io_flush_timeouts() assumes the timeout isn't in progress of triggering
or being removed/canceled, so it unconditionally removes it from the
timeout list and attempts to cancel it.
Leave it on the list and let the normal timeout cancelation take care
of it.
Cc: stable@vger.kernel.org # 5.5+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Starting with the new perf-event support in the nvdimm core, the
nfit_test mock module stops compiling. Rename its security_init() to
nfit_security_init().
tools/testing/nvdimm/test/nfit.c:1845:13: error: conflicting types for ‘security_init’; have ‘void(struct nfit_test *)’
1845 | static void security_init(struct nfit_test *t)
| ^~~~~~~~~~~~~
In file included from ./include/linux/perf_event.h:61,
from ./include/linux/nd.h:11,
from ./drivers/nvdimm/nd-core.h:11,
from tools/testing/nvdimm/test/nfit.c:19:
Fixes: 9a61d0838c ("drivers/nvdimm: Add nvdimm pmu structure")
Cc: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/164904238610.1330275.1889212115373993727.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Under certain conditions, such as MPI_Abort, the hfi1 cleanup code may
represent the last reference held on the task mm.
hfi1_mmu_rb_unregister() then drops the last reference and the mm is freed
before the final use in hfi1_release_user_pages(). A new task may
allocate the mm structure while it is still being used, resulting in
problems. One manifestation is corruption of the mmap_sem counter leading
to a hang in down_write(). Another is corruption of an mm struct that is
in use by another task.
Fixes: 3d2a9d6425 ("IB/hfi1: Ensure correct mm is used at all times")
Link: https://lore.kernel.org/r/20220408133523.122165.72975.stgit@awfm-01.cornelisnetworks.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Douglas Miller <doug.miller@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Highlights include:
Stable fixes:
- SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
Bugfixes:
- Fix an Oopsable condition due to SLAB_ACCOUNT setting in the NFSv4.2
xattr code.
- Fix for open() using an file open mode of '3' in NFSv4
- Replace readdir's use of xxhash() with hash_64()
- Several patches to handle malloc() failure in SUNRPC
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Merge tag 'nfs-for-5.18-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client fixes from Trond Myklebust:
"Stable fixes:
- SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
Bugfixes:
- Fix an Oopsable condition due to SLAB_ACCOUNT setting in the
NFSv4.2 xattr code.
- Fix for open() using an file open mode of '3' in NFSv4
- Replace readdir's use of xxhash() with hash_64()
- Several patches to handle malloc() failure in SUNRPC"
* tag 'nfs-for-5.18-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Move the call to xprt_send_pagedata() out of xprt_sock_sendmsg()
SUNRPC: svc_tcp_sendmsg() should handle errors from xdr_alloc_bvec()
SUNRPC: Handle allocation failure in rpc_new_task()
NFS: Ensure rpc_run_task() cannot fail in nfs_async_rename()
NFSv4/pnfs: Handle RPC allocation errors in nfs4_proc_layoutget
SUNRPC: Handle low memory situations in call_status()
SUNRPC: Handle ENOMEM in call_transmit_status()
NFSv4.2: Fix missing removal of SLAB_ACCOUNT on kmem_cache allocation
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
NFS: Replace readdir's use of xxhash() with hash_64()
SUNRPC: handle malloc failure in ->request_prepare
NFSv4: fix open failure with O_ACCMODE flag
Revert "NFSv4: Handle the special Linux file open access mode"
- Revert temporary bodge in MTE coredumping to ease maple tree integration
- Fix stack frame size warning reported with 64k pages
- Fix stop_machine() race with instruction text patching
- Ensure alternatives patching routines are not instrumented
- Enable Spectre-BHB mitigation for Cortex-A78AE
- Fix hugetlb TLB invalidation when contiguous hint is used
- Minor perf driver fixes
- Fix some typos
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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:
"The two main things to note are:
(1) The bulk of the diffstat is us reverting a horrible bodge we had
in place to ease the merging of maple tree during the merge
window (which turned out not to be needed, but anyway)
(2) The TLB invalidation fix is done in core code, as suggested by
(and Acked-by) Peter.
