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Author SHA1 Message Date
Zhang Rui
d39d586ee4 tools/power turbostat: Add initial support for GraniteRapids-D 
Add initial support for GraniteRapids-D. It shares the same features
with SapphireRapids.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Zhang Rui
26c57a152b tools/power turbostat: Remove PC3 support on Lunarlake 
Lunarlake supports CC1/CC6/CC7/PC2/PC6/PC10.

Remove PC3 support on Lunarlake.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Zhang Rui
3ae5f34384 tools/power turbostat: Rename arl_features to lnl_features 
As ARL shares the same features with ADL/RPL/MTL, now 'arl_features' is
used by Lunarlake platform only.

Rename 'arl_features' to 'lnl_features'.

No functional change.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Zhang Rui
b082e07aec tools/power turbostat: Add back PC8 support on Arrowlake 
Similar to ADL/RPL/MTL, ARL supports CC1/CC6/CC7/PC2/PC3/PC6/PC8/PC10.

Add back PC8 support on Arrowlake.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Zhang Rui
f5e2cf228f tools/power turbostat: Remove PC7/PC9 support on MTL 
Similar to ADL/RPL, MTL support CC1/CC6/CC7/PC2/PC3/PC6/PC8/CP10.

Remove PC7/PC9 support on MTL.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Patryk Wlazlyn
c808624e2d tools/power turbostat: Honor --show CPU, even when even when num_cpus=1 
Honor --show CPU and --show Core when "topo.num_cpus == 1".
Previously turbostat assumed that on a 1-CPU system, these
columns should never appear.

Honoring these flags makes it easier for several programs
that parse turbostat output.

Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Zhang Rui
fed8511cc8 tools/power turbostat: Fix trailing '\n' parsing 
parse_cpu_string() parses the string input either from command line or
from /sys/fs/cgroup/cpuset.cpus.effective to get a list of CPUs that
turbostat can run with.

The cpu string returned by /sys/fs/cgroup/cpuset.cpus.effective contains
a trailing '\n', but strtoul() fails to treat this as an error.

That says, for the code below
	val = ("\n", NULL, 10);
val returns 0, and errno is also not set.

As a result, CPU0 is erroneously considered as allowed CPU and this
causes failures when turbostat tries to run on CPU0.

 get_counters: Could not migrate to CPU 0
 ...
 turbostat: re-initialized with num_cpus 8, allowed_cpus 5
 get_counters: Could not migrate to CPU 0

Add a check to return immediately if '\n' or '\0' is detected.

Fixes: 8c3dd2c9e542 ("tools/power/turbostat: Abstrct function for parsing cpu string")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Patryk Wlazlyn
ae2cdf8d92 tools/power turbostat: Allow using cpu device in perf counters on hybrid platforms 
Intel hybrid platforms expose different perf devices for P and E cores.
Instead of one, "/sys/bus/event_source/devices/cpu" device, there are
"/sys/bus/event_source/devices/{cpu_core,cpu_atom}".

This, however makes it more complicated for the user,
because most of the counters are available on both and had to be
handled manually.

This patch allows users to use "virtual" cpu device that is seemingly
translated to cpu_core and cpu_atom perf devices, depending on the type
of a CPU we are opening the counter for.

Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Patryk Wlazlyn
ea8614c08d tools/power turbostat: Fix column printing for PMT xtal_time counters 
If the very first printed column was for a PMT counter of type xtal_time
we would misalign the column header, because we were always printing the
delimiter.

Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:06 -05:00
Todd Brandt
d4a058762f tools/power turbostat: fix GCC9 build regression 
Fix build regression seen when using old gcc-9 compiler.

Signed-off-by: Todd Brandt <todd.e.brandt@intel.com>
Reviewed-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2024-11-30 16:42:05 -05:00
Linus Torvalds
6a34dfa15d Kbuild updates for v6.13 
- Add generic support for built-in boot DTB files
 
  - Enable TAB cycling for dialog buttons in nconfig
 
  - Fix issues in streamline_config.pl
 
  - Refactor Kconfig
 
  - Add support for Clang's AutoFDO (Automatic Feedback-Directed
    Optimization)
 
  - Add support for Clang's Propeller, a profile-guided optimization.
 
  - Change the working directory to the external module directory for M=
    builds
 
  - Support building external modules in a separate output directory
 
  - Enable objtool for *.mod.o and additional kernel objects
 
  - Use lz4 instead of deprecated lz4c
 
  - Work around a performance issue with "git describe"
 
  - Refactor modpost
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Merge tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Add generic support for built-in boot DTB files

 - Enable TAB cycling for dialog buttons in nconfig

 - Fix issues in streamline_config.pl

 - Refactor Kconfig

 - Add support for Clang's AutoFDO (Automatic Feedback-Directed
   Optimization)

 - Add support for Clang's Propeller, a profile-guided optimization.

 - Change the working directory to the external module directory for M=
   builds

 - Support building external modules in a separate output directory

 - Enable objtool for *.mod.o and additional kernel objects

 - Use lz4 instead of deprecated lz4c

 - Work around a performance issue with "git describe"

 - Refactor modpost

* tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (85 commits)
  kbuild: rename .tmp_vmlinux.kallsyms0.syms to .tmp_vmlinux0.syms
  gitignore: Don't ignore 'tags' directory
  kbuild: add dependency from vmlinux to resolve_btfids
  modpost: replace tdb_hash() with hash_str()
  kbuild: deb-pkg: add python3:native to build dependency
  genksyms: reduce indentation in export_symbol()
  modpost: improve error messages in device_id_check()
  modpost: rename alias symbol for MODULE_DEVICE_TABLE()
  modpost: rename variables in handle_moddevtable()
  modpost: move strstarts() to modpost.h
  modpost: convert do_usb_table() to a generic handler
  modpost: convert do_of_table() to a generic handler
  modpost: convert do_pnp_device_entry() to a generic handler
  modpost: convert do_pnp_card_entries() to a generic handler
  modpost: call module_alias_printf() from all do_*_entry() functions
  modpost: pass (struct module *) to do_*_entry() functions
  modpost: remove DEF_FIELD_ADDR_VAR() macro
  modpost: deduplicate MODULE_ALIAS() for all drivers
  modpost: introduce module_alias_printf() helper
  modpost: remove unnecessary check in do_acpi_entry()
  ...
 2024-11-30 13:41:50 -08:00
Linus Torvalds
0e287d31b6 RTC for 6.13 
New drivers:
  - Amlogic A4 and A5 RTC
  - Marvell 88PM886 PMIC RTC
  - Renesas RTCA-3 for Renesas RZ/G3S
 
 Drivers:
  - ab-eoz9: fix temperature and alarm support
  - cmos: improve locking behaviour
  - isl12022: add alarm support
  - m48t59: improve epoch handling
  - mt6359: add range
  - rzn1: fix BCD conversions and simplify driver
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Merge tag 'rtc-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "New drivers:
   - Amlogic A4 and A5 RTC
   - Marvell 88PM886 PMIC RTC
   - Renesas RTCA-3 for Renesas RZ/G3S

  Driver updates:
   - ab-eoz9: fix temperature and alarm support
   - cmos: improve locking behaviour
   - isl12022: add alarm support
   - m48t59: improve epoch handling
   - mt6359: add range
   - rzn1: fix BCD conversions and simplify driver"

* tag 'rtc-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (38 commits)
  rtc: ab-eoz9: don't fail temperature reads on undervoltage notification
  rtc: rzn1: reduce register access
  rtc: rzn1: drop superfluous wday calculation
  m68k: mvme147, mvme16x: Adopt rtc-m48t59 platform driver
  rtc: brcmstb-waketimer: don't include 'pm_wakeup.h' directly
  rtc: m48t59: Use platform_data struct for year offset value
  rtc: ab-eoz9: fix abeoz9_rtc_read_alarm
  rtc: rv3028: fix RV3028_TS_COUNT type
  rtc: rzn1: update Michel's email
  rtc: rzn1: fix BCD to rtc_time conversion errors
  rtc: amlogic-a4: fix compile error
  rtc: amlogic-a4: drop error messages
  MAINTAINERS: Add an entry for Amlogic RTC driver
  rtc: support for the Amlogic on-chip RTC
  dt-bindings: rtc: Add Amlogic A4 and A5 RTC
  rtc: add driver for Marvell 88PM886 PMIC RTC
  rtc: check if __rtc_read_time was successful in rtc_timer_do_work()
  rtc: pcf8563: Switch to regmap
  rtc: pcf8563: Sort headers alphabetically
  rtc: abx80x: Fix WDT bit position of the status register
  ...
 2024-11-30 11:18:16 -08:00
Linus Torvalds
831c1926ee This pull request contains the following changes for UML: 
- Lots of cleanups, mostly from Benjamin Berg and Tiwei Bie
  - Removal of unused code
  - Fix for sparse warnings
  - Cleanup around stub_exe()
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Merge tag 'uml-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux

Pull UML updates from Richard Weinberger:

 - Lots of cleanups, mostly from Benjamin Berg and Tiwei Bie

 - Removal of unused code

 - Fix for sparse warnings

 - Cleanup around stub_exe()

