-H8TRF/X11SCD-F, BIOS 1.7 11/23/2021
Call Trace:
<TASK>
dump_stack_lvl+0x48/0x5e
check_preemption_disabled+0xde/0xe0
tcp_rtx_synack.part.0+0x36/0xc0
tcp_rtx_synack+0x8d/0xa0
? kmem_cache_alloc+0x2e0/0x3e0
? apparmor_file_alloc_security+0x3b/0x1f0
inet_rtx_syn_ack+0x16/0x30
tcp_check_req+0x367/0x610
tcp_rcv_state_process+0x91/0xf60
? get_nohz_timer_target+0x18/0x1a0
? lock_timer_base+0x61/0x80
? preempt_count_add+0x68/0xa0
tcp_v4_do_rcv+0xbd/0x270
__release_sock+0x6d/0xb0
release_sock+0x2b/0x90
sock_setsockopt+0x138/0x1140
? __sys_getsockname+0x7e/0xc0
? aa_sk_perm+0x3e/0x1a0
__sys_setsockopt+0x198/0x1e0
__x64_sys_setsockopt+0x21/0x30
do_syscall_64+0x38/0xc0
entry_SYSCALL_64_after_hwframe+0x44/0xae
Fixes: 168a8f5805 ("tcp: TCP Fast Open Server - main code path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Laurent Fasnacht <laurent.fasnacht@proton.ch>
Acked-by: Neal Cardwell <ncardwell@google.com>
Link: https://lore.kernel.org/r/20220530213713.601888-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Missing proper sanitization for nft_set_desc_concat_parse().
2) Missing mutex in nf_tables pre_exit path.
3) Possible double hook unregistration from clean_net path.
4) Missing FLOWI_FLAG_ANYSRC flag in flowtable route lookup.
Fix incorrect source and destination address in case of NAT.
Patch from wenxu.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: flowtable: fix nft_flow_route source address for nat case
netfilter: flowtable: fix missing FLOWI_FLAG_ANYSRC flag
netfilter: nf_tables: double hook unregistration in netns path
netfilter: nf_tables: hold mutex on netns pre_exit path
netfilter: nf_tables: sanitize nft_set_desc_concat_parse()
====================
Link: https://lore.kernel.org/r/20220531215839.84765-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In qdisc_run_end(), the spin_unlock() only has store-release semantic,
which guarantees all earlier memory access are visible before it. But
the subsequent test_bit() has no barrier semantics so may be reordered
ahead of the spin_unlock(). The store-load reordering may cause a packet
stuck problem.
The concurrent operations can be described as below,
CPU 0 | CPU 1
qdisc_run_end() | qdisc_run_begin()
. | .
----> /* may be reorderd here */ | .
| . | .
| spin_unlock() | set_bit()
| . | smp_mb__after_atomic()
---- test_bit() | spin_trylock()
. | .
Consider the following sequence of events:
CPU 0 reorder test_bit() ahead and see MISSED = 0
CPU 1 calls set_bit()
CPU 1 calls spin_trylock() and return fail
CPU 0 executes spin_unlock()
At the end of the sequence, CPU 0 calls spin_unlock() and does nothing
because it see MISSED = 0. The skb on CPU 1 has beed enqueued but no one
take it, until the next cpu pushing to the qdisc (if ever ...) will
notice and dequeue it.
This patch fix this by adding one explicit barrier. As spin_unlock() and
test_bit() ordering is a store-load ordering, a full memory barrier
smp_mb() is needed here.
Fixes: a90c57f2ce ("net: sched: fix packet stuck problem for lockless qdisc")
Signed-off-by: Guoju Fang <gjfang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220528101628.120193-1-gjfang@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- New Features:
- Add support for 'dacl' and 'sacl' attributes
- Bugfixes and Cleanups:
- Fixes for reporting mapping errors
- Fixes for memory allocation errors
- Improve warning message when locks are lost
- Update documentation for the nfs4_unique_id parameter
- Add an explanation of NFSv4 client identifiers
- Ensure the i_size attribute is written to the fscache storage
- Fix freeing uninitialized nfs4_labels
- Better handling when xprtrdma bc_serv is NULL
- Marke qualified async operations as MOVEABLE tasks
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Merge tag 'nfs-for-5.19-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"New Features:
- Add support for 'dacl' and 'sacl' attributes
Bugfixes and Cleanups:
- Fixes for reporting mapping errors
- Fixes for memory allocation errors
- Improve warning message when locks are lost
- Update documentation for the nfs4_unique_id parameter
- Add an explanation of NFSv4 client identifiers
- Ensure the i_size attribute is written to the fscache storage
- Fix freeing uninitialized nfs4_labels
- Better handling when xprtrdma bc_serv is NULL
- Mark qualified async operations as MOVEABLE tasks"
* tag 'nfs-for-5.19-1' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4.1 mark qualified async operations as MOVEABLE tasks
xprtrdma: treat all calls not a bcall when bc_serv is NULL
NFSv4: Fix free of uninitialized nfs4_label on referral lookup.