Summary:
- Revert temporary bodge in MTE coredumping to ease maple tree integration
- Fix stack frame size warning reported with 64k pages
- Fix stop_machine() race with instruction text patching
- Ensure alternatives patching routines are not instrumented
- Enable Spectre-BHB mitigation for Cortex-A78AE
- Fix hugetlb TLB invalidation when contiguous hint is used
- Minor perf driver fixes
- Fix some typos"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
perf/imx_ddr: Fix undefined behavior due to shift overflowing the constant
arm64: Add part number for Arm Cortex-A78AE
arm64: patch_text: Fixup last cpu should be master
tlb: hugetlb: Add more sizes to tlb_remove_huge_tlb_entry
arm64: alternatives: mark patch_alternative() as `noinstr`
perf: MARVELL_CN10K_DDR_PMU should depend on ARCH_THUNDER
perf: qcom_l2_pmu: fix an incorrect NULL check on list iterator
arm64: Fix comments in macro __init_el2_gicv3
arm64: fix typos in comments
arch/arm64: Fix topology initialization for core scheduling
arm64: mte: Fix the stack frame size warning in mte_dump_tag_range()
Revert "arm64: Change elfcore for_each_mte_vma() to use VMA iterator"
- Remove the migration code's assumptions about large pages being PMD sized
- Don't call pmd_page() on a non-leaf PMD
- Fix handling of hugetlbfs pages in page_vma_mapped_walk
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Merge tag 'folio-5.18e' of git://git.infradead.org/users/willy/pagecache
Pull folio fixes from Matthew Wilcox:
"Fewer bug reports than I was expecting from enabling large folios.
One that doesn't show up on x86 but does on arm64, one that shows up
with hugetlbfs memory failure testing and one that shows up with page
migration, which it turns out I wasn't testing because my last NUMA
machine died. Need to set up a qemu fake NUMA machine so I don't skip
testing that in future.
Summary:
- Remove the migration code's assumptions about large pages being PMD
sized
- Don't call pmd_page() on a non-leaf PMD
- Fix handling of hugetlbfs pages in page_vma_mapped_walk"
* tag 'folio-5.18e' of git://git.infradead.org/users/willy/pagecache:
mm/rmap: Fix handling of hugetlbfs pages in page_vma_mapped_walk
mm/mempolicy: Use vma_alloc_folio() in new_page()
mm: Add vma_alloc_folio()
mm/migrate: Use a folio in migrate_misplaced_transhuge_page()
mm/migrate: Use a folio in alloc_migration_target()
mm/huge_memory: Avoid calling pmd_page() on a non-leaf PMD
A small collection of fixes that have arrived since the merge window,
the most noticable one is a fix for unmapping messages when the mapping
was done with the struct device supplied to do the mapping overridden.
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Merge tag 'spi-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes that have arrived since the merge window,
the most noticable one is a fix for unmapping messages when the
mapping was done with the struct device supplied to do the mapping
overridden"
* tag 'spi-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: bcm-qspi: fix MSPI only access with bcm_qspi_exec_mem_op()
spi: cadence-quadspi: fix protocol setup for non-1-1-X operations
spi: core: add dma_map_dev for __spi_unmap_msg()
spi: mxic: Fix an error handling path in mxic_spi_probe()
spi: rpc-if: Fix RPM imbalance in probe error path
A few small driver specific fixes for v5.18, plus an update to the
MAINTAINERS file.
