8932c32c30
1154224 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Marc Zyngier
|
8932c32c30 |
irqdomain: Fix domain registration race
Hierarchical domains created using irq_domain_create_hierarchy() are
currently added to the domain list before having been fully initialised.
This specifically means that a racing allocation request might fail to
allocate irq data for the inner domains of a hierarchy in case the
parent domain pointer has not yet been set up.
Note that this is not really any issue for irqchip drivers that are
registered early (e.g. via IRQCHIP_DECLARE() or IRQCHIP_ACPI_DECLARE())
but could potentially cause trouble with drivers that are registered
later (e.g. modular drivers using IRQCHIP_PLATFORM_DRIVER_BEGIN(),
gpiochip drivers, etc.).
Fixes:
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Johan Hovold
|
601363cc08 |
irqdomain: Fix mapping-creation race
Parallel probing of devices that share interrupts (e.g. when a driver uses asynchronous probing) can currently result in two mappings for the same hardware interrupt to be created due to missing serialisation. Make sure to hold the irq_domain_mutex when creating mappings so that looking for an existing mapping before creating a new one is done atomically. Fixes: |
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Johan Hovold
|
d55f7f4c58 |
irqdomain: Refactor __irq_domain_alloc_irqs()
Refactor __irq_domain_alloc_irqs() so that it can be called internally
while holding the irq_domain_mutex.
This will be used to fix a shared-interrupt mapping race, hence the
Fixes tag.
Fixes:
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Johan Hovold
|
6e6f75c9c9 |
irqdomain: Look for existing mapping only once
Avoid looking for an existing mapping twice when creating a new mapping
using irq_create_fwspec_mapping() by factoring out the actual allocation
which is shared with irq_create_mapping_affinity().
The new helper function will also be used to fix a shared-interrupt
mapping race, hence the Fixes tag.
Fixes:
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Johan Hovold
|
e3b7ab025e |
irqdomain: Drop bogus fwspec-mapping error handling
In case a newly allocated IRQ ever ends up not having any associated
struct irq_data it would not even be possible to dispose the mapping.
Replace the bogus disposal with a WARN_ON().
This will also be used to fix a shared-interrupt mapping race, hence the
CC-stable tag.
Fixes:
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Johan Hovold
|
3f883c38f5 |
irqdomain: Fix disassociation race
The global irq_domain_mutex is held when mapping interrupts from
non-hierarchical domains but currently not when disposing them.
This specifically means that updates of the domain mapcount is racy
(currently only used for statistics in debugfs).
Make sure to hold the global irq_domain_mutex also when disposing
mappings from non-hierarchical domains.
Fixes:
|
||
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Johan Hovold
|
b06730a571 |
irqdomain: Fix association race
The sanity check for an already mapped virq is done outside of the
irq_domain_mutex-protected section which means that an (unlikely) racing
association may not be detected.
Fix this by factoring out the association implementation, which will
also be used in a follow-on change to fix a shared-interrupt mapping
race.
Fixes:
|
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Linus Torvalds
|
5dc4c995db | Linux 6.2-rc4 | ||
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Linus Torvalds
|
f0f70ddb8f |
- Make sure the poking PGD is pinned for Xen PV as it requires it this way
- Fixes for two resctrl races when moving a task or creating a new monitoring group - Fix SEV-SNP guests running under HyperV where MTRRs are disabled to not return a UC- type mapping type on memremap() and thus cause a serious slowdown - Fix insn mnemonics in bioscall.S now that binutils is starting to fix confusing insn suffixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmPD5xsACgkQEsHwGGHe VUr65g/8CkfKQKIQ/kPn1B+M/PI4S8DBmz7CdufQTbB66GSfDwRpGnxIKJKZM1UG pyOmP1kHVXGGCsvFQimalxnBtFx6t3wFS+R+c/l5pRtgU63bwQpNjJ+vBcBpb4xs J7f06VgF6jB8qk0NqXBKNJt4kauZA50wiErYm8PU/yf0tmHratjrvDfKQmus9pI4 AMcQEudRhDDo8xqn8fvIC/S7xm9/TgNzKxYP+HciPa74HZm5vrjS0hIyZkIsh5d7 Q4MsP4VaBH12W6MbpF9TBw5VTDomwY8oS4xTNfkhyOTcHi8uLrMjA66VmaJwWXpe EZjOk4+KhtxYigaI5oQO9M5e9IINK6ZfbzU65P74wTvP3orszsBPG7QvodIzLc76 YI1GEea/bXgxYgPuMR6spZoGMS58K7BXgViVMVRwZ9bZk17+5pfbLkzKqZsfw/s/ nj3n8z4ayoc+ffDPllh0471Dn16ugKMf+EvW2Su1Q1QoaA7icNNkZrKaM6eSuoFr bClsrHeglQFadwy4kmY0fi7BUfiKTp+c5Ur7lM7VojrjH0XcoZreThVg0tNrk3ZR IAyBjtCdtg1rzrRfb7qBf6B+WNGdxYWGuDgOPiH1Xh+/plvyCqQ2/3AGWQAbu/qP to+IYmZg09mRpVBDYpCY4z6IzRbMJ9rRho4rNXCQUeAzSVMCrZE= =W2zR -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.2_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Make sure the poking PGD is pinned for Xen PV as it requires it this way - Fixes for two resctrl races when moving a task or creating a new monitoring group - Fix SEV-SNP guests running under HyperV where MTRRs are disabled to not return a UC- type mapping type on memremap() and thus cause a serious slowdown - Fix insn mnemonics in bioscall.S now that binutils is starting to fix confusing insn suffixes * tag 'x86_urgent_for_v6.2_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: fix poking_init() for Xen PV guests x86/resctrl: Fix event counts regression in reused RMIDs x86/resctrl: Fix task CLOSID/RMID update race x86/pat: Fix pat_x_mtrr_type() for MTRR disabled case x86/boot: Avoid using Intel mnemonics in AT&T syntax asm |
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Linus Torvalds
|
8aa9761223 |
- Fix the EDAC device's confusion in the polling setting units
- Fix a memory leak in highbank's probing function -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmPD41kACgkQEsHwGGHe VUqYOQ//bsKMgAbPDbvgSm8OkFvtLd+r38RE+dcg84QrBaeQ7z2x269i1bUhqkQV baatecdz+VoNQK3zmrIRshwgCGuwDEpRWAuPKJxoCfSU1eNzEipxHCoctNcp2q+Y 7nP65JtkQ6y1nEnBYh5h1snwbM3yuLIvmmuhYhPpd204k00L16Tzsu1uGiz7nDsZ 9ohBtS6laHztJnVd9gKIHOcgBCylPjNYpRecsgZk2COK/O9uTo8drQ46gKxwHQ4l P4RsvDligoaFO8rRLAzg2sfsOt9O2runkdWhYnVKSLdXOOA+wQ+eacOuzWs5dNpQ BQfWZB3GwxQ3+G1c2WOVrq/15YNrxpqMA9/060vPzGqW9VDCnOnoS3w5nHCDw5Ep YB+3OVn31Z4Hw+nP/WCR/0QYKDSBmqvGd4wKmHcUnL22rRZSl6UZTSqnBw3yrhV9 YzmZ+r3B9b7AtvDs3qWMjQwFYnxmeU7DSXsxjbUpDcMDuy/Y8/P9CSzE2ruC26L1 TdK/Vy6igoDCThzv0RMFEUfmpojIYoTtGNuyMrA90ZNKwXKVOcf9mM3TQm4vLH7m P3Q9UvBlApoaKbXSZaU0cV+klnba2prAnu4LTVeBWoyjPlmFZkv9ZxDHId8n2rie dTe/KZJRlScfwVtp83xh428ixdYWNs03R6P5tQAMKoZNLnixqXQ= =TiMH -----END PGP SIGNATURE----- Merge tag 'edac_urgent_for_v6.2_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC fixes from Borislav Petkov: - Fix the EDAC device's confusion in the polling setting units - Fix a memory leak in highbank's probing function * tag 'edac_urgent_for_v6.2_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/highbank: Fix memory leak in highbank_mc_probe() EDAC/device: Fix period calculation in edac_device_reset_delay_period() |
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Linus Torvalds
|
b1d63f0c77 |
powerpc fixes for 6.2 #3
