linux/arch/m68k/kernel
Linus Torvalds 063a7ce32d lsm/stable-6.8 PR 20240105
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Merge tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull security module updates from Paul Moore:

 - Add three new syscalls: lsm_list_modules(), lsm_get_self_attr(), and
   lsm_set_self_attr().

   The first syscall simply lists the LSMs enabled, while the second and
   third get and set the current process' LSM attributes. Yes, these
   syscalls may provide similar functionality to what can be found under
   /proc or /sys, but they were designed to support multiple,
   simultaneaous (stacked) LSMs from the start as opposed to the current
   /proc based solutions which were created at a time when only one LSM
   was allowed to be active at a given time.

   We have spent considerable time discussing ways to extend the
   existing /proc interfaces to support multiple, simultaneaous LSMs and
   even our best ideas have been far too ugly to support as a kernel
   API; after +20 years in the kernel, I felt the LSM layer had
   established itself enough to justify a handful of syscalls.

   Support amongst the individual LSM developers has been nearly
   unanimous, with a single objection coming from Tetsuo (TOMOYO) as he
   is worried that the LSM_ID_XXX token concept will make it more
   difficult for out-of-tree LSMs to survive. Several members of the LSM
   community have demonstrated the ability for out-of-tree LSMs to
   continue to exist by picking high/unused LSM_ID values as well as
   pointing out that many kernel APIs rely on integer identifiers, e.g.
   syscalls (!), but unfortunately Tetsuo's objections remain.

   My personal opinion is that while I have no interest in penalizing
   out-of-tree LSMs, I'm not going to penalize in-tree development to
   support out-of-tree development, and I view this as a necessary step
   forward to support the push for expanded LSM stacking and reduce our
   reliance on /proc and /sys which has occassionally been problematic
   for some container users. Finally, we have included the linux-api
   folks on (all?) recent revisions of the patchset and addressed all of
   their concerns.

 - Add a new security_file_ioctl_compat() LSM hook to handle the 32-bit
   ioctls on 64-bit systems problem.

   This patch includes support for all of the existing LSMs which
   provide ioctl hooks, although it turns out only SELinux actually
   cares about the individual ioctls. It is worth noting that while
   Casey (Smack) and Tetsuo (TOMOYO) did not give explicit ACKs to this
   patch, they did both indicate they are okay with the changes.

 - Fix a potential memory leak in the CALIPSO code when IPv6 is disabled
   at boot.

   While it's good that we are fixing this, I doubt this is something
   users are seeing in the wild as you need to both disable IPv6 and
   then attempt to configure IPv6 labeled networking via
   NetLabel/CALIPSO; that just doesn't make much sense.

   Normally this would go through netdev, but Jakub asked me to take
   this patch and of all the trees I maintain, the LSM tree seemed like
   the best fit.

 - Update the LSM MAINTAINERS entry with additional information about
   our process docs, patchwork, bug reporting, etc.

   I also noticed that the Lockdown LSM is missing a dedicated
   MAINTAINERS entry so I've added that to the pull request. I've been
   working with one of the major Lockdown authors/contributors to see if
   they are willing to step up and assume a Lockdown maintainer role;
   hopefully that will happen soon, but in the meantime I'll continue to
   look after it.

 - Add a handful of mailmap entries for Serge Hallyn and myself.