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Merge tag 'regulator-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few small driver specific fixes for v5.18, plus an update to the
MAINTAINERS file"
* tag 'regulator-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
MAINTAINERS: Fix reviewer info for a few ROHM ICs
regulator: atc260x: Fix missing active_discharge_on setting
regulator: rtq2134: Fix missing active_discharge_on setting
regulator: wm8994: Add an off-on delay for WM8994 variant
- Improve API to make it clear that mmc_hw_reset() is for cards
- Fixup support for writeback-cache for eMMC and SD
- Check for errors after writes on SPI
MMC host:
- renesas_sdhi: A couple of fixes of TAP settings for eMMC HS400 mode
- mmci_stm32: Fixup check of all elements in sg list
- sdhci-xenon: Revert unnecessary fix for annoying 1.8V regulator warning
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Merge tag 'mmc-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Improve API to make it clear that mmc_hw_reset() is for cards
- Fixup support for writeback-cache for eMMC and SD
- Check for errors after writes on SPI
MMC host:
- renesas_sdhi: A couple of fixes of TAP settings for eMMC HS400 mode
- mmci_stm32: Fixup check of all elements in sg list
- sdhci-xenon: Revert unnecessary fix for annoying 1.8V regulator warning"
* tag 'mmc-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: improve API to make clear mmc_hw_reset is for cards
mmc: renesas_sdhi: don't overwrite TAP settings when HS400 tuning is complete
mmc: renesas_sdhi: special 4tap settings only apply to HS400
mmc: core: Fixup support for writeback-cache for eMMC and SD
mmc: block: Check for errors after write on SPI
mmc: mmci: stm32: correctly check all elements of sg list
Revert "mmc: sdhci-xenon: fix annoying 1.8V regulator warning"
- Fix boot regression due to a NULL-ptr dereference on OMAP
machines
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Merge tag 'iommu-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fix from Joerg Roedel:
- Fix boot regression due to a NULL-ptr dereference on OMAP machines
* tag 'iommu-fix-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/omap: Fix regression in probe for NULL pointer dereference
Fix:
In file included from <command-line>:0:0:
In function ‘ddr_perf_counter_enable’,
inlined from ‘ddr_perf_irq_handler’ at drivers/perf/fsl_imx8_ddr_perf.c:651:2:
././include/linux/compiler_types.h:352:38: error: call to ‘__compiletime_assert_729’ \
declared with attribute error: FIELD_PREP: mask is not constant
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
...
See https://lore.kernel.org/r/YkwQ6%2BtIH8GQpuct@zn.tnic for the gory
details as to why it triggers with older gccs only.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Frank Li <Frank.li@nxp.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220405151517.29753-10-bp@alien8.de
Signed-off-by: Will Deacon <will@kernel.org>
The email backend used by ROHM keeps labeling patches as spam.
Additionally, there have been reports of some emails been completely
dropped. Finally also the email list (or shared inbox)
linux-power@fi.rohmeurope.com inadvertly stopped working and has not
been reviwed during the past few weeks.
Remove no longer working list 'linux-power' list-entry and switch my
email to use the personal gmail account instead of the company account.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/Yk/zAHusOdf4+h06@dc73szyh141qn5ck3nwqy-3.rev.dnainternet.fi
Signed-off-by: Mark Brown <broonie@kernel.org>
These patch_text implementations are using stop_machine_cpuslocked
infrastructure with atomic cpu_count. The original idea: When the
master CPU patch_text, the others should wait for it. But current
implementation is using the first CPU as master, which couldn't
guarantee the remaining CPUs are waiting. This patch changes the
last CPU as the master to solve the potential risk.
Fixes: ae16480785 ("arm64: introduce interfaces to hotpatch kernel and module code")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220407073323.743224-2-guoren@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Commit 3f6634d997 ("iommu: Use right way to retrieve iommu_ops") started
triggering a NULL pointer dereference for some omap variants:
__iommu_probe_device from probe_iommu_group+0x2c/0x38
probe_iommu_group from bus_for_each_dev+0x74/0xbc
bus_for_each_dev from bus_iommu_probe+0x34/0x2e8
bus_iommu_probe from bus_set_iommu+0x80/0xc8
bus_set_iommu from omap_iommu_init+0x88/0xcc
omap_iommu_init from do_one_initcall+0x44/0x24
This is caused by omap iommu probe returning 0 instead of ERR_PTR(-ENODEV)
as noted by Jason Gunthorpe <jgg@ziepe.ca>.
Looks like the regression already happened with an earlier commit
6785eb9105 ("iommu/omap: Convert to probe/release_device() call-backs")
that changed the function return type and missed converting one place.
