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The rtbitmap fsmap backend doesn't query the rmapbt, so it's wasteful to
spend time initializing the rmap_irec objects. Worse yet, the logic to
query the rtbitmap is spread across three separate functions, which is
unnecessarily difficult to follow.
Compute the start rtextent that we want from keys[0] directly and
combine the functions to avoid passing parameters around everywhere, and
consolidate all the logic into a single function. At one point many
years ago I intended to use __xfs_getfsmap_rtdev as the launching point
for realtime rmapbt queries, but this hasn't been the case for a long
time.
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Dave Chinner <[email protected]>
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The realtime section ends at the last rt extent. If the user configures
the rt geometry with an extent size that is not an integer factor of the
number of rt blocks, it's possible for there to be rt blocks past the
end of the last rt extent. These tail blocks cannot ever be allocated
and will cause corruption reports if the last extent coincides with the
end of an rt bitmap block, so do not report consider them for the
GETFSMAP output.
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Dave Chinner <[email protected]>
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It's not correct to use the rmap irec structure to hold query key
information to query the rtbitmap because the realtime volume can be
longer than 2^32 fsblocks in length. Because the rt volume doesn't have
allocation groups, introduce a daddr-based record filtering algorithm
and compute the rtextent values using 64-bit variables. The same
problem exists in the external log device fsmap implementation, so use
the same solution to fix it too.
After this patch, all the code that touches info->low and info->high
under xfs_getfsmap_logdev and __xfs_getfsmap_rtdev are unnecessary.
Cleaning this up will be done in subsequent patches.
Fixes: 4c934c7dd60c ("xfs: report realtime space information via the rtbitmap")
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Dave Chinner <[email protected]>
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I noticed a bug in ranged GETFSMAP queries:
# xfs_io -c 'fsmap -vvvv' /opt
EXT: DEV BLOCK-RANGE OWNER FILE-OFFSET AG AG-OFFSET TOTAL
0: 8:80 [0..7]: static fs metadata 0 (0..7) 8
<snip>
9: 8:80 [192..223]: 137 0..31 0 (192..223) 32
# xfs_io -c 'fsmap -vvvv -d 208 208' /opt
#
That's not right -- we asked what block maps block 208, and we should've
received a mapping for inode 137 offset 16. Instead, we get nothing.
The root cause of this problem is a mis-interaction between the fsmap
code and how btree ranged queries work. xfs_btree_query_range returns
any btree record that overlaps with the query interval, even if the
record starts before or ends after the interval. Similarly, GETFSMAP is
supposed to return a recordset containing all records that overlap the
range queried.
However, it's possible that the recordset is larger than the buffer that
the caller provided to convey mappings to userspace. In /that/ case,
userspace is supposed to copy the last record returned to fmh_keys[0]
and call GETFSMAP again. In this case, we do not want to return
mappings that we have already supplied to the caller. The call to
xfs_btree_query_range is the same, but now we ignore any records that
start before fmh_keys[0].
Unfortunately, we didn't implement the filtering predicate correctly.
The predicate should only be called when we're calling back for more
records. Accomplish this by setting info->low.rm_blockcount to a
nonzero value and ensuring that it is cleared as necessary. As a
result, we no longer want to adjust dkeys[0] in the main setup function
because that's confusing.
This patch doesn't touch the logdev/rtbitmap backends because they have
bigger problems that will be addressed by subsequent patches.
Found via xfs/556 with parent pointers enabled.
Fixes: e89c041338ed ("xfs: implement the GETFSMAP ioctl")
Signed-off-by: Darrick J. Wong <[email protected]>
Reviewed-by: Dave Chinner <[email protected]>
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Hariprasad Kelam says:
====================
octeontx2-af: MAC block fixes for CN10KB
This patch set contains fixes for the issues encountered in testing
CN10KB MAC block RPM_USX.
Patch1: firmware to kernel communication is not working due to wrong
interrupt configuration. CSR addresses are corrected.
Patch2: NIX to RVU PF mapping errors encountered due to wrong firmware
config. Corrects this mapping error.
Patch3: Driver is trying to access non exist cgx/lmac which is resulting
in kernel panic. Address this issue by adding proper checks.
Patch4: MAC features are not getting reset on FLR. Fix the issue by
resetting the stale config.
====================
Signed-off-by: David S. Miller <[email protected]>
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AF driver configures MAC features like internal loopback and PFC upon
receiving the request from PF and its VF netdev. But these
features are not getting reset in FLR. This patch fixes the issue by
resetting the same.
Fixes: 23999b30ae67 ("octeontx2-af: Enable or disable CGX internal loopback")
Fixes: 1121f6b02e7a ("octeontx2-af: Priority flow control configuration support")
Signed-off-by: Hariprasad Kelam <[email protected]>
Signed-off-by: Sunil Goutham <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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with the addition of new MAC blocks like CN10K RPM and CN10KB
RPM_USX, LMACs are noncontiguous and CGX blocks are also
noncontiguous. But during RVU driver initialization, the driver
is assuming they are contiguous and trying to access
cgx or lmac with their id which is resulting in kernel panic.
