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Pull smb client fix from Steve French:
"An important fix to address recent netfs regression (data corruption)"
* tag '6.10-rc-smb-fix' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix data corruption in read after invalidate
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
- more folio conversion patches
- add support for FS_IOC_GETFSSYSFSPATH
- mballoc cleaups and add more kunit tests
- sysfs cleanups and bug fixes
- miscellaneous bug fixes and cleanups
* tag 'ext4_for_linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
ext4: fix error pointer dereference in ext4_mb_load_buddy_gfp()
jbd2: add prefix 'jbd2' for 'shrink_type'
jbd2: use shrink_type type instead of bool type for __jbd2_journal_clean_checkpoint_list()
ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()
ext4: remove calls to to set/clear the folio error flag
ext4: propagate errors from ext4_sb_bread() in ext4_xattr_block_cache_find()
ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()
jbd2: remove redundant assignement to variable err
ext4: remove the redundant folio_wait_stable()
ext4: fix potential unnitialized variable
ext4: convert ac_buddy_page to ac_buddy_folio
ext4: convert ac_bitmap_page to ac_bitmap_folio
ext4: convert ext4_mb_init_cache() to take a folio
ext4: convert bd_buddy_page to bd_buddy_folio
ext4: convert bd_bitmap_page to bd_bitmap_folio
ext4: open coding repeated check in next_linear_group
ext4: use correct criteria name instead stale integer number in comment
ext4: call ext4_mb_mark_free_simple to free continuous bits in found chunk
ext4: add test_mb_mark_used_cost to estimate cost of mb_mark_used
ext4: keep "prefetch_grp" and "nr" consistent
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Pull nfsd updates from Chuck Lever:
"This is a light release containing mostly optimizations, code clean-
ups, and minor bug fixes. This development cycle has focused on non-
upstream kernel work:
1. Continuing to build upstream CI for NFSD, based on kdevops
2. Backporting NFSD filecache-related fixes to selected LTS kernels
One notable new feature in v6.10 NFSD is the addition of a new netlink
protocol dedicated to configuring NFSD. A new user space tool,
nfsdctl, is to be added to nfs-utils. Lots more to come here.
As always I am very grateful to NFSD contributors, reviewers, testers,
and bug reporters who participated during this cycle"
* tag 'nfsd-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (29 commits)
NFSD: Force all NFSv4.2 COPY requests to be synchronous
SUNRPC: Fix gss_free_in_token_pages()
NFS/knfsd: Remove the invalid NFS error 'NFSERR_OPNOTSUPP'
knfsd: LOOKUP can return an illegal error value
nfsd: set security label during create operations
NFSD: Add COPY status code to OFFLOAD_STATUS response
NFSD: Record status of async copy operation in struct nfsd4_copy
SUNRPC: Remove comment for sp_lock
NFSD: add listener-{set,get} netlink command
SUNRPC: add a new svc_find_listener helper
SUNRPC: introduce svc_xprt_create_from_sa utility routine
NFSD: add write_version to netlink command
NFSD: convert write_threads to netlink command
NFSD: allow callers to pass in scope string to nfsd_svc
NFSD: move nfsd_mutex handling into nfsd_svc callers
lockd: host: Remove unnecessary statements＇host = NULL;＇
nfsd: don't create nfsv4recoverydir in nfsdfs when not used.
nfsd: optimise recalculate_deny_mode() for a common case
nfsd: add tracepoint in mark_client_expired_locked
nfsd: new tracepoint for check_slot_seqid
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Avoid 'constexpr', which is a keyword in C23
- Allow 'dtbs_check' and 'dt_compatible_check' run independently of
'dt_binding_check'
- Fix weak references to avoid GOT entries in position-independent code
generation
- Convert the last use of 'optional' property in arch/sh/Kconfig
- Remove support for the 'optional' property in Kconfig
- Remove support for Clang's ThinLTO caching, which does not work with
the .incbin directive
- Change the semantics of $(src) so it always points to the source
directory, which fixes Makefile inconsistencies between upstream and
downstream
- Fix 'make tar-pkg' for RISC-V to produce a consistent package
- Provide reasonable default coverage for objtool, sanitizers, and
profilers
- Remove redundant OBJECT_FILES_NON_STANDARD, KASAN_SANITIZE, etc.
- Remove the last use of tristate choice in drivers/rapidio/Kconfig
- Various cleanups and fixes in Kconfig
* tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (46 commits)
kconfig: use sym_get_choice_menu() in sym_check_prop()
rapidio: remove choice for enumeration
kconfig: lxdialog: remove initialization with A_NORMAL
kconfig: m/nconf: merge two item_add_str() calls
kconfig: m/nconf: remove dead code to display value of bool choice
kconfig: m/nconf: remove dead code to display children of choice members
kconfig: gconf: show checkbox for choice correctly
kbuild: use GCOV_PROFILE and KCSAN_SANITIZE in scripts/Makefile.modfinal
Makefile: remove redundant tool coverage variables
kbuild: provide reasonable defaults for tool coverage
modules: Drop the .export_symbol section from the final modules
kconfig: use menu_list_for_each_sym() in sym_check_choice_deps()
kconfig: use sym_get_choice_menu() in conf_write_defconfig()
kconfig: add sym_get_choice_menu() helper
kconfig: turn defaults and additional prompt for choice members into error
kconfig: turn missing prompt for choice members into error
kconfig: turn conf_choice() into void function
kconfig: use linked list in sym_set_changed()
kconfig: gconf: use MENU_CHANGED instead of SYMBOL_CHANGED
kconfig: gconf: remove debug code
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"This brings ioctl control to Landlock, contributed by Günther Noack.
This also adds him as a Landlock reviewer, and fixes an issue in the
sample"
* tag 'landlock-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
MAINTAINERS: Add Günther Noack as Landlock reviewer
fs/ioctl: Add a comment to keep the logic in sync with LSM policies
MAINTAINERS: Notify Landlock maintainers about changes to fs/ioctl.c
landlock: Document IOCTL support
samples/landlock: Add support for LANDLOCK_ACCESS_FS_IOCTL_DEV
selftests/landlock: Exhaustive test for the IOCTL allow-list
selftests/landlock: Check IOCTL restrictions for named UNIX domain sockets
selftests/landlock: Test IOCTLs on named pipes
selftests/landlock: Test ioctl(2) and ftruncate(2) with open(O_PATH)
selftests/landlock: Test IOCTL with memfds
selftests/landlock: Test IOCTL support
landlock: Add IOCTL access right for character and block devices
samples/landlock: Fix incorrect free in populate_ruleset_net
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Pull more io_uring updates from Jens Axboe:
"This adds support for IORING_CQE_F_SOCK_NONEMPTY for io_uring accept
requests.
This is very similar to previous work that enabled the same hint for
doing receives on sockets. By far the majority of the work here is
refactoring to enable the networking side to pass back whether or not
the socket had more pending requests after accepting the current one,
the last patch just wires it up for io_uring.