Cc: Drew Fustini <dfustini@baylibre.com>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Suman Anna <s-anna@ti.com>
Suggested-by: Jason Gunthorpe <jgg@ziepe.ca>
Fixes: 6785eb9105 ("iommu/omap: Convert to probe/release_device() call-backs")
Fixes: 3f6634d997 ("iommu: Use right way to retrieve iommu_ops")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Drew Fustini <dfustini@baylibre.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20220331062301.24269-1-tony@atomide.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
To make it unambiguous that mmc_hw_reset() is for cards and not for
controllers, we make the function argument mmc_card instead of mmc_host.
Also, all users are converted.
Suggested-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220408080045.6497-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
dma-fence:
- fix warning about fence containers
- fix logic error in new fence merge code
- handle empty dma_fence_arrays gracefully
bridge:
- Try all possible cases for bridge/panel detection.
bindings:
- Don't require input port for MIPI-DSI, and make width/height mandatory.
fbdev:
- Fix unregistering of framebuffers without device.
nouveau:
- Fix a crash when booting with nouveau on tegra.
amdgpu:
- GFX 10.3.7 fixes
- noretry updates
- VCN fixes
- TMDS fix
- zstate fix for freesync video
- DCN 3.1.5 fix
- Display stack size fix
- Audio fix
- DCN 3.1 pstate fix
- TMZ VCN fix
- APU passthrough fix
- Misc other fixes
- VCN 3.0 fixes
- Misc display fixes
- GC 10.3 golden register fix
- Suspend fix
- SMU 10 fix
amdkfd:
- Error handling fix
- xgmi p2p fix
- HWS VMIDs fix
- Event fix
panel:
- ili9341: Fix optional regulator handling
imx:
- Catch an EDID allocation failure in imx-ldb
- fix a leaked drm display mode on DT parsing error in parallel-display
- properly remove the dw_hdmi bridge in case the component_add fails in dw_hdmi-imx
- fix the IPU clock frequency debug printout in ipu-di.
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Merge tag 'drm-fixes-2022-04-08' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Main set of fixes for rc2, mostly amdgpu, but some dma-fence fixups as
well, along with some other misc ones.
dma-fence:
- fix warning about fence containers
- fix logic error in new fence merge code
- handle empty dma_fence_arrays gracefully
bridge:
- Try all possible cases for bridge/panel detection.
bindings:
- Don't require input port for MIPI-DSI, and make width/height mandatory.
fbdev:
- Fix unregistering of framebuffers without device.
nouveau:
- Fix a crash when booting with nouveau on tegra.
amdgpu:
- GFX 10.3.7 fixes
- noretry updates
- VCN fixes
- TMDS fix
- zstate fix for freesync video
- DCN 3.1.5 fix
- Display stack size fix
- Audio fix
- DCN 3.1 pstate fix
- TMZ VCN fix
- APU passthrough fix
- Misc other fixes
- VCN 3.0 fixes
- Misc display fixes
- GC 10.3 golden register fix
- Suspend fix
- SMU 10 fix
amdkfd:
- Error handling fix
- xgmi p2p fix
- HWS VMIDs fix
- Event fix
panel:
- ili9341: Fix optional regulator handling
imx:
- Catch an EDID allocation failure in imx-ldb
- fix a leaked drm display mode on DT parsing error in parallel-display
- properly remove the dw_hdmi bridge in case the component_add fails in dw_hdmi-imx
- fix the IPU clock frequency debug printout in ipu-di"
* tag 'drm-fixes-2022-04-08' of git://anongit.freedesktop.org/drm/drm: (61 commits)
dt-bindings: display: panel: mipi-dbi-spi: Make width-mm/height-mm mandatory
fbdev: Fix unregistering of framebuffers without device
drm/amdgpu/smu10: fix SoC/fclk units in auto mode
drm/amd/display: update dcn315 clock table read
drm/amdgpu/display: change pipe policy for DCN 2.1
drm/amd/display: Add configuration options for AUX wake work around.