- Fix a build failure with some versions of ld that have an odd version string. - Fix incorrect use of mutex in the IMC PMU driver. Thanks to: Kajol Jain, Michael Petlan, Ojaswin Mujoo, Peter Zijlstra, Yang Yingliang. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEJFGtCPCthwEv2Y/bUevqPMjhpYAFAmPD2ZoTHG1wZUBlbGxl cm1hbi5pZC5hdQAKCRBR6+o8yOGlgIJTD/9HeqFTpviUPd0QCW2HWVv2jwLA97Qy BGsMVz6eSk+f3YBFDFJ0n5KqYR4Bry5mgwPm1nQe86cKr+ZCdtnF+10vPL0TEdK5 M4a+u9PA+xqq9ukIN96ZP7QGi80YY0RRIrfkOwK6iQJVLSxT+TUcl1ko/iPalbI7 /5c2BCnkIoDbwU1ux3/6+uJCDFE3oLy5v1nt/mbzuekFTRvPGRCt+DWBywrYKYi8 XfBBVTz6F+PoBZ7vZa6Kv5IQANiuU4COTjpm9AjVvjp0oKfYskBmtZvHQhr3v6v4 HZsms49w0r3D7sZgEB2hmKFM2/QijSDeyBxnmt/hHeNYMMiFg+0lhoxoNoykzcN9 UfFU7NID3uqruYMkhAxiCIvyul9Vzcr+pe3GgooY+AtuokhuMUEUXJjEDIyXtoci 2VnEsdbl0/gihdHedfhLRXlEn8xz6fQvxDcpYZClSIDeS/nL7cuPd/9+JHn1hilq aJ0MX6VUKnwkSBb9Gkd1bt09jS6lqDUQS5+88IMvoJo53xHVlHF+5kqXAJRkpt1w XsDMBuKqT/aEC+rI5GyHXNglGuBYqMvEmbdEGtIVFCbUkcI35Xe8RXKmqDbO2U7N qqfYj53dgaptJF/sllcGuCTj6JrdJvKEVnuzsIwoE+XyXzr1e9UBmyZ+I//VjTjL Mhy9rXp7tJYnkw== =BaFo -----END PGP SIGNATURE----- Merge tag 'powerpc-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: - Fix a build failure with some versions of ld that have an odd version string - Fix incorrect use of mutex in the IMC PMU driver Thanks to Kajol Jain, Michael Petlan, Ojaswin Mujoo, Peter Zijlstra, and Yang Yingliang. * tag 'powerpc-6.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s/hash: Make stress_hpt_timer_fn() static powerpc/imc-pmu: Fix use of mutex in IRQs disabled section powerpc/boot: Fix incorrect version calculation issue in ld_version |
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|
Linus Torvalds
|
7c69844052 |
IOMMU Fixes for Linux v6.2-rc3
Including:
- Core: Fix an iommu-group refcount leak
- Fix overflow issue in IOVA alloc path
- ARM-SMMU fixes from Will:
- Fix VFIO regression on NXP SoCs by reporting IOMMU_CAP_CACHE_COHERENCY
- Fix SMMU shutdown paths to avoid device unregistration race
- Error handling fix for Mediatek IOMMU driver
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Merge tag 'iommu-fixes-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Core: Fix an iommu-group refcount leak
- Fix overflow issue in IOVA alloc path
- ARM-SMMU fixes from Will:
- Fix VFIO regression on NXP SoCs by reporting IOMMU_CAP_CACHE_COHERENCY
- Fix SMMU shutdown paths to avoid device unregistration race
- Error handling fix for Mediatek IOMMU driver
* tag 'iommu-fixes-v6.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe()
iommu/iova: Fix alloc iova overflows issue
iommu: Fix refcount leak in iommu_device_claim_dma_owner
iommu/arm-smmu-v3: Don't unregister on shutdown
iommu/arm-smmu: Don't unregister on shutdown
iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer
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Linus Torvalds
|
4f43ade45d |
memblock: always release pages to the buddy allocator in memblock_free_late()
If CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, memblock_free_pages()
only releases pages to the buddy allocator if they are not in the
deferred range. This is correct for free pages (as defined by
for_each_free_mem_pfn_range_in_zone()) because free pages in the
deferred range will be initialized and released as part of the deferred
init process. memblock_free_pages() is called by memblock_free_late(),
which is used to free reserved ranges after memblock_free_all() has
run. All pages in reserved ranges have been initialized at that point,
and accordingly, those pages are not touched by the deferred init
process. This means that currently, if the pages that
memblock_free_late() intends to release are in the deferred range, they
will never be released to the buddy allocator. They will forever be
reserved.
In addition, memblock_free_pages() calls kmsan_memblock_free_pages(),
which is also correct for free pages but is not correct for reserved
pages. KMSAN metadata for reserved pages is initialized by
kmsan_init_shadow(), which runs shortly before memblock_free_all().
For both of these reasons, memblock_free_pages() should only be called
for free pages, and memblock_free_late() should call __free_pages_core()
directly instead.
One case where this issue can occur in the wild is EFI boot on
x86_64. The x86 EFI code reserves all EFI boot services memory ranges
via memblock_reserve() and frees them later via memblock_free_late()
(efi_reserve_boot_services() and efi_free_boot_services(),
respectively). If any of those ranges happens to fall within the
deferred init range, the pages will not be released and that memory will
be unavailable.
For example, on an Amazon EC2 t3.micro VM (1 GB) booting via EFI:
v6.2-rc2:
Node 0, zone DMA
spanned 4095
present 3999
managed 3840
Node 0, zone DMA32
spanned 246652
present 245868
managed 178867
v6.2-rc2 + patch:
Node 0, zone DMA
spanned 4095
present 3999
managed 3840
Node 0, zone DMA32
spanned 246652
present 245868
managed 222816 # +43,949 pages
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Merge tag 'fixes-2023-01-14' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"memblock: always release pages to the buddy allocator in
memblock_free_late()
If CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, memblock_free_pages()
only releases pages to the buddy allocator if they are not in the
deferred range. This is correct for free pages (as defined by
for_each_free_mem_pfn_range_in_zone()) because free pages in the
deferred range will be initialized and released as part of the
deferred init process.
memblock_free_pages() is called by memblock_free_late(), which is used
to free reserved ranges after memblock_free_all() has run. All pages
in reserved ranges have been initialized at that point, and
accordingly, those pages are not touched by the deferred init process.
This means that currently, if the pages that memblock_free_late()
intends to release are in the deferred range, they will never be
released to the buddy allocator. They will forever be reserved.
In addition, memblock_free_pages() calls kmsan_memblock_free_pages(),
which is also correct for free pages but is not correct for reserved
pages. KMSAN metadata for reserved pages is initialized by
kmsan_init_shadow(), which runs shortly before memblock_free_all().
For both of these reasons, memblock_free_pages() should only be called
for free pages, and memblock_free_late() should call
__free_pages_core() directly instead.
One case where this issue can occur in the wild is EFI boot on x86_64.
The x86 EFI code reserves all EFI boot services memory ranges via
memblock_reserve() and frees them later via memblock_free_late()
(efi_reserve_boot_services() and efi_free_boot_services(),
respectively).
If any of those ranges happens to fall within the deferred init range,
the pages will not be released and that memory will be unavailable.
For example, on an Amazon EC2 t3.micro VM (1 GB) booting via EFI:
v6.2-rc2:
Node 0, zone DMA
spanned 4095
present 3999
managed 3840
Node 0, zone DMA32
spanned 246652
present 245868
managed 178867
v6.2-rc2 + patch:
Node 0, zone DMA
spanned 4095
present 3999
managed 3840
Node 0, zone DMA32
spanned 246652
present 245868
managed 222816 # +43,949 pages"
* tag 'fixes-2023-01-14' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
mm: Always release pages to the buddy allocator in memblock_free_late().