Not only does this enable applications to know whether there are more
connections to accept right now, it also enables smarter logic for
io_uring multishot accept on whether to retry immediately or wait for
a poll trigger"
* tag 'net-accept-more-20240515' of git://git.kernel.dk/linux:
io_uring/net: wire up IORING_CQE_F_SOCK_NONEMPTY for accept
net: pass back whether socket was empty post accept
net: have do_accept() take a struct proto_accept_arg argument
net: change proto and proto_ops accept type
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Remove unused ftrace_direct_funcs variables
- Fix a possible NULL pointer dereference race in eventfs
- Update do_div() usage in trace event benchmark test
- Speedup direct function registration with asynchronous RCU callback.
The synchronization was done in the registration code and this caused
delays when registering direct callbacks. Move the freeing to a
call_rcu() that will prevent delaying of the registering.
- Replace simple_strtoul() usage with kstrtoul()
* tag 'trace-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
eventfs: Fix a possible null pointer dereference in eventfs_find_events()
ftrace: Fix possible use-after-free issue in ftrace_location()
ftrace: Remove unused global 'ftrace_direct_func_count'
ftrace: Remove unused list 'ftrace_direct_funcs'
tracing: Improve benchmark test performance by using do_div()
ftrace: Use asynchronous grace period for register_ftrace_direct()
ftrace: Replaces simple_strtoul in ftrace
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git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Remove sentinel elements from ctl_table structs in kernel/*
Removing sentinels in ctl_table arrays reduces the build time size
and runtime memory consumed by ~64 bytes per array. Removals for
net/, io_uring/, mm/, ipc/ and security/ are set to go into mainline
through their respective subsystems making the next release the most
likely place where the final series that removes the check for
proc_name == NULL will land.
This adds to removals already in arch/, drivers/ and fs/.
- Adjust ctl_table definitions and references to allow constification
- Remove unused ctl_table function arguments
- Move non-const elements from ctl_table to ctl_table_header
- Make ctl_table pointers const in ctl_table_root structure
Making the static ctl_table structs const will increase safety by
keeping the pointers to proc_handler functions in .rodata. Though no
ctl_tables where made const in this PR, the ground work for making
that possible has started with these changes sent by Thomas
Weißschuh.
* tag 'sysctl-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
sysctl: drop now unnecessary out-of-bounds check
sysctl: move sysctl type to ctl_table_header
sysctl: drop sysctl_is_perm_empty_ctl_table
sysctl: treewide: constify argument ctl_table_root::permissions(table)
sysctl: treewide: drop unused argument ctl_table_root::set_ownership(table)
bpf: Remove the now superfluous sentinel elements from ctl_table array
delayacct: Remove the now superfluous sentinel elements from ctl_table array
kprobes: Remove the now superfluous sentinel elements from ctl_table array
printk: Remove the now superfluous sentinel elements from ctl_table array
scheduler: Remove the now superfluous sentinel elements from ctl_table array
seccomp: Remove the now superfluous sentinel elements from ctl_table array
timekeeping: Remove the now superfluous sentinel elements from ctl_table array
ftrace: Remove the now superfluous sentinel elements from ctl_table array
umh: Remove the now superfluous sentinel elements from ctl_table array
kernel misc: Remove the now superfluous sentinel elements from ctl_table array
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This code calls folio_put() on an error pointer which will lead to a
crash. Check for both error pointers and NULL pointers before calling
folio_put().
Fixes: 5eea586b47f0 ("ext4: convert bd_buddy_page to bd_buddy_folio")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/eaafa1d9-a61c-4af4-9f97-d3ad72c60200@moroto.mountain
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When invalidating a file as part of breaking a lease, the folios holding
the file data are disposed of, and truncate calls ->invalidate_folio()
to get rid of them rather than calling ->release_folio(). This means
that the netfs_inode::zero_point value didn't get updated in current
upstream code to reflect the point after which we can assume that the
server will only return zeroes, and future reads will then return blocks
of zeroes if the file got extended for any region beyond the old zero
point.
Fix this by updating zero_point before invalidating the inode in
cifs_revalidate_mapping().
Suggested-by: David Howells <dhowells@redhat.com>
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
Reviewed-by: David Howells <dhowell@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Pull smb client updates from Steve French:
- three important fixes to recent netfs conversion to fix various
xfstest failures, and rmmod oops
- cleanup patch to fix various GCC-14 warnings
* tag '6.10-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb3: fix perf regression with cached writes with netfs conversion
cifs: Fix locking in cifs_strict_readv()
cifs: Change from mempool_destroy to mempool_exit for request pools
smb: smb2pdu.h: Avoid -Wflex-array-member-not-at-end warnings
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ssh://ra.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"Two IMA changes, one EVM change, a use after free bug fix, and a code
cleanup to address "-Wflex-array-member-not-at-end" warnings:
- The existing IMA {ascii, binary}_runtime_measurements lists include
a hard coded SHA1 hash. To address this limitation, define per TPM
enabled hash algorithm {ascii, binary}_runtime_measurements lists
- Close an IMA integrity init_module syscall measurement gap by
defining a new critical-data record
- Enable (partial) EVM support on stacked filesystems (overlayfs).
Only EVM portable & immutable file signatures are copied up, since
they do not contain filesystem specific metadata"
* tag 'integrity-v6.10' of ssh://ra.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: add crypto agility support for template-hash algorithm
evm: Rename is_unsupported_fs to is_unsupported_hmac_fs
fs: Rename SB_I_EVM_UNSUPPORTED to SB_I_EVM_HMAC_UNSUPPORTED
evm: Enforce signatures on unsupported filesystem for EVM_INIT_X509
ima: re-evaluate file integrity on file metadata change
evm: Store and detect metadata inode attributes changes
ima: Move file-change detection variables into new structure
evm: Use the metadata inode to calculate metadata hash
evm: Implement per signature type decision in security_inode_copy_up_xattr
security: allow finer granularity in permitting copy-up of security xattrs
ima: Rename backing_inode to real_inode
integrity: Avoid -Wflex-array-member-not-at-end warnings
ima: define an init_module critical data record
ima: Fix use-after-free on a dentry's dname.name
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Complete rework of garbage collection of AF_UNIX sockets.
AF_UNIX is prone to forming reference count cycles due to fd
passing functionality. New method based on Tarjan's Strongly
Connected Components algorithm should be both faster and remove a
lot of workarounds we accumulated over the years.
- Add TCP fraglist GRO support, allowing chaining multiple TCP
packets and forwarding them together. Useful for small switches /
routers which lack basic checksum offload in some scenarios (e.g.
PPPoE).
- Support using SMP threads for handling packet backlog i.e. packet
processing from software interfaces and old drivers which don't use
NAPI. This helps move the processing out of the softirq jumble.
- Continue work of converting from rtnl lock to RCU protection.
Don't require rtnl lock when reading: IPv6 routing FIB, IPv6
address labels, netdev threaded NAPI sysfs files, bonding driver's
sysfs files, MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics,
TC Qdiscs, neighbor entries, ARP entries via ioctl(SIOCGARP), a lot
of the link information available via rtnetlink.
