<feed xmlns='http://www.w3.org/2005/Atom'>
<title>user/sven/linux.git/security/integrity, branch v6.8.4</title>
<subtitle>Linux Kernel
</subtitle>
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<updated>2024-02-16T13:04:17Z</updated>
<entry>
<title>integrity: eliminate unnecessary "Problem loading X.509 certificate" msg</title>
<updated>2024-02-16T13:04:17Z</updated>
<author>
<name>Coiby Xu</name>
<email>coxu@redhat.com</email>
</author>
<published>2024-01-09T00:24:28Z</published>
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<id>urn:sha1:85445b96429057d87446bcb24ec0cac9ea9c7fdf</id>
<content type='text'>
Currently when the kernel fails to add a cert to the .machine keyring,
it will throw an error immediately in the function integrity_add_key.

Since the kernel will try adding to the .platform keyring next or throw
an error (in the caller of integrity_add_key i.e. add_to_machine_keyring),
so there is no need to throw an error immediately in integrity_add_key.

Reported-by: itrymybest80@protonmail.com
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2239331
Fixes: d19967764ba8 ("integrity: Introduce a Linux keyring called machine")
Reviewed-by: Eric Snowberg &lt;eric.snowberg@oracle.com&gt;
Signed-off-by: Coiby Xu &lt;coxu@redhat.com&gt;
Signed-off-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
</content>
</entry>
<entry>
<title>Merge tag 'integrity-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity</title>
<updated>2024-01-09T21:24:06Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2024-01-09T21:24:06Z</published>
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<id>urn:sha1:6c1dd1fe5d8a1d43ed96e2e0ed44a88c73c5c039</id>
<content type='text'>
Pull integrity updates from Mimi Zohar:

 - Add a new IMA/EVM maintainer and reviewer

 - Disable EVM on overlayfs

   The EVM HMAC and the original file signatures contain filesystem
   specific metadata (e.g. i_ino, i_generation and s_uuid), preventing
   the security.evm xattr from directly being copied up to the overlay.
   Further before calculating and writing out the overlay file's EVM
   HMAC, EVM must first verify the existing backing file's
   'security.evm' value.

   For now until a solution is developed, disable EVM on overlayfs.

 - One bug fix and two cleanups

* tag 'integrity-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  overlay: disable EVM
  evm: add support to disable EVM on unsupported filesystems
  evm: don't copy up 'security.evm' xattr
  MAINTAINERS: Add Eric Snowberg as a reviewer to IMA
  MAINTAINERS: Add Roberto Sassu as co-maintainer to IMA and EVM
  KEYS: encrypted: Add check for strsep
  ima: Remove EXPERIMENTAL from Kconfig
  ima: Reword IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY
</content>
</entry>
<entry>
<title>Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm</title>
<updated>2024-01-09T19:46:20Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2024-01-09T19:46:20Z</published>
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<id>urn:sha1:9f2a635235823cf016eb8af0aeb3c0b2b25cea64</id>
<content type='text'>
Pull non-MM updates from Andrew Morton:
 "Quite a lot of kexec work this time around. Many singleton patches in
  many places. The notable patch series are:

   - nilfs2 folio conversion from Matthew Wilcox in 'nilfs2: Folio
     conversions for file paths'.

   - Additional nilfs2 folio conversion from Ryusuke Konishi in 'nilfs2:
     Folio conversions for directory paths'.

   - IA64 remnant removal in Heiko Carstens's 'Remove unused code after
     IA-64 removal'.

   - Arnd Bergmann has enabled the -Wmissing-prototypes warning
     everywhere in 'Treewide: enable -Wmissing-prototypes'. This had
     some followup fixes:

      - Nathan Chancellor has cleaned up the hexagon build in the series
        'hexagon: Fix up instances of -Wmissing-prototypes'.

      - Nathan also addressed some s390 warnings in 's390: A couple of
        fixes for -Wmissing-prototypes'.

      - Arnd Bergmann addresses the same warnings for MIPS in his series
        'mips: address -Wmissing-prototypes warnings'.

   - Baoquan He has made kexec_file operate in a top-down-fitting manner
     similar to kexec_load in the series 'kexec_file: Load kernel at top
     of system RAM if required'

   - Baoquan He has also added the self-explanatory 'kexec_file: print
     out debugging message if required'.

   - Some checkstack maintenance work from Tiezhu Yang in the series
     'Modify some code about checkstack'.

   - Douglas Anderson has disentangled the watchdog code's logging when
     multiple reports are occurring simultaneously. The series is
     'watchdog: Better handling of concurrent lockups'.

