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The current console/printk subsystem is protected by a Big Kernel Lock,
(aka console_lock) which has ill defined semantics and is more or less
stateless. This puts severe limitations on the console subsystem and
makes forced takeover and output in emergency and panic situations a
fragile endeavour that is based on try and pray.
The goal of non-BKL (nbcon) consoles is to break out of the console lock
jail and to provide a new infrastructure that avoids the pitfalls and
also allows console drivers to be gradually converted over.
The proposed infrastructure aims for the following properties:
- Per console locking instead of global locking
- Per console state that allows to make informed decisions
- Stateful handover and takeover
As a first step, state is added to struct console. The per console state
is an atomic_t using a 32bit bit field.
Reserve state bits, which will be populated later in the series. Wire
it up into the console register/unregister functionality.
It was decided to use a bitfield because using a plain u32 with
mask/shift operations resulted in uncomprehensible code.
Co-developed-by: John Ogness <[email protected]>
Signed-off-by: John Ogness <[email protected]>
Signed-off-by: Thomas Gleixner (Intel) <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Signed-off-by: Petr Mladek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk fix from Petr Mladek:
- Revert exporting symbols needed for dumping the raw printk buffer in
panic().
I pushed the export prematurely before the user was ready for merging
into the mainline.
* tag 'printk-for-6.6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
Revert "printk: export symbols for debug modules"
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"One test fix and a __counted_by annotation"
* tag 'landlock-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Fix a resource leak
landlock: Annotate struct landlock_rule with __counted_by
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Pull drm fixes from Dave Airlie:
"Regular rounds of rc1 fixes, a large bunch for amdgpu since it's three
weeks in one go, one i915, one nouveau and one ivpu.
I think there might be a few more fixes in misc that I haven't pulled
in yet, but we should get them all for rc2.
amdgpu:
- Display replay fixes
- Fixes for headless boards
- Fix documentation breakage
- RAS fixes
- Handle newer IP discovery tables
- SMU 13.0.6 fixes
- SR-IOV fixes
- Display vstartup fixes
- NBIO 7.9 fixes
- Display scaling mode fixes
- Debugfs power reporting fix
- GC 9.4.3 fixes
- Dirty framebuffer fixes for fbcon
- eDP fixes
- DCN 3.1.5 fix
- Display ODM fixes
- GPU core dump fix
- Re-enable zops property now that IGT test is fixed
- Fix possible UAF in CS code
- Cursor degamma fix
amdkfd:
- HMM fixes
- Interrupt masking fix
- GFX11 MQD fixes
i915:
- Mark requests for GuC virtual engines to avoid use-after-free
nouveau:
- Fix fence state in nouveau_fence_emit()
ivpu:
- replace strncpy"
* tag 'drm-next-2023-09-08' of git://anongit.freedesktop.org/drm/drm: (51 commits)
drm/amdgpu: Restrict bootloader wait to SMUv13.0.6
drm/amd/display: prevent potential division by zero errors
drm/amd/display: enable cursor degamma for DCN3+ DRM legacy gamma
drm/amd/display: limit the v_startup workaround to ASICs older than DCN3.1
Revert "drm/amd/display: Remove v_startup workaround for dcn3+"
drm/amdgpu: fix amdgpu_cs_p1_user_fence
Revert "Revert "drm/amd/display: Implement zpos property""
drm/amdkfd: Add missing gfx11 MQD manager callbacks
drm/amdgpu: Free ras cmd input buffer properly
drm/amdgpu: Hide xcp partition sysfs under SRIOV
drm/amdgpu: use read-modify-write mode for gfx v9_4_3 SQ setting
drm/amdkfd: use mask to get v9 interrupt sq data bits correctly
drm/amdgpu: Allocate coredump memory in a nonblocking way
drm/amdgpu: Support query ecc cap for aqua_vanjaram
drm/amdgpu: Add umc_info v4_0 structure
drm/amd/display: always switch off ODM before committing more streams
drm/amd/display: Remove wait while locked
drm/amd/display: update blank state on ODM changes
drm/amd/display: Add smu write msg id fail retry process
drm/amdgpu: Add SMU v13.0.6 default reset methods
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking updates from Jakub Kicinski:
"Including fixes from netfilter and bpf.