- Small optimizations from Eric to UDP wake up handling, memory
accounting, RPS/RFS implementation, TCP packet sizing etc.
- Allow direct page recycling in the bulk API used by XDP, for +2%
PPS.
- Support peek with an offset on TCP sockets.
- Add MPTCP APIs for querying last time packets were received/sent/acked
and whether MPTCP "upgrade" succeeded on a TCP socket.
- Add intra-node communication shortcut to improve SMC performance.
- Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol
driver.
- Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
- Add reset reasons for tracing what caused a TCP reset to be sent.
- Introduce direction attribute for xfrm (IPSec) states. State can be
used either for input or output packet processing.
Things we sprinkled into general kernel code:
- Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
This required touch-ups and renaming of a few existing users.
- Add Endian-dependent __counted_by_{le,be} annotations.
- Make building selftests "quieter" by printing summaries like
"CC object.o" rather than full commands with all the arguments.
Netfilter:
- Use GFP_KERNEL to clone elements, to deal better with OOM
situations and avoid failures in the .commit step.
BPF:
- Add eBPF JIT for ARCv2 CPUs.
- Support attaching kprobe BPF programs through kprobe_multi link in
a session mode, meaning, a BPF program is attached to both function
entry and return, the entry program can decide if the return
program gets executed and the entry program can share u64 cookie
value with return program. "Session mode" is a common use-case for
tetragon and bpftrace.
- Add the ability to specify and retrieve BPF cookie for raw
tracepoint programs in order to ease migration from classic to raw
tracepoints.
- Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86, ARM64 and RISC-V
JITs. This allows inlining functions which need to access per-CPU
state.
- Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86
instruction. Support BPF arena on ARM64.
- Add a new bpf_wq API for deferring events and refactor
process-context bpf_timer code to keep common code where possible.
- Harden the BPF verifier's and/or/xor value tracking.
- Introduce crypto kfuncs to let BPF programs call kernel crypto
APIs.
- Support bpf_tail_call_static() helper for BPF programs with GCC 13.
- Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled.
Driver API:
- Skip software TC processing completely if all installed rules are
marked as HW-only, instead of checking the HW-only flag rule by
rule.
- Add support for configuring PoE (Power over Ethernet), similar to
the already existing support for PoDL (Power over Data Line)
config.
- Initial bits of a queue control API, for now allowing a single
queue to be reset without disturbing packet flow to other queues.
- Common (ethtool) statistics for hardware timestamping.
Tests and tooling:
- Remove the need to create a config file to run the net forwarding
tests so that a naive "make run_tests" can exercise them.
- Define a method of writing tests which require an external endpoint
to communicate with (to send/receive data towards the test
machine). Add a few such tests.
- Create a shared code library for writing Python tests. Expose the
YAML Netlink library from tools/ to the tests for easy Netlink
access.
- Move netfilter tests under net/, extend them, separate performance
tests from correctness tests, and iron out issues found by running
them "on every commit".
- Refactor BPF selftests to use common network helpers.
- Further work filling in YAML definitions of Netlink messages for:
nftables, team driver, bonding interfaces, vlan interfaces, VF
info, TC u32 mark, TC police action.
- Teach Python YAML Netlink to decode attribute policies.
- Extend the definition of the "indexed array" construct in the specs
to cover arrays of scalars rather than just nests.
- Add hyperlinks between definitions in generated Netlink docs.
Drivers:
- Make sure unsupported flower control flags are rejected by drivers,
and make more drivers report errors directly to the application
rather than dmesg (large number of driver changes from Asbjørn
Sloth Tønnesen).
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support multiple RSS contexts and steering traffic to them
- support XDP metadata
- make page pool allocations more NUMA aware
- Intel (100G, ice, idpf):
- extract datapath code common among Intel drivers into a library
- use fewer resources in switchdev by sharing queues with the PF
- add PFCP filter support
- add Ethernet filter support
- use a spinlock instead of HW lock in PTP clock ops
- support 5 layer Tx scheduler topology
- nVidia/Mellanox:
- 800G link modes and 100G SerDes speeds
- per-queue IRQ coalescing configuration
- Marvell Octeon:
- support offloading TC packet mark action
- Ethernet NICs consumer, embedded and virtual:
- stop lying about skb->truesize in USB Ethernet drivers, it
messes up TCP memory calculations
- Google cloud vNIC:
- support changing ring size via ethtool
- support ring reset using the queue control API
- VirtIO net:
- expose flow hash from RSS to XDP
- per-queue statistics
- add selftests
- Synopsys (stmmac):
- support controllers which require an RX clock signal from the
MII bus to perform their hardware initialization
- TI:
- icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
- icssg_prueth: add SW TX / RX Coalescing based on hrtimers
- cpsw: minimal XDP support
- Renesas (ravb):
- support describing the MDIO bus
- Realtek (r8169):
- add support for RTL8168M
- Microchip Sparx5:
- matchall and flower actions mirred and redirect
- Ethernet switches:
- nVidia/Mellanox:
- improve events processing performance
- Marvell:
- add support for MV88E6250 family internal PHYs
- Microchip:
- add DCB and DSCP mapping support for KSZ switches
- vsc73xx: convert to PHYLINK
- Realtek:
- rtl8226b/rtl8221b: add C45 instances and SerDes switching
- Many driver changes related to PHYLIB and PHYLINK deprecated API
cleanup
- Ethernet PHYs:
- Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
- micrel: lan8814: add support for PPS out and external timestamp trigger
- WiFi:
- Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices
drivers. Modern devices can only be configured using nl80211.
- mac80211/cfg80211
- handle color change per link for WiFi 7 Multi-Link Operation
- Intel (iwlwifi):
- don't support puncturing in 5 GHz
- support monitor mode on passive channels
- BZ-W device support
- P2P with HE/EHT support
- re-add support for firmware API 90
- provide channel survey information for Automatic Channel Selection
- MediaTek (mt76):
- mt7921 LED control
- mt7925 EHT radiotap support
- mt7920e PCI support
- Qualcomm (ath11k):
- P2P support for QCA6390, WCN6855 and QCA2066
- support hibernation
- ieee80211-freq-limit Device Tree property support
- Qualcomm (ath12k):
- refactoring in preparation of multi-link support
- suspend and hibernation support
- ACPI support
- debugfs support, including dfs_simulate_radar support
- RealTek:
- rtw88: RTL8723CS SDIO device support
- rtw89: RTL8922AE Wi-Fi 7 PCI device support
- rtw89: complete features of new WiFi 7 chip 8922AE including
BT-coexistence and Wake-on-WLAN
- rtw89: use BIOS ACPI settings to set TX power and channels
- rtl8xxxu: enable Management Frame Protection (MFP) support
- Bluetooth:
- support for Intel BlazarI and Filmore Peak2 (BE201)
- support for MediaTek MT7921S SDIO
- initial support for Intel PCIe BT driver
- remove HCI_AMP support"
* tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1827 commits)
selftests: netfilter: fix packetdrill conntrack testcase
net: gro: fix napi_gro_cb zeroed alignment
Bluetooth: btintel_pcie: Refactor and code cleanup
Bluetooth: btintel_pcie: Fix warning reported by sparse
Bluetooth: hci_core: Fix not handling hdev->le_num_of_adv_sets=1
Bluetooth: btintel: Fix compiler warning for multi_v7_defconfig config
Bluetooth: btintel_pcie: Fix compiler warnings
Bluetooth: btintel_pcie: Add *setup* function to download firmware
Bluetooth: btintel_pcie: Add support for PCIe transport
Bluetooth: btintel: Export few static functions
Bluetooth: HCI: Remove HCI_AMP support
Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
Bluetooth: qca: Fix error code in qca_read_fw_build_info()
Bluetooth: hci_conn: Use __counted_by() and avoid -Wfamnae warning
Bluetooth: btintel: Add support for Filmore Peak2 (BE201)
Bluetooth: btintel: Add support for BlazarI
LE Create Connection command timeout increased to 20 secs
dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
Bluetooth: compute LE flow credits based on recvbuf space
Bluetooth: hci_sync: Use cmd->num_cis instead of magic number
...