This patch fixes the issue by adding proper checks.
[ 23.219150] pc : cgx_lmac_read+0x38/0x70
[ 23.219154] lr : rvu_program_channels+0x3f0/0x498
[ 23.223852] sp : ffff000100d6fc80
[ 23.227158] x29: ffff000100d6fc80 x28: ffff00010009f880 x27:
000000000000005a
[ 23.234288] x26: ffff000102586768 x25: 0000000000002500 x24:
fffffffffff0f000
Fixes: 91c6945ea1f9 ("octeontx2-af: cn10k: Add RPM MAC support")
Signed-off-by: Hariprasad Kelam <[email protected]>
Signed-off-by: Sunil Goutham <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Firmware configures NIX block mapping for all MAC blocks.
The current implementation reads the configuration and
creates the mapping between RVU PF and NIX blocks. But
this configuration is only valid for silicons that support
multiple blocks. For all other silicons, all MAC blocks
map to NIX0.
This patch corrects the mapping by adding a check for the same.
Fixes: c5a73b632b90 ("octeontx2-af: Map NIX block from CGX connection")
Signed-off-by: Hariprasad Kelam <[email protected]>
Signed-off-by: Sunil Goutham <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The current design is that, for asynchronous events like link_up and
link_down firmware raises the interrupt to kernel. The previous patch
which added RPM_USX driver has a bug where it uses old csr addresses
for configuring interrupts. Which is resulting in losing interrupts
from source firmware.
This patch fixes the issue by correcting csr addresses.
Fixes: b9d0fedc6234 ("octeontx2-af: cn10kb: Add RPM_USX MAC support")
Signed-off-by: Hariprasad Kelam <[email protected]>
Signed-off-by: Sunil Goutham <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Fix a comma that should be a semicolon. The comma is at the end of an
if-body and thus makes the statement after (a bvec_set_page()) conditional
too, resulting in an oops because we didn't fill out the bio_vec[]:
BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
...
Workqueue: nvme_tcp_wq nvme_tcp_io_work [nvme_tcp]
RIP: 0010:skb_splice_from_iter+0xf1/0x370
...
Call Trace:
tcp_sendmsg_locked+0x3a6/0xdd0
tcp_sendmsg+0x31/0x50
inet_sendmsg+0x47/0x80
sock_sendmsg+0x99/0xb0
nvme_tcp_try_send_data+0x149/0x490 [nvme_tcp]
nvme_tcp_try_send+0x1b7/0x300 [nvme_tcp]
nvme_tcp_io_work+0x40/0xc0 [nvme_tcp]
process_one_work+0x21c/0x430
worker_thread+0x54/0x3e0
kthread+0xf8/0x130
Fixes: 7769887817c3 ("nvme-tcp: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage")
Reported-by: Aurelien Aptel <[email protected]>
Link: https://lore.kernel.org/r/253mt0il43o.fsf@mtr-vdi-124.i-did-not-set--mail-host-address--so-tickle-me/
Signed-off-by: David Howells <[email protected]>
cc: Sagi Grimberg <[email protected]>
cc: Willem de Bruijn <[email protected]>
cc: Keith Busch <[email protected]>
cc: Jens Axboe <[email protected]>
cc: Christoph Hellwig <[email protected]>
cc: Chaitanya Kulkarni <[email protected]>
cc: "David S. Miller" <[email protected]>
cc: Eric Dumazet <[email protected]>
cc: Jakub Kicinski <[email protected]>
cc: Paolo Abeni <[email protected]>
cc: Jens Axboe <[email protected]>
cc: Jens Axboe <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: [email protected]
cc: [email protected]
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The use of file_free_rcu() in init_file() to free the struct that was
allocated by the caller was hacky and we got what we deserved.
Let init_file() and its callers take care of cleaning up each after
their own allocated resources on error.
Fixes: 62d53c4a1dfe ("fs: use backing_file container for internal files with "fake" f_path") # mainline only
Reported-and-tested-by: [email protected]
Signed-off-by: Amir Goldstein <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
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Pull arch/csky update from Guo Ren:
- Correct thread.trap_no restore of uprobe
* tag 'csky-for-linus-6.5' of https://github.com/c-sky/csky-linux:
csky: uprobes: Restore thread.trap_no
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Pull NFS client updates from Trond Myklebust:
"Stable fixes and other bugfixes:
- nfs: don't report STATX_BTIME in ->getattr
- Revert 'NFSv4: Retry LOCK on OLD_STATEID during delegation return'
since it breaks NFSv4 state recovery.