* tag 'uml-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (68 commits)
  hostfs: Fix the NULL vs IS_ERR() bug for __filemap_get_folio()
  um: move thread info into task
  um: Always dump trace for specified task in show_stack
  um: vector: Do not use drvdata in release
  um: net: Do not use drvdata in release
  um: ubd: Do not use drvdata in release
  um: ubd: Initialize ubd's disk pointer in ubd_add
  um: virtio_uml: query the number of vqs if supported
  um: virtio_uml: fix call_fd IRQ allocation
  um: virtio_uml: send SET_MEM_TABLE message with the exact size
  um: remove broken double fault detection
  um: remove duplicate UM_NSEC_PER_SEC definition
  um: remove file sync for stub data
  um: always include kconfig.h and compiler-version.h
  um: set DONTDUMP and DONTFORK flags on KASAN shadow memory
  um: fix sparse warnings in signal code
  um: fix sparse warnings from regset refactor
  um: Remove double zero check
  um: fix stub exe build with CONFIG_GCOV
  um: Use os_set_pdeathsig helper in winch thread/process
  ...
 2024-11-30 10:34:54 -08:00
Linus Torvalds
04b43ea325 This pull request contains updates for JFFS2, UBI and UBIFS: 
JFFS2:
 - Bug fix for rtime compression
 - Various cleanups
 
 UBI:
 - Cleanups for fastmap and wear leveling
 
 UBIFS:
 - Add support for FS_IOC_GETFSSYSFSPATH
 - Remove dead ioctl code
 - Fix UAF in ubifs_tnc_end_commit()
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Merge tag 'ubifs-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull JFFS2, UBI and UBIFS updates from Richard Weinberger:
 "JFFS2:
   - Bug fix for rtime compression
   - Various cleanups

  UBI:
   - Cleanups for fastmap and wear leveling

  UBIFS:
   - Add support for FS_IOC_GETFSSYSFSPATH
   - Remove dead ioctl code
   - Fix UAF in ubifs_tnc_end_commit()"

* tag 'ubifs-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: (25 commits)
  ubifs: Fix uninitialized use of err in ubifs_jnl_write_inode()
  jffs2: Prevent rtime decompress memory corruption
  jffs2: remove redundant check on outpos > pos
  fs: jffs2: Fix inconsistent indentation in jffs2_mark_node_obsolete
  jffs2: Correct some typos in comments
  jffs2: fix use of uninitialized variable
  jffs2: Use str_yes_no() helper function
  mtd: ubi: remove redundant check on bytes_left at end of function
  mtd: ubi: fix unreleased fwnode_handle in find_volume_fwnode()
  ubifs: authentication: Fix use-after-free in ubifs_tnc_end_commit
  ubi: fastmap: Fix duplicate slab cache names while attaching
  ubifs: xattr: remove unused anonymous enum
  ubifs: Reduce kfree() calls in ubifs_purge_xattrs()
  ubifs: Call iput(xino) only once in ubifs_purge_xattrs()
  ubi: wl: Close down wear-leveling before nand is suspended
  mtd: ubi: Rmove unused declaration in header file
  ubifs: Correct the total block count by deducting journal reservation
  ubifs: Convert to use ERR_CAST()
  ubifs: add support for FS_IOC_GETFSSYSFSPATH
  ubifs: remove unused ioctl flags GETFLAGS/SETFLAGS
  ...
 2024-11-30 10:32:47 -08:00
Linus Torvalds
e864effa1f 9p update for 6.13-rc1 
- usbg: fix alloc failure handling & build-as-module
 - xen: couple of fixes
 - v9fs_cache_register/unregister code cleanup
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Merge tag '9p-for-6.13-rc1' of https://github.com/martinetd/linux

Pull 9p updates from Dominique Martinet:

 - usbg: fix alloc failure handling & build-as-module

 - xen: couple of fixes

 - v9fs_cache_register/unregister code cleanup

* tag '9p-for-6.13-rc1' of https://github.com/martinetd/linux:
  net/9p/usbg: allow building as standalone module
  9p/xen: fix release of IRQ
  9p/xen: fix init sequence
  net/9p/usbg: fix handling of the failed kzalloc() memory allocation
  fs/9p: replace functions v9fs_cache_{register|unregister} with direct calls
 2024-11-30 10:28:14 -08:00
Linus Torvalds
9d0ad04553 A fix for the mount "device" string parser from Patrick and two cred 
reference counting fixups from Max, marked for stable.  Also included
 a number of cleanups and a tweak to MAINTAINERS to avoid unnecessarily
 CCing netdev list.
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Merge tag 'ceph-for-6.13-rc1' of https://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "A fix for the mount "device" string parser from Patrick and two cred
  reference counting fixups from Max, marked for stable.

  Also included a number of cleanups and a tweak to MAINTAINERS to avoid
  unnecessarily CCing netdev list"

* tag 'ceph-for-6.13-rc1' of https://github.com/ceph/ceph-client:
  ceph: fix cred leak in ceph_mds_check_access()
  ceph: pass cred pointer to ceph_mds_auth_match()
  ceph: improve caps debugging output
  ceph: correct ceph_mds_cap_peer field name
  ceph: correct ceph_mds_cap_item field name
  ceph: miscellaneous spelling fixes
  ceph: Use strscpy() instead of strcpy() in __get_snap_name()
  ceph: Use str_true_false() helper in status_show()
  ceph: requalify some char pointers as const
  ceph: extract entity name from device id
  MAINTAINERS: exclude net/ceph from networking
  ceph: Remove fs/ceph deadcode
  libceph: Remove unused ceph_crypto_key_encode
  libceph: Remove unused ceph_osdc_watch_check
  libceph: Remove unused pagevec functions
  libceph: Remove unused ceph_pagelist functions
 2024-11-30 10:22:38 -08:00
Linus Torvalds
baf67f6aa9 NFS client updates for Linux 6.13 
Highlights include:
 
 Bugfixes:
 - NFSv4.0: Fix a use-after-free problem in open()
 - nfs/localio: fix for a memory corruption in nfs_local_read_done
 - Revert "nfs: don't reuse partially completed requests in nfs_lock_and_join_requests"
 - nfsv4: ignore SB_RDONLY when mounting nfs
 - sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reseting the transport
 - SUNRPC: timeout and cancel TLS handshake with -ETIMEDOUT
 - sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket
 - pNFS/blocklayout: Fix device registration issues
 - SUNRPC: Fix a hang in TLS sock_close if sk_write_pending
 
 Features and cleanups:
 - localio cleanups from Mike Snitzer
 - Clean up refcounting on the nfs version modules
 - __counted_by() annotations
 - nfs: make processes that are waiting for an I/O lock killable
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Merge tag 'nfs-for-6.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Bugfixes:
   - nfs/localio: fix for a memory corruption in nfs_local_read_done
   - Revert "nfs: don't reuse partially completed requests in
     nfs_lock_and_join_requests"
   - nfsv4:
       - ignore SB_RDONLY when mounting nfs
       - Fix a use-after-free problem in open()
   - sunrpc:
       - clear XPRT_SOCK_UPD_TIMEOUT when reseting the transport
       - timeout and cancel TLS handshake with -ETIMEDOUT
       - fix one UAF issue caused by sunrpc kernel tcp socket
       - Fix a hang in TLS sock_close if sk_write_pending
   - pNFS/blocklayout: Fix device registration issues

  Features and cleanups:
   - localio cleanups from Mike Snitzer
   - Clean up refcounting on the nfs version modules
   - __counted_by() annotations
   - nfs: make processes that are waiting for an I/O lock killable"

* tag 'nfs-for-6.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (24 commits)
  fs/nfs/io: make nfs_start_io_*() killable
  nfs/blocklayout: Limit repeat device registration on failure
  nfs/blocklayout: Don't attempt unregister for invalid block device
  sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket
  SUNRPC: timeout and cancel TLS handshake with -ETIMEDOUT
  sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport
  nfs: ignore SB_RDONLY when mounting nfs
  Revert "nfs: don't reuse partially completed requests in nfs_lock_and_join_requests"
  Revert "fs: nfs: fix missing refcnt by replacing folio_set_private by folio_attach_private"
  nfs/localio: must clear res.replen in nfs_local_read_done
  NFSv4.0: Fix a use-after-free problem in the asynchronous open()
  NFSv4.0: Fix the wake up of the next waiter in nfs_release_seqid()
  SUNRPC: Fix a hang in TLS sock_close if sk_write_pending
  sunrpc: remove newlines from tracepoints
  nfs: Annotate struct pnfs_commit_array with __counted_by()
  nfs/localio: eliminate need for nfs_local_fsync_work forward declaration
  nfs/localio: remove extra indirect nfs_to call to check {read,write}_iter
  nfs/localio: eliminate unnecessary kref in nfs_local_fsync_ctx
  nfs/localio: remove redundant suid/sgid handling
  NFS: Implement get_nfs_version()
  ...
 2024-11-30 10:17:53 -08:00
Linus Torvalds
0235da0fae 22 SMB3 client fixes 
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Merge tag '6.13-rc-part2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - directory lease fixes

 - password rotation fixes

 - reconnect fix

 - fix for SMB3.02 mounts

 - DFS (global namespace) fixes

 - fixes for special file handling (most relating to better handling
   various types of symlinks)

