Al pointed out that ksmbd has racy issue from using ->d_parent and ->d_name
in ksmbd_vfs_unlink and smb2_vfs_rename(). and use new lock_rename_child()
to lock stable parent while underlying rename racy.
Introduce vfs_path_parent_lookup helper to avoid out of share access and
export vfs functions like the following ones to use
vfs_path_parent_lookup().
- rename __lookup_hash() to lookup_one_qstr_excl().
- export lookup_one_qstr_excl().
- export getname_kernel() and putname().
vfs_path_parent_lookup() is used for parent lookup of destination file
using absolute pathname given from FILE_RENAME_INFORMATION request.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
build_compression_ctxt() is currently unreachable due to
conn.compress_algorithm remaining zero (SMB3_COMPRESS_NONE).
It appears to have been broken in a couple of subtle ways over the
years:
- prior to d6c9ad23b4 ("ksmbd: use the common definitions for
NEGOTIATE_PROTOCOL") smb2_compression_ctx.DataLength was set to 8,
which didn't account for the single CompressionAlgorithms flexible
array member.
- post d6c9ad23b4 smb2_compression_capabilities_context
CompressionAlgorithms is a three member array, while
CompressionAlgorithmCount is set to indicate only one member.
assemble_neg_contexts() ctxt_size is also incorrectly incremented by
sizeof(struct smb2_compression_capabilities_context) + 2, which
assumes one flexible array member.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Both pneg_ctxt and ctxt_size change in unison, with each adding the
length of the previously added context, rounded up to an eight byte
boundary.
Drop pneg_ctxt increments and instead use the ctxt_size offset when
passing output pointers to per-context helper functions. This slightly
simplifies offset tracking and shaves off a few text bytes.
Before (x86-64 gcc 7.5):
text data bss dec hex filename
213234 8677 672 222583 36577 ksmbd.ko
After:
text data bss dec hex filename
213218 8677 672 222567 36567 ksmbd.ko
Signed-off-by: David Disseldorp <ddiss@suse.de>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
There are no early returns, so marshalling the incremented
NegotiateContextCount with every context is unnecessary.
Signed-off-by: David Disseldorp <ddiss@suse.de>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
We started disabling '-Warray-bounds' for gcc-12 originally on s390,
because it resulted in some warnings that weren't realistically fixable
(commit 8b202ee218: "s390: disable -Warray-bounds").
That s390-specific issue was then found to be less common elsewhere, but
generic (see f0be87c42c: "gcc-12: disable '-Warray-bounds' universally
for now"), and then later expanded the version check was expanded to
gcc-11 (5a41237ad1: "gcc: disable -Warray-bounds for gcc-11 too").
And it turns out that I was much too optimistic in thinking that it's
all going to go away, and here we are with gcc-13 showing all the same
issues. So instead of expanding this one version at a time, let's just
disable it for gcc-11+, and put an end limit to it only when we actually
find a solution.
Yes, I'm sure some of this is because the kernel just does odd things
(like our "container_of()" use, but also knowingly playing games with
things like linker tables and array layouts).
And yes, some of the warnings are likely signs of real bugs, but when
there are hundreds of false positives, that doesn't really help.
Oh well.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix the prefix in the kernel source tarball
- Fix a typo in the copyright file in Debian package
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Merge tag 'kbuild-fixes-v6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix the prefix in the kernel source tarball
- Fix a typo in the copyright file in Debian package
* tag 'kbuild-fixes-v6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: use proper prefix for tarballs to fix rpm-pkg build error
kbuild: deb-pkg: Fix a spell typo in mkdebian script
be allocated for a device
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Merge tag 'irq_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Remove an over-zealous sanity check of the array of MSI-X vectors to
be allocated for a device
* tag 'irq_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
PCI/MSI: Remove over-zealous hardware size check in pci_msix_validate_entries()
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Merge tag 'x86_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov
- Fix for older binutils which do not support C-syntax constant
suffixes
* tag 'x86_urgent_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives: Do not use integer constant suffixes in inline asm
- a check in pegasus-notetaker driver to validate the type of pipe
when probing a new device
- a fix for Cypress touch controller to correctly parse maximum
number of touches.