- NFSv4.1: freeze the session table upon receiving NFS4ERR_BADSESSION
- Fix the NFSv4.2 xattr cache shrinker_id
- Force a ctime update after a NFSv4.2 SETXATTR call
Features and cleanups:
- NFS and RPC over TLS client code from Chuck Lever
- Support for use of abstract unix socket addresses with the rpcbind
daemon
- Sysfs API to allow shutdown of the kernel RPC client and prevent
umount() hangs if the server is known to be permanently down
- XDR cleanups from Anna"
* tag 'nfs-for-6.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (33 commits)
Revert "NFSv4: Retry LOCK on OLD_STATEID during delegation return"
NFS: Don't cleanup sysfs superblock entry if uninitialized
nfs: don't report STATX_BTIME in ->getattr
NFSv4.1: freeze the session table upon receiving NFS4ERR_BADSESSION
NFSv4.2: fix wrong shrinker_id
NFSv4: Clean up some shutdown loops
NFS: Cancel all existing RPC tasks when shutdown
NFS: add sysfs shutdown knob
NFS: add a sysfs link to the acl rpc_client
NFS: add a sysfs link to the lockd rpc_client
NFS: Add sysfs links to sunrpc clients for nfs_clients
NFS: add superblock sysfs entries
NFS: Make all of /sys/fs/nfs network-namespace unique
NFS: Open-code the nfs_kset kset_create_and_add()
NFS: rename nfs_client_kobj to nfs_net_kobj
NFS: rename nfs_client_kset to nfs_kset
NFS: Add an "xprtsec=" NFS mount option
NFS: Have struct nfs_client carry a TLS policy field
SUNRPC: Add a TCP-with-TLS RPC transport class
SUNRPC: Capture CMSG metadata on client-side receive
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single regression fix for x86:
Moving the invocation of arch_cpu_finalize_init() earlier in the boot
process caused a boot regression on IBT enabled system.
The root cause is not the move of arch_cpu_finalize_init() itself. The
system fails to boot because the subsequent efi_enter_virtual_mode()
code has a non-IBT safe EFI call inside. This was not noticed before
because IBT was enabled after the EFI initialization.
Switching the EFI call to use the IBT safe wrapper cures the problem"
* tag 'x86-urgent-2023-07-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/efi: Make efi_set_virtual_address_map IBT safe
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Remove the deprecated rule to build *.dtbo from *.dts
- Refactor section mismatch detection in modpost
- Fix bogus ARM section mismatch detections
- Fix error of 'make gtags' with O= option
- Add Clang's target triple to KBUILD_CPPFLAGS to fix a build error
with the latest LLVM version
- Rebuild the built-in initrd when KBUILD_BUILD_TIMESTAMP is changed
- Ignore more compiler-generated symbols for kallsyms
- Fix 'make local*config' to handle the ${CONFIG_FOO} form in Makefiles
- Enable more kernel-doc warnings with W=2
- Refactor <linux/export.h> by generating KSYMTAB data by modpost
- Deprecate <asm/export.h> and <asm-generic/export.h>
- Remove the EXPORT_DATA_SYMBOL macro
- Move the check for static EXPORT_SYMBOL back to modpost, which makes
the build faster
- Re-implement CONFIG_TRIM_UNUSED_KSYMS with one-pass algorithm
- Warn missing MODULE_DESCRIPTION when building modules with W=1
- Make 'make clean' robust against too long argument error
- Exclude more objects from GCOV to fix CFI failures with GCOV
- Allow 'make modules_install' to install modules.builtin and
modules.builtin.modinfo even when CONFIG_MODULES is disabled
- Include modules.builtin and modules.builtin.modinfo in the
linux-image Debian package even when CONFIG_MODULES is disabled
- Revive "Entering directory" logging for the latest Make version
* tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (72 commits)
modpost: define more R_ARM_* for old distributions
kbuild: revive "Entering directory" for Make >= 4.4.1
kbuild: set correct abs_srctree and abs_objtree for package builds
scripts/mksysmap: Ignore prefixed KCFI symbols
kbuild: deb-pkg: remove the CONFIG_MODULES check in buildeb
kbuild: builddeb: always make modules_install, to install modules.builtin*
modpost: continue even with unknown relocation type
modpost: factor out Elf_Sym pointer calculation to section_rel()
modpost: factor out inst location calculation to section_rel()
kbuild: Disable GCOV for *.mod.o
kbuild: Fix CFI failures with GCOV
kbuild: make clean rule robust against too long argument error
script: modpost: emit a warning when the description is missing
kbuild: make modules_install copy modules.builtin(.modinfo)
linux/export.h: rename 'sec' argument to 'license'
modpost: show offset from symbol for section mismatch warnings
modpost: merge two similar section mismatch warnings
kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion
modpost: use null string instead of NULL pointer for default namespace
modpost: squash sym_update_namespace() into sym_add_exported()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fix from Catalin Marinas:
"Fix memory corruption (overwriting the kmalloc redzone) when saving
the SVE state while in SVE streaming mode"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: sme: Use STR P to clear FFR context field in streaming SVE mode
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Pull CXL updates from Dan Williams:
"The highlights in terms of new functionality are support for the
standard CXL Performance Monitor definition that appeared in CXL 3.0,
support for device sanitization (wiping all data from a device),
secure-erase (re-keying encryption of user data), and support for
firmware update. The firmware update support is notable as it reuses
the simple sysfs_upload interface to just cat(1) a blob to a sysfs
file and pipe that to the device.