Current release - regressions:
- eth: stmmac: fix failure to probe without MAC interface specified
Current release - new code bugs:
- docs: netlink: fix missing classic_netlink doc reference
Previous releases - regressions:
- deal with integer overflows in kmalloc_reserve()
- use sk_forward_alloc_get() in sk_get_meminfo()
- bpf_sk_storage: fix the missing uncharge in sk_omem_alloc
- fib: avoid warn splat in flow dissector after packet mangling
- skb_segment: call zero copy functions before using skbuff frags
- eth: sfc: check for zero length in EF10 RX prefix
Previous releases - always broken:
- af_unix: fix msg_controllen test in scm_pidfd_recv() for
MSG_CMSG_COMPAT
- xsk: fix xsk_build_skb() dereferencing possible ERR_PTR()
- netfilter:
- nft_exthdr: fix non-linear header modification
- xt_u32, xt_sctp: validate user space input
- nftables: exthdr: fix 4-byte stack OOB write
- nfnetlink_osf: avoid OOB read
- one more fix for the garbage collection work from last release
- igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU
- bpf, sockmap: fix preempt_rt splat when using raw_spin_lock_t
- handshake: fix null-deref in handshake_nl_done_doit()
- ip: ignore dst hint for multipath routes to ensure packets are
hashed across the nexthops
- phy: micrel:
- correct bit assignments for cable test errata
- disable EEE according to the KSZ9477 errata
Misc:
- docs/bpf: document compile-once-run-everywhere (CO-RE) relocations
- Revert "net: macsec: preserve ingress frame ordering", it appears
to have been developed against an older kernel, problem doesn't
exist upstream"
* tag 'net-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (95 commits)
net: enetc: distinguish error from valid pointers in enetc_fixup_clear_rss_rfs()
Revert "net: team: do not use dynamic lockdep key"
net: hns3: remove GSO partial feature bit
net: hns3: fix the port information display when sfp is absent
net: hns3: fix invalid mutex between tc qdisc and dcb ets command issue
net: hns3: fix debugfs concurrency issue between kfree buffer and read
net: hns3: fix byte order conversion issue in hclge_dbg_fd_tcam_read()
net: hns3: Support query tx timeout threshold by debugfs
net: hns3: fix tx timeout issue
net: phy: Provide Module 4 KSZ9477 errata (DS80000754C)
netfilter: nf_tables: Unbreak audit log reset
netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
netfilter: nf_tables: uapi: Describe NFTA_RULE_CHAIN_ID
netfilter: nfnetlink_osf: avoid OOB read
netfilter: nftables: exthdr: fix 4-byte stack OOB write
selftests/bpf: Check bpf_sk_storage has uncharged sk_omem_alloc
bpf: bpf_sk_storage: Fix the missing uncharge in sk_omem_alloc
bpf: bpf_sk_storage: Fix invalid wait context lockdep report
s390/bpf: Pass through tail call counter in trampolines
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more devicetree updates from Rob Herring:
"A couple of conversions which didn't get picked up by the subsystems
and one fix:
- Convert st,stih407-irq-syscfg and Omnivision OV7251 bindings to DT
schema
- Merge Omnivision OV5695 into OV5693 binding
- Fix of_overlay_fdt_apply prototype when !CONFIG_OF_OVERLAY"
* tag 'devicetree-fixes-for-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: irqchip: convert st,stih407-irq-syscfg to DT schema
media: dt-bindings: Convert Omnivision OV7251 to DT schema
media: dt-bindings: Merge OV5695 into OV5693 binding
of: overlay: Fix of_overlay_fdt_apply prototype when !CONFIG_OF_OVERLAY
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Various cleanups and fixes across the board"
* tag 'pwm/for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (31 commits)
pwm: lpc32xx: Remove handling of PWM channels
pwm: atmel: Simplify using devm functions
dt-bindings: pwm: brcm,kona-pwm: convert to YAML
pwm: stmpe: Handle errors when disabling the signal
pwm: stm32: Simplify using devm_pwmchip_add()
pwm: stm32: Don't modify HW state in .remove() callback
pwm: Fix order of freeing resources in pwmchip_remove()
pwm: ntxec: Use device_set_of_node_from_dev()
pwm: ntxec: Drop a write-only variable from driver data
pwm: pxa: Don't reimplement of_device_get_match_data()
pwm: lpc18xx-sct: Simplify using devm_clk_get_enabled()
pwm: atmel-tcb: Don't track polarity in driver data
pwm: atmel-tcb: Unroll atmel_tcb_pwm_set_polarity() into only caller
pwm: atmel-tcb: Put per-channel data into driver data
pwm: atmel-tcb: Fix resource freeing in error path and remove
pwm: atmel-tcb: Harmonize resource allocation order
pwm: Drop unused #include <linux/radix-tree.h>
pwm: rz-mtu3: Fix build warning 'num_channel_ios' not described
pwm: Remove outdated documentation for pwmchip_remove()
pwm: atmel: Enable clk when pwm already enabled in bootloader
...
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.6-2023-09-06:
amdgpu:
- Display replay fixes
- Fixes for headless boards
- Fix documentation breakage
- RAS fixes
- Handle newer IP discovery tables
- SMU 13.0.6 fixes
- SR-IOV fixes
- Display vstartup fixes
- NBIO 7.9 fixes
- Display scaling mode fixes
- Debugfs power reporting fix
- GC 9.4.3 fixes
- Dirty framebuffer fixes for fbcon
- eDP fixes
- DCN 3.1.5 fix
- Display ODM fixes
- GPU core dump fix
- Re-enable zops property now that IGT test is fixed
- Fix possible UAF in CS code
- Cursor degamma fix
amdkfd:
- HMM fixes
- Interrupt masking fix
- GFX11 MQD fixes
Signed-off-by: Dave Airlie <[email protected]>
From: Alex Deucher <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
- Mark requests for GuC virtual engines to avoid use-after-free (Andrzej).
Signed-off-by: Dave Airlie <[email protected]>
From: Rodrigo Vivi <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- Add a way for drivers to tell the core the supported alarm range is
smaller than the date range. This is not used yet but will be
useful for the alarmtimers in the next release.