   - Yuntao Wang has contributed some maintenance work on the crash code
     in 'crash: Some cleanups and fixes'"

* tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (157 commits)
  crash_core: fix and simplify the logic of crash_exclude_mem_range()
  x86/crash: use SZ_1M macro instead of hardcoded value
  x86/crash: remove the unused image parameter from prepare_elf_headers()
  kdump: remove redundant DEFAULT_CRASH_KERNEL_LOW_SIZE
  scripts/decode_stacktrace.sh: strip unexpected CR from lines
  watchdog: if panicking and we dumped everything, don't re-enable dumping
  watchdog/hardlockup: use printk_cpu_sync_get_irqsave() to serialize reporting
  watchdog/softlockup: use printk_cpu_sync_get_irqsave() to serialize reporting
  watchdog/hardlockup: adopt softlockup logic avoiding double-dumps
  kexec_core: fix the assignment to kimage-&gt;control_page
  x86/kexec: fix incorrect end address passed to kernel_ident_mapping_init()
  lib/trace_readwrite.c:: replace asm-generic/io with linux/io
  nilfs2: cpfile: fix some kernel-doc warnings
  stacktrace: fix kernel-doc typo
  scripts/checkstack.pl: fix no space expression between sp and offset
  x86/kexec: fix incorrect argument passed to kexec_dprintk()
  x86/kexec: use pr_err() instead of kexec_dprintk() when an error occurs
  nilfs2: add missing set_freezable() for freezable kthread
  kernel: relay: remove relay_file_splice_read dead code, doesn't work
  docs: submit-checklist: remove all of "make namespacecheck"
  ...
</content>
</entry>
<entry>
<title>mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER</title>
<updated>2024-01-08T23:27:15Z</updated>
<author>
<name>Kirill A. Shutemov</name>
<email>kirill.shutemov@linux.intel.com</email>
</author>
<published>2023-12-28T14:47:04Z</published>
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<id>urn:sha1:5e0a760b44417f7cadd79de2204d6247109558a0</id>
<content type='text'>
commit 23baf831a32c ("mm, treewide: redefine MAX_ORDER sanely") has
changed the definition of MAX_ORDER to be inclusive.  This has caused
issues with code that was not yet upstream and depended on the previous
definition.

To draw attention to the altered meaning of the define, rename MAX_ORDER
to MAX_PAGE_ORDER.

Link: https://lkml.kernel.org/r/20231228144704.14033-2-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov &lt;kirill.shutemov@linux.intel.com&gt;
Cc: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
</content>
</entry>
<entry>
<title>kexec_file: print out debugging message if required</title>
<updated>2023-12-20T23:02:57Z</updated>
<author>
<name>Baoquan He</name>
<email>bhe@redhat.com</email>
</author>
<published>2023-12-13T05:57:42Z</published>
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<id>urn:sha1:a85ee18c7900f001f42082d2fabce4eaf57e655f</id>
<content type='text'>
Then when specifying '-d' for kexec_file_load interface, loaded locations
of kernel/initrd/cmdline etc can be printed out to help debug.

Here replace pr_debug() with the newly added kexec_dprintk() in kexec_file
loading related codes.

And also print out type/start/head of kimage and flags to help debug.

Link: https://lkml.kernel.org/r/20231213055747.61826-3-bhe@redhat.com
Signed-off-by: Baoquan He &lt;bhe@redhat.com&gt;
Cc: Conor Dooley &lt;conor@kernel.org&gt;
Cc: Joe Perches &lt;joe@perches.com&gt;
Cc: Nathan Chancellor &lt;nathan@kernel.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
</content>
</entry>
<entry>
<title>evm: add support to disable EVM on unsupported filesystems</title>
<updated>2023-12-20T12:40:07Z</updated>
<author>
<name>Mimi Zohar</name>
<email>zohar@linux.ibm.com</email>
</author>
<published>2023-12-18T13:06:40Z</published>
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<id>urn:sha1:cd708c938f055c9eb5a366ec1c8edcefa28afc28</id>
<content type='text'>
Identify EVM unsupported filesystems by defining a new flag
SB_I_EVM_UNSUPPORTED.

Don't verify, write, remove or update 'security.evm' on unsupported
filesystems.

Acked-by: Amir Goldstein &lt;amir73il@gmail.com&gt;
Reviewed-by: Christian Brauner &lt;brauner@kernel.org&gt;
Signed-off-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
</content>
</entry>
<entry>
<title>evm: don't copy up 'security.evm' xattr</title>
<updated>2023-12-20T12:39:52Z</updated>
<author>
<name>Mimi Zohar</name>
<email>zohar@linux.ibm.com</email>
</author>
<published>2023-12-12T11:12:43Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=40ca4ee3136d2d09977d1cab8c0c0e1582c3359d'/>
<id>urn:sha1:40ca4ee3136d2d09977d1cab8c0c0e1582c3359d</id>
<content type='text'>
The security.evm HMAC and the original file signatures contain
filesystem specific data.  As a result, the HMAC and signature
are not the same on the stacked and backing filesystems.