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Pull fsverity update from Eric Biggers:
"Fix a false positive kmemleak warning"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
fsverity: use register_sysctl_init() to avoid kmemleak warning
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Pull fscrypt update from Eric Biggers:
"Improve the performance of opening unencrypted files on filesystems
that support fscrypt"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: try to avoid refing parent dentry in fscrypt_file_open
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs update from Mike Marshall:
"Fix out-of-bounds fsid access.
Small fix to quiet warnings from string fortification helpers,
suggested by Arnd Bergmann"
* tag 'for-linus-6.10-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: fix out-of-bounds fsid access
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git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Andreas Gruenbacher:
- Properly fix the glock shrinker this time: it broke in commit "gfs2:
Make glock lru list scanning safer" and commit "gfs2: fix glock
shrinker ref issues" wasn't actually enough to fix it
- On unmount, keep glocks around long enough that no more dlm callbacks
can occur on them
- Some more folio conversion patches from Matthew Wilcox
- Lots of other smaller fixes and cleanups
* tag 'gfs2-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2: (27 commits)
gfs2: make timeout values more explicit
gfs2: Convert gfs2_aspace_writepage() to use a folio
gfs2: Add a migrate_folio operation for journalled files
gfs2: Simplify gfs2_read_super
gfs2: Convert gfs2_page_mkwrite() to use a folio
gfs2: gfs2_freeze_unlock cleanup
gfs2: Remove and replace gfs2_glock_queue_work
gfs2: do_xmote fixes
gfs2: finish_xmote cleanup
gfs2: Unlock fewer glocks on unmount
gfs2: Fix potential glock use-after-free on unmount
gfs2: Remove ill-placed consistency check
gfs2: Fix lru_count accounting
gfs2: Fix "Make glock lru list scanning safer"
Revert "gfs2: fix glock shrinker ref issues"
gfs2: Fix "ignore unlock failures after withdraw"
gfs2: Get rid of unnecessary test_and_set_bit
gfs2: Don't set GLF_LOCK in gfs2_dispose_glock_lru
gfs2: Replace gfs2_glock_queue_put with gfs2_glock_put_async
gfs2: Get rid of gfs2_glock_queue_put in signal_our_withdraw
...
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git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm updates from David Teigland:
"This set includes some small fixes, and some big internal changes:
- Fix a long standing race between the unlock callback for the last
lkb struct, and removing the rsb that became unused after the final
unlock. This could lead different nodes to inconsistent info about
the rsb master node.
- Remove unnecessary refcounting on callback structs, returning to
the way things were done in the past.
- Do message processing in softirq context. This allows dlm messages
to be cleared more quickly and efficiently, reducing long lists of
incomplete requests. A future change to run callbacks directly from
this context will make this more effective.
- The softirq message processing involved a number of patches
changing mutexes to spinlocks and rwlocks, and a fair amount of
code re-org in preparation.
- Use an rhashtable for rsb structs, rather than our old internal
hash table implementation. This also required some re-org of lists
and locks preparation for the change.
- Drop the dlm_scand kthread, and use timers to clear unused rsb
structs. Scanning all rsb's periodically was a lot of wasted work.
- Fix recent regression in logic for copying LVB data in user space
lock requests"
* tag 'dlm-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: (34 commits)
dlm: return -ENOMEM if ls_recover_buf fails
dlm: fix sleep in atomic context
dlm: use rwlock for lkbidr
dlm: use rwlock for rsb hash table
dlm: drop dlm_scand kthread and use timers
dlm: do not use ref counts for rsb in the toss state
dlm: switch to use rhashtable for rsbs
dlm: add rsb lists for iteration
dlm: merge toss and keep hash table lists into one list
dlm: change to single hashtable lock
dlm: increment ls_count for dlm_scand
dlm: do message processing in softirq context
dlm: use spin_lock_bh for message processing
dlm: remove schedule in receive path
dlm: convert ls_recv_active from rw_semaphore to rwlock
dlm: avoid blocking receive at the end of recovery
dlm: convert res_lock to spinlock
dlm: convert ls_waiters_mutex to spinlock
dlm: drop mutex use in waiters recovery
dlm: add new struct to save position in dlm_copy_master_names
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This update brings a few minor performance improvements, otherwise
there's a lot of refactoring, cleanups and other sort of not user
visible changes.
Performance improvements:
- inline b-tree locking functions, improvement in metadata-heavy
changes
- relax locking on a range that's being reflinked, allows read
operations to run in parallel
- speed up NOCOW write checks (throughput +9% on a sample test)
- extent locking ranges have been reduced in several places, namely
around delayed ref processing
Core:
- more page to folio conversions:
- relocation
- send
- compression
- inline extent handling
- super block write and wait
- extent_map structure optimizations:
- reduced structure size
- code simplifications
- add shrinker for allocated objects, the numbers can go high and
could exhaust memory on smaller systems (reported) as they may
not get an opportunity to be freed fast enough
- extent locking optimizations:
- reduce locking ranges where it does not seem to be necessary and
are safe due to other means of synchronization
- potential improvements due to lower contention,
allocation/freeing and state management operations of extent
state tracking structures
- delayed ref cleanups and simplifications
- updated trace points
- improved error handling, warnings and assertions
- cleanups and refactoring, unification of error handling paths"
* tag 'for-6.10-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (122 commits)
btrfs: qgroup: fix initialization of auto inherit array
btrfs: count super block write errors in device instead of tracking folio error state
btrfs: use the folio iterator in btrfs_end_super_write()
btrfs: convert super block writes to folio in write_dev_supers()
btrfs: convert super block writes to folio in wait_dev_supers()
bio: Export bio_add_folio_nofail to modules
btrfs: remove duplicate included header from fs.h
btrfs: add a cached state to extent_clear_unlock_delalloc
btrfs: push extent lock down in submit_one_async_extent
btrfs: push lock_extent down in cow_file_range()
btrfs: move can_cow_file_range_inline() outside of the extent lock
btrfs: push lock_extent into cow_file_range_inline
btrfs: push extent lock into cow_file_range
btrfs: push extent lock into run_delalloc_cow
btrfs: remove unlock_extent from run_delalloc_compressed
btrfs: push extent lock down in run_delalloc_nocow
btrfs: adjust while loop condition in run_delalloc_nocow
btrfs: push extent lock into run_delalloc_nocow
btrfs: push the extent lock into btrfs_run_delalloc_range
btrfs: lock extent when doing inline extent in compression
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"The LZ4 global buffer count is now configurable instead of the
previous per-CPU buffers, which is useful for bare metals with
hundreds of CPUs. A reserved buffer pool for LZ4 decompression can
also be enabled to minimize the tail allocation latencies under the
low memory scenarios with heavy memory pressure.