NFS: Pass i_size to fscache_unuse_cookie() when a file is released
Documentation: Add an explanation of NFSv4 client identifiers
NFS: update documentation for the nfs4_unique_id parameter
NFS: Improve warning message when locks are lost.
NFSv4.1: Enable access to the NFSv4.1 'dacl' and 'sacl' attributes
NFSv4: Add encoders/decoders for the NFSv4.1 dacl and sacl attributes
NFSv4: Specify the type of ACL to cache
NFSv4: Don't hold the layoutget locks across multiple RPC calls
pNFS/files: Fall back to I/O through the MDS on non-fatal layout errors
NFS: Further fixes to the writeback error handling
NFSv4/pNFS: Do not fail I/O when we fail to allocate the pNFS layout
NFS: Memory allocation failures are not server fatal errors
NFS: Don't report errors from nfs_pageio_complete() more than once
NFS: Do not report flush errors in nfs_write_end()
NFS: Don't report ENOSPC write errors twice
NFS: fsync() should report filesystem errors over EINTR/ERESTARTSYS
NFS: Do not report EINTR/ERESTARTSYS as mapping errors
In this round, we've refactored the existing atomic write support implemented
by in-memory operations to have storing data in disk temporarily, which can give
us a benefit to accept more atomic writes. At the same time, we removed the
existing volatile write support. We've also revisited the file pinning and GC
flows and found some corner cases which contributeed abnormal system behaviours.
As usual, there're several minor code refactoring for readability, sanity check,
and clean ups.
Enhancement
- allow compression for mmap files in compress_mode=user
- kill volatile write support
- change the current atomic write way
- give priority to select unpinned section for foreground GC
- introduce data read/write showing path info
- remove unnecessary f2fs_lock_op in f2fs_new_inode
Bug fix
- fix the file pinning flow during checkpoint=disable and GCs
- fix foreground and background GCs to select the right victims and get free
sections on time
- fix GC flags on defragmenting pages
- avoid an infinite loop to flush node pages
- fix fallocate to use file_modified to update permissions consistently
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Merge tag 'f2fs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've refactored the existing atomic write support
implemented by in-memory operations to have storing data in disk
temporarily, which can give us a benefit to accept more atomic writes.
At the same time, we removed the existing volatile write support.
We've also revisited the file pinning and GC flows and found some
corner cases which contributeed abnormal system behaviours.
As usual, there're several minor code refactoring for readability,
sanity check, and clean ups.
Enhancements:
- allow compression for mmap files in compress_mode=user
- kill volatile write support
- change the current atomic write way
- give priority to select unpinned section for foreground GC
- introduce data read/write showing path info
- remove unnecessary f2fs_lock_op in f2fs_new_inode
Bug fixes:
- fix the file pinning flow during checkpoint=disable and GCs
- fix foreground and background GCs to select the right victims and
get free sections on time
- fix GC flags on defragmenting pages
- avoid an infinite loop to flush node pages
- fix fallocate to use file_modified to update permissions
consistently"
* tag 'f2fs-for-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (40 commits)
f2fs: fix to tag gcing flag on page during file defragment
f2fs: replace F2FS_I(inode) and sbi by the local variable
f2fs: add f2fs_init_write_merge_io function
f2fs: avoid unneeded error handling for revoke_entry_slab allocation
f2fs: allow compression for mmap files in compress_mode=user
f2fs: fix typo in comment
f2fs: make f2fs_read_inline_data() more readable
f2fs: fix to do sanity check for inline inode
f2fs: fix fallocate to use file_modified to update permissions consistently
f2fs: don't use casefolded comparison for "." and ".."
f2fs: do not stop GC when requiring a free section
f2fs: keep wait_ms if EAGAIN happens
f2fs: introduce f2fs_gc_control to consolidate f2fs_gc parameters
f2fs: reject test_dummy_encryption when !CONFIG_FS_ENCRYPTION
f2fs: kill volatile write support
f2fs: change the current atomic write way
f2fs: don't need inode lock for system hidden quota
f2fs: stop allocating pinned sections if EAGAIN happens
f2fs: skip GC if possible when checkpoint disabling
f2fs: give priority to select unpinned section for foreground GC
...