- fix Wvoid-pointer-to-enum-cast warnings
- remove redundant of_match_ptr()
- stop warning for invalid alarms when the alarm is disabled
Drivers:
- isl12022: allow setting the trip level for battery level detection
- pcf2127: add support for PCF2131 and multiple timestamps
- stm32: time precision improvement, many fixes
- twl: NVRAM support"
* tag 'rtc-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (73 commits)
dt-bindings: rtc: ds3231: Remove text binding
rtc: wm8350: remove unnecessary messages
rtc: twl: remove unnecessary messages
rtc: sun6i: remove unnecessary message
rtc: stop warning for invalid alarms when the alarm is disabled
rtc: twl: add NVRAM support
rtc: pcf85363: Allow to wake up system without IRQ
rtc: m48t86: add DT support for m48t86
dt-bindings: rtc: Add ST M48T86
rtc: pcf2127: remove useless check
rtc: rzn1: Report maximum alarm limit to rtc core
rtc: ds1305: Report maximum alarm limit to rtc core
rtc: tps6586x: Report maximum alarm limit to rtc core
rtc: cmos: Report supported alarm limit to rtc infrastructure
rtc: cros-ec: Detect and report supported alarm window size
rtc: Add support for limited alarm timer offsets
rtc: isl1208: Fix incorrect logic in isl1208_set_xtoscb()
MAINTAINERS: remove obsolete pattern in RTC SUBSYSTEM section
rtc: tps65910: Remove redundant dev_warn() and do not check for 0 return after calling platform_get_irq()
rtc: omap: Do not check for 0 return after calling platform_get_irq()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Core:
- Fix SETDASA when static and dynamic adress are equal
- Fix cmd_v1 DAA exit criteria
Drivers:
- svc: allow probing without any device"
* tag 'i3c/for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: svc: fix probe failure when no i3c device exist
i3c: master: Fix SETDASA process
dt-bindings: i3c: Fix description for assigned-address
i3c: master: svc: Describe member 'saved_regs'
i3c: master: svc: Do not check for 0 return after calling platform_get_irq()
i3c/master: cmd_v1: Fix the exit criteria for the daa procedure
i3c: Explicitly include correct DT includes
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of fixes that came in during the merge window, both driver
specific - one for a bug that came up in testing, one for a bug due
to a misreading of the datasheet"
* tag 'regulator-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: tps6594-regulator: Fix random kernel crash
regulator: tps6287x: Fix n_voltages
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of fixes for the sun6i driver. The patch to reduce DMA RX to
single byte width all the time is *hopefully* excessively cautious but
it's unclear which SoCs are affected so the fix just covers everything
for safety"
* tag 'spi-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: sun6i: fix race between DMA RX transfer completion and RX FIFO drain
spi: sun6i: reduce DMA RX transfer width to single byte
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Pull kvm updates from Paolo Bonzini:
"ARM:
- Clean up vCPU targets, always returning generic v8 as the preferred
target
- Trap forwarding infrastructure for nested virtualization (used for
traps that are taken from an L2 guest and are needed by the L1
hypervisor)
- FEAT_TLBIRANGE support to only invalidate specific ranges of
addresses when collapsing a table PTE to a block PTE. This avoids
that the guest refills the TLBs again for addresses that aren't
covered by the table PTE.
- Fix vPMU issues related to handling of PMUver.
- Don't unnecessary align non-stack allocations in the EL2 VA space
- Drop HCR_VIRT_EXCP_MASK, which was never used...
- Don't use smp_processor_id() in kvm_arch_vcpu_load(), but the cpu
parameter instead
- Drop redundant call to kvm_set_pfn_accessed() in user_mem_abort()
- Remove prototypes without implementations
RISC-V:
- Zba, Zbs, Zicntr, Zicsr, Zifencei, and Zihpm support for guest
- Added ONE_REG interface for SATP mode
- Added ONE_REG interface to enable/disable multiple ISA extensions
- Improved error codes returned by ONE_REG interfaces
- Added KVM_GET_REG_LIST ioctl() implementation for KVM RISC-V
- Added get-reg-list selftest for KVM RISC-V
s390:
- PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch)
Allows a PV guest to use crypto cards. Card access is governed by
the firmware and once a crypto queue is "bound" to a PV VM every
other entity (PV or not) looses access until it is not bound
anymore. Enablement is done via flags when creating the PV VM.
- Guest debug fixes (Ilya)
x86:
- Clean up KVM's handling of Intel architectural events
- Intel bugfixes
- Add support for SEV-ES DebugSwap, allowing SEV-ES guests to use
debug registers and generate/handle #DBs
- Clean up LBR virtualization code
- Fix a bug where KVM fails to set the target pCPU during an IRTE
update
- Fix fatal bugs in SEV-ES intrahost migration
- Fix a bug where the recent (architecturally correct) change to
reinject #BP and skip INT3 broke SEV guests (can't decode INT3 to
skip it)
- Retry APIC map recalculation if a vCPU is added/enabled
- Overhaul emergency reboot code to bring SVM up to par with VMX, tie
the "emergency disabling" behavior to KVM actually being loaded,
and move all of the logic within KVM
- Fix user triggerable WARNs in SVM where KVM incorrectly assumes the
TSC ratio MSR cannot diverge from the default when TSC scaling is
disabled up related code
- Add a framework to allow "caching" feature flags so that KVM can
check if the guest can use a feature without needing to search
guest CPUID
- Rip out the ancient MMU_DEBUG crud and replace the useful bits with
CONFIG_KVM_PROVE_MMU
- Fix KVM's handling of !visible guest roots to avoid premature
triple fault injection
- Overhaul KVM's page-track APIs, and KVMGT's usage, to reduce the
API surface that is needed by external users (currently only
KVMGT), and fix a variety of issues in the process
Generic:
- Wrap kvm_{gfn,hva}_range.pte in a union to allow mmu_notifier
events to pass action specific data without needing to constantly
update the main handlers.
- Drop unused function declarations
Selftests:
- Add testcases to x86's sync_regs_test for detecting KVM TOCTOU bugs
- Add support for printf() in guest code and covert all guest asserts
to use printf-based reporting
- Clean up the PMU event filter test and add new testcases
- Include x86 selftests in the KVM x86 MAINTAINERS entry"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (279 commits)
KVM: x86/mmu: Include mmu.h in spte.h
KVM: x86/mmu: Use dummy root, backed by zero page, for !visible guest roots
KVM: x86/mmu: Disallow guest from using !visible slots for page tables
KVM: x86/mmu: Harden TDP MMU iteration against root w/o shadow page
KVM: x86/mmu: Harden new PGD against roots without shadow pages
KVM: x86/mmu: Add helper to convert root hpa to shadow page
drm/i915/gvt: Drop final dependencies on KVM internal details
KVM: x86/mmu: Handle KVM bookkeeping in page-track APIs, not callers
KVM: x86/mmu: Drop @slot param from exported/external page-track APIs
KVM: x86/mmu: Bug the VM if write-tracking is used but not enabled
KVM: x86/mmu: Assert that correct locks are held for page write-tracking
KVM: x86/mmu: Rename page-track APIs to reflect the new reality
KVM: x86/mmu: Drop infrastructure for multiple page-track modes
KVM: x86/mmu: Use page-track notifiers iff there are external users
KVM: x86/mmu: Move KVM-only page-track declarations to internal header
KVM: x86: Remove the unused page-track hook track_flush_slot()
drm/i915/gvt: switch from ->track_flush_slot() to ->track_remove_region()
KVM: x86: Add a new page-track hook to handle memslot deletion
drm/i915/gvt: Don't bother removing write-protection on to-be-deleted slot
KVM: x86: Reject memslot MOVE operations if KVMGT is attached
...