In addition, Zstandard algorithm is now supported as an alternative
since it has been requested by users for a while.
There are some random cleanups as usual.
Summary:
- Make LZ4 global buffers configurable instead of per-CPU buffers
- Add a reserved buffer pool for LZ4 decompression for lower latencies
- Support Zstandard compression algorithm as an alternative
- Derive fsid from on-disk UUID for .statfs() if possible
- Minor cleanups"
* tag 'erofs-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: Zstandard compression support
erofs: clean up z_erofs_load_full_lcluster()
erofs: derive fsid from on-disk UUID for .statfs() if possible
erofs: add a reserved buffer pool for lz4 decompression
erofs: do not use pagepool in z_erofs_gbuf_growsize()
erofs: rename per-CPU buffers to global buffer pool and make it configurable
erofs: rename utils.c to zutil.c
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Write through mode is for cache=none, not for default (when
caching is allowed if we have a lease). Some tests were running
much, much more slowly as a result of disabling caching of
writes by default.
Reviewed-by: David Howells <dhowells@redhat.com>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"Only a handful of changes this cycle, consisting of cleanup work and a
low-prio bugfix:
- Additional cleanup by Tim for the efivarfs variable name length
confusion
- Avoid freeing a bogus pointer when virtual remapping is omitted in
the EFI boot stub"
* tag 'efi-next-for-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: libstub: only free priv.runtime_map when allocated
efi: Clear up misconceptions about a maximum variable name size
efivarfs: Remove unused internal struct members
Documentation: Mark the 'efivars' sysfs interface as removed
efi: pstore: Request at most 512 bytes for variable names
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In function eventfs_find_events,there is a potential null pointer
that may be caused by calling update_events_attr which will perform
some operations on the members of the ei struct when ei is NULL.
Hence,When ei->is_freed is set,return NULL directly.
Link: https://lore.kernel.org/linux-trace-kernel/20240513053338.63017-1-hao.ge@linux.dev
Cc: stable@vger.kernel.org
Fixes: 8186fff7ab64 ("tracefs/eventfs: Use root and instance inodes as default ownership")
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Rather than pass in flags, error pointer, and whether this is a kernel
invocation or not, add a struct proto_accept_arg struct as the argument.
This then holds all of these arguments, and prepares accept for being
able to pass back more information.
No functional changes in this patch.
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Fix to take the i_rwsem (through the netfs locking wrappers) before taking
cinode->lock_sem.
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
Reported-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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insmod followed by rmmod was oopsing with the new mempools cifs request patch
Fixes: edea94a69730 ("cifs: Add mempools for cifs_io_request and cifs_io_subrequest structs")
Suggested-by: David Howells <dhowells@redhat.com>
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>
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-Wflex-array-member-not-at-end is coming in GCC-14, and we are getting
ready to enable it globally.
So, in order to avoid ending up with a flexible-array member in the
middle of multiple other structs, we use the `__struct_group()` helper
to separate the flexible array from the rest of the members in the
flexible structure, and use the tagged `struct create_context_hdr`
instead of `struct create_context`.
So, with these changes, fix 51 of the following warnings[1]:
fs/smb/client/../common/smb2pdu.h:1225:31: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
Link: https://gist.github.com/GustavoARSilva/772526a39be3dd4db39e71497f0a9893 [1]
Link: https://github.com/KSPP/linux/issues/202
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"The bulk of the changes here are related to refactoring and expanding
the KUnit tests for string helper and fortify behavior.
Some trivial strncpy replacements in fs/ were carried in my tree. Also
some fixes to SCSI string handling were carried in my tree since the
helper for those was introduce here. Beyond that, just little fixes
all around: objtool getting confused about LKDTM+KCFI, preparing for
future refactors (constification of sysctl tables, additional
__counted_by annotations), a Clang UBSAN+i386 crash fix, and adding
more options in the hardening.config Kconfig fragment.
Summary:
- selftests: Add str*cmp tests (Ivan Orlov)
- __counted_by: provide UAPI for _le/_be variants (Erick Archer)
- Various strncpy deprecation refactors (Justin Stitt)
- stackleak: Use a copy of soon-to-be-const sysctl table (Thomas
Weißschuh)
- UBSAN: Work around i386 -regparm=3 bug with Clang prior to
version 19
- Provide helper to deal with non-NUL-terminated string copying
- SCSI: Fix older string copying bugs (with new helper)
- selftests: Consolidate string helper behavioral tests
- selftests: add memcpy() fortify tests
- string: Add additional __realloc_size() annotations for "dup"
helpers
- LKDTM: Fix KCFI+rodata+objtool confusion
- hardening.config: Enable KCFI"
* tag 'hardening-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (29 commits)
uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
stackleak: Use a copy of the ctl_table argument
string: Add additional __realloc_size() annotations for "dup" helpers
kunit/fortify: Fix replaced failure path to unbreak __alloc_size
hardening: Enable KCFI and some other options
lkdtm: Disable CFI checking for perms functions
kunit/fortify: Add memcpy() tests
kunit/fortify: Do not spam logs with fortify WARNs
kunit/fortify: Rename tests to use recommended conventions
init: replace deprecated strncpy with strscpy_pad
kunit/fortify: Fix mismatched kvalloc()/vfree() usage
scsi: qla2xxx: Avoid possible run-time warning with long model_num
scsi: mpi3mr: Avoid possible run-time warning with long manufacturer strings
scsi: mptfusion: Avoid possible run-time warning with long manufacturer strings
fs: ecryptfs: replace deprecated strncpy with strscpy
hfsplus: refactor copy_name to not use strncpy
reiserfs: replace deprecated strncpy with scnprintf
virt: acrn: replace deprecated strncpy with strscpy
ubsan: Avoid i386 UBSAN handler crashes with Clang
ubsan: Remove 1-element array usage in debug reporting
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull execve updates from Kees Cook:
- Provide knob to change (previously fixed) coredump NOTES size
(Allen Pais)
- Add sched_prepare_exec tracepoint (Marco Elver)
- Make /proc/$pid/auxv work under binfmt_elf_fdpic (Max Filippov)
- Convert ARCH_HAVE_EXTRA_ELF_NOTES to proper Kconfig (Vignesh
Balasubramanian)
- Leave a gap between .bss and brk
* tag 'execve-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
fs/coredump: Enable dynamic configuration of max file note size
binfmt_elf_fdpic: fix /proc/<pid>/auxv
binfmt_elf: Leave a gap between .bss and brk
Replace macro "ARCH_HAVE_EXTRA_ELF_NOTES" with kconfig
tracing: Add sched_prepare_exec tracepoint
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Pull block updates from Jens Axboe:
- Add a partscan attribute in sysfs, fixing an issue with systemd
relying on an internal interface that went away.