Additionally there are a substantial number of cleanups and
reorganizations to get ready for RCH error handling (RCH == Restricted
CXL Host == current shipping hardware generation / pre CXL-2.0
topologies) and type-2 (accelerator / vendor specific) devices.
For vendor specific devices they implement a subset of what the
generic type-3 (generic memory expander) driver expects. As a result
the rework decouples optional infrastructure from the core driver
context.
For RCH topologies, where the specification working group did not want
to confuse pre-CXL-aware operating systems, many of the standard
registers are hidden which makes support standard bus features like
AER (PCIe Advanced Error Reporting) difficult. The rework arranges for
the driver to help the PCI-AER core. Bjorn is on board with this
direction but a late regression disocvery means the completion of this
functionality needs to cook a bit longer, so it is code
reorganizations only for now.
Summary:
- Add infrastructure for supporting background commands along with
support for device sanitization and firmware update
- Introduce a CXL performance monitoring unit driver based on the
common definition in the specification.
- Land some preparatory cleanup and refactoring for the anticipated
arrival of CXL type-2 (accelerator devices) and CXL RCH (CXL-v1.1
topology) error handling.
- Rework CPU cache management with respect to region configuration
(device hotplug or other dynamic changes to memory interleaving)
- Fix region reconfiguration vs CXL decoder ordering rules"
* tag 'cxl-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (51 commits)
cxl: Fix one kernel-doc comment
cxl/pci: Use correct flag for sanitize polling
docs: perf: Minimal introduction the the CXL PMU device and driver
perf: CXL Performance Monitoring Unit driver
tools/testing/cxl: add firmware update emulation to CXL memdevs
tools/testing/cxl: Use named effects for the Command Effect Log
tools/testing/cxl: Fix command effects for inject/clear poison
cxl: add a firmware update mechanism using the sysfs firmware loader
cxl/test: Add Secure Erase opcode support
cxl/mem: Support Secure Erase
cxl/test: Add Sanitize opcode support
cxl/mem: Wire up Sanitization support
cxl/mbox: Add sanitization handling machinery
cxl/mem: Introduce security state sysfs file
cxl/mbox: Allow for IRQ_NONE case in the isr
Revert "cxl/port: Enable the HDM decoder capability for switch ports"
cxl/memdev: Formalize endpoint port linkage
cxl/pci: Unconditionally unmask 256B Flit errors
cxl/region: Manage decoder target_type at decoder-attach time
cxl/hdm: Default CXL_DEVTYPE_DEVMEM decoders to CXL_DECODER_DEVMEM
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm and DAX updates from Vishal Verma:
"This is mostly small cleanups and fixes, with the biggest change being
the change to the DAX fault handler allowing it to return
VM_FAULT_HWPOISON.
Summary:
- DAX fixes and cleanups including a use after free, extra
references, and device unregistration, and a redundant variable.
- Allow the DAX fault handler to return VM_FAULT_HWPOISON
- A few libnvdimm cleanups such as making some functions and
variables static where sufficient.
- Add a few missing prototypes for wrapped functions in
tools/testing/nvdimm"
* tag 'libnvdimm-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: enable dax fault handler to report VM_FAULT_HWPOISON
nvdimm: make security_show static
nvdimm: make nd_class variable static
dax/kmem: Pass valid argument to memory_group_register_static
fsdax: remove redundant variable 'error'
dax: Cleanup extra dax_region references
dax: Introduce alloc_dev_dax_id()
dax: Use device_unregister() in unregister_dax_mapping()
dax: Fix dax_mapping_release() use after free
tools/testing/nvdimm: Drop empty platform remove function
libnvdimm: mark 'security_show' static again
testing: nvdimm: add missing prototypes for wrapped functions
dax: fix missing-prototype warnings
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git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
Pull another sysctl fix from Luis Chamberlain:
"Just one minor nit I forgot to merge"
* tag 'sysctl-fixes-v2-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
sysctl: set variable sysctl_mount_point storage-class-specifier to static
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull flexible-array update from Gustavo Silva:
"Transform a zero-length array into a C99 flexible-array member.