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Linus Torvalds
|
880ca43e5c |
kernel hardening fixes for v6.2-rc4
- Fix CFI hash randomization with KASAN (Sami Tolvanen) - Check size of coreboot table entry and use flex-array -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmPB6IwWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJgqhEACZc2ehC6DNc3JSQEbZ9H47FL6Z pnyNvi+ZkC+vxENjH6WMMjtwehWHiQJVcHNaK9eF9/7A3pq58axw3RyeeVbPmC3B E0bDjJqaknAKa9FtFdyCTXD0V1TmY/s+oHTZHUXohq9ctI+hJT3reTJ55Uo5jlyV 8aB2lvbg8Bch4BAmg7z8gd3208VL30Q3Go0mspmovYUXVCvnwe08SyROIoJZnE9+ m5IIRfVCNFrAda1DPfiNeqQcE2EnKhTT0ESwtZbQ0HS5z1zJRYjs8gaeY63iQTNn tR1mpP97RngzQ1jCfZP3dZIuYA1TLgz/px0WraYflrpnYpzJOl0XLiigXefU5lyL 7YtGb9xuu8TXMI2D+n52DlYXGRjc9I7zUMPg03y7sC4BnKX5eA6Qda4plP5kvxxp K9PSO91RkS+01nwvXCNs7ISkQ1YpayDyNxsiDIqmHx3po9QB5QniceAa5mIYR/ld v9QKzRhLELiq8cYdu+fgfSOEaY8q9+/k+kEHakfsrXoLaiK2RVw4Y++S6Fh1QIy4 R8DHdhd8j33Yws96xRhI2P+g5mVzDpdEN1TtskdO5WjefCT83R84qqJsEaklVTrI AQDSweQfF+hc+B1PkDRbCgiLeSUnPfxzwdSoy35fc9/qg/JnoQMHFrkJB2Xn2+hv KaFfgM93f1CbCW/KDg== =KwzM -----END PGP SIGNATURE----- Merge tag 'hardening-v6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull kernel hardening fixes from Kees Cook: - Fix CFI hash randomization with KASAN (Sami Tolvanen) - Check size of coreboot table entry and use flex-array * tag 'hardening-v6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: kbuild: Fix CFI hash randomization with KASAN firmware: coreboot: Check size of table entry and use flex-array |
||
|
Linus Torvalds
|
8b7be52f3f |
modules-6.2-rc4
Just one fix for modules by Nick. -----BEGIN PGP SIGNATURE----- iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmPB5S4SHG1jZ3JvZkBr ZXJuZWwub3JnAAoJEM4jHQowkoin0OUQALx+uch7cZvl3aznH4CAkF1U2mKuESLT unQsnSlxIF0BETTAdPbhcCVEtKi102Xq4R6ffCSilB33b0IGM6qY6ZUQb/GMGhg5 qIur7EDiFksjCBmBuE1iNaAknkiKeirkJTEC4lEOl8OLXprmnuMeeR+E0BDi5sH3 YIxexLuhyKeF9Ke4bjAJ7A4WKvh2R7yamISCUcP6GL3w7U9urSjo9FHKcUmFH9nr qCX/1zE0fz7iJzb9YtBNVhdgKNOYNOxa7TDNXQCVuLcZQfmQqDMBVgKdOkj6TAWX 6L2CHT4N9IjPt9+DrlEUf6bSSwP4N4aFdyMAo6UlVXcgvEbTS/kdoMSqFOAQSAdb G/lzsvS3fD76VcCdZkwAFYnEhUTJ4xWTS0oaI++tu0EFX5lvRuQv2DRt0WULlD/u L0paUwmjtVajcSIATxRZkjoMiVD4btDRz30kaIUU/xoc1Gg/EADrSLHESaZ9eZVL EJ40aqLLIRBXGZrVEzvf97HIzuQiKfaPzywNvbMpxG3m0tV2pn3Z4ts/A8aO7c+O mBDnTURiZN6pT+xsnJBvqWrlXwPRUGwI+NjRcdPZhUyfgj5MHpEI8PAcUWy6TTUn H2P6x2iC3/nypqhnwjoixSptjaUWcak3R6UgwVS2YqfjePCqaq0wg9DAFDQH0Yx3 awAOoum0Ubin =aa3U -----END PGP SIGNATURE----- Merge tag 'modules-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux Pull module fix from Luis Chamberlain: "Just one fix for modules by Nick" * tag 'modules-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux: kallsyms: Fix scheduling with interrupts disabled in self-test |
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|
Linus Torvalds
|
b35ad63eec |
7 smb3 client fixes
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||
|
Linus Torvalds
|
8e76813085 |
SCSI fixes on 20230114
Two minor fixes in the hisi_sas driver which only impact enterprise style multi-expander and shared disk situations and no core changes. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCY8KxpSYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishRAlAP9cQmiq M8WGimymqulRFEpkWpDM1R06eqHDI2K0h5/rfAD+KlgS0cOVvx0nenWyhmprYvDX 2Z239J+WXOjSJq8UJL4= =gMQX -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two minor fixes in the hisi_sas driver which only impact enterprise style multi-expander and shared disk situations and no core changes" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: hisi_sas: Set a port invalid only if there are no devices attached when refreshing port id scsi: hisi_sas: Use abort task set to reset SAS disks when discovered |
||
|
Linus Torvalds
|
34cbf89afc |
ATA fixes for 6.2-rc4
A single fix for rc4 to prevent building the pata_cs5535 driver with user mode linux as it uses msr operations that are not defined with UML. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCY8HnowAKCRDdoc3SxdoY dmDWAPwKMUiDzFSkeD7zfKGwCd72HWUa1298yL+XnD8Y7vLBtgEAqhYi9fAnVnN0 dUHm12rEwFOay+lVwxWuQowFaVmzGAs= =RXSo -----END PGP SIGNATURE----- Merge tag 'ata-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata Pull ATA fix from Damien Le Moal: "A single fix to prevent building the pata_cs5535 driver with user mode linux as it uses msr operations that are not defined with UML" * tag 'ata-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: ata: pata_cs5535: Don't build on UML |
||
|
Linus Torvalds
|
97ec4d559d |
block-6.2-2023-01-13
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||
|
Linus Torvalds
|
2ce7592df9 |
io_uring-6.2-2023-01-13
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Merge tag 'io_uring-6.2-2023-01-13' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"A fix for a regression that happened last week, rest is fixes that
will be headed to stable as well. In detail:
- Fix for a regression added with the leak fix from last week (me)
- In writing a test case for that leak, inadvertently discovered a
case where we a poll request can race. So fix that up and mark it
for stable, and also ensure that fdinfo covers both the poll tables
that we have. The latter was an oversight when the split poll table
were added (me)
- Fix for a lockdep reported issue with IOPOLL (Pavel)"
* tag 'io_uring-6.2-2023-01-13' of git://git.kernel.dk/linux:
io_uring: lock overflowing for IOPOLL
io_uring/poll: attempt request issue after racy poll wakeup
io_uring/fdinfo: include locked hash table in fdinfo output
io_uring/poll: add hash if ready poll request can't complete inline
io_uring/io-wq: only free worker if it was allocated for creation
|
||
|
Linus Torvalds
|
9e058c2952 |
pci-v6.2-fixes-1
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||
Sami Tolvanen
|
42633ed852 |
kbuild: Fix CFI hash randomization with KASAN
Clang emits a asan.module_ctor constructor to each object file when KASAN is enabled, and these functions are indirectly called in do_ctors. With CONFIG_CFI_CLANG, the compiler also emits a CFI type hash before each address-taken global function so they can pass indirect call checks. However, in commit |
||
Kees Cook
|
3b293487b8 |
firmware: coreboot: Check size of table entry and use flex-array
The memcpy() of the data following a coreboot_table_entry couldn't be evaluated by the compiler under CONFIG_FORTIFY_SOURCE. To make it easier to reason about, add an explicit flexible array member to struct coreboot_device so the entire entry can be copied at once. Additionally, validate the sizes before copying. Avoids this run-time false positive warning: memcpy: detected field-spanning write (size 168) of single field "&device->entry" at drivers/firmware/google/coreboot_table.c:103 (size 8) Reported-by: Paul Menzel <pmenzel@molgen.mpg.de> Link: https://lore.kernel.org/all/03ae2704-8c30-f9f0-215b-7cdf4ad35a9a@molgen.mpg.de/ Cc: Jack Rosenthal <jrosenth@chromium.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Julius Werner <jwerner@chromium.org> Cc: Brian Norris <briannorris@chromium.org> Cc: Stephen Boyd <swboyd@chromium.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> Link: https://lore.kernel.org/r/20230107031406.gonna.761-kees@kernel.org Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Jack Rosenthal <jrosenth@chromium.org> Link: https://lore.kernel.org/r/20230112230312.give.446-kees@kernel.org |
||
Nicholas Piggin
|
da35048f26 |
kallsyms: Fix scheduling with interrupts disabled in self-test
kallsyms_on_each* may schedule so must not be called with interrupts
disabled. The iteration function could disable interrupts, but this
also changes lookup_symbol() to match the change to the other timing
code.