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Merge tag 'input-for-v6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a check in pegasus-notetaker driver to validate the type of pipe when
probing a new device
- a fix for Cypress touch controller to correctly parse maximum number
of touches.
* tag 'input-for-v6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: cyttsp5 - fix sensing configuration data structure
Input: pegasus-notetaker - check pipe type when probing
Since commit f8d94c4e40 ("kbuild: do not create intermediate *.tar
for source tarballs"), 'make rpm-pkg' fails because the prefix of the
source tarball is 'linux.tar/' instead of 'linux/'. $(basename $@)
strips only '.gz' from the filename linux.tar.gz.
You need to strip two suffixes from compressed tarballs and one suffix
from uncompressed tarballs (for example 'perf-6.3.0.tar' generated by
'make perf-tar-src-pkg').
One tricky fix might be --prefix=$(firstword $(subst .tar, ,$@))/
but I think it is better to hard-code the prefix.
Fixes: f8d94c4e40 ("kbuild: do not create intermediate *.tar for source tarballs")
Reported-by: Jiwei Sun <sunjw10@lenovo.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
* Plug a buffer overflow due to the use of the user-provided register
width for firmware regs. Outright reject accesses where the
user register width does not match the kernel representation.
* Protect non-atomic RMW operations on vCPU flags against preemption,
as an update to the flags by an intervening preemption could be lost.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Two serious ARM fixes:
- Plug a buffer overflow due to the use of the user-provided register
width for firmware regs. Outright reject accesses where the user
register width does not match the kernel representation.
- Protect non-atomic RMW operations on vCPU flags against preemption,
as an update to the flags by an intervening preemption could be
lost"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm64: Fix buffer overflow in kvm_arm_set_fw_reg()
KVM: arm64: Make vcpu flag updates non-preemptible
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Merge tag '6.3-rc7-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Three small smb3 client fixes:
- two important fixes for unbuffered read regression with the
iov_iter changes (e.g. read soon after mount in some multichannel
scenarios)
- DFS prefix path fix (also for stable)"
* tag '6.3-rc7-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Reapply lost fix from commit 30b2b2196d
cifs: Fix unbuffered read
cifs: avoid dup prefix path in dfs_get_automount_devname()
- Plug a buffer overflow due to the use of the user-provided register
width for firmware regs. Outright reject accesses where the
user register width does not match the kernel representation.
- Protect non-atomic RMW operations on vCPU flags against preemption,
as an update to the flags by an intervening preemption could be lost.
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Merge tag 'kvmarm-fixes-6.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.3, part #4
- Plug a buffer overflow due to the use of the user-provided register
width for firmware regs. Outright reject accesses where the
user register width does not match the kernel representation.
- Protect non-atomic RMW operations on vCPU flags against preemption,
as an update to the flags by an intervening preemption could be lost.
MIPS's exit sections are discarded at runtime as well.
Fixes link error:
`.exit.text' referenced in section `__jump_table' of fs/fuse/inode.o:
defined in discarded section `.exit.text' of fs/fuse/inode.o
Fixes: 99cb0d917f ("arch: fix broken BuildID for arm64 and riscv")
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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Merge tag 'for-6.3-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Two patches fixing the problem with aync discard.
The default settings had a low IOPS limit and processing a large batch
to discard would take a long time. On laptops this can cause increased
power consumption due to disk activity.
As async discard has been on by default since 6.2 this likely affects
a lot of users.