LPG. Apparently it drives backlight on some boards, so it is quite
important for some people.
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Merge tag 'leds-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Most significant here is the driver for Qualcomm LPG. Apparently it
drives backlight on some boards, so it is quite important for some
people"
* tag 'leds-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: qcom-lpg: Require pattern to follow documentation
leds: lp50xx: Remove duplicated error reporting in .remove()
leds: qcom-lpg: add missing PWM dependency
leds: ktd2692: Make aux-gpios optional
dt-bindings: leds: convert ktd2692 bindings to yaml
leds: ktd2692: Avoid duplicate error messages on probe deferral
leds: is31fl32xx: Improve error reporting in .remove()
leds: Move pwm-multicolor driver into rgb directory
leds: Add PWM multicolor driver
dt-bindings: leds: Add multicolor PWM LED bindings
dt-bindings: leds: Optional multi-led unit address
leds: regulator: Make probeable from device tree
leds: regulator: Add dev helper variable
dt-bindings: leds: Add regulator-led binding
leds: pca9532: Make pca9532_destroy_devices() return void
leds: Add pm8350c support to Qualcomm LPG driver
dt-bindings: leds: Add pm8350c pmic support
leds: Add driver for Qualcomm LPG
dt-bindings: leds: Add Qualcomm Light Pulse Generator binding
I2C has only driver updates for 5.19. Bigger changes are for Meson,
NPCM, and R-Car, but there are also changes all over the place.
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Merge tag 'i2c-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Only driver updates for 5.19.
Bigger changes are for Meson, NPCM, and R-Car, but there are also
changes all over the place"
* tag 'i2c-for-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (34 commits)
i2c: meson: fix typo in comment
i2c: rcar: use flags instead of atomic_xfer
i2c: rcar: REP_AFTER_RD is not a persistent flag
i2c: rcar: use BIT macro consistently
i2c: qcom-geni: remove unnecessary conditions
i2c: mt7621: Use devm_platform_get_and_ioremap_resource()
i2c: rcar: refactor handling of first message
i2c: rcar: avoid race condition with SMIs
i2c: xiic: Correct the datatype for rx_watermark
i2c: rcar: fix PM ref counts in probe error paths
i2c: npcm: Handle spurious interrupts
i2c: npcm: Correct register access width
i2c: npcm: Add tx complete counter
i2c: npcm: Fix timeout calculation
i2c: npcm: Remove unused variable clk_regmap
i2c: npcm: Change the way of getting GCR regmap
i2c: xiic: Fix Tx Interrupt path for grouped messages
i2c: xiic: Fix coding style issues
i2c: xiic: return value of xiic_reinit
i2c: cadence: Increase timeout per message if necessary
...
For snat and dnat cases, the saddr should be taken from reverse tuple.
Fixes: 3412e16418 (netfilter: flowtable: nft_flow_route use more data for reverse route)
Signed-off-by: wenxu <wenxu@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The nf_flow_table gets route through ip_route_output_key. If the saddr
is not local one, then FLOWI_FLAG_ANYSRC flag should be set. Without
this flag, the route lookup for other_dst will fail.
Fixes: 3412e16418 (netfilter: flowtable: nft_flow_route use more data for reverse route)
Signed-off-by: wenxu <wenxu@chinatelecom.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
__nft_release_hooks() is called from pre_netns exit path which
unregisters the hooks, then the NETDEV_UNREGISTER event is triggered
which unregisters the hooks again.
[ 565.221461] WARNING: CPU: 18 PID: 193 at net/netfilter/core.c:495 __nf_unregister_net_hook+0x247/0x270
[...]
[ 565.246890] CPU: 18 PID: 193 Comm: kworker/u64:1 Tainted: G E 5.18.0-rc7+ #27
[ 565.253682] Workqueue: netns cleanup_net
[ 565.257059] RIP: 0010:__nf_unregister_net_hook+0x247/0x270
[...]