Reported-by: Erhard F. <erhard_f@mailbox.org>
Link: https://lore.kernel.org/all/bug-216902-206035@https.bugzilla.kernel.org%2F/
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/oe-lkp/202212251728.8d0872ff-oliver.sang@intel.com
Fixes:
|
||
Peter Foley
|
22eebaa631 |
ata: pata_cs5535: Don't build on UML
This driver uses MSR functions that aren't implemented under UML. Avoid building it to prevent tripping up allyesconfig. e.g. /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x3a3): undefined reference to `__tracepoint_read_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x3d2): undefined reference to `__tracepoint_write_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x457): undefined reference to `__tracepoint_write_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x481): undefined reference to `do_trace_write_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x4d5): undefined reference to `do_trace_write_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x4f5): undefined reference to `do_trace_read_msr' /usr/lib/gcc/x86_64-pc-linux-gnu/12/../../../../x86_64-pc-linux-gnu/bin/ld: pata_cs5535.c:(.text+0x51c): undefined reference to `do_trace_write_msr' Signed-off-by: Peter Foley <pefoley2@pefoley.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> |
||
|
Linus Torvalds
|
92783a90bc |
ARM:
* Fix the PMCR_EL0 reset value after the PMU rework
* Correctly handle S2 fault triggered by a S1 page table walk
by not always classifying it as a write, as this breaks on
R/O memslots
* Document why we cannot exit with KVM_EXIT_MMIO when taking
a write fault from a S1 PTW on a R/O memslot
* Put the Apple M2 on the naughty list for not being able to
correctly implement the vgic SEIS feature, just like the M1
before it
* Reviewer updates: Alex is stepping down, replaced by Zenghui
x86:
* Fix various rare locking issues in Xen emulation and teach lockdep
to detect them
* Documentation improvements
* Do not return host topology information from KVM_GET_SUPPORTED_CPUID
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix the PMCR_EL0 reset value after the PMU rework
- Correctly handle S2 fault triggered by a S1 page table walk by not
always classifying it as a write, as this breaks on R/O memslots
- Document why we cannot exit with KVM_EXIT_MMIO when taking a write
fault from a S1 PTW on a R/O memslot
- Put the Apple M2 on the naughty list for not being able to
correctly implement the vgic SEIS feature, just like the M1 before
it
- Reviewer updates: Alex is stepping down, replaced by Zenghui
x86:
- Fix various rare locking issues in Xen emulation and teach lockdep
to detect them
- Documentation improvements
- Do not return host topology information from KVM_GET_SUPPORTED_CPUID"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/xen: Avoid deadlock by adding kvm->arch.xen.xen_lock leaf node lock
KVM: Ensure lockdep knows about kvm->lock vs. vcpu->mutex ordering rule
KVM: x86/xen: Fix potential deadlock in kvm_xen_update_runstate_guest()
KVM: x86/xen: Fix lockdep warning on "recursive" gpc locking
Documentation: kvm: fix SRCU locking order docs
KVM: x86: Do not return host topology information from KVM_GET_SUPPORTED_CPUID
KVM: nSVM: clarify recalc_intercepts() wrt CR8
MAINTAINERS: Remove myself as a KVM/arm64 reviewer
MAINTAINERS: Add Zenghui Yu as a KVM/arm64 reviewer
KVM: arm64: vgic: Add Apple M2 cpus to the list of broken SEIS implementations
KVM: arm64: Convert FSC_* over to ESR_ELx_FSC_*
KVM: arm64: Document the behaviour of S1PTW faults on RO memslots
KVM: arm64: Fix S1PTW handling on RO memslots
KVM: arm64: PMU: Fix PMCR_EL0 reset value
|
||
Mateusz Guzik
|
f5fe24ef17 |
lockref: stop doing cpu_relax in the cmpxchg loop
On the x86-64 architecture even a failing cmpxchg grants exclusive
access to the cacheline, making it preferable to retry the failed op
immediately instead of stalling with the pause instruction.
To illustrate the impact, below are benchmark results obtained by
running various will-it-scale tests on top of the 6.2-rc3 kernel and
Cascade Lake (2 sockets * 24 cores * 2 threads) CPU.
All results in ops/s. Note there is some variance in re-runs, but the
code is consistently faster when contention is present.
open3 ("Same file open/close"):
proc stock no-pause
1 805603 814942 (+%1)
2 1054980 1054781 (-0%)
8 1544802 1822858 (+18%)
24 1191064 2199665 (+84%)
48 851582 1469860 (+72%)
96 609481 1427170 (+134%)
fstat2 ("Same file fstat"):
proc stock no-pause
1 3013872 3047636 (+1%)
2 4284687 4400421 (+2%)
8 3257721 5530156 (+69%)
24 2239819 5466127 (+144%)
48 1701072 5256609 (+209%)
96
|
||
Bjorn Helgaas
|
fd3a8cff4d |
x86/pci: Treat EfiMemoryMappedIO as reservation of ECAM space
Normally we reject ECAM space unless it is reported as reserved in the E820 table or via a PNP0C02 _CRS method (PCI Firmware, r3.3, sec 4.1.2). |
||
|
Linus Torvalds
|
0bf913e07b |
First batch of EFI fixes for v6.2:
- avoid a potential crash on the efi_subsys_init() error path - use more appropriate error code for runtime services calls issued after a crash in the firmware occurred - avoid READ_ONCE() for accessing firmware tables that may appear misaligned in memory -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE+9lifEBpyUIVN1cpw08iOZLZjyQFAmPBg68ACgkQw08iOZLZ jyQs5Qv+PVg06BhEqN+vwNQy6vd4ezTxmDAy7yx751mo3HIw0qT0ohsCIpRydq0c +qlCXa+Uu/yr/IQplfDT9vY+MEwD9iuwJha8ltGRWM3++yEF4uQXowHDoEKsO84l 5PaC37EfOvHmV6UdFdIF0OYDOcRvX2FsIbmUKRyvIav1e+QRLvUWWKKEmAh04c7G yNc0837kmoOpjKrYPc8j2n3dVUbhrFUW5eLIFmd8yrR+GRu6Ae5RH3J7iF7Nqtrq oReYYq3XpmYg8c00WV0NKVuB0DK7fhGY7jcbDfLmTrPwqVzLjxQGecxsQPYnqrJd mZywkm2fM8KIJy2LQDJOVOZaDAzaC2SkrpELHX/MnPK1UrP561AIv/sXK+3+UBEm b6m5dHbJgaifKP3kkbc9Cy4f9avLJOdjdXH5f5zPe7it54yHLsacEvjT6M2oiunx zIvTd/MXi24J+tzgxr08KM5wHXgLGh+fUM7BfZTvEVQmUjY8TnIPjsaAJhTS3jzV TN3/XAWi =4LbF -----END PGP SIGNATURE----- Merge tag 'efi-fixes-for-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI fixes from Ard Biesheuvel: - avoid a potential crash on the efi_subsys_init() error path - use more appropriate error code for runtime services calls issued after a crash in the firmware occurred - avoid READ_ONCE() for accessing firmware tables that may appear misaligned in memory * tag 'efi-fixes-for-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi: tpm: Avoid READ_ONCE() for accessing the event log efi: rt-wrapper: Add missing include efi: fix userspace infinite retry read efivars after EFI runtime services page fault efi: fix NULL-deref in init error path |
||
|
Linus Torvalds
|
40d92fc4fa |
Three documentation fixes (or rather two and one warning):
- Sphinx 6.0 broke our configuration mechanism, so fix it. - I broke our configuration for non-Alabaster themes; Akira fixed it. - Deprecate Sphinx < 2.4 with an eye toward future removal -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAmPBhWwPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5Y+i8IAJCd8qgopxIcmzif8ncsrZFIdk3FBd4INCU3 gEr5IBQN10Fm3es8FcWQPhX8nqFzlyG9GyjNSEfZpKYF9y3zWx9l5xOD0f6Ki6F4 HEaBcP11zQCSbrdZMR2in7fW+SNqIjJ+srDLrLkG2d4il6IbbSwx121pjPxJgHkK Y4Sj4Aa3fm5m5JzqArc8/IQRl6ewrfCuGXGh2RdunMzdf22Q2vMdIzEfhyilV1Cg FSXttLDTq5huRSBv8PYaMJnpx2mMn+si8c5mFcNV6oDP+VG4m2rBw4kYQk6q0rU2 xJFnbh7oThKyQ955k+sxJYoSxq9Fd5lXX/3d+HtqSvvC/WAP8gY= =ttzZ -----END PGP SIGNATURE----- Merge tag 'docs-6.2-fixes' of git://git.lwn.net/linux Pull documentation fixes from Jonathan Corbet: "Three documentation fixes (or rather two and one warning): - Sphinx 6.0 broke our configuration mechanism, so fix it - I broke our configuration for non-Alabaster themes; Akira fixed it - Deprecate Sphinx < 2.4 with an eye toward future removal" * tag 'docs-6.2-fixes' of git://git.lwn.net/linux: docs/conf.py: Use about.html only in sidebar of alabaster theme docs: Deprecate use of Sphinx < 2.4.x docs: Fix the docs build with Sphinx 6.0 |
||
Ard Biesheuvel
|
d3f450533b |
efi: tpm: Avoid READ_ONCE() for accessing the event log