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
Short summary of fixes pull:
* ivpu: Replace strncpy
* nouveau: Fix fence state in nouveau_fence_emit()
Signed-off-by: Dave Airlie <[email protected]>
From: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/20230901070123.GA6987@linux-uq9g
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enetc_psi_create() returns an ERR_PTR() or a valid station interface
pointer, but checking for the non-NULL quality of the return code blurs
that difference away. So if enetc_psi_create() fails, we call
enetc_psi_destroy() when we shouldn't. This will likely result in
crashes, since enetc_psi_create() cleans up everything after itself when
it returns an ERR_PTR().
Fixes: f0168042a212 ("net: enetc: reimplement RFS/RSS memory clearing as PCI quirk")
Reported-by: Dan Carpenter <[email protected]>
Closes: https://lore.kernel.org/netdev/[email protected]/
Suggested-by: Dan Carpenter <[email protected]>
Signed-off-by: Vladimir Oltean <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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This reverts commit 39285e124edbc752331e98ace37cc141a6a3747a.
Looks like the change has unintended consequences in exposing
objects before they are initialized. Let's drop this patch
and try again in net-next.
Reported-by: [email protected]
Fixes: 39285e124edb ("net: team: do not use dynamic lockdep key")
Link: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Jakub Kicinski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Heiko Carstens:
- A couple of virtual vs physical address confusion fixes
- Rework locking in dcssblk driver to address a lockdep warning
- Remove support for "noexec" kernel command line option since there is
no use case where it would make sense
- Simplify kernel mapping setup and get rid of quite a bit of code
- Add architecture specific __set_memory_yy() functions which allow us
to modify kernel mappings. Unlike the set_memory_xx() variants they
take void pointer start and end parameters, which allows using them
without the usual casts, and also to use them on areas larger than
8TB.
Note that the set_memory_xx() family comes with an int num_pages
parameter which overflows with 8TB. This could be addressed by
changing the num_pages parameter to unsigned long, however requires
to change all architectures, since the module code expects an int
parameter (see module_set_memory()).
This was indeed an issue since for debug_pagealloc() we call
set_memory_4k() on the whole identity mapping. Therefore address this
for now with the __set_memory_yy() variant, and address common code
later
- Use dev_set_name() and also fix memory leak in zcrypt driver error
handling
- Remove unused lsi_mask from airq_struct
- Add warning for invalid kernel mapping requests
* tag 's390-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vmem: do not silently ignore mapping limit
s390/zcrypt: utilize dev_set_name() ability to use a formatted string
s390/zcrypt: don't leak memory if dev_set_name() fails
s390/mm: fix MAX_DMA_ADDRESS physical vs virtual confusion
s390/airq: remove lsi_mask from airq_struct
s390/mm: use __set_memory() variants where useful
s390/set_memory: add __set_memory() variant
s390/set_memory: generate all set_memory() functions
s390/mm: improve description of mapping permissions of prefix pages
s390/amode31: change type of __samode31, __eamode31, etc
s390/mm: simplify kernel mapping setup
s390: remove "noexec" option
s390/vmem: fix virtual vs physical address confusion
s390/dcssblk: fix lockdep warning
s390/monreader: fix virtual vs physical address confusion
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Pull MIPS updates from Thomas Bogendoerfer:
"Just cleanups and fixes"
* tag 'mips_6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: TXx9: Do PCI error checks on own line
arch/mips/configs/*_defconfig cleanup
MIPS: VDSO: Conditionally export __vdso_gettimeofday()
Mips: loongson3_defconfig: Enable ast drm driver by default
mips: remove <asm/export.h>
mips: replace #include <asm/export.h> with #include <linux/export.h>
mips: remove unneeded #include <asm/export.h>
MIPS: Loongson64: Fix more __iomem attributes
MIPS: loongson32: Remove regs-rtc.h
MIPS: loongson32: Remove regs-clk.h
MIPS: More explicit DT include clean-ups
MIPS: Fixup explicit DT include clean-up
Revert MIPS: Loongson: Fix build error when make modules_install
MIPS: Only fiddle with CHECKFLAGS if `need-compiler'
MIPS: Fix CONFIG_CPU_DADDI_WORKAROUNDS `modules_install' regression
MIPS: Explicitly include correct DT includes
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Pull xtensa updates from Max Filippov:
- enable MTD XIP support
- fix base address of the xtensa perf module in newer hardware
* tag 'xtensa-20230905' of https://github.com/jcmvbkbc/linux-xtensa:
xtensa: add XIP-aware MTD support
xtensa: PMU: fix base address for the newer hardware
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Recently we moved most cleanup from ntfs_put_super() into
ntfs3_kill_sb() as part of a bigger cleanup. This accidently also moved
dropping inode references stashed in ntfs3's sb->s_fs_info from
@sb->put_super() to @sb->kill_sb(). But generic_shutdown_super()
verifies that there are no busy inodes past sb->put_super(). Fix this
and disentangle dropping inode references from freeing @sb->s_fs_info.
Fixes: a4f64a300a29 ("ntfs3: free the sbi in ->kill_sb") # mainline only
Reported-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
|
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Mateusz reports that glibc turns 'fstat()' calls into 'fstatat()', and
that seems to have been going on for quite a long time due to glibc
having tried to simplify its stat logic into just one point.