This addresses a build failure with Clang by fixing multiple
'-Warray-bounds' warnings in drivers/staging/ks7010/ks_wlan_net.c"
* tag 'flex-array-transformations-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
uapi: wireless: Replace zero-length array with flexible-array member
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Before commit d67790ddf021 ("overflow: Add struct_size_t() helper") only
struct_size() existed, which expects a valid pointer instance containing
the flexible array.
However, when we determine the default struct pid allocation size for
the associated kmem cache of a pid namespace we need to take the nesting
depth of the pid namespace into account without an variable instance
necessarily being available.
In commit b69f0aeb0689 ("pid: Replace struct pid 1-element array with
flex-array") we used to handle this the old fashioned way and cast NULL
to a struct pid pointer type. However, we do apparently have a dedicated
struct_size_t() helper for exactly this case. So switch to that.
Suggested-by: Kees Cook <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since do_vmi_align_munmap() will always honor the downgrade request on
the success, the callers no longer have to deal with confusing return
codes. Since all callers that request downgrade actually want the lock
to be dropped, change the downgrade to an unlock request.
Note that the lock still needs to be held in read mode during the page
table clean up to avoid races with a map request.
Update do_vmi_align_munmap() to return 0 for success. Clean up the
callers and comments to always expect the unlock to be honored on the
success path. The error path will always leave the lock untouched.
As part of the cleanup, the wrapper function do_vmi_munmap() and callers
to the wrapper are also updated.
Suggested-by: Linus Torvalds <[email protected]>
Link: https://lore.kernel.org/linux-mm/[email protected]/
Signed-off-by: Liam R. Howlett <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Now that stack growth must always hold the mmap_lock for write, we can
always downgrade the mmap_lock to read and safely unmap pages from the
page table, even if we're next to a stack.
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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MMU version of lock_mm_and_find_vma releases the mm lock before
returning when VMA is not found. Do the same in noMMU version.
This fixes hang on an attempt to handle protection fault.
Fixes: d85a143b69ab ("xtensa: fix NOMMU build with lock_mm_and_find_vma() conversion")
Signed-off-by: Max Filippov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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source.codeaurora.org is no longer accessible and so the reference link
in the documentation is not useful. Use iproute2 instead as it has a
rmnet module for configuration.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Sean Tranchetti <[email protected]>
Signed-off-by: Subash Abhinov Kasiviswanathan <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Reword slightly now that all MAINTAINERS have access to the commands.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add CDC-ECM support for LARA-R6 01B.
The new LARA-R6 product variant identified by the "01B" string can be
configured (by AT interface) in three different USB modes:
* Default mode (Vendor ID: 0x1546 Product ID: 0x1311) with 4 serial
interfaces
* RmNet mode (Vendor ID: 0x1546 Product ID: 0x1312) with 4 serial
interfaces and 1 RmNet virtual network interface
* CDC-ECM mode (Vendor ID: 0x1546 Product ID: 0x1313) with 4 serial
interface and 1 CDC-ECM virtual network interface
The first 4 interfaces of all the 3 configurations (default, RmNet, ECM)
are the same.
In CDC-ECM mode LARA-R6 01B exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parset/alternative functions
If 4: CDC-ECM interface
Signed-off-by: Davide Tronchin <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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KVM VMX changes for 6.5:
- Fix missing/incorrect #GP checks on ENCLS
- Use standard mmu_notifier hooks for handling APIC access page
- Misc cleanups
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KVM SVM changes for 6.5:
- Drop manual TR/TSS load after VM-Exit now that KVM uses VMLOAD for host state
- Fix a not-yet-problematic missing call to trace_kvm_exit() for VM-Exits that
are handled in the fastpath
- Print more descriptive information about the status of SEV and SEV-ES during
module load
- Assert that misc_cg_set_capacity() doesn't fail to avoid should-be-impossible
memory leaks
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KVM selftests changes for 6.5:
- Add a test for splitting and reconstituting hugepages during and after
dirty logging
- Add support for CPU pinning in demand paging test
- Generate dependency files so that partial rebuilds work as expected
- Misc cleanups and fixes
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KVM x86/pmu changes for 6.5:
- Add support for AMD PerfMonV2, with a variety of cleanups and minor fixes
included along the way
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KVM x86/mmu changes for 6.5:
- Add back a comment about the subtle side effect of try_cmpxchg64() in
tdp_mmu_set_spte_atomic()
- Add an assertion in __kvm_mmu_invalidate_addr() to verify that the target
KVM MMU is the current MMU
- Add a "never" option to effectively avoid creating NX hugepage recovery
threads
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KVM x86 changes for 6.5:
* Move handling of PAT out of MTRR code and dedup SVM+VMX code
* Fix output of PIC poll command emulation when there's an interrupt
* Add a maintainer's handbook to document KVM x86 processes, preferred coding
style, testing expectations, etc.