- Attempt #2 at making long running discards interruptible. The
previous attempt went into 6.9, but we ended up mostly reverting it
as it had issues.
- Remove old ida_simple API in bcache
- Support for zoned write plugging, greatly improving the performance
on zoned devices.
- Remove the old throttle low interface, which has been experimental
since 2017 and never made it beyond that and isn't being used.
- Remove page->index debugging checks in brd, as it hasn't caught
anything and prepares us for removing in struct page.
- MD pull request from Song
- Don't schedule block workers on isolated CPUs
* tag 'for-6.10/block-20240511' of git://git.kernel.dk/linux: (84 commits)
blk-throttle: delay initialization until configuration
blk-throttle: remove CONFIG_BLK_DEV_THROTTLING_LOW
block: fix that util can be greater than 100%
block: support to account io_ticks precisely
block: add plug while submitting IO
bcache: fix variable length array abuse in btree_iter
bcache: Remove usage of the deprecated ida_simple_xx() API
md: Revert "md: Fix overflow in is_mddev_idle"
blk-lib: check for kill signal in ioctl BLKDISCARD
block: add a bio_await_chain helper
block: add a blk_alloc_discard_bio helper
block: add a bio_chain_and_submit helper
block: move discard checks into the ioctl handler
block: remove the discard_granularity check in __blkdev_issue_discard
block/ioctl: prefer different overflow check
null_blk: Fix the WARNING: modpost: missing MODULE_DESCRIPTION()
block: fix and simplify blkdevparts= cmdline parsing
block: refine the EOF check in blkdev_iomap_begin
block: add a partscan sysfs attribute for disks
block: add a disk_has_partscan helper
...
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Pull vfs rw iterator updates from Christian Brauner:
"The core fs signalfd, userfaultfd, and timerfd subsystems did still
use f_op->read() instead of f_op->read_iter(). Convert them over since
we should aim to get rid of f_op->read() at some point.
Aside from that io_uring and others want to mark files as FMODE_NOWAIT
so it can make use of per-IO nonblocking hints to enable more
efficient IO. Converting those users to f_op->read_iter() allows them
to be marked with FMODE_NOWAIT"
* tag 'vfs-6.10.rw' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
signalfd: convert to ->read_iter()
userfaultfd: convert to ->read_iter()
timerfd: convert to ->read_iter()
new helper: copy_to_iter_full()
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull netfs updates from Christian Brauner:
"This reworks the netfslib writeback implementation so that pages read
from the cache are written to the cache through ->writepages(),
thereby allowing the fscache page flag to be retired.
The reworking also:
- builds on top of the new writeback_iter() infrastructure
- makes it possible to use vectored write RPCs as discontiguous
streams of pages can be accommodated
- makes it easier to do simultaneous content crypto and stream
division
- provides support for retrying writes and re-dividing a stream
- replaces the ->launder_folio() op, so that ->writepages() is used
instead
- uses mempools to allocate the netfs_io_request and
netfs_io_subrequest structs to avoid allocation failure in the
writeback path
Some code that uses the fscache page flag is retained for
compatibility purposes with nfs and ceph. The code is switched to
using the synonymous private_2 label instead and marked with
deprecation comments.
The merge commit contains additional details on the new algorithm that
I've left out of here as it would probably be excessively detailed.
On top of the netfslib infrastructure this contains the work to
convert cifs over to netfslib"
* tag 'vfs-6.10.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (38 commits)
cifs: Enable large folio support
cifs: Remove some code that's no longer used, part 3
cifs: Remove some code that's no longer used, part 2
cifs: Remove some code that's no longer used, part 1
cifs: Cut over to using netfslib
cifs: Implement netfslib hooks
cifs: Make add_credits_and_wake_if() clear deducted credits
cifs: Add mempools for cifs_io_request and cifs_io_subrequest structs
cifs: Set zero_point in the copy_file_range() and remap_file_range()
cifs: Move cifs_loose_read_iter() and cifs_file_write_iter() to file.c
cifs: Replace the writedata replay bool with a netfs sreq flag
cifs: Make wait_mtu_credits take size_t args
cifs: Use more fields from netfs_io_subrequest
cifs: Replace cifs_writedata with a wrapper around netfs_io_subrequest
cifs: Replace cifs_readdata with a wrapper around netfs_io_subrequest
cifs: Use alternative invalidation to using launder_folio
netfs, afs: Use writeback retry to deal with alternate keys
netfs: Miscellaneous tidy ups
netfs: Remove the old writeback code
netfs: Cut over to using new writeback code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount API conversions from Christian Brauner:
"This converts qnx6, minix, debugfs, tracefs, freevxfs, and openpromfs
to the new mount api, further reducing the number of filesystems
relying on the legacy mount api"
* tag 'vfs-6.10.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
minix: convert minix to use the new mount api
vfs: Convert tracefs to use the new mount API
vfs: Convert debugfs to use the new mount API
openpromfs: finish conversion to the new mount API
freevxfs: Convert freevxfs to the new mount API.
qnx6: convert qnx6 to use the new mount api
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull misc vfs updates from Christian Brauner:
"This contains the usual miscellaneous features, cleanups, and fixes
for vfs and individual fses.