Nathan reports that recent kernels built with LTO will crash when doing EFI boot using Fedora's GRUB and SHIM. The culprit turns out to be a misaligned load from the TPM event log, which is annotated with READ_ONCE(), and under LTO, this gets translated into a LDAR instruction which does not tolerate misaligned accesses. Interestingly, this does not happen when booting the same kernel straight from the UEFI shell, and so the fact that the event log may appear misaligned in memory may be caused by a bug in GRUB or SHIM. However, using READ_ONCE() to access firmware tables is slightly unusual in any case, and here, we only need to ensure that 'event' is not dereferenced again after it gets unmapped, but this is already taken care of by the implicit barrier() semantics of the early_memunmap() call. Cc: <stable@vger.kernel.org> Cc: Peter Jones <pjones@redhat.com> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Reported-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Link: https://github.com/ClangBuiltLinux/linux/issues/1782 Signed-off-by: Ard Biesheuvel <ardb@kernel.org> |
||
Pavel Begunkov
|
544d163d65 |
io_uring: lock overflowing for IOPOLL
syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at io_uring/io_uring.c:734 io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 CPU: 0 PID: 28 Comm: kworker/u4:1 Not tainted 6.2.0-rc3-syzkaller-16369-g358a161a6a9e #0 Workqueue: events_unbound io_ring_exit_work Call trace: io_cqring_event_overflow+0x1c0/0x230 io_uring/io_uring.c:734 io_req_cqe_overflow+0x5c/0x70 io_uring/io_uring.c:773 io_fill_cqe_req io_uring/io_uring.h:168 [inline] io_do_iopoll+0x474/0x62c io_uring/rw.c:1065 io_iopoll_try_reap_events+0x6c/0x108 io_uring/io_uring.c:1513 io_uring_try_cancel_requests+0x13c/0x258 io_uring/io_uring.c:3056 io_ring_exit_work+0xec/0x390 io_uring/io_uring.c:2869 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 There is no real problem for normal IOPOLL as flush is also called with uring_lock taken, but it's getting more complicated for IOPOLL|SQPOLL, for which __io_cqring_overflow_flush() happens from the CQ waiting path. Reported-and-tested-by: syzbot+6805087452d72929404e@syzkaller.appspotmail.com Cc: stable@vger.kernel.org # 5.10+ Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Linus Torvalds
|
689968db7b |
sound fixes for 6.2-rc4
This became a slightly big update, but it's more or less expected, as the first batch after holidays. All changes (but for the last two last-minute fixes) have been stewed in linux-next long enough, so it's fairly safe to take. - PCM UAF fix in 32bit compat layer - ASoC board-specific fixes for Intel, AMD, Medathek, Qualcomm - SOF power management fixes - ASoC Intel link failure fixes - A series of fixes for USB-audio regressions - CS35L41 HD-audio codec regression fixes - HD-audio device-specific fixes / quirks Note that one SPI patch has been taken in ASoC subtree mistakenly, and the same fix is found in spi tree, but it should be OK to apply. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmPBZIsOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE/LEQ//XLbjI0EnjdpBgYRMocykaI2Y3n+72rncfTwQ FX8mtGtVpBsOp6LCQhJX/0A5B+NcBRk1atyJRsuaAuWxC298jZPMQaSBjlHiP56f 3IcV67gBM5Ve3JwttjF3AtveQPHe+pYh0RRy9HHd4qEEPpO+JdTwHbex+5Xnf3Qq jLDPwtrC5fd/Q38mfs881yoRLmnq3OppHJ630SklJBmdjuvVjHhXinOaDY5KBR42 /ewf946RKJFUpz0w72Hl4Kaw6kQ1HWb2kef+RZmdSp49EmUXyVmi9mxSSBJlDV0f QueZlvcZj+Hm6cAw1Kt6pSpShDJO/LwuCuRTaiprBYq+SbCSxaq2mWz0vzyGx8un U9QmLK4FRtPsZm3SPfVfDpROXc7ovydMOvOzFF6uRou/UdJZLnQYXmFTV5gphREa jSaekWqQhrV53LTYBFn38PDfq+xLEeBx7VsYBOLUHyR7QX2rdpRpLc9XJkgLy5tJ xozwrQFNdAvynfPGwBPBUAuWQOvRnuj0W9QIUmA4U2mxwvCbNGJETkI46/Wzixx0 C7n6JA6bc8rBsWHWXefGaabUaCqnBrPKxVqThYLJy05FUh58SP85Xo+k780CRQT7 tLMw2P7sJ1KKlvrVrmCqA2DlsraRT2pBcQEghKmfgded31/3PxAylhPuNO+E1QxP Eq2uo2g= =PKWN -----END PGP SIGNATURE----- Merge tag 'sound-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "This became a slightly big update, but it's more or less expected, as the first batch after holidays. All changes (but for the last two last-minute fixes) have been stewed in linux-next long enough, so it's fairly safe to take: - PCM UAF fix in 32bit compat layer - ASoC board-specific fixes for Intel, AMD, Medathek, Qualcomm - SOF power management fixes - ASoC Intel link failure fixes - A series of fixes for USB-audio regressions - CS35L41 HD-audio codec regression fixes - HD-audio device-specific fixes / quirks Note that one SPI patch has been taken in ASoC subtree mistakenly, and the same fix is found in spi tree, but it should be OK to apply" * tag 'sound-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (39 commits) ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate() ALSA: hda/realtek: Enable mute/micmute LEDs on HP Spectre x360 13-aw0xxx ASoC: fsl-asoc-card: Fix naming of AC'97 CODEC widgets ASoC: fsl_ssi: Rename AC'97 streams to avoid collisions with AC'97 CODEC ALSA: hda/hdmi: Add a HP device 0x8715 to force connect list ALSA: control-led: use strscpy in set_led_id() ALSA: usb-audio: Always initialize fixed_rate in snd_usb_find_implicit_fb_sync_format() ASoC: dt-bindings: qcom,lpass-tx-macro: correct clocks on SC7280 ASoC: dt-bindings: qcom,lpass-wsa-macro: correct clocks on SM8250 ASoC: qcom: Fix building APQ8016 machine driver without SOUNDWIRE ALSA: hda: cs35l41: Check runtime suspend capability at runtime_idle ALSA: hda: cs35l41: Don't return -EINVAL from system suspend/resume ASoC: fsl_micfil: Correct the number of steps on SX controls ALSA: hda/realtek: fix mute/micmute LEDs don't work for a HP platform Revert "ALSA: usb-audio: Drop superfluous interface setup at parsing" ALSA: usb-audio: More refactoring of hw constraint rules ALSA: usb-audio: Relax hw constraints for implicit fb sync ALSA: usb-audio: Make sure to stop endpoints before closing EPs ALSA: hda - Enable headset mic on another Dell laptop with ALC3254 ... |
||
|
Linus Torvalds
|
d863f0539b |
Power management fixes for 6.2-rc4
- Fix cpufreq policy reference counting in amd-pstate to prevent it
from crashing on removal (Perry Yuan).
- Fix double initialization and set suspend-freq for Apple's cpufreq
driver (Arnd Bergmann, Hector Martin).
- Fix reading of "reg" property, update cpufreq-dt's blocklist and
update DT documentation for Qualcomm's cpufreq driver (Konrad Dybcio,
Krzysztof Kozlowski).
- Replace 0 with NULL in the Armada cpufreq driver (Miles Chen).
- Fix potential overflows in the CPPC cpufreq driver (Pierre Gondois).
- Update blocklist for the Tegra234 Soc cpufreq driver (Sumit Gupta).
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Merge tag 'pm-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix assorted issues in the ARM cpufreq drivers and in the AMD
P-state driver.
Specifics:
- Fix cpufreq policy reference counting in amd-pstate to prevent it
from crashing on removal (Perry Yuan)
- Fix double initialization and set suspend-freq for Apple's cpufreq
driver (Arnd Bergmann, Hector Martin)
- Fix reading of "reg" property, update cpufreq-dt's blocklist and
update DT documentation for Qualcomm's cpufreq driver (Konrad
Dybcio, Krzysztof Kozlowski)
- Replace 0 with NULL in the Armada cpufreq driver (Miles Chen)
- Fix potential overflows in the CPPC cpufreq driver (Pierre Gondois)
- Update blocklist for the Tegra234 Soc cpufreq driver (Sumit Gupta)"
* tag 'pm-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: amd-pstate: fix kernel hang issue while amd-pstate unregistering
cpufreq: armada-37xx: stop using 0 as NULL pointer
cpufreq: apple-soc: Switch to the lowest frequency on suspend
dt-bindings: cpufreq: cpufreq-qcom-hw: document interrupts
cpufreq: Add SM6375 to cpufreq-dt-platdev blocklist
cpufreq: Add Tegra234 to cpufreq-dt-platdev blocklist
cpufreq: qcom-hw: Fix reading "reg" with address/size-cells != 2
cpufreq: CPPC: Add u64 casts to avoid overflowing
cpufreq: apple: remove duplicate intializer
|
||
|
Linus Torvalds
|
cdbbca256c |
ACPI fixes for 6.2-rc4
- Improve ACPI companion lookup for backlight devices in the cases when
there is more than one candidate ACPI device object (Hans de Goede).
- Add missing support for manual selection of NVidia-WMI-EC or Apple
GMUX backlight in the kernel command line to the ACPI backlight
driver (Hans de Goede).
- Skip ACPI IRQ override on Asus Expertbook B2402CBA (Tamim Khan).
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Merge tag 'acpi-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These add one more ACPI IRQ override quirk, improve ACPI companion
lookup for backlight devices and add missing kernel command line
option values for backlight detection.