Summary:
- increase the default IOPS limit 10x which reportedly helped
- setting the sysfs IOPS value to 0 now does not throttle anymore
allowing the discards to be processed at full speed. Previously
there was an arbitrary 6 hour target for processing the pending
batch"
* tag 'for-6.3-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: reinterpret async discard iops_limit=0 as no delay
btrfs: set default discard iops_limit to 1000
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Merge tag 'block-6.3-2023-04-21' of git://git.kernel.dk/linux
Pull block fix from Jens Axboe:
"Just a single revert of a patch from the 6.3 series"
* tag 'block-6.3-2023-04-21' of git://git.kernel.dk/linux:
Revert "block: Merge bio before checking ->cached_rq"
Here are some last-minute tiny driver fixes for 6.3-final. They
include fixes for some fpga and iio drivers:
- fpga bridge driver fix
- fpga dfl error reporting fix
- fpga m10bmc driver fix
- fpga xilinx driver fix
- iio light driver fix
- iio dac fwhandle leak fix
- iio adc driver fix
All of these have been in linux-next for a few weeks with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some last-minute tiny driver fixes for 6.3-final. They
include fixes for some fpga and iio drivers:
- fpga bridge driver fix
- fpga dfl error reporting fix
- fpga m10bmc driver fix
- fpga xilinx driver fix
- iio light driver fix
- iio dac fwhandle leak fix
- iio adc driver fix
All of these have been in linux-next for a few weeks with no reported
problems"
* tag 'char-misc-6.3-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
iio: light: tsl2772: fix reading proximity-diodes from device tree
fpga: bridge: properly initialize bridge device before populating children
iio: dac: ad5755: Add missing fwnode_handle_put()
iio: adc: at91-sama5d2_adc: fix an error code in at91_adc_allocate_trigger()
fpga: xilinx-pr-decoupler: Use readl wrapper instead of pure readl
fpga: dfl-pci: Drop redundant pci_enable_pcie_error_reporting()
fpga: m10bmc-sec: Fix rsu_send_data() to return FW_UPLOAD_ERR_HW_ERROR
- use raw_spinlocks in regmaps that are used in interrupt context in
gpio-104-idi-48 and gpio-104-dio-48e
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Merge tag 'gpio-fixes-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- use raw_spinlocks in regmaps that are used in interrupt context in
gpio-104-idi-48 and gpio-104-dio-48e
* tag 'gpio-fixes-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config
gpio: 104-dio-48e: Enable use_raw_spinlock for dio48e_regmap_config
Just a few fixes: all small and device-specific (ASoC FSL, SOF, and
HD-audio quirks), should be safe to apply at the last minute.
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Merge tag 'sound-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Just a few fixes: all small and device-specific (ASoC FSL, SOF, and
HD-audio quirks), should be safe to apply at the last minute"
* tag 'sound-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook
ASoC: fsl_asrc_dma: fix potential null-ptr-deref
ASoC: fsl_sai: Fix pins setting for i.MX8QM platform
ALSA: hda/realtek: Remove specific patch for Dell Precision 3260
ASoC: max98373: change power down sequence for smart amp
ASoC: SOF: pm: Tear down pipelines only if DSP was active
ASoC: SOF: ipc4-topology: Clarify bind failure caused by missing fw_module
It seems there is a misprint in the check of strdup() return code that
can lead to NULL pointer dereference.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 4520c6a49a ("X.509: Add simple ASN.1 grammar compiler")
Signed-off-by: Ekaterina Orlova <vorobushek.ok@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jarkko Sakkinen <jarkko@kernel.org>
Cc: keyrings@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org
Link: https://lore.kernel.org/r/20230315172130.140-1-vorobushek.ok@gmail.com/
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pass the dentry of a source file and the dentry of a destination directory
to lock parent inodes for rename. As soon as this function returns,
->d_parent of the source file dentry is stable and inodes are properly
locked for calling vfs-rename. This helper is needed for ksmbd server.
rename request of SMB protocol has to rename an opened file, no matter
which directory it's in.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Since vfs_path_lookup is exported, It should not be internal.
Move vfs_path_lookup prototype in internal.h to linux/namei.h.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
nouveau:
- fix dma-resv timeout
rockchip:
- fix suspend/resume
sched:
- fix timeout handling
i915:
- Fix fast wake AUX sync len
amdgpu:
- GPU reset fix
- DCN 3.1.5 line buffer fix
- Display fix for single channel memory configs
- Fix a possible divide by 0
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Merge tag 'drm-fixes-2023-04-21' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is the regular and hopefully last round of fixes for 6.3.
