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Linus Torvalds 8b45c6c90a + Features
- improve debug printing
   - carry mediation check on label (optimization)
   - improve ability for compiler to optimize __begin_current_label_crit_section
   - transition for a linked list of rulesets to a vector of rulesets
   - don't hardcode profile signal, allow it to be set by policy
   - ability to mediate caps via the state machine instead of lut
   - Add Ubuntu af_unix mediation, put it behind new v9 abi
 
 + Cleanups
   - fix typos and spelling errors
   - cleanup kernel doc and code inconsistencies
   - remove redundant checks/code
   - remove unused variables
   - Use str_yes_no() helper function
   - mark tables static where appropriate
   - make all generated string array headers const char *const
   - refactor to doc semantics of file_perm checks
   - replace macro calls to network/socket fns with explicit calls
   - refactor/cleanup socket mediation code preparing for finer grained
     mediation of different network families
   - several updates to kernel doc comments
 
 + Bug fixes
   - apparmor: Fix incorrect profile->signal range check
   - idmap mount fixes
   - policy unpack unaligned access fixes
   - kfree_sensitive() where appropriate
   - fix oops when freeing policy
   - fix conflicting attachment resolution
   - fix exec table look-ups when stacking isn't first
   - fix exec auditing
   - mitigate userspace generating overly large xtables
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Merge tag 'apparmor-pr-2025-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor

Pull apparmor updates from John Johansen:
 "This has one major feature, it pulls in a cleaned up version of
  af_unix mediation that Ubuntu has been carrying for years. It is
  placed behind a new abi to ensure that it does cause policy
  regressions. With pulling in the af_unix mediation there have been
  cleanups and some refactoring of network socket mediation. This
  accounts for the majority of the changes in the diff.

  In addition there are a few improvements providing minor code
  optimizations. several code cleanups, and bug fixes.

  Features:
   - improve debug printing
   - carry mediation check on label (optimization)
   - improve ability for compiler to optimize
     __begin_current_label_crit_section
   - transition for a linked list of rulesets to a vector of rulesets
   - don't hardcode profile signal, allow it to be set by policy
   - ability to mediate caps via the state machine instead of lut
   - Add Ubuntu af_unix mediation, put it behind new v9 abi

  Cleanups:
   - fix typos and spelling errors
   - cleanup kernel doc and code inconsistencies
   - remove redundant checks/code
   - remove unused variables
   - Use str_yes_no() helper function
   - mark tables static where appropriate
   - make all generated string array headers const char *const
   - refactor to doc semantics of file_perm checks
   - replace macro calls to network/socket fns with explicit calls
   - refactor/cleanup socket mediation code preparing for finer grained
     mediation of different network families
   - several updates to kernel doc comments

  Bug fixes:
   - fix incorrect profile->signal range check
   - idmap mount fixes
   - policy unpack unaligned access fixes
   - kfree_sensitive() where appropriate
   - fix oops when freeing policy
   - fix conflicting attachment resolution
   - fix exec table look-ups when stacking isn't first
   - fix exec auditing
   - mitigate userspace generating overly large xtables"

* tag 'apparmor-pr-2025-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor: (60 commits)
  apparmor: fix: oops when trying to free null ruleset
  apparmor: fix Regression on linux-next (next-20250721)
  apparmor: fix test error: WARNING in apparmor_unix_stream_connect
  apparmor: Remove the unused variable rules
  apparmor: fix: accept2 being specifie even when permission table is presnt
  apparmor: transition from a list of rules to a vector of rules
  apparmor: fix documentation mismatches in val_mask_to_str and socket functions
  apparmor: remove redundant perms.allow MAY_EXEC bitflag set
  apparmor: fix kernel doc warnings for kernel test robot
  apparmor: Fix unaligned memory accesses in KUnit test
  apparmor: Fix 8-byte alignment for initial dfa blob streams
  apparmor: shift uid when mediating af_unix in userns
  apparmor: shift ouid when mediating hard links in userns
  apparmor: make sure unix socket labeling is correctly updated.
  apparmor: fix regression in fs based unix sockets when using old abi
  apparmor: fix AA_DEBUG_LABEL()
  apparmor: fix af_unix auditing to include all address information
  apparmor: Remove use of the double lock
  apparmor: update kernel doc comments for xxx_label_crit_section
  apparmor: make __begin_current_label_crit_section() indicate whether put is needed
  ...
2025-08-04 08:17:28 -07:00
arch powerpc fixes for 6.17 #2 2025-08-03 19:15:04 -07:00
block Summary of significant series in this pull request: 2025-07-31 14:57:54 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
Documentation RTC for 6.17 2025-08-03 20:17:34 -07:00
drivers RTC for 6.17 2025-08-03 20:17:34 -07:00
fs Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
include RTC for 6.17 2025-08-03 20:17:34 -07:00
init Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
io_uring for-6.17/io_uring-20250728 2025-07-28 16:30:12 -07:00
ipc vfs-6.17-rc1.mmap_prepare 2025-07-28 13:43:25 -07:00
kernel Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
lib Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm cgroup: Changes for v6.17 2025-07-31 16:04:19 -07:00
net bpf-fixes 2025-08-01 17:13:26 -07:00
rust Rust changes for v6.17 2025-08-03 13:49:10 -07:00
samples Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
scripts Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
security + Features 2025-08-04 08:17:28 -07:00
sound pci-v6.17-changes 2025-08-01 13:59:07 -07:00
tools powerpc fixes for 6.17 #2 2025-08-03 19:15:04 -07:00
usr usr/include: openrisc: don't HDRTEST bpf_perf_event.h 2025-05-12 15:03:17 +09:00
virt Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD 2025-07-29 08:36:42 -04:00
.clang-format Linux 6.15-rc5 2025-05-06 16:39:25 +10:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: Retire Ralf Baechle 2024-11-12 15:48:59 +01:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore gitignore: allow .pylintrc to be tracked 2025-07-02 17:10:04 -06:00
.mailmap Significant patch series in this pull request: 2025-08-03 16:23:09 -07:00
.pylintrc docs: add a .pylintrc file with sys path for docs scripts 2025-04-09 12:10:33 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS mm: update MAINTAINERS entry for HMM 2025-07-19 19:26:16 -07:00
Kbuild drm: ensure drm headers are self-contained and pass kernel-doc 2025-02-12 10:44:43 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS RTC for 6.17 2025-08-03 20:17:34 -07:00
Makefile Rust changes for v6.17 2025-08-03 13:49:10 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.