Specifics:
- Improve ACPI companion lookup for backlight devices in the cases
when there is more than one candidate ACPI device object (Hans de
Goede)
- Add missing support for manual selection of NVidia-WMI-EC or Apple
GMUX backlight in the kernel command line to the ACPI backlight
driver (Hans de Goede)
- Skip ACPI IRQ override on Asus Expertbook B2402CBA (Tamim Khan)"
* tag 'acpi-6.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: Fix selecting wrong ACPI fwnode for the iGPU on some Dell laptops
ACPI: video: Allow selecting NVidia-WMI-EC or Apple GMUX backlight from the cmdline
ACPI: resource: Skip IRQ override on Asus Expertbook B2402CBA
|
||
|
Linus Torvalds
|
0d0833e039 |
platform-drivers-x86 for v6.2-2
A small set of assorted fixes and hardware-id additions for 6.2. The following is an automated git shortlog grouped by driver: asus-nb-wmi: - Add alternate mapping for KEY_SCREENLOCK - Add alternate mapping for KEY_CAMERA asus-wmi: - Don't load fan curves without fan - Ignore fan on E410MA - Add quirk wmi_ignore_fan dell-privacy: - Only register SW_CAMERA_LENS_COVER if present - Fix SW_CAMERA_LENS_COVER reporting ideapad-laptop: - Add Legion 5 15ARH05 DMI id to set_fn_lock_led_list[] int3472/discrete: - Ensure the clk/power enable pins are in output mode intel/pmc/core: - Add Meteor Lake mobile support platform/surface: - aggregator: Add missing call to ssam_request_sync_free() - aggregator: Ignore command messages not intended for us platform/x86/amd: - Fix refcount leak in amd_pmc_probe simatic-ipc: - add another model - correct name of a model sony-laptop: - Don't turn off 0x153 keyboard backlight during probe thinkpad_acpi: - Fix profile mode display in AMT mode touchscreen_dmi: - Add info for the CSL Panther Tab HD -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmPBN78UHGhkZWdvZWRl QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9yQ7AgAuKK+TDlru+rup5PSvUBiRddYX8VI U+cJokT9sp748zau+S7zy+1PDYtAnaXbV6wf6/YwANq6Pw9aI9MCMFyc2iXzIDCW fp6d8xvow5XuWG/cK3rggl3WxzInyE2rcSI5epQPV9ylZSOPSPI8CKug/68I2L7W kohws/18ujOU4J5Y8ATH1jY3t8Zx+uA7sdU/Oo6hiA4Xen1qrABCSgcGgWNqxfqb C6tk1kF5agLmvR5I7Y0bDh1EHeN1CALPjl8MibEyYFldASLxmCYogx4bGDQBf0Qm XFZ5MxLdFbHDFXiyaKh+RNW2uHzbJV3rXYVOyUy2eXahBRGj+yoFwDK8Zw== =tB+M -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: "A set of assorted fixes and hardware-id additions" * tag 'platform-drivers-x86-v6.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode platform/x86: int3472/discrete: Ensure the clk/power enable pins are in output mode platform/x86/amd: Fix refcount leak in amd_pmc_probe platform/x86: intel/pmc/core: Add Meteor Lake mobile support platform/x86: simatic-ipc: add another model platform/x86: simatic-ipc: correct name of a model platform/x86: dell-privacy: Only register SW_CAMERA_LENS_COVER if present platform/x86: dell-privacy: Fix SW_CAMERA_LENS_COVER reporting platform/x86: asus-wmi: Don't load fan curves without fan platform/x86: asus-wmi: Ignore fan on E410MA platform/x86: asus-wmi: Add quirk wmi_ignore_fan platform/x86: asus-nb-wmi: Add alternate mapping for KEY_SCREENLOCK platform/x86: asus-nb-wmi: Add alternate mapping for KEY_CAMERA platform/surface: aggregator: Add missing call to ssam_request_sync_free() platform/surface: aggregator: Ignore command messages not intended for us platform/x86: touchscreen_dmi: Add info for the CSL Panther Tab HD platform/x86: ideapad-laptop: Add Legion 5 15ARH05 DMI id to set_fn_lock_led_list[] platform/x86: sony-laptop: Don't turn off 0x153 keyboard backlight during probe |
||
|
Linus Torvalds
|
ff5ebafd51 |
drm fixes for 6.2-rc4
buddy: - benchmark regression fix for top-down buddy allocation panel: - add Lenovo panel orientation quirk ttm: - fix kernel oops regression amdgpu: - fix missing fence references - fix missing pipeline sync fencing - SMU13 fan speed fix - SMU13 fix power cap handling - SMU13 BACO fix - Fix a possible segfault in bo validation error case - Delay removal of firmware framebuffer - Fix error when unloading amdkfd: - SVM fix when clearing vram - GC11 fix for multi-GPU i915: - Reserve enough fence slot for i915_vma_unbind_vsync - Fix potential use after free - Reset engines twice in case of reset failure - Use multi-cast registers for SVG Unit registers msm: - display: - doc warning fixes - dt attribs cleanups - memory leak fix - error handing in hdmi probe fix - dp_aux_isr incorrect signalling fix - shutdown path fix - accel: - a5xx: fix quirks to be a bitmask - a6xx: fix gx halt to avoid 1s hang - kexec shutdown fix - fix potential double free vmwgfx: - drop rcu usage to make code more robust virtio: - fix use-after-free in gem handle code nouveau: - drop unused nouveau_fbcon.c -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmPA5skACgkQDHTzWXnE hr69GA/8CgYwN/4vWDiQ+p4rX6muw0gicxKmfJZLxt8BFnQSSjESWZ6/L201JeZT dl34SdZ++rx8yYLeoJKHKocyvMIj9goHeGdNkeyhaoZvlfPVf0sAMNjYfysIvcGk s4HoLoXgzH8SCO2dp2MgOstJNncZNSZrH13b3UkgqQuB+VrL+pGx3qJM7z9Khe1j vtgpBStgFIlkvDYHuTJDsn0X4E543EBs54U4g/Jc3WcnQwtRycUhXmkFDOtwkM/d bwghisms6P+OvSAMdU2JWDwYLe/87zeXklKZqJzWpbrcB1iZPF/L2B40CuSXidj+ cXjNbWlwm0Yn6ytHMXp7+3bV6VTvDFmI+1uabXVH0wn8UIxX9WoKJeW7JgYnveXU FG4Un/PhILeRxZa3jRNJVhPPq4JWjoINJvVmwSMMZdKT9x5MvdfHy+gsCpP6Ojjy ++MjslROZE0ciYPmwG2WPsmwylV00aztdIcNHzXZp4tX79hGw6cOfFjH9rfUUqJv W52WVQnJ+JHv3BgFCyqXReUdSkXT39J3c54L1E9rK+OpVvc1i2gEN+eTVoNp1Vwn 4Gyb8MPKj//NxaUNwpEDfBRp6scd553xz5K+0SPBNB+G/XnRxoPT8jz0/ivpYGDd WB73KZbvxRz2vzyy+biuEctyVTDlKDNM3UADW83eFspxHNthX28= =OCT2 -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2023-01-13' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "There is a bit of a post-holiday build up here I expect, small fixes across the board, amdgpu and msm being the main leaders, with others having a few. One code removal patch for nouveau: buddy: - benchmark regression fix for top-down buddy allocation panel: - add Lenovo panel orientation quirk ttm: - fix kernel oops regression amdgpu: - fix missing fence references - fix missing pipeline sync fencing - SMU13 fan speed fix - SMU13 fix power cap handling - SMU13 BACO fix - Fix a possible segfault in bo validation error case - Delay removal of firmware framebuffer - Fix error when unloading amdkfd: - SVM fix when clearing vram - GC11 fix for multi-GPU i915: - Reserve enough fence slot for i915_vma_unbind_vsync - Fix potential use after free - Reset engines twice in case of reset failure - Use multi-cast registers for SVG Unit registers msm: - display: - doc warning fixes - dt attribs cleanups - memory leak fix - error handing in hdmi probe fix - dp_aux_isr incorrect signalling fix - shutdown path fix - accel: - a5xx: fix quirks to be a bitmask - a6xx: fix gx halt to avoid 1s hang - kexec shutdown fix - fix potential double free vmwgfx: - drop rcu usage to make code more robust virtio: - fix use-after-free in gem handle code nouveau: - drop unused nouveau_fbcon.c" * tag 'drm-fixes-2023-01-13' of git://anongit.freedesktop.org/drm/drm: (35 commits) drm: Optimize drm buddy top-down allocation method drm/ttm: Fix a regression causing kernel oops'es drm/i915/gt: Cover rest of SVG unit MCR registers drm/nouveau: Remove file nouveau_fbcon.c drm/amdkfd: Fix NULL pointer error for GC 11.0.1 on mGPU drm/amd/pm/smu13: BACO is supported when it's in BACO state drm/amdkfd: Add sync after creating vram bo drm/i915/gt: Reset twice drm/amdgpu: fix pipeline sync v2 drm/vmwgfx: Remove rcu locks from user resources drm/virtio: Fix GEM handle creation UAF drm/amdgpu: Fixed bug on error when unloading amdgpu drm/amd: Delay removal of the firmware framebuffer drm/amdgpu: Fix potential NULL dereference drm/i915: Fix potential context UAFs drm/i915: Reserve enough fence slot for i915_vma_unbind_async drm: Add orientation quirk for Lenovo ideapad D330-10IGL drm/msm/a6xx: Avoid gx gbit halt during rpm suspend drm/msm/adreno: Make adreno quirks not overwrite each other drm/msm: another fix for the headless Adreno GPU ... |
||
Clement Lecigne
|
56b88b5056 |
ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
Takes rwsem lock inside snd_ctl_elem_read instead of snd_ctl_elem_read_user
like it was done for write in commit
|
||
|
Linus Torvalds
|
d45b832d6f |
arm64 fixes for -rc4
- Fix PAGE_TABLE_CHECK failures on hugepage splitting path
- Fix PSCI encoding of MEM_PROTECT_RANGE function in UAPI header
- Fix NULL deref when accessing debugfs node if PSCI is not present
- Fix MTE core dumping when VMA list is being updated concurrently
- Fix SME signal frame handling when SVE is not implemented by the CPU
- Fix asm constraints for cmpxchg_double() to hazard both words
- Fix build failure with stack tracer and older versions of Clang
- Bring back workaround for Cortex-A715 erratum 2645198
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Here's a sizeable batch of Friday the 13th arm64 fixes for -rc4. What
could possibly go wrong?