Features:
- Free up FMODE_* bits. I've freed up bits 6, 7, 8, and 24. That
means we now have six free FMODE_* bits in total (but bit #6
already got used for FMODE_WRITE_RESTRICTED)
- Add FOP_HUGE_PAGES flag (follow-up to FMODE_* cleanup)
- Add fd_raw cleanup class so we can make use of automatic cleanup
provided by CLASS(fd_raw, f)(fd) for O_PATH fds as well
- Optimize seq_puts()
- Simplify __seq_puts()
- Add new anon_inode_getfile_fmode() api to allow specifying f_mode
instead of open-coding it in multiple places
- Annotate struct file_handle with __counted_by() and use
struct_size()
- Warn in get_file() whether f_count resurrection from zero is
attempted (epoll/drm discussion)
- Folio-sophize aio
- Export the subvolume id in statx() for both btrfs and bcachefs
- Relax linkat(AT_EMPTY_PATH) requirements
- Add F_DUPFD_QUERY fcntl() allowing to compare two file descriptors
for dup*() equality replacing kcmp()
Cleanups:
- Compile out swapfile inode checks when swap isn't enabled
- Use (1 << n) notation for FMODE_* bitshifts for clarity
- Remove redundant variable assignment in fs/direct-io
- Cleanup uses of strncpy in orangefs
- Speed up and cleanup writeback
- Move fsparam_string_empty() helper into header since it's currently
open-coded in multiple places
- Add kernel-doc comments to proc_create_net_data_write()
- Don't needlessly read dentry->d_flags twice
Fixes:
- Fix out-of-range warning in nilfs2
- Fix ecryptfs overflow due to wrong encryption packet size
calculation
- Fix overly long line in xfs file_operations (follow-up to FMODE_*
cleanup)
- Don't raise FOP_BUFFER_{R,W}ASYNC for directories in xfs (follow-up
to FMODE_* cleanup)
- Don't call xfs_file_open from xfs_dir_open (follow-up to FMODE_*
cleanup)
- Fix stable offset api to prevent endless loops
- Fix afs file server rotations
- Prevent xattr node from overflowing the eraseblock in jffs2
- Move fdinfo PTRACE_MODE_READ procfs check into the .permission()
operation instead of .open() operation since this caused userspace
regressions"
* tag 'vfs-6.10.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (39 commits)
afs: Fix fileserver rotation getting stuck
selftests: add F_DUPDFD_QUERY selftests
fcntl: add F_DUPFD_QUERY fcntl()
file: add fd_raw cleanup class
fs: WARN when f_count resurrection is attempted
seq_file: Simplify __seq_puts()
seq_file: Optimize seq_puts()
proc: Move fdinfo PTRACE_MODE_READ check into the inode .permission operation
fs: Create anon_inode_getfile_fmode()
xfs: don't call xfs_file_open from xfs_dir_open
xfs: drop fop_flags for directories
xfs: fix overly long line in the file_operations
shmem: Fix shmem_rename2()
libfs: Add simple_offset_rename() API
libfs: Fix simple_offset_rename_exchange()
jffs2: prevent xattr node from overflowing the eraseblock
vfs, swap: compile out IS_SWAPFILE() on swapless configs
vfs: relax linkat() AT_EMPTY_PATH - aka flink() - requirements
fs/direct-io: remove redundant assignment to variable retval
fs/dcache: Re-use value stored to dentry->d_flags instead of re-reading
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs iomap updates from Christian Brauner:
"This contains a few cleanups to the iomap code. Nothing particularly
stands out"
* tag 'vfs-6.10.iomap' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iomap: do some small logical cleanup in buffered write
iomap: make iomap_write_end() return a boolean
iomap: use a new variable to handle the written bytes in iomap_write_iter()
iomap: don't increase i_size if it's not a write operation
iomap: drop the write failure handles when unsharing and zeroing
iomap: convert iomap_writepages to writeack_iter
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Landlock's IOCTL support needs to partially replicate the list of
IOCTLs from do_vfs_ioctl(). The list of commands implemented in
do_vfs_ioctl() should be kept in sync with Landlock's IOCTL policies.
Suggested-by: Paul Moore <paul@paul-moore.com>
Suggested-by: Mickaël Salaün <mic@digikod.net>
Signed-off-by: Günther Noack <gnoack@google.com>
Link: https://lore.kernel.org/r/20240419161122.2023765-12-gnoack@google.com
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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net-accept-more
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1557 commits)
net: qede: use extack in qede_parse_actions()
net: qede: propagate extack through qede_flow_spec_validate()
net: qede: use faked extack in qede_flow_spec_to_rule()
net: qede: use extack in qede_parse_flow_attr()
net: qede: add extack in qede_add_tc_flower_fltr()
net: qede: use extack in qede_flow_parse_udp_v4()
net: qede: use extack in qede_flow_parse_udp_v6()
net: qede: use extack in qede_flow_parse_tcp_v4()
net: qede: use extack in qede_flow_parse_tcp_v6()
net: qede: use extack in qede_flow_parse_v4_common()
net: qede: use extack in qede_flow_parse_v6_common()
net: qede: use extack in qede_set_v4_tuple_to_profile()
net: qede: use extack in qede_set_v6_tuple_to_profile()
net: qede: use extack in qede_flow_parse_ports()
net: usb: smsc95xx: stop lying about skb->truesize
net: dsa: microchip: Fix spellig mistake "configur" -> "configure"
af_unix: Add dead flag to struct scm_fp_list.
net: ethernet: adi: adin1110: Replace linux/gpio.h by proper one
octeontx2-pf: Reuse Transmit queue/Send queue index of HTB class
gve: Use ethtool_sprintf/puts() to fill stats strings
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"18 hotfixes, 7 of which are cc:stable.
More fixups for this cycle's page_owner updates. And a few userfaultfd
fixes. Otherwise, random singletons - see the individual changelogs
for details"
* tag 'mm-hotfixes-stable-2024-05-10-13-14' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: add entry for Barry Song
selftests/mm: fix powerpc ARCH check
mailmap: add entry for John Garry
XArray: set the marks correctly when splitting an entry
selftests/vDSO: fix runtime errors on LoongArch
selftests/vDSO: fix building errors on LoongArch
mm,page_owner: don't remove __GFP_NOLOCKDEP in add_stack_record_to_list
fs/proc/task_mmu: fix uffd-wp confusion in pagemap_scan_pmd_entry()
fs/proc/task_mmu: fix loss of young/dirty bits during pagemap scan
mm/vmalloc: fix return value of vb_alloc if size is 0
mm: use memalloc_nofs_save() in page_cache_ra_order()
kmsan: compiler_types: declare __no_sanitize_or_inline
lib/test_xarray.c: fix error assumptions on check_xa_multi_store_adv_add()
tools: fix userspace compilation with new test_xarray changes
MAINTAINERS: update URL's for KEYS/KEYRINGS_INTEGRITY and TPM DEVICE DRIVER
mm: page_owner: fix wrong information in dump_page_owner
maple_tree: fix mas_empty_area_rev() null pointer dereference
mm/userfaultfd: reset ptes when close() for wr-protected ones
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Fix the fileserver rotation code in a couple of ways:
(1) op->server_states is an array, not a pointer to a single record, so
fix the places that access it to index it.
(2) In the places that go through an address list to work out which one
has the best priority, fix the loops to skip known failed addresses.
Without this, the rotation algorithm may get stuck on addresses that are
inaccessible or don't respond.
This can be triggered manually by finding a server that advertises a
non-routable address and giving it a higher priority, eg.:
echo "add udp 192.168.0.0/16 3000" >/proc/fs/afs/addr_prefs
if the server, say, includes the address 192.168.7.7 in its address list,
and then attempting to access a volume on that server.
Fixes: 495f2ae9e355 ("afs: Fix fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/4005300.1712309731@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/998836.1714746152@warthog.procyon.org.uk
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Often userspace needs to know whether two file descriptors refer to the
same struct file. For example, systemd uses this to filter out duplicate
file descriptors in it's file descriptor store (cf. [1]) and vulkan uses
it to compare dma-buf fds (cf. [2]).
The only api we provided for this was kcmp() but that's not generally
available or might be disallowed because it is way more powerful (allows
ordering of file pointers, operates on non-current task) etc. So give
userspace a simple way of comparing two file descriptors for sameness
adding a new fcntl() F_DUDFD_QUERY.