 - two minor cleanups

* tag '6.13-rc-part2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: (22 commits)
  cifs: update internal version number
  cifs: unlock on error in smb3_reconfigure()
  cifs: during remount, make sure passwords are in sync
  cifs: support mounting with alternate password to allow password rotation
  smb: Initialize cfid->tcon before performing network ops
  smb: During unmount, ensure all cached dir instances drop their dentry
  smb: client: fix noisy message when mounting shares
  smb: client: don't try following DFS links in cifs_tree_connect()
  smb: client: allow reconnect when sending ioctl
  smb: client: get rid of @nlsc param in cifs_tree_connect()
  smb: client: allow more DFS referrals to be cached
  cifs: Fix parsing reparse point with native symlink in SMB1 non-UNICODE session
  cifs: Validate content of WSL reparse point buffers
  cifs: Improve guard for excluding $LXDEV xattr
  cifs: Add support for parsing WSL-style symlinks
  cifs: Validate content of native symlink
  cifs: Fix parsing native symlinks relative to the export
  smb: client: fix NULL ptr deref in crypto_aead_setkey()
  Update misleading comment in cifs_chan_update_iface
  smb: client: change return value in open_cached_dir_by_dentry() if !cfids
  ...
 2024-11-30 10:14:42 -08:00
Linus Torvalds
109daa2356 eight kernel server fixes 
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Merge tag '6.13-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull smb server updates from Steve French:

 - fix use after free due to race in ksmd workqueue handler

 - debugging improvements

 - fix incorrectly formatted response when client attempts SMB1

 - improve memory allocation to reduce chance of OOM

 - improve delays between retries when killing sessions

* tag '6.13-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: fix use-after-free in SMB request handling
  ksmbd: add debug print for pending request during server shutdown
  ksmbd: add netdev-up/down event debug print
  ksmbd: add debug prints to know what smb2 requests were received
  ksmbd: add debug print for rdma capable
  ksmbd: use msleep instaed of schedule_timeout_interruptible()
  ksmbd: use __GFP_RETRY_MAYFAIL
  ksmbd: fix malformed unsupported smb1 negotiate response
 2024-11-30 10:06:56 -08:00
Brian Norris
5c8418cf40 PCI/pwrctrl: Unregister platform device only if one actually exists 
If a PCI device has an associated device_node with power supplies,
pci_bus_add_device() creates platform devices for use by pwrctrl.  When the
PCI device is removed, pci_stop_dev() uses of_find_device_by_node() to
locate the related platform device, then unregisters it.

But when we remove a PCI device with no associated device node,
dev_of_node(dev) is NULL, and of_find_device_by_node(NULL) returns the
first device with "dev->of_node == NULL".  The result is that we (a)
mistakenly unregister a completely unrelated platform device, leading to
issues like the first trace below, and (b) dereference the NULL pointer
from dev_of_node() when clearing OF_POPULATED, as in the second trace.

Unregister a platform device only if there is one associated with this PCI
device.  This resolves issues seen when doing:

  # echo 1 > /sys/bus/pci/devices/.../remove

Sample issue from unregistering the wrong platform device:

  WARNING: CPU: 0 PID: 5095 at drivers/regulator/core.c:5885 regulator_unregister+0x140/0x160
  Call trace:
   regulator_unregister+0x140/0x160
   devm_rdev_release+0x1c/0x30
   release_nodes+0x68/0x100
   devres_release_all+0x98/0xf8
   device_unbind_cleanup+0x20/0x70
   device_release_driver_internal+0x1f4/0x240
   device_release_driver+0x20/0x40
   bus_remove_device+0xd8/0x170
   device_del+0x154/0x380
   device_unregister+0x28/0x88
   of_device_unregister+0x1c/0x30
   pci_stop_bus_device+0x154/0x1b0
   pci_stop_and_remove_bus_device_locked+0x28/0x48
   remove_store+0xa0/0xb8
   dev_attr_store+0x20/0x40
   sysfs_kf_write+0x4c/0x68

Later NULL pointer dereference for of_node_clear_flag(NULL, OF_POPULATED):

  Unable to handle kernel NULL pointer dereference at virtual address 00000000000000c0
  Call trace:
   pci_stop_bus_device+0x190/0x1b0
   pci_stop_and_remove_bus_device_locked+0x28/0x48
   remove_store+0xa0/0xb8
   dev_attr_store+0x20/0x40
   sysfs_kf_write+0x4c/0x68

Link: https://lore.kernel.org/r/20241126210443.4052876-1-briannorris@chromium.org
Fixes: 681725afb6b9 ("PCI/pwrctl: Remove pwrctl device without iterating over all children of pwrctl parent")
Reported-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Closes: https://lore.kernel.org/r/1732890621-19656-1-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Brian Norris <briannorris@chromium.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2024-11-30 11:41:25 -06:00
Linus Torvalds
d8b78066f4 TTY / Serial driver updates for 6.13-rc1 
Here is a small set of tty and serial driver updates for 6.13-rc1.
 Nothing major at all this time, only some small changes:
   - few device tree binding updates
   - 8250_exar serial driver updates
   - imx serial driver updates
   - sprd_serial driver updates
   - other tiny serial driver updates, full details in the shortlog
 
 All of these have been in linux-next for a while with one reported
 issue, but that commit has now been reverted.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver updates from Greg KH:
 "Here is a small set of tty and serial driver updates for 6.13-rc1.
  Nothing major at all this time, only some small changes:

   - few device tree binding updates

   - 8250_exar serial driver updates

   - imx serial driver updates

   - sprd_serial driver updates

   - other tiny serial driver updates, full details in the shortlog

  All of these have been in linux-next for a while with one reported
  issue, but that commit has now been reverted"

* tag 'tty-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (37 commits)
  Revert "serial: sh-sci: Clean sci_ports[0] after at earlycon exit"
  serial: amba-pl011: fix build regression
  dt-bindings: serial: Add a new compatible string for ums9632
  serial: sprd: Add support for sc9632
  tty/serial/altera_uart: unwrap error log string
  tty/serial/altera_jtaguart: unwrap error log string
  serial: amba-pl011: Fix RX stall when DMA is used
  tty: ldsic: fix tty_ldisc_autoload sysctl's proc_handler
  serial: 8250_fintek: Add support for F81216E
  serial: sh-sci: Clean sci_ports[0] after at earlycon exit
  tty: atmel_serial: Fix typo retreives to retrieves
  tty: atmel_serial: Use devm_platform_ioremap_resource()
  serial: 8250: omap: Move pm_runtime_get_sync
  tty: serial: samsung: Add Exynos8895 compatible
  dt-bindings: serial: samsung: Add samsung,exynos8895-uart compatible
  serial: 8250_dw: Add Sophgo SG2044 quirk
  dt-bindings: serial: snps-dw-apb-uart: Add Sophgo SG2044 uarts
  dt-bindings: serial: snps,dw-apb-uart: merge duplicate compatible entry.
  altera_jtaguart: Use dev_err() to report error attaching IRQ
  altera_uart: Use dev_err() to report error attaching IRQ handler
  ...
 2024-11-30 09:03:16 -08:00
Greg Kroah-Hartman
718632467d Revert "serial: sh-sci: Clean sci_ports[0] after at earlycon exit" 
This reverts commit 3791ea69a4858b81e0277f695ca40f5aae40f312.

It was reported to cause boot-time issues, so revert it for now.

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: 3791ea69a485 ("serial: sh-sci: Clean sci_ports[0] after at earlycon exit")
Cc: stable <stable@kernel.org>
Cc: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2024-11-30 16:55:56 +01:00
Dan Carpenter
63e72e5519 sh: intc: Fix use-after-free bug in register_intc_controller() 
In the error handling for this function, d is freed without ever
removing it from intc_list which would lead to a use after free.
To fix this, let's only add it to the list after everything has
succeeded.

Fixes: 2dcec7a988a1 ("sh: intc: set_irq_wake() support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
 2024-11-30 13:55:11 +01:00
Huacai Chen
3c891f7c6a sh: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK 
When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS are selected,
cpu_max_bits_warn() generates a runtime warning similar as below when
showing /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit)
instead of NR_CPUS to iterate CPUs.

[    3.052463] ------------[ cut here ]------------
[    3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0
[    3.070072] Modules linked in: efivarfs autofs4
[    3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052
[    3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000
[    3.109127]         9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430
[    3.118774]         90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff
[    3.128412]         0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890
[    3.138056]         0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa
[    3.147711]         ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000
[    3.157364]         900000000101c998 0000000000000004 9000000000ef7430 0000000000000000
[    3.167012]         0000000000000009 000000000000006c 0000000000000000 0000000000000000
[    3.176641]         9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286
[    3.186260]         00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c
[    3.195868]         ...
[    3.199917] Call Trace:
[    3.203941] [<90000000002086d8>] show_stack+0x38/0x14c
[    3.210666] [<9000000000cf846c>] dump_stack_lvl+0x60/0x88
[    3.217625] [<900000000023d268>] __warn+0xd0/0x100
[    3.223958] [<9000000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc
[    3.231150] [<9000000000210220>] show_cpuinfo+0x5e8/0x5f0
[    3.238080] [<90000000004f578c>] seq_read_iter+0x354/0x4b4
[    3.245098] [<90000000004c2e90>] new_sync_read+0x17c/0x1c4
[    3.252114] [<90000000004c5174>] vfs_read+0x138/0x1d0
[    3.258694] [<90000000004c55f8>] ksys_read+0x70/0x100
[    3.265265] [<9000000000cfde9c>] do_syscall+0x7c/0x94
[    3.271820] [<9000000000202fe4>] handle_syscall+0xc4/0x160
[    3.281824] ---[ end trace 8b484262b4b8c24c ]---