drm/amd/display: remove assert for odm transition case
drm/amdgpu: don't use BACO for reset in S3
drm/amd/display: Fix by adding FPU protection for dcn30_internal_validate_bw
drm/amdkfd: Create file descriptor after client is added to smi_clients list
drm/amdgpu: Sync up header and implementation to use the same parameter names
drm/amdgpu: fix incorrect GCR_GENERAL_CNTL address
amd/display: set backlight only if required
drm/amd/display: Fix allocate_mst_payload assert on resume
drm/amd/display: Revert FEC check in validation
drm/amd/display: Add work around for AUX failure on wake.
drm/amd/display: Clear optc false state when disable otg
drm/amd/display: Enable power gating before init_pipes
drm/amd/display: Remove redundant dsc power gating from init_hw
drm/amd/display: Correct Slice reset calculation
...
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Merge tag '5.18-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
- reconnect fixes: one for DFS and one to avoid a reconnect race
- small change to deal with upcoming behavior change of list iterators
* tag '5.18-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module number
cifs: force new session setup and tcon for dfs
cifs: remove check of list iterator against head past the loop body
cifs: fix potential race with cifsd thread
- Fix a crash when booting with nouveau on tegra.
- Don't require input port for MIPI-DSI, and make width/height mandatory.
- Fix unregistering of framebuffers without device.
-
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Merge tag 'drm-misc-fixes-2022-04-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.18-rc2:
- Fix a crash when booting with nouveau on tegra.
- Don't require input port for MIPI-DSI, and make width/height mandatory.
- Fix unregistering of framebuffers without device.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/58fa2262-3eb6-876d-7157-ab7a135696b7@linux.intel.com
The client and server have different requirements for their memory
allocation, so move the allocation of the send buffer out of the socket
send code that is common to both.
Reported-by: NeilBrown <neilb@suse.de>
Fixes: b2648015d4 ("SUNRPC: Make the rpciod and xprtiod slab allocation modes consistent")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
The allocation is done with GFP_KERNEL, but it could still fail in a low
memory situation.
Fixes: 4a85a6a332 ("SUNRPC: Handle TCP socket sends with kernel_sendpage() again")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
If the call to rpc_alloc_task() fails, then ensure that the calldata is
released, and that rpc_run_task() and rpc_run_bc_task() bail out early.
Reported-by: NeilBrown <neilb@suse.de>
Fixes: 910ad38697 ("NFS: Fix memory allocation in rpc_alloc_task()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Ensure the call to rpc_run_task() cannot fail by preallocating the
rpc_task.
Fixes: 910ad38697 ("NFS: Fix memory allocation in rpc_alloc_task()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
If rpc_run_task() fails due to an allocation error, then bail out early.
Fixes: 910ad38697 ("NFS: Fix memory allocation in rpc_alloc_task()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
We need to handle ENFILE, ENOBUFS, and ENOMEM, because
xprt_wake_pending_tasks() can be called with any one of these due to
socket creation failures.
Fixes: b61d59fffd ("SUNRPC: xs_tcp_connect_worker{4,6}: merge common code")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Both call_transmit() and call_bc_transmit() can now return ENOMEM, so
let's make sure that we handle the errors gracefully.
Fixes: 0472e47660 ("SUNRPC: Convert socket page send code to use iov_iter()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
The commit 5c60e89e71 ("NFSv4.2: Fix up an invalid combination of memory
allocation flags") has stripped GFP_KERNEL_ACCOUNT down to GFP_KERNEL,
however, it forgot to remove SLAB_ACCOUNT from kmem_cache allocation.
It means that memory is still limited by kmemcg. This patch also fix a
NULL pointer reference issue [1] reported by NeilBrown.
Link: https://lore.kernel.org/all/164870069595.25542.17292003658915487357@noble.neil.brown.name/ [1]
Fixes: 5c60e89e71 ("NFSv4.2: Fix up an invalid combination of memory allocation flags")
Fixes: 5abc1e37af ("mm: list_lru: allocate list_lru_one only when needed")
Reported-by: NeilBrown <neilb@suse.de>
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
We must ensure that all sockets are closed before we call xprt_free()
and release the reference to the net namespace. The problem is that
calling fput() will defer closing the socket until delayed_fput() gets
called.