[ 565.297120] Call Trace:
[ 565.300900] <TASK>
[ 565.304683] nf_tables_flowtable_event+0x16a/0x220 [nf_tables]
[ 565.308518] raw_notifier_call_chain+0x63/0x80
[ 565.312386] unregister_netdevice_many+0x54f/0xb50
Unregister and destroy netdev hook from netns pre_exit via kfree_rcu
so the NETDEV_UNREGISTER path see unregistered hooks.
Fixes: 767d1216bf ("netfilter: nftables: fix possible UAF over chains from packet path in netns")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
clean_net() runs in workqueue while walking over the lists, grab mutex.
Fixes: 767d1216bf ("netfilter: nftables: fix possible UAF over chains from packet path in netns")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Add several sanity checks for nft_set_desc_concat_parse():
- validate desc->field_count not larger than desc->field_len array.
- field length cannot be larger than desc->field_len (ie. U8_MAX)
- total length of the concatenation cannot be larger than register array.
Joint work with Florian Westphal.
Fixes: f3a2181e16 ("netfilter: nf_tables: Support for sets with multiple ranged fields")
Reported-by: <zhangziming.zzm@antgroup.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* Support for the Svpbmt extension, which allows memory attributes to be
encoded in pages.
* Support for the Allwinner D1's implementation of page-based memory
attributes.
* Support for running rv32 binaries on rv64 systems, via the compat
subsystem.
* Support for kexec_file().
* Support for the new generic ticket-based spinlocks, which allows us to
also move to qrwlock. These should have already gone in through the
asm-geneic tree as well.
* A handful of cleanups and fixes, include some larger ones around
atomics and XIP.
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Merge tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the Svpbmt extension, which allows memory attributes to
be encoded in pages
- Support for the Allwinner D1's implementation of page-based memory
attributes
- Support for running rv32 binaries on rv64 systems, via the compat
subsystem
- Support for kexec_file()
- Support for the new generic ticket-based spinlocks, which allows us
to also move to qrwlock. These should have already gone in through
the asm-geneic tree as well
- A handful of cleanups and fixes, include some larger ones around
atomics and XIP
* tag 'riscv-for-linus-5.19-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add]
riscv: compat: Using seperated vdso_maps for compat_vdso_info
RISC-V: Fix the XIP build
RISC-V: Split out the XIP fixups into their own file
RISC-V: ignore xipImage
RISC-V: Avoid empty create_*_mapping definitions
riscv: Don't output a bogus mmu-type on a no MMU kernel
riscv: atomic: Add custom conditional atomic operation implementation
riscv: atomic: Optimize dec_if_positive functions
riscv: atomic: Cleanup unnecessary definition
RISC-V: Load purgatory in kexec_file
RISC-V: Add purgatory
RISC-V: Support for kexec_file on panic
RISC-V: Add kexec_file support
RISC-V: use memcpy for kexec_file mode
kexec_file: Fix kexec_file.c build error for riscv platform
riscv: compat: Add COMPAT Kbuild skeletal support
riscv: compat: ptrace: Add compat_arch_ptrace implement
riscv: compat: signal: Add rt_frame implementation
riscv: add memory-type errata for T-Head
...
Mark async operations such as RENAME, REMOVE, COMMIT MOVEABLE
for the nfsv4.1+ sessions.
Fixes: 85e39feead ("NFSv4.1 identify and mark RPC tasks that can move between transports")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Send along the already-allocated fattr along with nfs4_fs_locations, and
drop the memcpy of fattr. We end up growing two more allocations, but this
fixes up a crash as:
PID: 790 TASK: ffff88811b43c000 CPU: 0 COMMAND: "ls"
#0 [ffffc90000857920] panic at ffffffff81b9bfde
#1 [ffffc900008579c0] do_trap at ffffffff81023a9b
#2 [ffffc90000857a10] do_error_trap at ffffffff81023b78
#3 [ffffc90000857a58] exc_stack_segment at ffffffff81be1f45
#4 [ffffc90000857a80] asm_exc_stack_segment at ffffffff81c009de
#5 [ffffc90000857b08] nfs_lookup at ffffffffa0302322 [nfs]
#6 [ffffc90000857b70] __lookup_slow at ffffffff813a4a5f
#7 [ffffc90000857c60] walk_component at ffffffff813a86c4
#8 [ffffc90000857cb8] path_lookupat at ffffffff813a9553
#9 [ffffc90000857cf0] filename_lookup at ffffffff813ab86b
Suggested-by: Trond Myklebust <trondmy@hammerspace.com>
Fixes: 9558a007db ("NFS: Remove the label from the nfs4_lookup_res struct")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
In some use-cases, mlx5 instances will need to search for their peer
device (the other port on the same HCA). For that, mlx5 device matching
mechanism relied on auxiliary_find_device() to search, and used a bad matching
callback function.