* Misc cleanups
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Common KVM changes for 6.5:
- Fix unprotected vcpu->pid dereference via debugfs
- Fix KVM_BUG() and KVM_BUG_ON() macros with 64-bit conditionals
- Refactor failure path in kvm_io_bus_unregister_dev() to simplify the code
- Misc cleanups
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 6.5
- Eager page splitting optimization for dirty logging, optionally
allowing for a VM to avoid the cost of block splitting in the stage-2
fault path.
- Arm FF-A proxy for pKVM, allowing a pKVM host to safely interact with
services that live in the Secure world. pKVM intervenes on FF-A calls
to guarantee the host doesn't misuse memory donated to the hyp or a
pKVM guest.
- Support for running the split hypervisor with VHE enabled, known as
'hVHE' mode. This is extremely useful for testing the split
hypervisor on VHE-only systems, and paves the way for new use cases
that depend on having two TTBRs available at EL2.
- Generalized framework for configurable ID registers from userspace.
KVM/arm64 currently prevents arbitrary CPU feature set configuration
from userspace, but the intent is to relax this limitation and allow
userspace to select a feature set consistent with the CPU.
- Enable the use of Branch Target Identification (FEAT_BTI) in the
hypervisor.
- Use a separate set of pointer authentication keys for the hypervisor
when running in protected mode, as the host is untrusted at runtime.
- Ensure timer IRQs are consistently released in the init failure
paths.
- Avoid trapping CTR_EL0 on systems with Enhanced Virtualization Traps
(FEAT_EVT), as it is a register commonly read from userspace.
- Erratum workaround for the upcoming AmpereOne part, which has broken
hardware A/D state management.
As a consequence of the hVHE series reworking the arm64 software
features framework, the for-next/module-alloc branch from the arm64 tree
comes along for the ride.
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KVM/riscv changes for 6.5
- Redirect AMO load/store misaligned traps to KVM guest
- Trap-n-emulate AIA in-kernel irqchip for KVM guest
- Svnapot support for KVM Guest
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https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
* New uvdevice secret API
* New CMM selftest
* cmm fix
* diag 9c racy access of target cpu fix
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git://git.samba.org/sfrench/cifs-2.6
Pull smb client updates from Steve French:
- Deferred close fix
- Debugging improvements: display missing mount option, dump rc on
invalidate inode failures, print client_guid in DebugData, log
session id when matching session not found in reconnect, new dynamic
tracepoint for session not found
- Mount fixes including: potential null dereference, and possible
memory leak and path name parsing when double slashes
- Fix potential use after free in compounding
- Two crediting (flow control) fixes: fix for crediting leak (stress
scenario with excess lease credits) and better locking around
updating credits
- Three cleanups from issues pointed out by the kernel test robot
- Session state check improvements (including for potential use after
free)
- DFS fixes: Fix for getattr on link when DFS disabled, fix for DFS
mounts to same share with different prefix paths, DFS mount error
checking improvement
* tag '6.5-rc-smb3-client-fixes-part1' of git://git.samba.org/sfrench/cifs-2.6:
cifs: new dynamic tracepoint to track ses not found errors
cifs: log session id when a matching ses is not found
smb: client: improve DFS mount check
smb: client: fix shared DFS root mounts with different prefixes
smb: client: fix parsing of source mount option
smb: client: fix broken file attrs with nodfs mounts
cifs: print client_guid in DebugData
cifs: fix session state check in smb2_find_smb_ses
cifs: fix session state check in reconnect to avoid use-after-free issue
cifs: do all necessary checks for credits within or before locking
cifs: prevent use-after-free by freeing the cfile later
smb: client: fix warning in generic_ip_connect()
smb: client: fix warning in CIFSFindNext()
smb: client: fix warning in CIFSFindFirst()
smb3: do not reserve too many oplock credits
cifs: print more detail when invalidate_inode_mapping fails
smb: client: fix warning in cifs_smb3_do_mount()
smb: client: fix warning in cifs_match_super()
cifs: print nosharesock value while dumping mount options
SMB3: Do not send lease break acknowledgment if all file handles have been closed
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Pull ksmbd server updates from Steve French:
- two fixes for compounding bugs (make sure no out of bound reads with
less common combinations of commands in the compound)
- eight minor cleanup patches (e.g. simplifying return values, replace
one element array, use of kzalloc where simpler)