* tag 'lsm-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm: (27 commits)
  lsm: new security_file_ioctl_compat() hook
  lsm: Add a __counted_by() annotation to lsm_ctx.ctx
  calipso: fix memory leak in netlbl_calipso_add_pass()
  selftests: remove the LSM_ID_IMA check in lsm/lsm_list_modules_test
  MAINTAINERS: add an entry for the lockdown LSM
  MAINTAINERS: update the LSM entry
  mailmap: add entries for Serge Hallyn's dead accounts
  mailmap: update/replace my old email addresses
  lsm: mark the lsm_id variables are marked as static
  lsm: convert security_setselfattr() to use memdup_user()
  lsm: align based on pointer length in lsm_fill_user_ctx()
  lsm: consolidate buffer size handling into lsm_fill_user_ctx()
  lsm: correct error codes in security_getselfattr()
  lsm: cleanup the size counters in security_getselfattr()
  lsm: don't yet account for IMA in LSM_CONFIG_COUNT calculation
  lsm: drop LSM_ID_IMA
  LSM: selftests for Linux Security Module syscalls
  SELinux: Add selfattr hooks
  AppArmor: Add selfattr hooks
  Smack: implement setselfattr and getselfattr hooks
  ...
2024-01-09 12:57:46 -08:00
..
syscalls lsm/stable-6.8 PR 20240105 2024-01-09 12:57:46 -08:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
asm-offsets.c m68k: Remove set_fs() 2021-09-24 13:35:07 +02:00
bootinfo_proc.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
dma.c m68k: remove unused includes from dma.c 2023-10-22 16:38:55 +02:00
early_printk.c m68k: mvme16x: Add and use "mvme16x.h" 2023-10-06 10:03:03 +02:00
entry.S m68k: Replace GPL 2.0+ README.legal boilerplate with SPDX 2023-10-06 10:03:04 +02:00
head.S m68k: Replace GPL 2.0+ README.legal boilerplate with SPDX 2023-10-06 10:03:04 +02:00
ints.c m68k: kernel: Add and use "ints.h" 2023-10-06 10:03:01 +02:00
ints.h m68k: kernel: Add and use "ints.h" 2023-10-06 10:03:01 +02:00
irq.c
machine_kexec.c m68k: kexec: Include <linux/reboot.h> 2023-04-21 09:53:54 +02:00
Makefile m68k, kexec: fix the incorrect ifdeffery and build dependency of CONFIG_KEXEC 2023-12-12 17:20:17 -08:00
module.c
pcibios.c m68k/pci: Drop useless pcibios_setup() 2023-08-21 08:45:36 +10:00
process.c m68k: kernel: Add and use "process.h" 2023-10-06 10:03:01 +02:00
process.h m68k: kernel: Add and use "process.h" 2023-10-06 10:03:01 +02:00
ptrace.c m68k: kernel: Add and use "ptrace.h" 2023-10-06 10:03:01 +02:00
ptrace.h m68k: kernel: Add and use "ptrace.h" 2023-10-06 10:03:01 +02:00
relocate_kernel.S m68k: Fix invalid .section syntax 2023-07-24 14:50:02 +02:00
setup_mm.c m68k: mm: Move paging_init() to common <asm/pgtable.h> 2023-10-06 10:03:02 +02:00
setup_no.c m68k: use strscpy() to instead of strncpy() 2022-12-05 09:07:21 +10:00
setup.c m68k: pull mach_beep in setup.c 2017-11-06 08:25:21 +10:00
signal.c m68k: kernel: Add and use "signal.h" 2023-10-06 10:03:01 +02:00
signal.h m68k: kernel: Add and use "signal.h" 2023-10-06 10:03:01 +02:00
sun3-head.S m68k/sun3: Remove is_medusa and m68k_pgtable_cachemode 2018-08-31 09:30:42 +02:00
sys_m68k.c m68k: mm: Add and use "fault.h" 2023-10-06 10:03:02 +02:00
syscalltable.S m68k: syscalls: switch to generic syscalltbl.sh 2021-04-06 09:33:20 +02:00
time.c m68knommu: fix undefined reference to `mach_get_rtc_pll' 2022-05-25 00:03:58 +10:00
traps.c m68k: kernel: Fix indentation by 7 spaces in traps.c 2023-10-16 14:30:39 +02:00
traps.h m68k: kernel: Add and use "traps.h" 2023-10-06 10:03:01 +02:00
uboot.c m68k: coldfire: fix warnings in uboot argument processing 2023-10-23 08:22:22 +10:00
vectors.c m68k: kernel: Add and use "vectors.h" 2023-10-06 10:03:01 +02:00
vectors.h m68k: kernel: Add and use "vectors.h" 2023-10-06 10:03:01 +02:00
vmlinux-nommu.lds objtool/idle: Validate __cpuidle code as noinstr 2023-01-13 11:48:15 +01:00
vmlinux-std.lds objtool/idle: Validate __cpuidle code as noinstr 2023-01-13 11:48:15 +01:00
vmlinux-sun3.lds objtool/idle: Validate __cpuidle code as noinstr 2023-01-13 11:48:15 +01:00
vmlinux.lds.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00