Pretty small, a few amdgpu, one i915, one nouveau, one rockchip and
one gpu scheduler fix:
nouveau:
- fix dma-resv timeout
rockchip:
- fix suspend/resume
sched:
- fix timeout handling
i915:
- Fix fast wake AUX sync len
amdgpu:
- GPU reset fix
- DCN 3.1.5 line buffer fix
- Display fix for single channel memory configs
- Fix a possible divide by 0"
* tag 'drm-fixes-2023-04-21' of git://anongit.freedesktop.org/drm/drm:
drm/amd/display: fix a divided-by-zero error
drm/amd/display: limit timing for single dimm memory
drm/amd/display: set dcn315 lb bpp to 48
drm/amdgpu: Fix desktop freezed after gpu-reset
drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume
drm/nouveau: fix incorrect conversion to dma_resv_wait_timeout()
drm/rockchip: vop2: fix suspend/resume
drm/i915: Fix fast wake AUX sync len
drm/sched: Check scheduler ready before calling timeout handling
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Merge tag 'pci-v6.3-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Previously we ignored PCI devices if the DT "status" property or the
ACPI _STA method said it was not present.
Per spec, _STA cannot be used for that purpose, and using it that way
caused regressions, so skip the _STA check (Rob Herring)
* tag 'pci-v6.3-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Restrict device disabled status check to DT
Currently, a limit of 0 results in a hard coded metering over 6 hours.
Since the default is a set limit, I suspect no one truly depends on this
rather arbitrary setting. Repurpose it for an arguably more useful
"unlimited" mode, where the delay is 0.
Note that if block groups are too new, or go fully empty, there is still
a delay associated with those conditions. Those delays implement
heuristics for not trimming a region we are relatively likely to fully
overwrite soon.
CC: stable@vger.kernel.org # 6.2+
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Previously, the default was a relatively conservative 10. This results
in a 100ms delay, so with ~300 discards in a commit, it takes the full
30s till the next commit to finish the discards. On a workstation, this
results in the disk never going idle, wasting power/battery, etc.
Set the default to 1000, which results in using the smallest possible
delay, currently, which is 1ms. This has shown to not pathologically
keep the disk busy by the original reporter.
Link: https://lore.kernel.org/linux-btrfs/Y%2F+n1wS%2F4XAH7X1p@nz/
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2182228
CC: stable@vger.kernel.org # 6.2+
Reviewed-by: Neal Gompa <neal@gompa.dev
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
- Build: Rust + GCC build fix and 'grep' warning fix.
- Code: Missing 'extern "C"' fix.
- Scripts: 'is_rust_module.sh' and 'generate_rust_analyzer.py' fixes.
- A couple trivial fixes.
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Merge tag 'rust-fixes-6.3' of https://github.com/Rust-for-Linux/linux
Pull Rust fixes from Miguel Ojeda:
"Most of these are straightforward.
The last one is more complex, but it only touches Rust + GCC builds
which are for the moment best-effort.
- Code: Missing 'extern "C"' fix.
- Scripts: 'is_rust_module.sh' and 'generate_rust_analyzer.py' fixes.
- A couple trivial fixes
- Build: Rust + GCC build fix and 'grep' warning fix"
* tag 'rust-fixes-6.3' of https://github.com/Rust-for-Linux/linux:
rust: allow to use INIT_STACK_ALL_ZERO
rust: fix regexp in scripts/is_rust_module.sh
rust: build: Fix grep warning
scripts: generate_rust_analyzer: Handle sub-modules with no Makefile
rust: kernel: Mark rust_fmt_argument as extern "C"
rust: sort uml documentation arch support table
rust: str: fix requierments->requirements typo
Commit 6fffbc7ae1 ("PCI: Honor firmware's device disabled status")
checked the firmware device status for both DT and ACPI devices. That
caused a regression in some ACPI systems. The exact reason isn't clear.
It's possibly a firmware bug. For now, at least, refactor the check to
be for DT based systems only.