This approach has two issues:
1) next_phys_dev() the matching function, assumed all devices are
of the type mlx5_adev (mlx5 auxiliary device) which is wrong and
could lead to crashes, this worked for a while, since only lately
other drivers started registering auxiliary devices.
2) using the auxiliary class bus (auxiliary_find_device) to search for
mlx5_core_dev devices, who are actually PCIe device instances, is wrong.
This works since mlx5_core always has at least one mlx5_adev instance
hanging around in the aux bus.
As suggested by others we can fix 1. by comparing device names prefixes
if they have the string "mlx5_core" in them, which is not a best practice !
but even with that fixed, still 2. needs fixing, we are trying to
match pcie device peers so we should look in the right bus (pci bus),
hence this fix.
The fix:
1) search the pci bus for mlx5 peer devices, instead of the aux bus
2) to validated devices are the same type "mlx5_core_dev" compare if
they have the same driver, which is bulletproof.
This wouldn't have worked with the aux bus since the various mlx5 aux
device types don't share the same driver, even if they share the same device
wrapper struct (mlx5_adev) "which helped to find the parent device"
Fixes: a925b5e309 ("net/mlx5: Register mlx5 devices to auxiliary virtual bus")
Reported-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reported-by: Maher Sanalla <msanalla@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maher Sanalla <msanalla@nvidia.com>
Some features (LRO, HW GRO) conflict with XDP. If there is an attempt to
enable such features while XDP is active, they will be set to `off
[requested on]`. In order to activate these features after XDP is turned
off, the driver needs to call netdev_update_features(). This commit adds
this missing call after XDP state changes.
Fixes: cf6e34c8c2 ("net/mlx5e: Properly block LRO when XDP is enabled")
Fixes: b0617e7b35 ("net/mlx5e: Properly block HW GRO when XDP is enabled")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
ECE field should be after opt_param_mask in query qp output.
Fixes: 6b646a7e4a ("net/mlx5: Add ability to read and write ECE options")
Signed-off-by: Changcheng Liu <jerrliu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When the driver activates the channels, it assumes NAPI isn't running
yet. mlx5e_activate_rq posts a NOP WQE to ICOSQ to trigger a hardware
interrupt and start NAPI, which will run mlx5e_alloc_rx_mpwqe and post
UMR WQEs to ICOSQ to be able to receive packets with striding RQ.
Unfortunately, a race condition is possible if NAPI is triggered by
something else (for example, TX) at a bad timing, before
mlx5e_activate_rq finishes. In this case, mlx5e_alloc_rx_mpwqe may post
UMR WQEs to ICOSQ, and with the bad timing, the wqe_info of the first
UMR may be overwritten by the wqe_info of the NOP posted by
mlx5e_activate_rq.
The consequence is that icosq->db.wqe_info[0].num_wqebbs will be changed
from MLX5E_UMR_WQEBBS to 1, disrupting the integrity of the array-based
linked list in wqe_info[]. mlx5e_poll_ico_cq will hang in an infinite
loop after processing wqe_info[0], because after the corruption, the
next item to be processed will be wqe_info[1], which is filled with
zeros, and `sqcc += wi->num_wqebbs` will never move further.
This commit fixes this race condition by using async_icosq to post the
NOP and trigger the interrupt. async_icosq is always protected with a
spinlock, eliminating the race condition.
Fixes: bc77b240b3 ("net/mlx5e: Add fragmented memory support for RX multi packet WQE")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reported-by: Karsten Nielsen <karsten@foo-bar.dk>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Tuple entries that don't have nat configured for them
which are added to the ct nat table will always create
a new modify header, as we don't check for possible
re-use on them. The same for tuples that have nat configured
for them but are added to ct table.
Fix the above by only avoiding wasteful re-use lookup
for actually natted entries in ct nat table.
Fixes: 7fac5c2ece ("net/mlx5: CT: Avoid reusing modify header context for natted entries")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The cited commit changed promisc table to be created on demand with the
highest priority in the NIC table replacing the vlan table, this caused
tc NIC tables miss flow to skip the prmoisc table because it use vlan
table as miss table.