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
 2024-11-30 13:54:36 +01:00
Linus Torvalds
2ba9f676d0 drm fixes for v6.13-rc1 
i915:
 - hdcp: Fix when the first read and write are retried
 
 xe:
 - Wake up waiters after wait condition set to true
 - Mark the preempt fence workqueue as reclaim
 - Update xe2 graphics name string
 - Fix a couple of guc submit races
 - Fix pat index usage in migrate
 - Ensure non-cached migrate pagetable bo mappings
 - Take a PM ref in the delayed snapshot capture worker
 
 amdgpu:
 - SMU 13.0.6 fixes
 - XGMI fixes
 - SMU 13.0.7 fixes
 - Misc code cleanups
 - Plane refcount fixes
 - DCN 4.0.1 fixes
 - DC power fixes
 - DTO fixes
 - NBIO 7.11 fixes
 - SMU 14.0.x fixes
 - Reset fixes
 - Enable DC on LoongArch
 - Sysfs hotplug warning fix
 - Misc small fixes
 - VCN 4.0.3 fix
 - Slab usage fix
 - Jpeg delayed work fix
 
 amdkfd:
 - wptr handling fixes
 
 radeon:
 - Use ttm_bo_move_null()
 - Constify struct pci_device_id
 - Fix spurious hotplug
 - HPD fix
 
 rockchip
 - fix 32-bit build
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Merge tag 'drm-next-2024-11-29' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Merge window fixes, mostly amdgpu and xe, with a few other minor ones,
  all looks fairly normal,

  i915:
   - hdcp: Fix when the first read and write are retried

  xe:
   - Wake up waiters after wait condition set to true
   - Mark the preempt fence workqueue as reclaim
   - Update xe2 graphics name string
   - Fix a couple of guc submit races
   - Fix pat index usage in migrate
   - Ensure non-cached migrate pagetable bo mappings
   - Take a PM ref in the delayed snapshot capture worker

  amdgpu:
   - SMU 13.0.6 fixes
   - XGMI fixes
   - SMU 13.0.7 fixes
   - Misc code cleanups
   - Plane refcount fixes
   - DCN 4.0.1 fixes
   - DC power fixes
   - DTO fixes
   - NBIO 7.11 fixes
   - SMU 14.0.x fixes
   - Reset fixes
   - Enable DC on LoongArch
   - Sysfs hotplug warning fix
   - Misc small fixes
   - VCN 4.0.3 fix
   - Slab usage fix
   - Jpeg delayed work fix

  amdkfd:
   - wptr handling fixes

  radeon:
   - Use ttm_bo_move_null()
   - Constify struct pci_device_id
   - Fix spurious hotplug
   - HPD fix

  rockchip
   - fix 32-bit build"

* tag 'drm-next-2024-11-29' of https://gitlab.freedesktop.org/drm/kernel: (48 commits)
  drm/xe: Take PM ref in delayed snapshot capture worker
  drm/xe/migrate: use XE_BO_FLAG_PAGETABLE
  drm/xe/migrate: fix pat index usage
  drm/xe/guc_submit: fix race around suspend_pending
  drm/xe/guc_submit: fix race around pending_disable
  drm/xe: Update xe2_graphics name string
  drm/rockchip: avoid 64-bit division
  Revert "drm/radeon: Delay Connector detecting when HPD singals is unstable"
  drm/amdgpu/jpeg: cancel the jpeg worker
  drm/amdgpu: fix usage slab after free
  drm/amdgpu/vcn: reset fw_shared when VCPU buffers corrupted on vcn v4.0.3
  drm/amdgpu: Fix sysfs warning when hotplugging
  drm/amdgpu: Add sysfs interface for vcn reset mask
  drm/amdgpu/gmc7: fix wait_for_idle callers
  drm/amd/pm: Remove arcturus min power limit
  drm/amd/pm: skip setting the power source on smu v14.0.2/3
  drm/amd/pm: disable pcie speed switching on Intel platform for smu v14.0.2/3
  drm/amdkfd: Use the correct wptr size
  drm/xe: Mark preempt fence workqueue as reclaim
  drm/xe/ufence: Wake up waiters after setting ufence->signalled
  ...
 2024-11-29 13:06:06 -08:00
Linus Torvalds
517363b494 sound fixes for 6.13-rc1 
A collection of small fixes.  Majority of changes are device-specific
 fixes and quirks, while there are a few core fixes to address
 regressions and corner cases spotted by fuzzers.
 
 - Fix of spinlock range that wrongly covered kvfree() call in rawmidi
 - Fix potential NULL dereference at PCM mmap
 - Fix incorrectly advertised MIDI 2.0 UMP Function Block info
 - Various ASoC AMD quirks and fixes
 - ASoC SOF Intel, Mediatek, HDMI-codec fixes
 - A few more quirks and TAS2781 codec fix for HD-audio
 - A couple of fixes for USB-audio for malicious USB descriptors
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Merge tag 'sound-fix-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of small fixes. Majority of changes are device-specific
  fixes and quirks, while there are a few core fixes to address
  regressions and corner cases spotted by fuzzers.

   - Fix of spinlock range that wrongly covered kvfree() call in rawmidi

   - Fix potential NULL dereference at PCM mmap

   - Fix incorrectly advertised MIDI 2.0 UMP Function Block info

   - Various ASoC AMD quirks and fixes

   - ASoC SOF Intel, Mediatek, HDMI-codec fixes

   - A few more quirks and TAS2781 codec fix for HD-audio

   - A couple of fixes for USB-audio for malicious USB descriptors"

* tag 'sound-fix-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
  ALSA: hda: improve bass speaker support for ASUS Zenbook UM5606WA
  ALSA: hda/realtek: Apply quirk for Medion E15433
  ASoC: amd: yc: Add a quirk for microfone on Lenovo ThinkPad P14s Gen 5 21MES00B00
  ASoC: SOF: ipc3-topology: Convert the topology pin index to ALH dai index
  ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
  ASoC: amd: yc: Fix for enabling DMIC on acp6x via _DSD entry
  ALSA: ump: Fix evaluation of MIDI 1.0 FB info
  ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()
  ALSA: hda: Show the codec quirk info at probing
  ALSA: asihpi: Remove unused variable
  ALSA: hda/realtek: Set PCBeep to default value for ALC274
  ALSA: hda/tas2781: Add speaker id check for ASUS projects
  ALSA: hda/realtek: Update ALC225 depop procedure
  ALSA: hda/realtek: Enable speaker pins for Medion E15443 platform
  ALSA: hda/realtek: fix mute/micmute LEDs don't work for EliteBook X G1i
  ALSA: usb-audio: Fix out of bounds reads when finding clock sources
  ALSA: rawmidi: Fix kvfree() call in spinlock
  ALSA: hda/realtek: Fix Internal Speaker and Mic boost of Infinix Y4 Max
  ASoC: amd: yc: Add quirk for microphone on Lenovo Thinkpad T14s Gen 6 21M1CTO1WW
  ASoC: doc: dapm: Add location information for dapm-graph tool
  ...
 2024-11-29 13:01:05 -08:00
Linus Torvalds
2eff01ee28 Char/Misc/IIO/Whatever driver subsystem updates for 6.13-rc1 
Here is the "big and hairy" char/misc/iio and other small driver
 subsystem updates for 6.13-rc1.  Sorry for doing this at the end of the
 merge window, conference and holiday travel got in the way on my side
 (hence the 5am pull request emails...)
 
 Loads of things in here, and even a fun merge conflict!
   - rust misc driver bindings and other rust changes to make misc
     drivers actually possible.  I think this is the tipping point,
     expect to see way more rust drivers going forward now that these
     bindings are present.  Next merge window hopefully we will have pci
     and platform drivers working, which will fully enable almost all
     driver subsystems to start accepting (or at least getting) rust
     drivers.  This is the end result of a lot of work from a lot of
     people, congrats to all of them for getting this far, you've proved
     many of us wrong in the best way possible, working code :)
   - IIO driver updates, too many to list individually, that subsystem
     keeps growing and growing...
   - Interconnect driver updates
   - nvmem driver updates
   - pwm driver updates
   - platform_driver::remove() fixups, loads of them
   - counter driver updates
   - misc driver updates (keba?)
   - binder driver updates and fixes
   - loads of other small char/misc/etc driver updates and additions,
     full details in the shortlog.
 
 Note, there is a semi-hairy rust merge conflict when pulling this.  The
 resolution has been in linux-next for a while and can be seen here:
 	https://lore.kernel.org/all/20241111173459.2646d4af@canb.auug.org.au/
 
 All of these have been in linux-next for a while, with no other reported
 issues other than that merge conflict.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc/IIO/whatever driver subsystem updates from Greg KH:
 "Here is the 'big and hairy' char/misc/iio and other small driver
  subsystem updates for 6.13-rc1.

  Loads of things in here, and even a fun merge conflict!

   - rust misc driver bindings and other rust changes to make misc
     drivers actually possible.

     I think this is the tipping point, expect to see way more rust
     drivers going forward now that these bindings are present. Next
     merge window hopefully we will have pci and platform drivers
     working, which will fully enable almost all driver subsystems to
     start accepting (or at least getting) rust drivers.

     This is the end result of a lot of work from a lot of people,
     congrats to all of them for getting this far, you've proved many of
     us wrong in the best way possible, working code :)

   - IIO driver updates, too many to list individually, that subsystem
     keeps growing and growing...

   - Interconnect driver updates

   - nvmem driver updates

   - pwm driver updates

   - platform_driver::remove() fixups, loads of them

   - counter driver updates

   - misc driver updates (keba?)

   - binder driver updates and fixes

   - loads of other small char/misc/etc driver updates and additions,
     full details in the shortlog.