Note that the original implementation leaked a refcount which is now
correctly handled.
[bhelgaas: Per ACPI r6.5, sec 6.3.7, for devices on an enumerable bus, _STA
must return with bit[0] ("device is present") set]
Link: https://lore.kernel.org/all/m2fs9lgndw.fsf@gmail.com/
Fixes: 6fffbc7ae1 ("PCI: Honor firmware's device disabled status")
Link: https://lore.kernel.org/r/20230419193513.708818-1-robh@kernel.org
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217317
Reported-by: Donald Hunter <donald.hunter@gmail.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Donald Hunter <donald.hunter@gmail.com>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Binbin Zhou <zhoubinbin@loongson.cn>
Cc: Liu Peibao <liupeibao@loongson.cn>
Cc: Huacai Chen <chenhuacai@loongson.cn>
Current release - regressions:
- sched: clear actions pointer in miss cookie init fail
- mptcp: fix accept vs worker race
- bpf: fix bpf_arch_text_poke() with new_addr == NULL on s390
- eth: bnxt_en: fix a possible NULL pointer dereference in unload path
- eth: veth: take into account peer device for NETDEV_XDP_ACT_NDO_XMIT xdp_features flag
Current release - new code bugs:
- eth: revert "net/mlx5: Enable management PF initialization"
Previous releases - regressions:
- netfilter: fix recent physdev match breakage
- bpf: fix incorrect verifier pruning due to missing register precision taints
- eth: virtio_net: fix overflow inside xdp_linearize_page()
- eth: cxgb4: fix use after free bugs caused by circular dependency problem
- eth: mlxsw: pci: fix possible crash during initialization
Previous releases - always broken:
- sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg
- netfilter: validate catch-all set elements
- bridge: don't notify FDB entries with "master dynamic"
- eth: bonding: fix memory leak when changing bond type to ethernet
- eth: i40e: fix accessing vsi->active_filters without holding lock
Misc:
- Mat is back as MPTCP co-maintainer
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.3-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter and bpf.
There are a few fixes for new code bugs, including the Mellanox one
noted in the last networking pull. No known regressions outstanding.
Current release - regressions:
- sched: clear actions pointer in miss cookie init fail
- mptcp: fix accept vs worker race
- bpf: fix bpf_arch_text_poke() with new_addr == NULL on s390
- eth: bnxt_en: fix a possible NULL pointer dereference in unload
path
- eth: veth: take into account peer device for
NETDEV_XDP_ACT_NDO_XMIT xdp_features flag
Current release - new code bugs:
- eth: revert "net/mlx5: Enable management PF initialization"
Previous releases - regressions:
- netfilter: fix recent physdev match breakage
- bpf: fix incorrect verifier pruning due to missing register
precision taints
- eth: virtio_net: fix overflow inside xdp_linearize_page()
- eth: cxgb4: fix use after free bugs caused by circular dependency
problem
- eth: mlxsw: pci: fix possible crash during initialization
Previous releases - always broken:
- sched: sch_qfq: prevent slab-out-of-bounds in qfq_activate_agg
- netfilter: validate catch-all set elements
- bridge: don't notify FDB entries with "master dynamic"
- eth: bonding: fix memory leak when changing bond type to ethernet
- eth: i40e: fix accessing vsi->active_filters without holding lock
Misc:
- Mat is back as MPTCP co-maintainer"
* tag 'net-6.3-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (33 commits)
net: bridge: switchdev: don't notify FDB entries with "master dynamic"
Revert "net/mlx5: Enable management PF initialization"
MAINTAINERS: Resume MPTCP co-maintainer role
mailmap: add entries for Mat Martineau
e1000e: Disable TSO on i219-LM card to increase speed
bnxt_en: fix free-runnig PHC mode
net: dsa: microchip: ksz8795: Correctly handle huge frame configuration
bpf: Fix incorrect verifier pruning due to missing register precision taints
hamradio: drop ISA_DMA_API dependency
mlxsw: pci: Fix possible crash during initialization
mptcp: fix accept vs worker race
mptcp: stops worker on unaccepted sockets at listener close
net: rpl: fix rpl header size calculation
net: vmxnet3: Fix NULL pointer dereference in vmxnet3_rq_rx_complete()
bonding: Fix memory leak when changing bond type to Ethernet
veth: take into account peer device for NETDEV_XDP_ACT_NDO_XMIT xdp_features flag
mlxfw: fix null-ptr-deref in mlxfw_mfa2_tlv_next()
bnxt_en: Fix a possible NULL pointer dereference in unload path
bnxt_en: Do not initialize PTP on older P3/P4 chips
netfilter: nf_tables: tighten netlink attribute requirements for catch-all elements
...