Link: https://github.com/systemd/systemd/blob/a4f0e0da3573a10bc5404142be8799418760b1d1/src/basic/fd-util.c#L517 [1]
Link: https://gitlab.freedesktop.org/wlroots/wlroots/-/blob/master/render/vulkan/texture.c#L490 [2]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[brauner: commit message]
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Kbuild conventionally uses $(obj)/ for generated files, and $(src)/ for
checked-in source files. It is merely a convention without any functional
difference. In fact, $(obj) and $(src) are exactly the same, as defined
in scripts/Makefile.build:
src := $(obj)
When the kernel is built in a separate output directory, $(src) does
not accurately reflect the source directory location. While Kbuild
resolves this discrepancy by specifying VPATH=$(srctree) to search for
source files, it does not cover all cases. For example, when adding a
header search path for local headers, -I$(srctree)/$(src) is typically
passed to the compiler.
This introduces inconsistency between upstream and downstream Makefiles
because $(src) is used instead of $(srctree)/$(src) for the latter.
To address this inconsistency, this commit changes the semantics of
$(src) so that it always points to the directory in the source tree.
Going forward, the variables used in Makefiles will have the following
meanings:
$(obj) - directory in the object tree
$(src) - directory in the source tree (changed by this commit)
$(objtree) - the top of the kernel object tree
$(srctree) - the top of the kernel source tree
Consequently, $(srctree)/$(src) in upstream Makefiles need to be replaced
with $(src).
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
35d92abfbad8 ("net: hns3: fix kernel crash when devlink reload during initialization")
2a1a1a7b5fd7 ("net: hns3: add command queue trace for hns3")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As 'shrink_type' is exported. The module prefix 'jbd2' is added to
distinguish from memory reclamation.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20240407065355.1528580-3-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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__jbd2_journal_clean_checkpoint_list()
"enum shrink_type" can clearly express the meaning of the parameter of
__jbd2_journal_clean_checkpoint_list(), and there is no need to use the
bool type.
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Link: https://lore.kernel.org/r/20240407065355.1528580-2-yebin10@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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In the following concurrency we will access the uninitialized rs->lock:
ext4_fill_super
ext4_register_sysfs
// sysfs registered msg_ratelimit_interval_ms
// Other processes modify rs->interval to
// non-zero via msg_ratelimit_interval_ms
ext4_orphan_cleanup
ext4_msg(sb, KERN_INFO, "Errors on filesystem, "
__ext4_msg
___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state)
if (!rs->interval) // do nothing if interval is 0
return 1;
raw_spin_trylock_irqsave(&rs->lock, flags)
raw_spin_trylock(lock)
_raw_spin_trylock
__raw_spin_trylock
spin_acquire(&lock->dep_map, 0, 1, _RET_IP_)
lock_acquire
__lock_acquire
register_lock_class
assign_lock_key
dump_stack();
ratelimit_state_init(&sbi->s_msg_ratelimit_state, 5 * HZ, 10);
raw_spin_lock_init(&rs->lock);
// init rs->lock here
and get the following dump_stack:
=========================================================
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 12 PID: 753 Comm: mount Tainted: G E 6.7.0-rc6-next-20231222 #504
[...]
Call Trace:
dump_stack_lvl+0xc5/0x170
dump_stack+0x18/0x30
register_lock_class+0x740/0x7c0
__lock_acquire+0x69/0x13a0
lock_acquire+0x120/0x450
_raw_spin_trylock+0x98/0xd0
___ratelimit+0xf6/0x220
__ext4_msg+0x7f/0x160 [ext4]
ext4_orphan_cleanup+0x665/0x740 [ext4]
__ext4_fill_super+0x21ea/0x2b10 [ext4]
ext4_fill_super+0x14d/0x360 [ext4]
[...]
=========================================================
Normally interval is 0 until s_msg_ratelimit_state is initialized, so
___ratelimit() does nothing. But registering sysfs precedes initializing
rs->lock, so it is possible to change rs->interval to a non-zero value
via the msg_ratelimit_interval_ms interface of sysfs while rs->lock is
uninitialized, and then a call to ext4_msg triggers the problem by
accessing an uninitialized rs->lock. Therefore register sysfs after all
initializations are complete to avoid such problems.
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240102133730.1098120-1-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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We've discovered that delivering a CB_OFFLOAD operation can be
unreliable in some pretty unremarkable situations. Examples
include:
- The server dropped the connection because it lost a forechannel
NFSv4 request and wishes to force the client to retransmit
- The GSS sequence number window under-flowed
- A network partition occurred
When that happens, all pending callback operations, including
CB_OFFLOAD, are lost. NFSD does not retransmit them.
Moreover, the Linux NFS client does not yet support sending an
OFFLOAD_STATUS operation to probe whether an asynchronous COPY
operation has finished. Thus, on Linux NFS clients, when a
CB_OFFLOAD is lost, asynchronous COPY can hang until manually
interrupted.
I've tried a couple of remedies, but so far the side-effects are
worse than the disease and they have had to be reverted. So
temporarily force COPY operations to be synchronous so that the use
of CB_OFFLOAD is avoided entirely. This is a fix that can easily be
backported to LTS kernels. I am working on client patches that
introduce an implementation of OFFLOAD_STATUS.
Note that NFSD arbitrarily limits the size of a copy_file_range
to 4MB to avoid indefinitely blocking an nfsd thread. A short
COPY result is returned in that case, and the client can present
a fresh COPY request for the remainder.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Nobody checks this flag on ext4 folios, stop setting and clearing it.
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20240420025029.2166544-11-willy@infradead.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Add Zstandard compression as the 4th supported algorithm since it
becomes more popular now and some end users have asked this for
quite a while [1][2].
Each EROFS physical cluster contains only one valid standard
Zstandard frame as described in [3] so that decompression can be
performed on a per-pcluster basis independently.
Currently, it just leverages multi-call stream decompression APIs with
internal sliding window buffers. One-shot or bufferless decompression
could be implemented later for even better performance if needed.
[1] https://github.com/erofs/erofs-utils/issues/6
[2] https://lore.kernel.org/r/Y08h+z6CZdnS1XBm@B-P7TQMD6M-0146.lan
[3] https://www.rfc-editor.org/rfc/rfc8478.txt
Acked-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240508234453.17896-1-xiang@kernel.org
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Pull smb server fixes from Steve French:
"Five ksmbd server fixes, all also for stable
- Three fixes related to SMB3 leases (fixes two xfstests, and a
locking issue)
- Unitialized variable fix
- Socket creation fix when bindv6only is set"
* tag '6.9-rc7-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: do not grant v2 lease if parent lease key and epoch are not set
ksmbd: use rwsem instead of rwlock for lease break
ksmbd: avoid to send duplicate lease break notifications
ksmbd: off ipv6only for both ipv4/ipv6 binding
ksmbd: fix uninitialized symbol 'share' in smb2_tree_connect()
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
"Two one-liner fixes for issues introduced in -rc1"
* tag 'fuse-fixes-6.9-final' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
virtiofs: include a newline in sysfs tag
fuse: verify zero padding in fuse_backing_map
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