Let's fix the situation by allowing rpciod and the transport teardown
code (which runs on the system wq) to call __fput_sync(), and directly
close the socket.
Reported-by: Felix Fu <foyjog@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: a73881c96d ("SUNRPC: Fix an Oops in udp_poll()")
Cc: stable@vger.kernel.org # 5.1.x: 3be232f11a: SUNRPC: Prevent immediate close+reconnect
Cc: stable@vger.kernel.org # 5.1.x: 89f42494f9: SUNRPC: Don't call connect() more than once on a TCP socket
Cc: stable@vger.kernel.org # 5.1.x
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Both xxhash() and hash_64() appear to give similarly low collision
rates with a standard linearly increasing readdir offset. They both give
similarly higher collision rates when applied to ext4's offsets.
So switch to using the standard hash_64().
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
It's safer to not touch scm_fp_list after we queued an skb to which it
was assigned, there might be races lurking if we screw subtle sync
guarantees on the io_uring side.
Fixes: 6b06314c47 ("io_uring: add file set registration")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Don't forget to array_index_nospec() for indexes before updating rsrc
tags in __io_sqe_files_update(), just use already safe and precalculated
index @i.
Fixes: c3bdad0271 ("io_uring: add generic rsrc update with tags")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Similarly to the way it is done im mbind syscall.
Cc: stable@vger.kernel.org # 5.14
Fixes: fe76421d1d ("io_uring: allow user configurable IO thread CPU affinity")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This reverts commit adc8682ec6.
There's some discussion on the API not being as good as it can be.
Rather than ship something and be stuck with it forever, let's revert
the NAPI support for now and work on getting something sorted out
for the next kernel release instead.
Link: https://lore.kernel.org/io-uring/b7bbc124-8502-0ee9-d4c8-7c41b4487264@kernel.dk/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring tracks requests that are referencing an io_uring descriptor to
be able to cancel without worrying about loops in the references. Since
we now assign the file at execution time, the easier approach is to drop
a potentially problematic reference before we punt the request. This
eliminates the need to special case these types of files beyond just
marking them as such, and simplifies cancelation quite a bit.
This also fixes a recent issue where an async punted tee operation would
with the io_uring descriptor as the output file would crash when
attempting to get a reference to the file from the io-wq worker. We
could have worked around that, but this is the much cleaner fix.
Fixes: 6bf9c47a39 ("io_uring: defer file assignment")
Reported-by: syzbot+c4b9303500a21750b250@syzkaller.appspotmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
If an application uses direct open or accept, it knows in advance what
direct descriptor value it will get as it picks it itself. This allows
combined requests such as:
sqe = io_uring_get_sqe(ring);
io_uring_prep_openat_direct(sqe, ..., file_slot);
sqe->flags |= IOSQE_IO_LINK | IOSQE_CQE_SKIP_SUCCESS;
sqe = io_uring_get_sqe(ring);
io_uring_prep_read(sqe,file_slot, buf, buf_size, 0);
sqe->flags |= IOSQE_FIXED_FILE;
io_uring_submit(ring);
where we prepare both a file open and read, and only get a completion
event for the read when both have completed successfully.
Currently links are fully prepared before the head is issued, but that
fails if the dependent link needs a file assigned that isn't valid until
the head has completed.
Conversely, if the same chain is performed but the fixed file slot is
already valid, then we would be unexpectedly returning data from the
old file slot rather than the newly opened one. Make sure we're
consistent here.
Allow deferral of file setup, which makes this documented case work.
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We'll need this in a future patch, when we could be assigning the file
after the prep stage. While at it, get rid of the io_file_get() helper,
it just makes the code harder to read.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Merge tag 'random-5.18-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator fixes from Jason Donenfeld:
- Another fixup to the fast_init/crng_init split, this time in how much
entropy is being credited, from Jan Varho.