  All of these have been in linux-next for a while, with no other
  reported issues other than that merge conflict"

* tag 'char-misc-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (401 commits)
  mei: vsc: Fix typo "maintstepping" -> "mainstepping"
  firmware: Switch back to struct platform_driver::remove()
  misc: isl29020: Fix the wrong format specifier
  scripts/tags.sh: Don't tag usages of DEFINE_MUTEX
  fpga: Switch back to struct platform_driver::remove()
  mei: vsc: Improve error logging in vsc_identify_silicon()
  mei: vsc: Do not re-enable interrupt from vsc_tp_reset()
  dt-bindings: spmi: qcom,x1e80100-spmi-pmic-arb: Add SAR2130P compatible
  dt-bindings: spmi: spmi-mtk-pmif: Add compatible for MT8188
  spmi: pmic-arb: fix return path in for_each_available_child_of_node()
  iio: Move __private marking before struct element priv in struct iio_dev
  docs: iio: ad7380: add adaq4370-4 and adaq4380-4
  iio: adc: ad7380: add support for adaq4370-4 and adaq4380-4
  iio: adc: ad7380: use local dev variable to shorten long lines
  iio: adc: ad7380: fix oversampling formula
  dt-bindings: iio: adc: ad7380: add adaq4370-4 and adaq4380-4 compatible parts
  bus: mhi: host: pci_generic: Use pcim_iomap_region() to request and map MHI BAR
  bus: mhi: host: Switch trace_mhi_gen_tre fields to native endian
  misc: atmel-ssc: Use of_property_present() for non-boolean properties
  misc: keba: Add hardware dependency
  ...
 2024-11-29 11:58:27 -08:00
Linus Torvalds
55cb93fd24 Driver core changes for 6.13-rc1 
Here is a small set of driver core changes for 6.13-rc1.
 
 Nothing major for this merge cycle, except for the 2 simple merge
 conflicts are here just to make life interesting.
 
 Included in here are:
   - sysfs core changes and preparations for more sysfs api cleanups that
     can come through all driver trees after -rc1 is out
   - fw_devlink fixes based on many reports and debugging sessions
   - list_for_each_reverse() removal, no one was using it!
   - last-minute seq_printf() format string bug found and fixed in many
     drivers all at once.
   - minor bugfixes and changes full details in the shortlog
 
 As mentioned above, there is 2 merge conflicts with your tree, one is
 where the file is removed (easy enough to resolve), the second is a
 build time error, that has been found in linux-next and the fix can be
 seen here:
 	https://lore.kernel.org/r/20241107212645.41252436@canb.auug.org.au
 
 Other than that, the changes here have been in linux-next with no other
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is a small set of driver core changes for 6.13-rc1.

  Nothing major for this merge cycle, except for the two simple merge
  conflicts are here just to make life interesting.

  Included in here are:

   - sysfs core changes and preparations for more sysfs api cleanups
     that can come through all driver trees after -rc1 is out

   - fw_devlink fixes based on many reports and debugging sessions

   - list_for_each_reverse() removal, no one was using it!

   - last-minute seq_printf() format string bug found and fixed in many
     drivers all at once.

   - minor bugfixes and changes full details in the shortlog"

* tag 'driver-core-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (35 commits)
  Fix a potential abuse of seq_printf() format string in drivers
  cpu: Remove spurious NULL in attribute_group definition
  s390/con3215: Remove spurious NULL in attribute_group definition
  perf: arm-ni: Remove spurious NULL in attribute_group definition
  driver core: Constify bin_attribute definitions
  sysfs: attribute_group: allow registration of const bin_attribute
  firmware_loader: Fix possible resource leak in fw_log_firmware_info()
  drivers: core: fw_devlink: Fix excess parameter description in docstring
  driver core: class: Correct WARN() message in APIs class_(for_each|find)_device()
  cacheinfo: Use of_property_present() for non-boolean properties
  cdx: Fix cdx_mmap_resource() after constifying attr in ->mmap()
  drivers: core: fw_devlink: Make the error message a bit more useful
  phy: tegra: xusb: Set fwnode for xusb port devices
  drm: display: Set fwnode for aux bus devices
  driver core: fw_devlink: Stop trying to optimize cycle detection logic
  driver core: Constify attribute arguments of binary attributes
  sysfs: bin_attribute: add const read/write callback variants
  sysfs: implement all BIN_ATTR_* macros in terms of __BIN_ATTR()
  sysfs: treewide: constify attribute callback of bin_attribute::llseek()
  sysfs: treewide: constify attribute callback of bin_attribute::mmap()
  ...
 2024-11-29 11:43:29 -08:00
Linus Torvalds
a0c1ca3934 Staging driver changes for 6.13-rc1 
Here is the big set of staging driver changes for 6.13-rc1.
 
 Lots of changes this merge cycle, drivers removed and drivers added.
 Highlights include:
   - removals of the following staging drivers due to no forward progress
     and no one having either the hardware or the time/energy to deal
     with them anymore:
       - fieldbus
       - gdm724x
       - olpc_dcon
       - rtl8712
       - rts5208
       - vt6655
       - vt6656
     If anyone has this hardware and wants to work on the drivers, it can
     be an easy revert to get them back.
  - addition of the gpib driver subsystem.  Lots of drivers for
    really old and semi-old interfaces to lab equipments.  We expect lots
    of churn in these drivers as they get cleaned up to "working" order.
    These were added at the request of a user and the maintainer/author
    of them is helping out with the effort
  - loads and loads of tiny coding style cleanups for almost all staging
    drivers.  Too many to list, see the shortlog for details.
 
 Note, this pull request contains a portion of the wireless tree, as the
 removal of some of the staging wifi drivers came in through there to
 coordinate things.  These should already be in your tree already, so the
 diffstat will (and should) look different when you do your merge.
 
 All of these have been in linux-next for a very long time with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver updates from Greg KH:
 "Here is the big set of staging driver changes for 6.13-rc1.

  Lots of changes this merge cycle, drivers removed and drivers added.
  Highlights include:

   - removals of the following staging drivers due to no forward
     progress and no one having either the hardware or the time/energy
     to deal with them anymore:
       - fieldbus
       - gdm724x
       - olpc_dcon
       - rtl8712
       - rts5208
       - vt6655
       - vt6656
     If anyone has this hardware and wants to work on the drivers, it
     can be an easy revert to get them back.

   - addition of the gpib driver subsystem. Lots of drivers for really
     old and semi-old interfaces to lab equipments. We expect lots of
     churn in these drivers as they get cleaned up to "working" order.

     These were added at the request of a user and the maintainer/author
     of them is helping out with the effort

   - loads and loads of tiny coding style cleanups for almost all
     staging drivers. Too many to list, see the shortlog for details.

  All of these have been in linux-next for a very long time with no
  reported issues"

* tag 'staging-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (216 commits)
  Staging: gpib: gpib_os.c - Remove unnecessary OOM message
  staging: gpib: avoid unintended sign extension
  staging: vchiq_debugfs: Use forward declarations
  staging: vchiq_core: Rectify header include for vchiq_dump_state()
  staging: vc04_services: Cleanup TODO entry
  staging: most: Remove TODO contact information
  staging: rtl8723bs: Remove TODO contact information
  staging: sm750fb: Remove TODO contact information
  staging: iio: Remove TODO file
  staging: greybus: uart: Fix atomicity violation in get_serial_info()
  staging: rtl8723bs: Remove unused function Efuse_GetCurrentSize
  staging: rtl8723bs: Remove unused function efuse_WordEnableDataRead
  staging: rtl8723bs: Remove function hal_EfusePgPacketWrite1ByteHeader
  staging: rtl8723bs: Remove function hal_EfusePgPacketWrite2ByteHeader
  staging: rtl8723bs: Remove unused function hal_EfusePgCheckAvailableAddr
  staging: rtl8723bs: Remove unused function hal_EfuseConstructPGPkt
  staging: rtl8723bs: Remove unused function hal_EfusePartialWriteCheck
  staging: rtl8723bs: Remove unused function hal_EfusePgPacketWriteHeader
  staging: rtl8723bs: Remove unused function hal_EfusePgPacketWriteData
  staging: rtl8723bs: Remove unused function Hal_EfusePgPacketWrite_BT
  ...
 2024-11-29 11:36:13 -08:00
Linus Torvalds
e33a6d83e1 USB / Thunderbolt (USB4) changes for 6.13-rc1 
Here is the big set of USB and Thunderbolt changes for 6.13-rc1.
 
 Overall, a pretty slow development cycle, the majority of the work going
 into the debugfs interface for the thunderbolt (i.e. USB4) code, to help
 with debugging the myrad ways that hardware vendors get their interfaces
 messed up.  Other than that, here's the highlights:
   - thunderbolt changes and additions to debugfs interfaces
   - lots of device tree updates for new and old hardware
   - UVC configfs gadget updates and new apis for features
   - xhci driver updates and fixes
   - dwc3 driver updates and fixes
   - typec driver updates and fixes
   - lots of other small updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt changes for 6.13-rc1.