- fix for clang warning on possible overflow in filename conversion
* tag '6.5-rc-ksmbd-server-fixes-part1' of git://git.samba.org/ksmbd:
ksmbd: avoid field overflow warning
ksmbd: Replace one-element array with flexible-array member
ksmbd: Use struct_size() helper in ksmbd_negotiate_smb_dialect()
ksmbd: add missing compound request handing in some commands
ksmbd: fix out of bounds read in smb2_sess_setup
ksmbd: Replace the ternary conditional operator with min()
ksmbd: use kvzalloc instead of kvmalloc
ksmbd: Change the return value of ksmbd_vfs_query_maximal_access to void
ksmbd: return a literal instead of 'err' in ksmbd_vfs_kern_path_locked()
ksmbd: use kzalloc() instead of __GFP_ZERO
ksmbd: remove unused ksmbd_tree_conn_share function
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix ordering of attributes in NFSv4 GETATTR replies
* tag 'nfsd-6.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: Fix creation time serialization order
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git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching update from Petr Mladek:
- Make a variable static to fix a sparse warning
* tag 'livepatching-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
livepatch: Make 'klp_stack_entries' static
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"Although some more stuff is brewing, the EFI changes that are ready
for mainline are few this cycle:
- improve the PCI DMA paranoia logic in the EFI stub
- some constification changes
- add statfs support to efivarfs
- allow user space to enumerate updatable firmware resources without
CAP_SYS_ADMIN"
* tag 'efi-next-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/libstub: Disable PCI DMA before grabbing the EFI memory map
efi/esrt: Allow ESRT access without CAP_SYS_ADMIN
efivarfs: expose used and total size
efi: make kobj_type structure constant
efi: x86: make kobj_type structure constant
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Add linear akcipher/sig API
- Add tfm cloning (hmac, cmac)
- Add statesize to crypto_ahash
Algorithms:
- Allow only odd e and restrict value in FIPS mode for RSA
- Replace LFSR with SHA3-256 in jitter
- Add interface for gathering of raw entropy in jitter
Drivers:
- Fix race on data_avail and actual data in hwrng/virtio
- Add hash and HMAC support in starfive
- Add RSA algo support in starfive
- Add support for PCI device 0x156E in ccp"
* tag 'v6.5-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (85 commits)
crypto: akcipher - Do not copy dst if it is NULL
crypto: sig - Fix verify call
crypto: akcipher - Set request tfm on sync path
crypto: sm2 - Provide sm2_compute_z_digest when sm2 is disabled
hwrng: imx-rngc - switch to DEFINE_SIMPLE_DEV_PM_OPS
hwrng: st - keep clock enabled while hwrng is registered
hwrng: st - support compile-testing
hwrng: imx-rngc - fix the timeout for init and self check
KEYS: asymmetric: Use new crypto interface without scatterlists
KEYS: asymmetric: Move sm2 code into x509_public_key
KEYS: Add forward declaration in asymmetric-parser.h
crypto: sig - Add interface for sign/verify
crypto: akcipher - Add sync interface without SG lists
crypto: cipher - On clone do crypto_mod_get()
crypto: api - Add __crypto_alloc_tfmgfp
crypto: api - Remove crypto_init_ops()
crypto: rsa - allow only odd e and restrict value in FIPS mode
crypto: geniv - Split geniv out of AEAD Kconfig option
crypto: algboss - Add missing dependency on RNG2
crypto: starfive - Add RSA algo support
...
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It turns out that xtensa has a really odd configuration situation: you
can do a no-MMU config, but still have the page fault code enabled.
Which doesn't sound all that sensible, but it turns out that xtensa can
have protection faults even without the MMU, and we have this:
config PFAULT
bool "Handle protection faults" if EXPERT && !MMU
default y
help
Handle protection faults. MMU configurations must enable it.
noMMU configurations may disable it if used memory map never
generates protection faults or faults are always fatal.
If unsure, say Y.
which completely violated my expectations of the page fault handling.
End result: Guenter reports that the xtensa no-MMU builds all fail with
arch/xtensa/mm/fault.c: In function ‘do_page_fault’:
arch/xtensa/mm/fault.c:133:8: error: implicit declaration of function ‘lock_mm_and_find_vma’
because I never exposed the new lock_mm_and_find_vma() function for the
no-MMU case.
Doing so is simple enough, and fixes the problem.
Reported-and-tested-by: Guenter Roeck <[email protected]>
Fixes: a050ba1e7422 ("mm/fault: convert remaining simple cases to lock_mm_and_find_vma()")
Signed-off-by: Linus Torvalds <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-6.5
Pull MD fix from Song:
"This patch fixes data corruption caused by discard on raid0 array with
original layout."