This turns out to cause completely unnecessary overhead, where we then
go off and allocate the kernel side pathname, and actually look up the
empty path. Sure, our path lookup is quite optimized, but it still
causes a fair bit of allocation overhead and a couple of completely
unnecessary rounds of lockref accesses etc.
This is all hopefully getting fixed in user space, and there is a patch
floating around for just having glibc use the native fstat() system
call. But even with the current situation we can at least improve on
things by catching the situation and short-circuiting it.
Note that this is still measurably slower than just a plain 'fstat()',
since just checking that the filename is actually empty is somewhat
expensive due to inevitable user space access overhead from the kernel
(ie verifying pointers, and SMAP on x86). But it's still quite a bit
faster than actually looking up the path for real.
To quote numers from Mateusz:
"Sapphire Rapids, will-it-scale, ops/s
stock fstat 5088199
patched fstat 7625244 (+49%)
real fstat 8540383 (+67% / +12%)"
where that 'stock fstat' is the glibc translation of fstat into
fstatat() with an empty path, the 'patched fstat' is with this short
circuiting of the path lookup, and the 'real fstat' is the actual native
fstat() system call with none of this overhead.
Link: https://lore.kernel.org/lkml/20230903204858.lv7i3kqvw6eamhgz@f/
Reported-by: Mateusz Guzik <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This reverts commit 3e00123a13d824d63072b1824c9da59cd78356d9.
No, we never export random symbols for out of tree modules.
Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Petr Mladek <[email protected]>
Signed-off-by: Petr Mladek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|
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https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter updates for net
This PR contains nf_tables updates for your *net* tree.
This time almost all fixes are for old bugs:
First patch fixes a 4-byte stack OOB write, from myself.
This was broken ever since nftables was switches from 128 to 32bit
register addressing in v4.1.
2nd patch fixes an out-of-bounds read.
This has been broken ever since xt_osf got added in 2.6.31, the bug
was then just moved around during refactoring, from Wander Lairson Costa.
3rd patch adds a missing enum description, from Phil Sutter.
4th patch fixes a UaF inftables that occurs when userspace adds
elements with a timeout so small that expiration happens while the
transaction is still in progress. Fix from Pablo Neira Ayuso.
Patch 5 fixes a memory out of bounds access, this was
broken since v4.20. Patch from Kyle Zeng and Jozsef Kadlecsik.
Patch 6 fixes another bogus memory access when building audit
record. Bug added in the previous pull request, fix from Pablo.
netfilter pull request 2023-09-06
* tag 'nf-23-09-06' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: Unbreak audit log reset
netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
netfilter: nf_tables: uapi: Describe NFTA_RULE_CHAIN_ID
netfilter: nfnetlink_osf: avoid OOB read
netfilter: nftables: exthdr: fix 4-byte stack OOB write
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
|
Jijie Shao says:
====================
There are some bugfix for the HNS3 ethernet driver
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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|
HNS3 NIC does not support GSO partial packets segmentation. Actually tunnel
packets for example NvGRE packets segment offload and checksum offload is
already supported. There is no need to keep gso partial feature bit. So
this patch removes it.
Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Jie Wang <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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When sfp is absent or unidentified, the port type should be
displayed as PORT_OTHERS, rather than PORT_FIBRE.
Fixes: 88d10bd6f730 ("net: hns3: add support for multiple media type")
Signed-off-by: Yisen Zhuang <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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We hope that tc qdisc and dcb ets commands can not be used crosswise.
If we want to use any of the commands to configure tc,
We must use the other command to clear the existing configuration.
However, when we configure a single tc with tc qdisc,
we can still configure it with dcb ets.
Because we use mqprio_active as the tag of tc qdisc configuration,
but with dcb ets, we do not check mqprio_active.
This patch fix this issue by check mqprio_active before
executing the dcb ets command. and add dcb_ets_active to
replace HCLGE_FLAG_DCB_ENABLE and HCLGE_FLAG_MQPRIO_ENABLE
at the hclge layer,
Fixes: cacde272dd00 ("net: hns3: Add hclge_dcb module for the support of DCB feature")
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
|
|
Now in hns3_dbg_uninit(), there may be concurrency between
kfree buffer and read, it may result in memory error.
Moving debugfs_remove_recursive() in front of kfree buffer to ensure
they don't happen at the same time.
Fixes: 5e69ea7ee2a6 ("net: hns3: refactor the debugfs process")
Signed-off-by: Hao Chen <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
|
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req1->tcam_data is defined as "u8 tcam_data[8]", and we convert it as
(u32 *) without considerring byte order conversion,
it may result in printing wrong data for tcam_data.
Convert tcam_data to (__le32 *) first to fix it.
Fixes: b5a0b70d77b9 ("net: hns3: refactor dump fd tcam of debugfs")
Signed-off-by: Hao Chen <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
|
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support query tx timeout threshold by debugfs
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Currently, the driver knocks the ring doorbell before updating
the ring->last_to_use in tx flow. if the hardware transmiting
packet and napi poll scheduling are fast enough, it may get
the old ring->last_to_use in drivers' napi poll.
In this case, the driver will think the tx is not completed, and
return directly without clear the flag __QUEUE_STATE_STACK_XOFF,
which may cause tx timeout.
Fixes: 20d06ca2679c ("net: hns3: optimize the tx clean process")
Signed-off-by: Jian Shen <[email protected]>
Signed-off-by: Jijie Shao <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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The KSZ9477 errata points out (in 'Module 4') the link up/down problems
when EEE (Energy Efficient Ethernet) is enabled in the device to which
the KSZ9477 tries to auto negotiate.
The suggested workaround is to clear advertisement of EEE for PHYs in
this chip driver.
To avoid regressions with other switch ICs the new MICREL_NO_EEE flag
has been introduced.