This reverts commit 23f3e3272e.
blk-mq sched bio merge still needs request to grab queue usage counter,
so we can't simply call blk_mq_attempt_bio_merge() when queue usage
counter isn't held.
Fixes: 23f3e3272e ("block: Merge bio before checking ->cached_rq")
Cc: Xiao Ni <xni@redhat.com>
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230420112018.1108058-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There is a structural problem in switchdev, where the flag bits in
struct switchdev_notifier_fdb_info (added_by_user, is_local etc) only
represent a simplified / denatured view of what's in struct
net_bridge_fdb_entry :: flags (BR_FDB_ADDED_BY_USER, BR_FDB_LOCAL etc).
Each time we want to pass more information about struct
net_bridge_fdb_entry :: flags to struct switchdev_notifier_fdb_info
(here, BR_FDB_STATIC), we find that FDB entries were already notified to
switchdev with no regard to this flag, and thus, switchdev drivers had
no indication whether the notified entries were static or not.
For example, this command:
ip link add br0 type bridge && ip link set swp0 master br0
bridge fdb add dev swp0 00:01:02:03:04:05 master dynamic
has never worked as intended with switchdev. It causes a struct
net_bridge_fdb_entry to be passed to br_switchdev_fdb_notify() which has
a single flag set: BR_FDB_ADDED_BY_USER.
This is further passed to the switchdev notifier chain, where interested
drivers have no choice but to assume this is a static (does not age) and
sticky (does not migrate) FDB entry. So currently, all drivers offload
it to hardware as such, as can be seen below ("offload" is set).
bridge fdb get 00:01:02:03:04:05 dev swp0 master
00:01:02:03:04:05 dev swp0 offload master br0
The software FDB entry expires $ageing_time centiseconds after the
kernel last sees a packet with this MAC SA, and the bridge notifies its
deletion as well, so it eventually disappears from hardware too.
This is a problem, because it is actually desirable to start offloading
"master dynamic" FDB entries correctly - they should expire $ageing_time
centiseconds after the *hardware* port last sees a packet with this
MAC SA - and this is how the current incorrect behavior was discovered.
With an offloaded data plane, it can be expected that software only sees
exception path packets, so an otherwise active dynamic FDB entry would
be aged out by software sooner than it should.
With the change in place, these FDB entries are no longer offloaded:
bridge fdb get 00:01:02:03:04:05 dev swp0 master
00:01:02:03:04:05 dev swp0 master br0
and this also constitutes a better way (assuming a backport to stable
kernels) for user space to determine whether the kernel has the
capability of doing something sane with these or not.
As opposed to "master dynamic" FDB entries, on the current behavior of
which no one currently depends on (which can be deduced from the lack of
kselftests), Ido Schimmel explains that entries with the "extern_learn"
flag (BR_FDB_ADDED_BY_EXT_LEARN) should still be notified to switchdev,
since the spectrum driver listens to them (and this is kind of okay,
because although they are treated identically to "static", they are
expected to not age, and to roam).
Fixes: 6b26b51b1d ("net: bridge: Add support for notifying devices about FDB add/del")
Link: https://lore.kernel.org/netdev/20230327115206.jk5q5l753aoelwus@skbuf/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20230418155902.898627-1-vladimir.oltean@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
There is a HP ProBook 455 G10 which using ALC236 codec and need the
ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF quirk to make mute LED and
micmute LED work.