The obvious reason we have so much here is because of the holiday
season right after the merge window, but we've also brought back an
erratum workaround that was previously dropped at the last minute and
there's an MTE coredumping fix that strays outside of the arch/arm64
directory.
Summary:
- Fix PAGE_TABLE_CHECK failures on hugepage splitting path
- Fix PSCI encoding of MEM_PROTECT_RANGE function in UAPI header
- Fix NULL deref when accessing debugfs node if PSCI is not present
- Fix MTE core dumping when VMA list is being updated concurrently
- Fix SME signal frame handling when SVE is not implemented by the
CPU
- Fix asm constraints for cmpxchg_double() to hazard both words
- Fix build failure with stack tracer and older versions of Clang
- Bring back workaround for Cortex-A715 erratum 2645198"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Fix build with CC=clang, CONFIG_FTRACE=y and CONFIG_STACK_TRACER=y
arm64/mm: Define dummy pud_user_exec() when using 2-level page-table
arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption
firmware/psci: Don't register with debugfs if PSCI isn't available
firmware/psci: Fix MEM_PROTECT_RANGE function numbers
arm64/signal: Always allocate SVE signal frames on SME only systems
arm64/signal: Always accept SVE signal frames on SME only systems
arm64/sme: Fix context switch for SME only systems
arm64: cmpxchg_double*: hazard against entire exchange variable
arm64/uprobes: change the uprobe_opcode_t typedef to fix the sparse warning
arm64: mte: Avoid the racy walk of the vma list during core dump
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
arm64: mte: Fix double-freeing of the temporary tag storage during coredump
arm64: ptrace: Use ARM64_SME to guard the SME register enumerations
arm64/mm: add pud_user_exec() check in pud_user_accessible_page()
arm64/mm: fix incorrect file_map_count for invalid pmd
|
||
Christophe JAILLET
|
142e821f68 |
iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe()
A clk, prepared and enabled in mtk_iommu_v1_hw_init(), is not released in
the error handling path of mtk_iommu_v1_probe().
Add the corresponding clk_disable_unprepare(), as already done in the
remove function.
Fixes:
|
||
Yunfei Wang
|
dcdb3ba7e2 |
iommu/iova: Fix alloc iova overflows issue
In __alloc_and_insert_iova_range, there is an issue that retry_pfn
overflows. The value of iovad->anchor.pfn_hi is ~0UL, then when
iovad->cached_node is iovad->anchor, curr_iova->pfn_hi + 1 will
overflow. As a result, if the retry logic is executed, low_pfn is
updated to 0, and then new_pfn < low_pfn returns false to make the
allocation successful.
This issue occurs in the following two situations:
1. The first iova size exceeds the domain size. When initializing
iova domain, iovad->cached_node is assigned as iovad->anchor. For
example, the iova domain size is 10M, start_pfn is 0x1_F000_0000,
and the iova size allocated for the first time is 11M. The
following is the log information, new->pfn_lo is smaller than
iovad->cached_node.
Example log as follows:
[ 223.798112][T1705487] sh: [name:iova&]__alloc_and_insert_iova_range
start_pfn:0x1f0000,retry_pfn:0x0,size:0xb00,limit_pfn:0x1f0a00
[ 223.799590][T1705487] sh: [name:iova&]__alloc_and_insert_iova_range
success start_pfn:0x1f0000,new->pfn_lo:0x1efe00,new->pfn_hi:0x1f08ff
2. The node with the largest iova->pfn_lo value in the iova domain
is deleted, iovad->cached_node will be updated to iovad->anchor,
and then the alloc iova size exceeds the maximum iova size that can
be allocated in the domain.
After judging that retry_pfn is less than limit_pfn, call retry_pfn+1
to fix the overflow issue.
Signed-off-by: jianjiao zeng <jianjiao.zeng@mediatek.com>
Signed-off-by: Yunfei Wang <yf.wang@mediatek.com>
Cc: <stable@vger.kernel.org> # 5.15.*
Fixes:
|
||
Miaoqian Lin
|
a6a9a5da68 |
iommu: Fix refcount leak in iommu_device_claim_dma_owner
iommu_group_get() returns the group with the reference incremented.
Move iommu_group_get() after owner check to fix the refcount leak.
Fixes:
|
||
Vladimir Oltean
|
32ea2c57dc |
iommu/arm-smmu-v3: Don't unregister on shutdown
Similar to SMMUv2, this driver calls iommu_device_unregister() from the
shutdown path, which removes the IOMMU groups with no coordination
whatsoever with their users - shutdown methods are optional in device
drivers. This can lead to NULL pointer dereferences in those drivers'
DMA API calls, or worse.
Instead of calling the full arm_smmu_device_remove() from
arm_smmu_device_shutdown(), let's pick only the relevant function call -
arm_smmu_device_disable() - more or less the reverse of
arm_smmu_device_reset() - and call just that from the shutdown path.
Fixes:
|
||
|
Vladimir Oltean
|
ce31e6ca68 |
iommu/arm-smmu: Don't unregister on shutdown
Michael Walle says he noticed the following stack trace while performing a shutdown with "reboot -f". He suggests he got "lucky" and just hit the correct spot for the reboot while there was a packet transmission in flight. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000098 CPU: 0 PID: 23 Comm: kworker/0:1 Not tainted 6.1.0-rc5-00088-gf3600ff8e322 #1930 Hardware name: Kontron KBox A-230-LS (DT) pc : iommu_get_dma_domain+0x14/0x20 lr : iommu_dma_map_page+0x9c/0x254 Call trace: iommu_get_dma_domain+0x14/0x20 dma_map_page_attrs+0x1ec/0x250 enetc_start_xmit+0x14c/0x10b0 enetc_xmit+0x60/0xdc dev_hard_start_xmit+0xb8/0x210 sch_direct_xmit+0x11c/0x420 __dev_queue_xmit+0x354/0xb20 ip6_finish_output2+0x280/0x5b0 __ip6_finish_output+0x15c/0x270 ip6_output+0x78/0x15c NF_HOOK.constprop.0+0x50/0xd0 mld_sendpack+0x1bc/0x320 mld_ifc_work+0x1d8/0x4dc process_one_work+0x1e8/0x460 worker_thread+0x178/0x534 kthread+0xe0/0xe4 ret_from_fork+0x10/0x20 Code: d503201f f9416800 d503233f d50323bf (f9404c00) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Oops: Fatal exception in interrupt This appears to be reproducible when the board has a fixed IP address, is ping flooded from another host, and "reboot -f" is used. The following is one more manifestation of the issue: $ reboot -f kvm: exiting hardware virtualization cfg80211: failed to load regulatory.db arm-smmu 5000000.iommu: disabling translation sdhci-esdhc 2140000.mmc: Removing from iommu group 11 sdhci-esdhc 2150000.mmc: Removing from iommu group 12 fsl-edma 22c0000.dma-controller: Removing from iommu group 17 dwc3 3100000.usb: Removing from iommu group 9 dwc3 3110000.usb: Removing from iommu group 10 ahci-qoriq 3200000.sata: Removing from iommu group 2 fsl-qdma 8380000.dma-controller: Removing from iommu group 20 platform f080000.display: Removing from iommu group 0 etnaviv-gpu f0c0000.gpu: Removing from iommu group 1 etnaviv etnaviv: Removing from iommu group 1 caam_jr 8010000.jr: Removing from iommu group 13 caam_jr 8020000.jr: Removing from iommu group 14 caam_jr 8030000.jr: Removing from iommu group 15 caam_jr 8040000.jr: Removing from iommu group 16 fsl_enetc 0000:00:00.0: Removing from iommu group 4 arm-smmu 5000000.iommu: Blocked unknown Stream ID 0x429; boot with "arm-smmu.disable_bypass=0" to allow, but this may have security implications arm-smmu 5000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000002, GFSYNR1 0x00000429, GFSYNR2 0x00000000 fsl_enetc 0000:00:00.1: Removing from iommu group 5 arm-smmu 5000000.iommu: Blocked unknown Stream ID 0x429; boot with "arm-smmu.disable_bypass=0" to allow, but this may have security implications arm-smmu 5000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000002, GFSYNR1 0x00000429, GFSYNR2 0x00000000 arm-smmu 5000000.iommu: Blocked unknown Stream ID 0x429; boot with "arm-smmu.disable_bypass=0" to allow, but