OVS offload in NIC mode use promisc by default so any unicast packet
which will be handled by tc NIC tables miss flow will skip the promisc
rule and will be dropped.
Fix this by adding new empty table in new tc level with low priority and
point the nic tc chain miss to it, the new table is managed so it will
point to vlan table if promisc is disabled and to promisc table if enabled.
Fixes: 1c46d7409f ("net/mlx5e: Optimize promiscuous mode")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Ariel Levkovich <lariel@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The call to mlx5dr_action_destroy() releases "action" memory. That
pointer is set to miss_action later and generates the following smatch
error:
drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c:53 set_miss_action()
warn: 'action' was already freed.
Make sure that the pointer is always valid by setting NULL after destroy.
Fixes: 6a48faeeca ("net/mlx5: Add direct rule fs_cmd implementation")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The device-mapper framework provides a mechanism to mark targets as
immutable (and hence fail table reloads that try to change the target
type). Add the DM_TARGET_IMMUTABLE flag to the dm-verity target's
feature flags to prevent switching the verity target with a different
target type.
Fixes: a4ffc15219 ("dm: add verity target")
Cc: stable@vger.kernel.org
Signed-off-by: Sarthak Kukreti <sarthakkukreti@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
I will soon lose my @arm.com email address, so to prevent any possible
issue let's update all kernel references (inclusive of .mailmap) to my
@kernel.org alias ahead of time.
My @arm.com address is still working and will likely resume to work at some
point in the future; nonetheless, it is safer to switch to the @kernel.org
alias from now onwards so that continuity is guaranteed.
Link: https://lore.kernel.org/r/20220528151411.29810-1-lorenzo.pieralisi@arm.com
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
92597f97a4 ("PCI/PM: Avoid putting Elo i2 PCIe Ports in D3cold") omitted
braces around the new Elo i2 entry, so it overwrote the existing Gigabyte
X299 entry. Add the appropriate braces.
Found by:
$ make W=1 drivers/pci/pci.o
CC drivers/pci/pci.o
drivers/pci/pci.c:2974:12: error: initialized field overwritten [-Werror=override-init]
2974 | .ident = "Elo i2",
| ^~~~~~~~
Link: https://lore.kernel.org/r/20220526221258.GA409855@bhelgaas
Fixes: 92597f97a4 ("PCI/PM: Avoid putting Elo i2 PCIe Ports in D3cold")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v5.15+
This reverts commit 830aa6f29f.
This is part of a revert of the following commits:
11ed8b8624 ("PCI: brcmstb: Do not turn off WOL regulators on suspend")
93e41f3fca ("PCI: brcmstb: Add control of subdevice voltage regulators")
67211aadcb ("PCI: brcmstb: Add mechanism to turn on subdev regulators")
830aa6f29f ("PCI: brcmstb: Split brcm_pcie_setup() into two funcs")
Cyril reported that 830aa6f29f ("PCI: brcmstb: Split brcm_pcie_setup()
into two funcs"), which appeared in v5.17-rc1, broke booting on the
Raspberry Pi Compute Module 4. Apparently 830aa6f29f panics with an
Asynchronous SError Interrupt, and after further commits here is a black
screen on HDMI and no output on the serial console.
This does not seem to affect the Raspberry Pi 4 B.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215925
Link: https://lore.kernel.org/r/20220511201856.808690-5-helgaas@kernel.org
Reported-by: Cyril Brulebois <kibi@debian.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This reverts commit 67211aadcb.
This is part of a revert of the following commits:
11ed8b8624 ("PCI: brcmstb: Do not turn off WOL regulators on suspend")
93e41f3fca ("PCI: brcmstb: Add control of subdevice voltage regulators")
67211aadcb ("PCI: brcmstb: Add mechanism to turn on subdev regulators")
830aa6f29f ("PCI: brcmstb: Split brcm_pcie_setup() into two funcs")
Cyril reported that 830aa6f29f ("PCI: brcmstb: Split brcm_pcie_setup()
into two funcs"), which appeared in v5.17-rc1, broke booting on the
Raspberry Pi Compute Module 4. Apparently 830aa6f29f panics with an
Asynchronous SError Interrupt, and after further commits here is a black
screen on HDMI and no output on the serial console.
This does not seem to affect the Raspberry Pi 4 B.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215925
Link: https://lore.kernel.org/r/20220511201856.808690-4-helgaas@kernel.org
Reported-by: Cyril Brulebois <kibi@debian.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