  Overall, a pretty slow development cycle, the majority of the work
  going into the debugfs interface for the thunderbolt (i.e. USB4) code,
  to help with debugging the myrad ways that hardware vendors get their
  interfaces messed up. Other than that, here's the highlights:

   - thunderbolt changes and additions to debugfs interfaces

   - lots of device tree updates for new and old hardware

   - UVC configfs gadget updates and new apis for features

   - xhci driver updates and fixes

   - dwc3 driver updates and fixes

   - typec driver updates and fixes

   - lots of other small updates and fixes, full details in the shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'usb-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (148 commits)
  usb: typec: tcpm: Add support for sink-bc12-completion-time-ms DT property
  dt-bindings: usb: maxim,max33359: add usage of sink bc12 time property
  dt-bindings: connector: Add time property for Sink BC12 detection completion
  usb: dwc3: gadget: Remove dwc3_request->needs_extra_trb
  usb: dwc3: gadget: Cleanup SG handling
  usb: dwc3: gadget: Fix looping of queued SG entries
  usb: dwc3: gadget: Fix checking for number of TRBs left
  usb: dwc3: ep0: Don't clear ep0 DWC3_EP_TRANSFER_STARTED
  Revert "usb: gadget: composite: fix OS descriptors w_value logic"
  usb: ehci-spear: fix call balance of sehci clk handling routines
  USB: make to_usb_device_driver() use container_of_const()
  USB: make to_usb_driver() use container_of_const()
  USB: properly lock dynamic id list when showing an id
  USB: make single lock for all usb dynamic id lists
  drivers/usb/storage: refactor min with min_t
  drivers/usb/serial: refactor min with min_t
  drivers/usb/musb: refactor min/max with min_t/max_t
  drivers/usb/mon: refactor min with min_t
  drivers/usb/misc: refactor min with min_t
  drivers/usb/host: refactor min/max with min_t/max_t
  ...
 2024-11-29 11:19:31 -08:00
Linus Torvalds
93e064ce85 Modules fixes for v6.13-rc1 
This consists of 3 fixes, the main one build that we build the kallsyms
 test modules all over again if we just run make twice.
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Merge tag 'modules-6.13-rc1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux

Pull modules fixes from Luis Chamberlain:
 "Three fixes, the main one build that we build the kallsyms test
  modules all over again if we just run make twice"

* tag 'modules-6.13-rc1-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux:
  selftests: find_symbol: Actually use load_mod() parameter
  selftests: kallsyms: fix and clarify current test boundaries
  selftests: kallsyms: fix double build stupidity
 2024-11-29 11:15:07 -08:00
Linus Torvalds
29caf07e9d * Features 
- extend next/check table to add support for 2^24 states to the
     state machine.
   - rework capability audit cache to use broader cred information
     instead of just the profile. Also add a time stamp so old
     entries can be aged out of the cache.
 
 * Bug Fixes
   - fix 'Do simple duplicate message elimination' to clear previous
     state when updating in capability audit cache
   - Fix memory leak for aa_unpack_strdup()
   - properly handle cx/px lookup failure when in complain mode
   - allocate xmatch for nullpdb inside aa_alloc_null fixing a
     NULL ptr deref of tracking profiles in when in complain mode
 
 * Cleanups
   - Remove everything being reported as deadcode
   - replace misleading 'scrubbing environment' phrase in debug print
   - Remove unnecessary NULL check before kvfree()
   - clean up duplicated parts of handle_onexec()
   - Use IS_ERR_OR_NULL() helper function
   - move new_profile declaration to top of block instead immediately
     after label to remove C23 extension warning
 
 * Documentation
   - add comment to document capability.c:profile_capable ad ptr
     parameter can not be NULL
   - add comment to document first entry is in packed perms struct is
     reserved for future planned expansion.
   - Update LSM/apparmor.rst add blurb for
     CONFIG_DEFAULT_SECURITY_APPARMOR
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Merge tag 'apparmor-pr-2024-11-27' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor

Pull apparmor updates from John Johansen:
 "Features:
   - extend next/check table to add support for 2^24 states to the state
     machine.
   - rework capability audit cache to use broader cred information
     instead of just the profile. Also add a time stamp so old entries
     can be aged out of the cache.

  Bug Fixes:
   - fix 'Do simple duplicate message elimination' to clear previous
     state when updating in capability audit cache
   - Fix memory leak for aa_unpack_strdup()
   - properly handle cx/px lookup failure when in complain mode
   - allocate xmatch for nullpdb inside aa_alloc_null fixing a NULL ptr
     deref of tracking profiles in when in complain mode

  Cleanups:
   - Remove everything being reported as deadcode
   - replace misleading 'scrubbing environment' phrase in debug print
   - Remove unnecessary NULL check before kvfree()
   - clean up duplicated parts of handle_onexec()
   - Use IS_ERR_OR_NULL() helper function
   - move new_profile declaration to top of block instead immediately
     after label to remove C23 extension warning

  Documentation:
   - add comment to document capability.c:profile_capable ad ptr
     parameter can not be NULL
   - add comment to document first entry is in packed perms struct is
     reserved for future planned expansion.
   - Update LSM/apparmor.rst add blurb for DEFAULT_SECURITY_APPARMOR"

* tag 'apparmor-pr-2024-11-27' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
  apparmor: lift new_profile declaration to remove C23 extension warning
  apparmor: replace misleading 'scrubbing environment' phrase in debug print
  parser: drop dead code for XXX_comb macros
  apparmor: Remove unused parameter L1 in macro next_comb
  Docs: Update LSM/apparmor.rst
  apparmor: audit_cap dedup based on subj_cred instead of profile
  apparmor: add a cache entry expiration time aging out capability audit cache
  apparmor: document capability.c:profile_capable ad ptr not being NULL
  apparmor: fix 'Do simple duplicate message elimination'
  apparmor: document first entry is in packed perms struct is reserved
  apparmor: test: Fix memory leak for aa_unpack_strdup()
  apparmor: Remove deadcode
  apparmor: Remove unnecessary NULL check before kvfree()
  apparmor: domain: clean up duplicated parts of handle_onexec()
  apparmor: Use IS_ERR_OR_NULL() helper function
  apparmor: add support for 2^24 states to the dfa state machine.
  apparmor: properly handle cx/px lookup failure for complain
  apparmor: allocate xmatch for nullpdb inside aa_alloc_null
 2024-11-29 11:10:30 -08:00
Linus Torvalds
509f806f7f more s390 updates for 6.13 merge window 
- Add swap entry for hugetlbfs support
 
 - Add PTE_MARKER support for hugetlbs mappings; this fixes a regression
   (possible page fault loop) which was introduced when support for
   UFFDIO_POISON for hugetlbfs was added
 
 - Add ARCH_HAS_PREEMPT_LAZY and PREEMPT_DYNAMIC support
 
 - Mark IRQ entries in entry code, so that stack tracers can filter out the
   non-IRQ parts of stack traces. This fixes stack depot capacity limit
   warnings, since without filtering the number of unique stack traces is
   huge
 
 - In PCI code fix leak of struct zpci_dev object, and fix potential double
   remove of hotplug slot
 
 - Fix pagefault_disable() / pagefault_enable() unbalance in
   arch_stack_user_walk_common()
 
 - A couple of inline assembly optimizations, more cmpxchg() to
   try_cmpxchg() conversions, and removal of usages of xchg() and cmpxchg()
   on one and two byte memory areas
 
 - Various other small improvements and cleanups
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Merge tag 's390-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Heiko Carstens:

 - Add swap entry for hugetlbfs support

 - Add PTE_MARKER support for hugetlbs mappings; this fixes a regression
   (possible page fault loop) which was introduced when support for
   UFFDIO_POISON for hugetlbfs was added

 - Add ARCH_HAS_PREEMPT_LAZY and PREEMPT_DYNAMIC support

 - Mark IRQ entries in entry code, so that stack tracers can filter out
   the non-IRQ parts of stack traces. This fixes stack depot capacity
   limit warnings, since without filtering the number of unique stack
   traces is huge

 - In PCI code fix leak of struct zpci_dev object, and fix potential
   double remove of hotplug slot

 - Fix pagefault_disable() / pagefault_enable() unbalance in
   arch_stack_user_walk_common()

 - A couple of inline assembly optimizations, more cmpxchg() to
   try_cmpxchg() conversions, and removal of usages of xchg() and
   cmpxchg() on one and two byte memory areas

 - Various other small improvements and cleanups

* tag 's390-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (27 commits)
  Revert "s390/mm: Allow large pages for KASAN shadow mapping"
  s390/spinlock: Use flag output constraint for arch_cmpxchg_niai8()
  s390/spinlock: Use R constraint for arch_load_niai4()
  s390/spinlock: Generate shorter code for arch_spin_unlock()
  s390/spinlock: Remove condition code clobber from arch_spin_unlock()
  s390/spinlock: Use symbolic names in inline assemblies
  s390: Support PREEMPT_DYNAMIC
  s390/pci: Fix potential double remove of hotplug slot
  s390/pci: Fix leak of struct zpci_dev when zpci_add_device() fails
  s390/mm/hugetlbfs: Add missing includes
  s390/mm: Add PTE_MARKER support for hugetlbfs mappings
  s390/mm: Introduce region-third and segment table swap entries
  s390/mm: Introduce region-third and segment table entry present bits
  s390/mm: Rearrange region-third and segment table entry SW bits
  KVM: s390: Increase size of union sca_utility to four bytes
  KVM: s390: Remove one byte cmpxchg() usage
  KVM: s390: Use try_cmpxchg() instead of cmpxchg() loops
  s390/ap: Replace xchg() with WRITE_ONCE()
  s390/mm: Allow large pages for KASAN shadow mapping
  s390: Add ARCH_HAS_PREEMPT_LAZY support
  ...
 2024-11-29 10:40:52 -08:00
Linus Torvalds
63c81af15c - fix for loongson64 device tree 
- add SPI nand to realtek device tree
 - change clock tree for mobileye
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Merge tag 'mips_6.13_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - fix for loongson64 device tree