Moreover, the in-register disablement of MMD_DEVICE_ID_EEE_ADV.MMD_EEE_ADV
MMD register is removed, as this code is both; now executed too late
(after previous rework of the PHY and DSA for KSZ switches) and not
required as setting all members of eee_broken_modes bit field prevents
the KSZ9477 from advertising EEE.
Fixes: 69d3b36ca045 ("net: dsa: microchip: enable EEE support") # for KSZ9477
Signed-off-by: Lukasz Majewski <[email protected]>
Tested-by: Oleksij Rempel <[email protected]> # Confirmed disabled EEE with oscilloscope.
Reviewed-by: Oleksij Rempel <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
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Restrict the wait for boot loader steady state only to SMUv13.0.6. For
older SOCs, ASIC init has a longer wait period and that takes care.
Signed-off-by: Lijo Lazar <[email protected]>
Reviewed-by: Asad Kamal <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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There are two places in apply_below_the_range() where it's possible for
a divide by zero error to occur. So, to fix this make sure the divisor
is non-zero before attempting the computation in both cases.
Cc: [email protected]
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2637
Fixes: a463b263032f ("drm/amd/display: Fix frames_to_insert math")
Fixes: ded6119e825a ("drm/amd/display: Reinstate LFC optimization")
Reviewed-by: Aurabindo Pillai <[email protected]>
Signed-off-by: Hamza Mahfooz <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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For DRM legacy gamma, AMD display manager applies implicit sRGB degamma
using a pre-defined sRGB transfer function. It works fine for DCN2
family where degamma ROM and custom curves go to the same color block.
But, on DCN3+, degamma is split into two blocks: degamma ROM for
pre-defined TFs and `gamma correction` for user/custom curves and
degamma ROM settings doesn't apply to cursor plane. To get DRM legacy
gamma working as expected, enable cursor degamma ROM for implict sRGB
degamma on HW with this configuration.
Cc: [email protected]
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2803
Fixes: 96b020e2163f ("drm/amd/display: check attr flag before set cursor degamma on DCN3+")
Signed-off-by: Melissa Wen <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
|
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Since, calling dcn20_adjust_freesync_v_startup() on DCN3.1+ ASICs
can cause the display to flicker and underflow to occur, we shouldn't
call it for them. So, ensure that the DCN version is less than
DCN_VERSION_3_1 before calling dcn20_adjust_freesync_v_startup().
Cc: [email protected]
Reviewed-by: Fangzhi Zuo <[email protected]>
Signed-off-by: Hamza Mahfooz <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This reverts commit 3a31e8b89b7240d9a17ace8a1ed050bdcb560f9e.
We still need to call dcn20_adjust_freesync_v_startup() for older DCN3+
ASICs. Otherwise, it can cause DP to HDMI 2.1 PCONs to fail to light up.
Cc: [email protected]
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2809
Reviewed-by: Fangzhi Zuo <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Hamza Mahfooz <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
|
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-09-06
We've added 9 non-merge commits during the last 6 day(s) which contain
a total of 12 files changed, 189 insertions(+), 44 deletions(-).
The main changes are:
1) Fix bpf_sk_storage to address an invalid wait context lockdep
report and another one to address missing omem uncharge,
from Martin KaFai Lau.
2) Two BPF recursion detection related fixes,
from Sebastian Andrzej Siewior.
3) Fix tailcall limit enforcement in trampolines for s390 JIT,
from Ilya Leoshkevich.
4) Fix a sockmap refcount race where skbs in sk_psock_backlog can
be referenced after user space side has already skb_consumed them,
from John Fastabend.
5) Fix BPF CI flake/race wrt sockmap vsock write test where
the transport endpoint is not connected, from Xu Kuohai.
6) Follow-up doc fix to address a cross-link warning,
from Eduard Zingerman.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Check bpf_sk_storage has uncharged sk_omem_alloc
bpf: bpf_sk_storage: Fix the missing uncharge in sk_omem_alloc
bpf: bpf_sk_storage: Fix invalid wait context lockdep report
s390/bpf: Pass through tail call counter in trampolines
bpf: Assign bpf_tramp_run_ctx::saved_run_ctx before recursion check.
bpf: Invoke __bpf_prog_exit_sleepable_recur() on recursion in kern_sys_bpf().
bpf, sockmap: Fix skb refcnt race after locking changes
docs/bpf: Fix "file doesn't exist" warnings in {llvm_reloc,btf}.rst
selftests/bpf: Fix a CI failure caused by vsock write
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
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Pull ceph updates from Ilya Dryomov:
"Mixed with some fixes and cleanups, this brings in reasonably complete
fscrypt support to CephFS! The list of things which don't work with
encryption should be fairly short, mostly around the edges: fallocate
(not supported well in CephFS to begin with), copy_file_range
(requires re-encryption), non-default striping patterns.