- As discussed, we now opportunistically call try_to_generate_entropy()
in /dev/urandom reads, as a replacement for the reverted commit. I
opted to not do the more invasive wait_for_random_bytes() change at
least for now, preferring to do something smaller and more obvious
for the time being, but maybe that can be revisited as things evolve
later.
- Userspace can use FUSE or userfaultfd or simply move a process to
idle priority in order to make a read from the random device never
complete, which breaks forward secrecy, fixed by overwriting
sensitive bytes early on in the function.
- Jann Horn noticed that /dev/urandom reads were only checking for
pending signals if need_resched() was true, a bug going back to the
genesis commit, now fixed by always checking for signal_pending() and
calling cond_resched(). This explains various noticeable signal
delivery delays I've seen in programs over the years that do long
reads from /dev/urandom.
- In order to be more like other devices (e.g. /dev/zero) and to
mitigate the impact of fixing the above bug, which has been around
forever (users have never really needed to check the return value of
read() for medium-sized reads and so perhaps many didn't), we now
move signal checking to the bottom part of the loop, and do so every
PAGE_SIZE-bytes.
* tag 'random-5.18-rc2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
random: check for signal_pending() outside of need_resched() check
random: do not allow user to keep crng key around on stack
random: opportunistically initialize on /dev/urandom reads
random: do not split fast init input in add_hwgenerator_randomness()
A small set of fixes for 5.18-rc2:
* Fix a compilation warning due to an uninitialized variable in
ata_sff_lost_interrupt(), from me.
* Fix invalid internal command tag handling in the sata_dwc_460ex
driver, from Christian.
* Disable READ LOG DMA EXT with Samsung 840 EVO SSDs as this command
causes the drives to hang, from Christian.
* Change the config option CONFIG_SATA_LPM_POLICY back to its original
name CONFIG_SATA_LPM_MOBILE_POLICY to avoid potential problems with
users losing their configuration (as discussed during the merge
window), from Mario.
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Merge tag 'ata-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fixes from Damien Le Moal:
- Fix a compilation warning due to an uninitialized variable in
ata_sff_lost_interrupt(), from me.
- Fix invalid internal command tag handling in the sata_dwc_460ex
driver, from Christian.
- Disable READ LOG DMA EXT with Samsung 840 EVO SSDs as this command
causes the drives to hang, from Christian.
- Change the config option CONFIG_SATA_LPM_POLICY back to its original
name CONFIG_SATA_LPM_MOBILE_POLICY to avoid potential problems with
users losing their configuration (as discussed during the merge
window), from Mario.
* tag 'ata-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: ahci: Rename CONFIG_SATA_LPM_POLICY configuration item back
ata: libata-core: Disable READ LOG DMA EXT for Samsung 840 EVOs
ata: sata_dwc_460ex: Fix crash due to OOB write
ata: libata-sff: Fix compilation warning in ata_sff_lost_interrupt()
page_mapped_in_vma() sets nr_pages to 1, which is usually correct as we
only want to know about the precise page and not about other pages in
the folio. However, hugetlbfs does want to know about the entire hpage,
and using nr_pages to get the size of the hpage is wrong. We could
change page_mapped_in_vma() to special-case hugetlbfs pages, but it's
better to ignore nr_pages in page_vma_mapped_walk() and get the size
from the VMA instead.
Fixes: 2aff7a4755 ("mm: Convert page_vma_mapped_walk to work on PFNs")
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
[edit commit message, use hstate directly]
Simplify new_page() by unifying the THP and base page cases, and
handle orders other than 0 and HPAGE_PMD_ORDER correctly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
This wrapper around alloc_pages_vma() calls prep_transhuge_page(),
removing the obligation from the caller. This is in the same spirit
as __folio_alloc().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Unify alloc_misplaced_dst_page() and alloc_misplaced_dst_page_thp().
Removes an assumption that compound pages are HPAGE_PMD_ORDER.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
This removes an assumption that a large folio is HPAGE_PMD_ORDER
as well as letting us remove the call to prep_transhuge_page()
and a few hidden calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