 - add SPI nand to realtek device tree

 - change clock tree for mobileye

* tag 'mips_6.13_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Loongson64: DTS: Really fix PCIe port nodes for ls7a
  mips: dts: realtek: Add SPI NAND controller
  MIPS: mobileye: eyeq6h: add OLB nodes OLB and remove fixed clocks
  MIPS: mobileye: eyeq5: use OLB as provider for fixed factor clocks
 2024-11-29 10:36:01 -08:00
Linus Torvalds
9d5daef3b3 ARM updates for 6.13-rc1 
- add dev_is_amba() function to allow conversions during the next cycle
 - improve PREEMPT_RT performance with VFP
 - KASAN fixes for vmap stack
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux

Pull ARM updates from Russell King:

 - add dev_is_amba() function to allow conversions during the next cycle

 - improve PREEMPT_RT performance with VFP

 - KASAN fixes for vmap stack

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
  ARM: 9431/1: mm: Pair atomic_set_release() with _read_acquire()
  ARM: 9430/1: entry: Do a dummy read from VMAP shadow
  ARM: 9429/1: ioremap: Sync PGDs for VMALLOC shadow
  ARM: 9426/1: vfp: Move sending signals outside of vfp_state_hold()ed section.
  ARM: 9425/1: vfp: Use vfp_state_hold() in vfp_support_entry().
  ARM: 9424/1: vfp: Use vfp_state_hold() in vfp_sync_hwstate().
  ARM: 9423/1: vfp: Provide vfp_state_hold() for VFP locking.
  ARM: 9415/1: amba: Add dev_is_amba() function and export it for modules
 2024-11-29 10:31:18 -08:00
Linus Torvalds
fbb3c22f90 This includes the following changes related to sparc64 for v6.13: 
- Make sparc64 compilable with clang
 
 - Replace one-element array with flexible array member
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Merge tag 'sparc-for-6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc

Pull sparc updates from Andreas Larsson:

 - Make sparc64 compilable with clang

 - Replace one-element array with flexible array member

* tag 'sparc-for-6.13-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc:
  sparc/vdso: Add helper function for 64-bit right shift on 32-bit target
  sparc: Replace one-element array with flexible array member
  sparc/build: Add SPARC target flags for compiling with clang
  sparc/build: Put usage of -fcall-used* flags behind cc-option
 2024-11-29 10:27:49 -08:00
Linus Torvalds
f15167014a powerpc fixes for 6.13 #2 
- Fix htmldocs errors in sysfs-bus-event_source-devices-vpa-pmu
 
  - Fix warning due to missing #size-cells on powermac
 
 Thanks to: Michael Ellerman, Yang Li, Rob Herring, Stephen Rothwell.
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Merge tag 'powerpc-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Madhavan Srinivasan:

 - Fix htmldocs errors in sysfs-bus-event_source-devices-vpa-pmu

 - Fix warning due to missing #size-cells on powermac

Thanks to Michael Ellerman, Yang Li, Rob Herring, and Stephen Rothwell.

* tag 'powerpc-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/prom_init: Fixup missing powermac #size-cells
  docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Fix htmldocs errors
  powerpc/machdep: Remove duplicated include in svm.c
 2024-11-29 10:25:44 -08:00
Zhang Xianwei
82734209be brd: decrease the number of allocated pages which discarded 
The number of allocated pages which discarded will not decrease.
Fix it.

Fixes: 9ead7efc6f3f ("brd: implement discard support")

Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241128170056565nPKSz2vsP8K8X2uk2iaDG@zte.com.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-11-29 08:43:52 -07:00
Yu Kuai
e8b8344de3 block, bfq: fix bfqq uaf in bfq_limit_depth() 
Set new allocated bfqq to bic or remove freed bfqq from bic are both
protected by bfqd->lock, however bfq_limit_depth() is deferencing bfqq
from bic without the lock, this can lead to UAF if the io_context is
shared by multiple tasks.

For example, test bfq with io_uring can trigger following UAF in v6.6:

==================================================================
BUG: KASAN: slab-use-after-free in bfqq_group+0x15/0x50

Call Trace:
 <TASK>
 dump_stack_lvl+0x47/0x80
 print_address_description.constprop.0+0x66/0x300
 print_report+0x3e/0x70
 kasan_report+0xb4/0xf0
 bfqq_group+0x15/0x50
 bfqq_request_over_limit+0x130/0x9a0
 bfq_limit_depth+0x1b5/0x480
 __blk_mq_alloc_requests+0x2b5/0xa00
 blk_mq_get_new_requests+0x11d/0x1d0
 blk_mq_submit_bio+0x286/0xb00
 submit_bio_noacct_nocheck+0x331/0x400
 __block_write_full_folio+0x3d0/0x640
 writepage_cb+0x3b/0xc0
 write_cache_pages+0x254/0x6c0
 write_cache_pages+0x254/0x6c0
 do_writepages+0x192/0x310
 filemap_fdatawrite_wbc+0x95/0xc0
 __filemap_fdatawrite_range+0x99/0xd0
 filemap_write_and_wait_range.part.0+0x4d/0xa0
 blkdev_read_iter+0xef/0x1e0
 io_read+0x1b6/0x8a0
 io_issue_sqe+0x87/0x300
 io_wq_submit_work+0xeb/0x390
 io_worker_handle_work+0x24d/0x550
 io_wq_worker+0x27f/0x6c0
 ret_from_fork_asm+0x1b/0x30
 </TASK>

Allocated by task 808602:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 __kasan_slab_alloc+0x83/0x90
 kmem_cache_alloc_node+0x1b1/0x6d0
 bfq_get_queue+0x138/0xfa0
 bfq_get_bfqq_handle_split+0xe3/0x2c0
 bfq_init_rq+0x196/0xbb0
 bfq_insert_request.isra.0+0xb5/0x480
 bfq_insert_requests+0x156/0x180
 blk_mq_insert_request+0x15d/0x440
 blk_mq_submit_bio+0x8a4/0xb00
 submit_bio_noacct_nocheck+0x331/0x400
 __blkdev_direct_IO_async+0x2dd/0x330
 blkdev_write_iter+0x39a/0x450
 io_write+0x22a/0x840
 io_issue_sqe+0x87/0x300
 io_wq_submit_work+0xeb/0x390
 io_worker_handle_work+0x24d/0x550
 io_wq_worker+0x27f/0x6c0
 ret_from_fork+0x2d/0x50
 ret_from_fork_asm+0x1b/0x30

Freed by task 808589:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 kasan_save_free_info+0x27/0x40
 __kasan_slab_free+0x126/0x1b0
 kmem_cache_free+0x10c/0x750
 bfq_put_queue+0x2dd/0x770
 __bfq_insert_request.isra.0+0x155/0x7a0
 bfq_insert_request.isra.0+0x122/0x480
 bfq_insert_requests+0x156/0x180
 blk_mq_dispatch_plug_list+0x528/0x7e0
 blk_mq_flush_plug_list.part.0+0xe5/0x590
 __blk_flush_plug+0x3b/0x90
 blk_finish_plug+0x40/0x60
 do_writepages+0x19d/0x310
 filemap_fdatawrite_wbc+0x95/0xc0
 __filemap_fdatawrite_range+0x99/0xd0
 filemap_write_and_wait_range.part.0+0x4d/0xa0
 blkdev_read_iter+0xef/0x1e0
 io_read+0x1b6/0x8a0
 io_issue_sqe+0x87/0x300
 io_wq_submit_work+0xeb/0x390
 io_worker_handle_work+0x24d/0x550
 io_wq_worker+0x27f/0x6c0
 ret_from_fork+0x2d/0x50
 ret_from_fork_asm+0x1b/0x30

Fix the problem by protecting bic_to_bfqq() with bfqd->lock.

CC: Jan Kara <jack@suse.cz>
Fixes: 76f1df88bbc2 ("bfq: Limit number of requests consumed by each cgroup")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20241129091509.2227136-1-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-11-29 08:42:14 -07:00
Jens Axboe
7eb75ce752 io_uring/tctx: work around xa_store() allocation error issue 
syzbot triggered the following WARN_ON:

WARNING: CPU: 0 PID: 16 at io_uring/tctx.c:51 __io_uring_free+0xfa/0x140 io_uring/tctx.c:51

which is the

WARN_ON_ONCE(!xa_empty(&tctx->xa));

sanity check in __io_uring_free() when a io_uring_task is going through
its final put. The syzbot test case includes injecting memory allocation
failures, and it very much looks like xa_store() can fail one of its
memory allocations and end up with ->head being non-NULL even though no
entries exist in the xarray.

Until this issue gets sorted out, work around it by attempting to
iterate entries in our xarray, and WARN_ON_ONCE() if one is found.

Reported-by: syzbot+cc36d44ec9f368e443d3@syzkaller.appspotmail.com
Link: https://lore.kernel.org/io-uring/673c1643.050a0220.87769.0066.GAE@google.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
 2024-11-29 07:20:28 -07:00
Vasily Gorbik
cc00550b2a Revert "s390/mm: Allow large pages for KASAN shadow mapping" 
This reverts commit ff123eb7741638d55abf82fac090bb3a543c1e74.

Allowing large pages for KASAN shadow mappings isn't inherently wrong,
but adding POPULATE_KASAN_MAP_SHADOW to large_allowed() exposes an issue
in can_large_pud() and can_large_pmd().