This was a multi-year effort principally by Jeff Layton with
assistance from Xiubo Li, Luís Henriques and others, including several
dependant changes in the MDS, netfs helper library and fscrypt
framework itself"
* tag 'ceph-for-6.6-rc1' of https://github.com/ceph/ceph-client: (53 commits)
ceph: make num_fwd and num_retry to __u32
ceph: make members in struct ceph_mds_request_args_ext a union
rbd: use list_for_each_entry() helper
libceph: do not include crypto/algapi.h
ceph: switch ceph_lookup/atomic_open() to use new fscrypt helper
ceph: fix updating i_truncate_pagecache_size for fscrypt
ceph: wait for OSD requests' callbacks to finish when unmounting
ceph: drop messages from MDS when unmounting
ceph: update documentation regarding snapshot naming limitations
ceph: prevent snapshot creation in encrypted locked directories
ceph: add support for encrypted snapshot names
ceph: invalidate pages when doing direct/sync writes
ceph: plumb in decryption during reads
ceph: add encryption support to writepage and writepages
ceph: add read/modify/write to ceph_sync_write
ceph: align data in pages in ceph_sync_write
ceph: don't use special DIO path for encrypted inodes
ceph: add truncate size handling support for fscrypt
ceph: add object version support for sync read
libceph: allow ceph_osdc_new_request to accept a multi-op read
...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a new driver for Azoteq IQS7210A/7211A/E touch controllers
- support for Azoteq IQS7222D variant added to iqs7222 driver
- support for touch keys functionality added to Melfas MMS114 driver
- new hardware IDs added to exc3000 and Goodix drivers
- xpad driver gained support for GameSir T4 Kaleid Controller
- a fix for xpad driver to properly support some third-party
controllers that need a magic packet to start properly
- a fix for psmouse driver to more reliably switch to RMI4 mode on
devices that use native RMI4/SMbus protocol
- a quirk for i8042 for TUXEDO Gemini 17 Gen1/Clevo PD70PN laptops
- multiple drivers have been updated to make use of devm and other
newer APIs such as dev_err_probe(), devm_regulator_get_enable(), and
others.
* tag 'input-for-v6.6-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (83 commits)
Input: goodix - add support for ACPI ID GDX9110
Input: rpckbd - fix the return value handle for platform_get_irq()
Input: tca6416-keypad - switch to using input core's polling features
Input: tca6416-keypad - convert to use devm_* api
Input: tca6416-keypad - fix interrupt enable disbalance
Input: tca6416-keypad - rely on I2C core to set up suspend/resume
Input: tca6416-keypad - always expect proper IRQ number in i2c client
Input: lm8323 - convert to use devm_* api
Input: lm8323 - rely on device core to create kp_disable attribute
Input: qt2160 - convert to use devm_* api
Input: qt2160 - do not hard code interrupt trigger
Input: qt2160 - switch to using threaded interrupt handler
Input: qt2160 - tweak check for i2c adapter functionality
Input: psmouse - add delay when deactivating for SMBus mode
Input: mcs-touchkey - fix uninitialized use of error in mcs_touchkey_probe()
Input: qt1070 - convert to use devm_* api
Input: mcs-touchkey - convert to use devm_* api
Input: amikbd - convert to use devm_* api
Input: lm8333 - convert to use devm_* api
Input: mms114 - add support for touch keys
...
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add marvell GTI watchdog driver
- add support for Amlogic-T7 SoCs
- document the IPQ5018 watchdog compatible
- enable COMPILE_TEST for more watchdog device drivers
- core: stop watchdog when executing poweroff command
- other small improvements and fixes
* tag 'linux-watchdog-6.6-rc1' of git://www.linux-watchdog.org/linux-watchdog: (21 commits)
watchdog: Add support for Amlogic-T7 SoCs
watchdog: Add a new struct for Amlogic-GXBB driver
dt-bindings: watchdog: Add support for Amlogic-T7 SoCs
dt-bindings: watchdog: qcom-wdt: document IPQ5018
watchdog: imx2_wdt: Improve dev_crit() message
watchdog: stm32: Drop unnecessary of_match_ptr()
watchdog: sama5d4: readout initial state
watchdog: intel-mid_wdt: add MODULE_ALIAS() to allow auto-load
watchdog: core: stop watchdog when executing poweroff command
watchdog: pm8916_wdt: Remove redundant of_match_ptr()
watchdog: xilinx_wwdt: Use div_u64() in xilinx_wwdt_start()
watchdog: starfive: Remove #ifdef guards for PM related functions
watchdog: s3c2410: Fix potential deadlock on &wdt->lock
watchdog:rit_wdt: Add support for WDIOF_CARDRESET
dt-bindings: watchdog: ti,rti-wdt: Add support for WDIOF_CARDRESET
watchdog: Enable COMPILE_TEST for more drivers
watchdog: advantech_ec_wdt: fix Kconfig dependencies
watchdog: Explicitly include correct DT includes
Watchdog: Add marvell GTI watchdog driver
dt-bindings: watchdog: marvell GTI system watchdog driver
...
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Deliver audit log from __nf_tables_dump_rules(), table dereference at
the end of the table list loop might point to the list head, leading to
this crash.
[ 4137.407349] BUG: unable to handle page fault for address: 00000000001f3c50
[ 4137.407357] #PF: supervisor read access in kernel mode
[ 4137.407359] #PF: error_code(0x0000) - not-present page
[ 4137.407360] PGD 0 P4D 0
[ 4137.407363] Oops: 0000 [#1] PREEMPT SMP PTI
[ 4137.407365] CPU: 4 PID: 500177 Comm: nft Not tainted 6.5.0+ #277
[ 4137.407369] RIP: 0010:string+0x49/0xd0
[ 4137.407374] Code: ff 77 36 45 89 d1 31 f6 49 01 f9 66 45 85 d2 75 19 eb 1e 49 39 f8 76 02 88 07 48 83 c7 01 83 c6 01 48 83 c2 01 4c 39 cf 74 07 <0f> b6 02 84 c0 75 e2 4c 89 c2 e9 58 e5 ff ff 48 c7 c0 0e b2 ff 81
[ 4137.407377] RSP: 0018:ffff8881179737f0 EFLAGS: 00010286
[ 4137.407379] RAX: 00000000001f2c50 RBX: ffff888117973848 RCX: ffff0a00ffffff04
[ 4137.407380] RDX: 00000000001f3c50 RSI: 0000000000000000 RDI: 0000000000000000
[ 4137.407381] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000ffffffff
[ 4137.407383] R10: ffffffffffffffff R11: ffff88813584d200 R12: 0000000000000000
[ 4137.407384] R13: ffffffffa15cf709 R14: 0000000000000000 R15: ffffffffa15cf709
[ 4137.407385] FS: 00007fcfc18bb580(0000) GS:ffff88840e700000(0000) knlGS:0000000000000000
[ 4137.407387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4137.407388] CR2: 00000000001f3c50 CR3: 00000001055b2001 CR4: 00000000001706e0
[ 4137.407390] Call Trace:
[ 4137.407392] <TASK>
[ 4137.407393] ? __die+0x1b/0x60
[ 4137.407397] ? page_fault_oops+0x6b/0xa0
[ 4137.407399] ? exc_page_fault+0x60/0x120
[ 4137.407403] ? asm_exc_page_fault+0x22/0x30
[ 4137.407408] ? string+0x49/0xd0
[ 4137.407410] vsnprintf+0x257/0x4f0
[ 4137.407414] kvasprintf+0x3e/0xb0
[ 4137.407417] kasprintf+0x3e/0x50
[ 4137.407419] nf_tables_dump_rules+0x1c0/0x360 [nf_tables]
[ 4137.407439] ? __alloc_skb+0xc3/0x170
[ 4137.407442] netlink_dump+0x170/0x330
[ 4137.407447] __netlink_dump_start+0x227/0x300
[ 4137.407449] nf_tables_getrule+0x205/0x390 [nf_tables]
Deliver audit log only once at the end of the rule dump+reset for
consistency with the set dump+reset.