Don't copy up 'security.evm'.

Reviewed-by: Amir Goldstein &lt;amir73il@gmail.com&gt;
Reviewed-by: Christian Brauner &lt;brauner@kernel.org&gt;
Signed-off-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
</content>
</entry>
<entry>
<title>ima: Remove EXPERIMENTAL from Kconfig</title>
<updated>2023-11-27T17:44:47Z</updated>
<author>
<name>Eric Snowberg</name>
<email>eric.snowberg@oracle.com</email>
</author>
<published>2023-11-06T23:06:26Z</published>
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<id>urn:sha1:f17167bea279d07314ee2629e7ce2dd5a754fec7</id>
<content type='text'>
Remove the EXPERIMENTAL from the
IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY Kconfig
now that digitalSignature usage enforcement is set.

Signed-off-by: Eric Snowberg &lt;eric.snowberg@oracle.com&gt;
link: https://lore.kernel.org/all/20230508220708.2888510-4-eric.snowberg@oracle.com/
Acked-by: Jarkko Sakkinen &lt;jarkko@kernel.org&gt;
Reviewed-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
Signed-off-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
</content>
</entry>
<entry>
<title>ima: Reword IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY</title>
<updated>2023-11-27T17:44:47Z</updated>
<author>
<name>Eric Snowberg</name>
<email>eric.snowberg@oracle.com</email>
</author>
<published>2023-11-06T23:06:25Z</published>
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<id>urn:sha1:bdf1abd17ed209ccbb24f15002f32ef21145da91</id>
<content type='text'>
When the machine keyring is enabled, it may be used as a trust source
for the .ima keyring.  Add a reference to this in
IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY.

Signed-off-by: Eric Snowberg &lt;eric.snowberg@oracle.com&gt;
Signed-off-by: Mimi Zohar &lt;zohar@linux.ibm.com&gt;
</content>
</entry>
<entry>
<title>Merge tag 'mm-nonmm-stable-2023-11-02-14-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm</title>
<updated>2023-11-03T06:53:31Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2023-11-03T06:53:31Z</published>
<link rel='alternate' type='text/html' href='https://git.stealer.net/cgit.cgi/user/sven/linux.git/commit/?id=8f6f76a6a29f36d2f3e4510d0bde5046672f6924'/>
<id>urn:sha1:8f6f76a6a29f36d2f3e4510d0bde5046672f6924</id>
<content type='text'>
Pull non-MM updates from Andrew Morton:
 "As usual, lots of singleton and doubleton patches all over the tree
  and there's little I can say which isn't in the individual changelogs.

  The lengthier patch series are

   - 'kdump: use generic functions to simplify crashkernel reservation
     in arch', from Baoquan He. This is mainly cleanups and
     consolidation of the 'crashkernel=' kernel parameter handling

   - After much discussion, David Laight's 'minmax: Relax type checks in
     min() and max()' is here. Hopefully reduces some typecasting and
     the use of min_t() and max_t()

   - A group of patches from Oleg Nesterov which clean up and slightly
     fix our handling of reads from /proc/PID/task/... and which remove
     task_struct.thread_group"

* tag 'mm-nonmm-stable-2023-11-02-14-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (64 commits)
  scripts/gdb/vmalloc: disable on no-MMU
  scripts/gdb: fix usage of MOD_TEXT not defined when CONFIG_MODULES=n
  .mailmap: add address mapping for Tomeu Vizoso
  mailmap: update email address for Claudiu Beznea
  tools/testing/selftests/mm/run_vmtests.sh: lower the ptrace permissions
  .mailmap: map Benjamin Poirier's address
  scripts/gdb: add lx_current support for riscv
  ocfs2: fix a spelling typo in comment
  proc: test ProtectionKey in proc-empty-vm test
  proc: fix proc-empty-vm test with vsyscall
  fs/proc/base.c: remove unneeded semicolon
  do_io_accounting: use sig-&gt;stats_lock
  do_io_accounting: use __for_each_thread()
  ocfs2: replace BUG_ON() at ocfs2_num_free_extents() with ocfs2_error()
  ocfs2: fix a typo in a comment
  scripts/show_delta: add __main__ judgement before main code
  treewide: mark stuff as __ro_after_init
  fs: ocfs2: check status values
  proc: test /proc/${pid}/statm
  compiler.h: move __is_constexpr() to compiler.h
  ...
</content>
</entry>
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