Since commit d8073dc6bc04 ("s390/mm: Allow large pages only for aligned
physical addresses"), both can_large_pud() and can_large_pmd() call _pa()
to check if large page physical addresses are aligned. However, _pa()
has a side effect: it allocates memory in POPULATE_KASAN_MAP_SHADOW
mode. This results in massive memory leaks.

The proper fix would be to address both large_allowed() and _pa()'s side
effects, but for now, revert this change to avoid the leaks.

Fixes: ff123eb77416 ("s390/mm: Allow large pages for KASAN shadow mapping")
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
 2024-11-29 13:41:11 +01:00
Frederic Weisbecker
63dffecfba posix-timers: Target group sigqueue to current task only if not exiting 
A sigqueue belonging to a posix timer, which target is not a specific
thread but a whole thread group, is preferrably targeted to the current
task if it is part of that thread group.

However nothing prevents a posix timer event from queueing such a
sigqueue from a reaped yet running task. The interruptible code space
between exit_notify() and the final call to schedule() is enough for
posix_timer_fn() hrtimer to fire.

If that happens while the current task is part of the thread group
target, it is proposed to handle it but since its sighand pointer may
have been cleared already, the sigqueue is dropped even if there are
other tasks running within the group that could handle it.

As a result posix timers with thread group wide target may miss signals
when some of their threads are exiting.

Fix this with verifying that the current task hasn't been through
exit_notify() before proposing it as a preferred target so as to ensure
that its sighand is still here and stable.

complete_signal() might still reconsider the choice and find a better
target within the group if current has passed retarget_shared_pending()
already.

Fixes: bcb7ee79029d ("posix-timers: Prefer delivery of signals to the current thread")
Reported-by: Anthony Mallet <anthony.mallet@laas.fr>
Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/20241122234811.60455-1-frederic@kernel.org
Closes: https://lore.kernel.org/all/26411.57288.238690.681680@gargle.gargle.HOWL
 2024-11-29 13:19:09 +01:00
Lukas Bulwahn
caf4bdb558 MAINTAINERS: fix typo in I2C OF COMPONENT PROBER 
Commit 157ce8f381ef ("i2c: Introduce OF component probe function") adds the
header file include/linux/i2c-of-prober.h and a corresponding file entry in
the newly added MAINTAINERS section I2C OF COMPONENT PROBER. This file
entry unfortunately has a typo.
Fortunately, ./scripts/get_maintainer.pl --self-test=patterns detects this
broken reference.

Fix the typo in this file entry in the I2C OF COMPONENT PROBER section.

Fixes: 157ce8f381ef ("i2c: Introduce OF component probe function")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
 2024-11-29 12:56:05 +01:00
Frederic Weisbecker
4d17c25eaf delay: Fix ndelay() spuriously treated as udelay() 
A recent rework on delay functions wrongly ended up calling __udelay()
instead of __ndelay() for nanosecond delays, increasing those by 1000.

As a result hangs have been observed on boot

Restore the right function calls.

Fixes: 19e2d91d8cb1 ("delay: Rework udelay and ndelay")
Reported-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/all/20241121152931.51884-1-frederic@kernel.org
 2024-11-29 11:40:22 +01:00
Chen-Yu Tsai
0d40daa1c1 of: base: Document prefix argument for of_get_next_child_with_prefix() 
When of_get_next_child_with_prefix() was added, the prefix argument was
left undocumented. This caused a new warning to be generated during the
kerneldoc build process:

 drivers/of/base.c:661: warning: Function parameter or struct member 'prefix'
 	not described in 'of_get_next_child_with_prefix'

Properly document the argument to fix this.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202411280010.KGSDBOUE-lkp@intel.com/
Fixes: 1fcc67e3a354 ("of: base: Add for_each_child_of_node_with_prefix()")
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
 2024-11-29 02:48:59 +01:00
Linus Torvalds
7af08b57bc Tracing updates for 6.13: 
- Add trace flag for NEED_RESCHED_LAZY
 
   Now that NEED_RESCHED_LAZY is upstream, add it to the status bits of the
   common_flags. This will now show when the NEED_RESCHED_LAZY flag is set that
   is used for debugging latency issues in the kernel via a trace.
 
 - Remove leftover "__idx" variable when SRCU was removed from the tracepoint
   code
 
 - Add rcu_tasks_trace guard
 
   To add a guard() around the tracepoint code, a rcu_tasks_trace guard needs
   to be created first.
 
 - Remove __DO_TRACE() macro and just call __DO_TRACE_CALL() directly
 
   The DO_TRACE() macro has conditional locking depending on what was passed
   into the macro parameters. As the guts of the macro has been moved to
   __DO_TRACE_CALL() to handle static call logic, there's no reason to keep
   the __DO_TRACE() macro around. It is better to just do the locking in
   place without the conditionals and call __DO_TRACE_CALL() from those
   locations. The "cond" passed in can also be moved out of that macro.
   This simplifies the code.
 
 - Remove the "cond" from the system call tracepoint macros
 
   The "cond" variable was added to allow some tracepoints to check a
   condition within the static_branch (jump/nop) logic. The system calls do
   not need this. Removing it simplifies the code.
 
 - Replace scoped_guard() with just guard() in the tracepoint logic
 
   guard() works just as well as scoped_guard() in the tracepoint logic and
   the scoped_guard() causes some issues.
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Merge tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull more tracing updates from Steven Rostedt:

 - Add trace flag for NEED_RESCHED_LAZY

   Now that NEED_RESCHED_LAZY is upstream, add it to the status bits of
   the common_flags. This will now show when the NEED_RESCHED_LAZY flag
   is set that is used for debugging latency issues in the kernel via a
   trace.

 - Remove leftover "__idx" variable when SRCU was removed from the
   tracepoint code

 - Add rcu_tasks_trace guard

   To add a guard() around the tracepoint code, a rcu_tasks_trace guard
   needs to be created first.

 - Remove __DO_TRACE() macro and just call __DO_TRACE_CALL() directly

   The DO_TRACE() macro has conditional locking depending on what was
   passed into the macro parameters. As the guts of the macro has been
   moved to __DO_TRACE_CALL() to handle static call logic, there's no
   reason to keep the __DO_TRACE() macro around.

   It is better to just do the locking in place without the conditionals
   and call __DO_TRACE_CALL() from those locations. The "cond" passed in
   can also be moved out of that macro. This simplifies the code.

 - Remove the "cond" from the system call tracepoint macros

   The "cond" variable was added to allow some tracepoints to check a
   condition within the static_branch (jump/nop) logic. The system calls
   do not need this. Removing it simplifies the code.

 - Replace scoped_guard() with just guard() in the tracepoint logic

   guard() works just as well as scoped_guard() in the tracepoint logic
   and the scoped_guard() causes some issues.

* tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing: Use guard() rather than scoped_guard()
  tracing: Remove cond argument from __DECLARE_TRACE_SYSCALL
  tracing: Remove conditional locking from __DO_TRACE()
  rcupdate_trace: Define rcu_tasks_trace lock guard
  tracing: Remove __idx variable from __DO_TRACE
  tracing: Move it_func[0] comment to the relevant context
  tracing: Record task flag NEED_RESCHED_LAZY.
 2024-11-28 11:46:13 -08:00
Geert Uytterhoeven
c5efad88a9 selftests: find_symbol: Actually use load_mod() parameter 
The parameter passed to load_mod() is stored in $MOD, but never used.
Obviously it was intended to be used instead of the hardcoded
"test_kallsyms_b" module name.

Fixes: 84b4a51fce4ccc66 ("selftests: add new kallsyms selftests")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
 2024-11-28 11:17:38 -08:00
Luis Chamberlain
3e1d95b63c selftests: kallsyms: fix and clarify current test boundaries 
Provide and clarify the existing ranges and what you should expect.
Fix the gen_test_kallsyms.sh script to accept different ranges.

Fixes: 84b4a51fce4ccc66 ("selftests: add new kallsyms selftests")
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
 2024-11-28 11:17:30 -08:00
Luis Chamberlain
7ea13556f7 selftests: kallsyms: fix double build stupidity 
The current arrangement will have the test modules rebuilt on
any make without having the script or code actually change.
Take Masahiro Yamada's suggested fix and cleanups on the Makefile
to fix this.

Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: 84b4a51fce4ccc66 ("selftests: add new kallsyms selftests")
Closes: https://lore.kernel.org/all/CAK7LNATRDODmfz1tE=inV-DQqPA4G9vKH+38zMbaGdpTuFWZFw@mail.gmail.com/T/#me6c8f98e82acbee6e75a31b34bbb543eb4940b15
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
 2024-11-28 11:17:07 -08:00
Dave Airlie
9794b89c50 Driver Changes: 
- Update xe2 graphics name string (Matt Roper)
 - Fix a couple of guc submit races (Matt Auld)
 - Fix pat index usage in migrate (Matt Auld)
 - Ensure non-cached migrate pagetable bo mappings (Matt Auld)
 - Take a PM ref in the delayed snapshot capture worker (Matt Brost)
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Merge tag 'drm-xe-next-fixes-2024-11-28' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next

Driver Changes:
- Update xe2 graphics name string (Matt Roper)
- Fix a couple of guc submit races (Matt Auld)
- Fix pat index usage in migrate (Matt Auld)
- Ensure non-cached migrate pagetable bo mappings (Matt Auld)
- Take a PM ref in the delayed snapshot capture worker (Matt Brost)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z0iOjKwEGVo_DmgY@fedora
 2024-11-29 04:59:28 +10:00