Ensure audit reset access to table under rcu read side lock. The table
list iteration holds rcu read lock side, but recent audit code
dereferences table object out of the rcu read lock side.
Fixes: ea078ae9108e ("netfilter: nf_tables: Audit log rule reset")
Fixes: 7e9be1124dbe ("netfilter: nf_tables: Audit log setelem reset")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Acked-by: Phil Sutter <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
|
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ip_set_hash_netportnet.c
The missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can
lead to the use of wrong `CIDR_POS(c)` for calculating array offsets,
which can lead to integer underflow. As a result, it leads to slab
out-of-bound access.
This patch adds back the IP_SET_HASH_WITH_NET0 macro to
ip_set_hash_netportnet to address the issue.
Fixes: 886503f34d63 ("netfilter: ipset: actually allow allowable CIDR 0 in hash:net,port,net")
Suggested-by: Jozsef Kadlecsik <[email protected]>
Signed-off-by: Kyle Zeng <[email protected]>
Acked-by: Jozsef Kadlecsik <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
|
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New elements in this transaction might expired before such transaction
ends. Skip sync GC for such elements otherwise commit path might walk
over an already released object. Once transaction is finished, async GC
will collect such expired element.
Fixes: f6c383b8c31a ("netfilter: nf_tables: adapt set backend to use GC transaction API")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
|
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Add a brief description to the enum's comment.
Fixes: 837830a4b439 ("netfilter: nf_tables: add NFTA_RULE_CHAIN_ID attribute")
Signed-off-by: Phil Sutter <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
|
|
The opt_num field is controlled by user mode and is not currently
validated inside the kernel. An attacker can take advantage of this to
trigger an OOB read and potentially leak information.
BUG: KASAN: slab-out-of-bounds in nf_osf_match_one+0xbed/0xd10 net/netfilter/nfnetlink_osf.c:88
Read of size 2 at addr ffff88804bc64272 by task poc/6431
CPU: 1 PID: 6431 Comm: poc Not tainted 6.0.0-rc4 #1
Call Trace:
nf_osf_match_one+0xbed/0xd10 net/netfilter/nfnetlink_osf.c:88
nf_osf_find+0x186/0x2f0 net/netfilter/nfnetlink_osf.c:281
nft_osf_eval+0x37f/0x590 net/netfilter/nft_osf.c:47
expr_call_ops_eval net/netfilter/nf_tables_core.c:214
nft_do_chain+0x2b0/0x1490 net/netfilter/nf_tables_core.c:264
nft_do_chain_ipv4+0x17c/0x1f0 net/netfilter/nft_chain_filter.c:23
[..]
Also add validation to genre, subtype and version fields.
Fixes: 11eeef41d5f6 ("netfilter: passive OS fingerprint xtables match")
Reported-by: Lucas Leong <[email protected]>
Signed-off-by: Wander Lairson Costa <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
|
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If priv->len is a multiple of 4, then dst[len / 4] can write past
the destination array which leads to stack corruption.
This construct is necessary to clean the remainder of the register
in case ->len is NOT a multiple of the register size, so make it
conditional just like nft_payload.c does.
The bug was added in 4.1 cycle and then copied/inherited when
tcp/sctp and ip option support was added.
Bug reported by Zero Day Initiative project (ZDI-CAN-21950,
ZDI-CAN-21951, ZDI-CAN-21961).
Fixes: 49499c3e6e18 ("netfilter: nf_tables: switch registers to 32 bit addressing")
Fixes: 935b7f643018 ("netfilter: nft_exthdr: add TCP option matching")
Fixes: 133dc203d77d ("netfilter: nft_exthdr: Support SCTP chunks")
Fixes: dbb5281a1f84 ("netfilter: nf_tables: add support for matching IPv4 options")
Signed-off-by: Florian Westphal <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Functionality:
- Ensure correct includes are present and remove some that are not
required
- Drop redundant of_match_ptr() call to cast pointer to NULL
Bug Fixes:
- Revert to old (expected) behaviour of initialising PWM state on
first brightness change
- Correctly handle / propagate errors
- Fix 'sometimes-uninitialised' issues"
* tag 'backlight-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: led_bl: Remove redundant of_match_ptr()
backlight: lp855x: Drop ret variable in brightness change function
backlight: gpio_backlight: Drop output GPIO direction check for initial power state
backlight: lp855x: Catch errors when changing brightness
backlight: lp855x: Initialize PWM state on first brightness change
backlight: qcom-wled: Explicitly include correct DT includes
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This patch checks the sk_omem_alloc has been uncharged by bpf_sk_storage
during the __sk_destruct.
Signed-off-by: Martin KaFai Lau <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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