this may have security implications arm-smmu 5000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000000, GFSYNR1 0x00000429, GFSYNR2 0x00000000 fsl_enetc 0000:00:00.2: Removing from iommu group 6 fsl_enetc_mdio 0000:00:00.3: Removing from iommu group 8 mscc_felix 0000:00:00.5: Removing from iommu group 3 fsl_enetc 0000:00:00.6: Removing from iommu group 7 pcieport 0001:00:00.0: Removing from iommu group 18 arm-smmu 5000000.iommu: Blocked unknown Stream ID 0x429; boot with "arm-smmu.disable_bypass=0" to allow, but this may have security implications arm-smmu 5000000.iommu: GFSR 0x00000002, GFSYNR0 0x00000000, GFSYNR1 0x00000429, GFSYNR2 0x00000000 pcieport 0002:00:00.0: Removing from iommu group 19 Unable to handle kernel NULL pointer dereference at virtual address 00000000000000a8 pc : iommu_get_dma_domain+0x14/0x20 lr : iommu_dma_unmap_page+0x38/0xe0 Call trace: iommu_get_dma_domain+0x14/0x20 dma_unmap_page_attrs+0x38/0x1d0 enetc_unmap_tx_buff.isra.0+0x6c/0x80 enetc_poll+0x170/0x910 __napi_poll+0x40/0x1e0 net_rx_action+0x164/0x37c __do_softirq+0x128/0x368 run_ksoftirqd+0x68/0x90 smpboot_thread_fn+0x14c/0x190 Code: d503201f f9416800 d503233f d50323bf (f9405400) ---[ end trace 0000000000000000 ]--- Kernel panic - not syncing: Oops: Fatal exception in interrupt ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]--- The problem seems to be that iommu_group_remove_device() is allowed to run with no coordination whatsoever with the shutdown procedure of the enetc PCI device. In fact, it almost seems as if it implies that the pci_driver :: shutdown() method is mandatory if DMA is used with an IOMMU, otherwise this is inevitable. That was never the case; shutdown methods are optional in device drivers. This is the call stack that leads to iommu_group_remove_device() during reboot: kernel_restart -> device_shutdown -> platform_shutdown -> arm_smmu_device_shutdown -> arm_smmu_device_remove -> iommu_device_unregister -> bus_for_each_dev -> remove_iommu_group -> iommu_release_device -> iommu_group_remove_device I don't know much about the arm_smmu driver, but arm_smmu_device_shutdown() invoking arm_smmu_device_remove() looks suspicious, since it causes the IOMMU device to unregister and that's where everything starts to unravel. It forces all other devices which depend on IOMMU groups to also point their ->shutdown() to ->remove(), which will make reboot slower overall. There are 2 moments relevant to this behavior. First was commit |
||
Robin Murphy
|
ac9c5e92dd |
iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer
Although it's vanishingly unlikely that anyone would integrate an SMMU
within a coherent interconnect without also making the pagetable walk
interface coherent, the same effect happens if a coherent SMMU fails to
advertise CTTW correctly. This turns out to be the case on some popular
NXP SoCs, where VFIO started failing the IOMMU_CAP_CACHE_COHERENCY test,
even though IOMMU_CACHE *was* previously achieving the desired effect
anyway thanks to the underlying integration.
While those SoCs stand to gain some more general benefits from a
firmware update to override CTTW correctly in DT/ACPI, it's also easy
to work around this in Linux as well, to avoid imposing too much on
affected users - since the upstream client devices *are* correctly
marked as coherent, we can trivially infer their coherent paths through
the SMMU as well.
Reported-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Fixes:
|
||
Mark Pearson
|
fde5f74ccf |
platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode
Recently AMT mode was enabled (somewhat unexpectedly) on the Lenovo
Z13 platform. The FW is advertising it is available and the driver tries
to use it - unfortunately it reports the profile mode incorrectly.
Note, there is also some extra work needed to enable the dynamic aspect
of AMT support that I will be following up with; but more testing is
needed first. This patch just fixes things so the profiles are reported
correctly.
Link: https://gitlab.freedesktop.org/hadess/power-profiles-daemon/-/issues/115
Fixes:
|
||
Rafael J. Wysocki
|
df3a71aba4 |
Merge branches 'acpi-resource' and 'acpi-video'
Merge an ACPI resource management quirk and an ACPI backlight driver fix for 6.2-rc4: - Skip ACPI IRQ override on Asus Expertbook B2402CBA (Tamim Khan). - Add missing support for manual selection of NVidia-WMI-EC or Apple GMUX backlight in the kernel command line to the ACPI backlight driver (Hans de Goede). * acpi-resource: ACPI: resource: Skip IRQ override on Asus Expertbook B2402CBA * acpi-video: ACPI: video: Allow selecting NVidia-WMI-EC or Apple GMUX backlight from the cmdline |
||
Jaroslav Kysela
|
92a9c0ad86 |
ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()
The subs function argument may be NULL, so do not use it before the NULL check.
Fixes:
|
||
Dave Airlie
|
e695bc7e54 |
Merge tag 'drm-msm-fixes-2023-01-12' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
msm-fixes for v6.3-rc4 Display Fixes: - Fix the documentation for dpu_encoder_phys_wb_init() and dpu_encoder_phys_wb_setup_fb() APIs to address doc warnings - Remove vcca-supply and vdds-supply as mandatory for 14nm PHY and 10nm PHY DT schemas respectively as they are not present on some SOCs using these PHYs - Add the dsi-phy-regulator-ldo-mode to dsi-phy-28nm.yaml as it was missed out during txt to yaml migration - Remove operating-points-v2 and power-domain as a required property for the DSI controller as thats not the case for every SOC - Fix the description from display escape clock to display core clock in the dsi controller yaml - Fix the memory leak for mdp1-mem path for the cases when we return early after failing to get mdp0-mem ICC paths for msm - Fix error handling path in msm_hdmi_dev_probe() to release the phy ref count when devm_pm_runtime_enable() fails - Fix the dp_aux_isr() routine to make sure it doesnt incorrectly signal the aux transaction as complete if the ISR was not an AUX isr. This fixes a big hitter stability bug on chromebooks. - Add protection against null pointer dereference when there is no kms object as in the case of headless adreno GPU in the shutdown path. GPU Fixes: - a5xx: fix quirks to actually be a bitmask and not overwrite each other - a6xx: fix gx halt sequence to avoid 1000ms hang on some devices - kexec shutdown fix - fix potential double free Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGv7=in_MHW3kdkhqh7ZFoVCmnikmr29YYHCXR=7aOEneg@mail.gmail.com |
||
|
Dave Airlie
|
51883883ac |
- Reserve enough fence slot for i915_vma_unbind_vsync (Nirmoy)
- Fix potential use after free (Rob Clark) - Reset engines twice in case of reset failure (Chris) - Use multi-cast registers for SVG Unit registers (Gustavo) -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEbSBwaO7dZQkcLOKj+mJfZA7rE8oFAmPAGrUACgkQ+mJfZA7r E8rPowgAv98f3wHkok+Dfv4EQsFcANfpuJiJiXmsoIhrsEevaqvV8gBdMHKpqkC3 eKIqLXnOFprfrGq0AiM/ZZL3kZtJnxWFuhTv+rsyI0CUtIMER1GAzh8yISQF2TL4 1oHIEfXZSModvFEOqYFrVd4WFZ+1WOTQOHiUOHQMvxHeLhIJfapcJfC/oucUhYaT 9ywxZPZ+Ph9mFD4dVIoVIoKAApNoTLkStCZH4eIx8SqIE/qfu/5BBXsa8eBMVyXC 4/YsY5QKlUApM63Z0c/8C3w6P6uYieraK3GsyaIt3qTHmhXXp0pYFE1YtdA0okUb YdUOgYbdTM3Q/ej5UBkllJzxr6ygGw== =r216 -----END PGP SIGNATURE----- Merge tag 'drm-intel-fixes-2023-01-12' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Reserve enough fence slot for i915_vma_unbind_vsync (Nirmoy) - Fix potential use after free (Rob Clark) - Reset engines twice in case of reset failure (Chris) - Use multi-cast registers for SVG Unit registers (Gustavo) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y8AbHelGeXc5eQ8U@intel.com |