* tag 'md-fixes-20230630' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md/raid0: add discard support for the 'original' layout
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syzbot reports below bug:
BUG: KASAN: slab-use-after-free in f2fs_truncate_data_blocks_range+0x122a/0x14c0 fs/f2fs/file.c:574
Read of size 4 at addr ffff88802a25c000 by task syz-executor148/5000
CPU: 1 PID: 5000 Comm: syz-executor148 Not tainted 6.4.0-rc7-syzkaller-00041-ge660abd551f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351
print_report mm/kasan/report.c:462 [inline]
kasan_report+0x11c/0x130 mm/kasan/report.c:572
f2fs_truncate_data_blocks_range+0x122a/0x14c0 fs/f2fs/file.c:574
truncate_dnode+0x229/0x2e0 fs/f2fs/node.c:944
f2fs_truncate_inode_blocks+0x64b/0xde0 fs/f2fs/node.c:1154
f2fs_do_truncate_blocks+0x4ac/0xf30 fs/f2fs/file.c:721
f2fs_truncate_blocks+0x7b/0x300 fs/f2fs/file.c:749
f2fs_truncate.part.0+0x4a5/0x630 fs/f2fs/file.c:799
f2fs_truncate include/linux/fs.h:825 [inline]
f2fs_setattr+0x1738/0x2090 fs/f2fs/file.c:1006
notify_change+0xb2c/0x1180 fs/attr.c:483
do_truncate+0x143/0x200 fs/open.c:66
handle_truncate fs/namei.c:3295 [inline]
do_open fs/namei.c:3640 [inline]
path_openat+0x2083/0x2750 fs/namei.c:3791
do_filp_open+0x1ba/0x410 fs/namei.c:3818
do_sys_openat2+0x16d/0x4c0 fs/open.c:1356
do_sys_open fs/open.c:1372 [inline]
__do_sys_creat fs/open.c:1448 [inline]
__se_sys_creat fs/open.c:1442 [inline]
__x64_sys_creat+0xcd/0x120 fs/open.c:1442
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The root cause is, inodeA references inodeB via inodeB's ino, once inodeA
is truncated, it calls truncate_dnode() to truncate data blocks in inodeB's
node page, it traverse mapping data from node->i.i_addr[0] to
node->i.i_addr[ADDRS_PER_BLOCK() - 1], result in out-of-boundary access.
This patch fixes to add sanity check on dnode page in truncate_dnode(),
so that, it can help to avoid triggering such issue, and once it encounters
such issue, it will record newly introduced ERROR_INVALID_NODE_REFERENCE
error into superblock, later fsck can detect such issue and try repairing.
Also, it removes f2fs_truncate_data_blocks() for cleanup due to the
function has only one caller, and uses f2fs_truncate_data_blocks_range()
instead.
Reported-and-tested-by: [email protected]
Closes: https://lore.kernel.org/linux-f2fs-devel/[email protected]
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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If a file is not comprssed yet or does not have compressed data,
for example, its data has a very low compression ratio, do not
set FI_COMPRESS_RELEASED flag.
Signed-off-by: Sheng Yong <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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fs/f2fs/node.c: In function ‘f2fs_destroy_node_manager’:
fs/f2fs/node.c:3390:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
3390 | }
Merging below pointer arrays into common one, and reuse it by cast type.
struct nat_entry *natvec[NATVEC_SIZE];
struct nat_entry_set *setvec[SETVEC_SIZE];
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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If truncate_node() fails in truncate_dnode(), it missed to call
f2fs_put_page(), fix it.
Fixes: 7735730d39d7 ("f2fs: fix to propagate error from __get_meta_page()")
Signed-off-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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Thread #1:
[122554.641906][ T92] f2fs_getxattr+0xd4/0x5fc
-> waiting for f2fs_down_read(&F2FS_I(inode)->i_xattr_sem);
[122554.641927][ T92] __f2fs_get_acl+0x50/0x284
[122554.641948][ T92] f2fs_init_acl+0x84/0x54c
[122554.641969][ T92] f2fs_init_inode_metadata+0x460/0x5f0
[122554.641990][ T92] f2fs_add_inline_entry+0x11c/0x350
-> Locked dir->inode_page by f2fs_get_node_page()
[122554.642009][ T92] f2fs_do_add_link+0x100/0x1e4
[122554.642025][ T92] f2fs_create+0xf4/0x22c
[122554.642047][ T92] vfs_create+0x130/0x1f4
Thread #2:
[123996.386358][ T92] __get_node_page+0x8c/0x504
-> waiting for dir->inode_page lock
[123996.386383][ T92] read_all_xattrs+0x11c/0x1f4
[123996.386405][ T92] __f2fs_setxattr+0xcc/0x528
[123996.386424][ T92] f2fs_setxattr+0x158/0x1f4
-> f2fs_down_write(&F2FS_I(inode)->i_xattr_sem);
[123996.386443][ T92] __f2fs_set_acl+0x328/0x430
[123996.386618][ T92] f2fs_set_acl+0x38/0x50
[123996.386642][ T92] posix_acl_chmod+0xc8/0x1c8
[123996.386669][ T92] f2fs_setattr+0x5e0/0x6bc
[123996.386689][ T92] notify_change+0x4d8/0x580
[123996.386717][ T92] chmod_common+0xd8/0x184
[123996.386748][ T92] do_fchmodat+0x60/0x124
[123996.386766][ T92] __arm64_sys_fchmodat+0x28/0x3c
Cc: <[email protected]>
Fixes: 27161f13e3c3 "f2fs: avoid race in between read xattr & write xattr"
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
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