Signed-off-by: Andy Chi <andy.chi@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230420035942.66817-1-andy.chi@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A few remaining small fixes for v6.3, all small driver specific ones.
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Merge tag 'asoc-fix-v6.3-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.3
A few remaining small fixes for v6.3, all small driver specific ones.
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
bpf 2023-04-19
We've added 3 non-merge commits during the last 6 day(s) which contain
a total of 3 files changed, 34 insertions(+), 9 deletions(-).
The main changes are:
1) Fix a crash on s390's bpf_arch_text_poke() under a NULL new_addr,
from Ilya Leoshkevich.
2) Fix a bug in BPF verifier's precision tracker, from Daniel Borkmann
and Andrii Nakryiko.
3) Fix a regression in veth's xdp_features which led to a broken BPF CI
selftest, from Lorenzo Bianconi.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Fix incorrect verifier pruning due to missing register precision taints
veth: take into account peer device for NETDEV_XDP_ACT_NDO_XMIT xdp_features flag
s390/bpf: Fix bpf_arch_text_poke() with new_addr == NULL
====================
Link: https://lore.kernel.org/r/20230419195847.27060-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-04-17 (i40e)
This series contains updates to i40e only.
Alex moves setting of active filters to occur under lock and checks/takes
error path in rebuild if re-initializing the misc interrupt vector
failed.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: fix i40e_setup_misc_vector() error handling
i40e: fix accessing vsi->active_filters without holding lock
====================
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230417205245.1030733-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 are cc:stable and the remainder address issues which were introduced
during this merge cycle, or aren't considered suitable for -stable
backporting.
19 are for MM and the remainder are for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"22 hotfixes.
19 are cc:stable and the remainder address issues which were
introduced during this merge cycle, or aren't considered suitable for
-stable backporting.
19 are for MM and the remainder are for other subsystems"
* tag 'mm-hotfixes-stable-2023-04-19-16-36' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
nilfs2: initialize unused bytes in segment summary blocks
mm: page_alloc: skip regions with hugetlbfs pages when allocating 1G pages
mm/mmap: regression fix for unmapped_area{_topdown}
maple_tree: fix mas_empty_area() search
maple_tree: make maple state reusable after mas_empty_area_rev()
mm: kmsan: handle alloc failures in kmsan_ioremap_page_range()
mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush()
tools/Makefile: do missed s/vm/mm/
mm: fix memory leak on mm_init error handling
mm/page_alloc: fix potential deadlock on zonelist_update_seq seqlock
kernel/sys.c: fix and improve control flow in __sys_setres[ug]id()
Revert "userfaultfd: don't fail on unrecognized features"
writeback, cgroup: fix null-ptr-deref write in bdi_split_work_to_wbs
maple_tree: fix a potential memory leak, OOB access, or other unpredictable bug
tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used
mailmap: update jtoppins' entry to reference correct email
mm/mempolicy: fix use-after-free of VMA iterator
mm/huge_memory.c: warn with pr_warn_ratelimited instead of VM_WARN_ON_ONCE_FOLIO
mm/mprotect: fix do_mprotect_pkey() return on error
mm/khugepaged: check again on anon uffd-wp during isolation
...
While using i219-LM card currently it was only possible to achieve
about 60% of maximum speed due to regression introduced in Linux 5.8.
This was caused by TSO not being disabled by default despite commit
f29801030a ("e1000e: Disable TSO for buffer overrun workaround").
Fix that by disabling TSO during driver probe.
Fixes: f29801030a ("e1000e: Disable TSO for buffer overrun workaround")
Signed-off-by: Sebastian Basierski <sebastianx.basierski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230417205345.1030801-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The patch in fixes changed the way real-time mode is chosen for PHC on
the NIC. Apparently there is one more use case of the check outside of
ptp part of the driver which was not converted to the new macro and is
making a lot of noise in free-running mode.
Fixes: 131db49916 ("bnxt_en: reset PHC frequency in free-running mode")
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://lore.kernel.org/r/20230418202511.1544735-1-vadfed@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
