18 Mar, 2016

1 commit

  • Pull security layer updates from James Morris:
    "There are a bunch of fixes to the TPM, IMA, and Keys code, with minor
    fixes scattered across the subsystem.

    IMA now requires signed policy, and that policy is also now measured
    and appraised"

    * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (67 commits)
    X.509: Make algo identifiers text instead of enum
    akcipher: Move the RSA DER encoding check to the crypto layer
    crypto: Add hash param to pkcs1pad
    sign-file: fix build with CMS support disabled
    MAINTAINERS: update tpmdd urls
    MODSIGN: linux/string.h should be #included to get memcpy()
    certs: Fix misaligned data in extra certificate list
    X.509: Handle midnight alternative notation in GeneralizedTime
    X.509: Support leap seconds
    Handle ISO 8601 leap seconds and encodings of midnight in mktime64()
    X.509: Fix leap year handling again
    PKCS#7: fix unitialized boolean 'want'
    firmware: change kernel read fail to dev_dbg()
    KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert
    KEYS: Reserve an extra certificate symbol for inserting without recompiling
    modsign: hide openssl output in silent builds
    tpm_tis: fix build warning with tpm_tis_resume
    ima: require signed IMA policy
    ima: measure and appraise the IMA policy itself
    ima: load policy using path
    ...

    Linus Torvalds
     

21 Feb, 2016

1 commit

  • Replace copy_file_from_fd() with kernel_read_file_from_fd().

    Two new identifiers named READING_KEXEC_IMAGE and READING_KEXEC_INITRAMFS
    are defined for measuring, appraising or auditing the kexec image and
    initramfs.

    Changelog v3:
    - return -EBADF, not -ENOEXEC
    - identifier change
    - split patch, moving copy_file_from_fd() to a separate patch
    - split patch, moving IMA changes to a separate patch
    v0:
    - use kstat file size type loff_t, not size_t
    - Calculate the file hash from the in memory buffer - Dave Young

    Signed-off-by: Mimi Zohar
    Acked-by: Kees Cook
    Acked-by: Luis R. Rodriguez
    Cc: Eric Biederman
    Acked-by: Dave Young

    Mimi Zohar
     

30 Jan, 2016

2 commits

  • Change the callers of walk_iomem_res() scanning for the
    following resources by name to use walk_iomem_res_desc()
    instead.

    "ACPI Tables"
    "ACPI Non-volatile Storage"
    "Persistent Memory (legacy)"
    "Crash kernel"

    Note, the caller of walk_iomem_res() with "GART" will be removed
    in a later patch.

    Signed-off-by: Toshi Kani
    Signed-off-by: Borislav Petkov
    Reviewed-by: Dave Young
    Cc: Andrew Morton
    Cc: Andy Lutomirski
    Cc: Andy Lutomirski
    Cc: Borislav Petkov
    Cc: Brian Gerst
    Cc: Chun-Yi
    Cc: Dan Williams
    Cc: Denys Vlasenko
    Cc: Don Zickus
    Cc: H. Peter Anvin
    Cc: Lee, Chun-Yi
    Cc: Linus Torvalds
    Cc: Luis R. Rodriguez
    Cc: Minfei Huang
    Cc: Peter Zijlstra (Intel)
    Cc: Ross Zwisler
    Cc: Stephen Rothwell
    Cc: Takao Indoh
    Cc: Thomas Gleixner
    Cc: Toshi Kani
    Cc: kexec@lists.infradead.org
    Cc: linux-arch@vger.kernel.org
    Cc: linux-mm
    Cc: linux-nvdimm@lists.01.org
    Link: http://lkml.kernel.org/r/1453841853-11383-15-git-send-email-bp@alien8.de
    Signed-off-by: Ingo Molnar

    Toshi Kani
     
  • Set proper ioresource flags and types for crash kernel
    reservation areas.

    Signed-off-by: Toshi Kani
    Signed-off-by: Borislav Petkov
    Reviewed-by: Dave Young
    Cc: Andrew Morton
    Cc: Andy Lutomirski
    Cc: Baoquan He
    Cc: Borislav Petkov
    Cc: Brian Gerst
    Cc: Denys Vlasenko
    Cc: H. Peter Anvin
    Cc: HATAYAMA Daisuke
    Cc: Linus Torvalds
    Cc: Luis R. Rodriguez
    Cc: Minfei Huang
    Cc: Peter Zijlstra
    Cc: Thomas Gleixner
    Cc: Toshi Kani
    Cc: Vivek Goyal
    Cc: kexec@lists.infradead.org
    Cc: linux-arch@vger.kernel.org
    Cc: linux-mm
    Link: http://lkml.kernel.org/r/1453841853-11383-8-git-send-email-bp@alien8.de
    Signed-off-by: Ingo Molnar

    Toshi Kani
     

21 Jan, 2016

1 commit


07 Nov, 2015

1 commit

  • kexec output message misses the prefix "kexec", when Dave Young split the
    kexec code. Now, we use file name as the output message prefix.

    Currently, the format of output message:
    [ 140.290795] SYSC_kexec_load: hello, world
    [ 140.291534] kexec: sanity_check_segment_list: hello, world

    Ideally, the format of output message:
    [ 30.791503] kexec: SYSC_kexec_load, Hello, world
    [ 79.182752] kexec_core: sanity_check_segment_list, Hello, world

    Remove the custom prefix "kexec" in output message.

    Signed-off-by: Minfei Huang
    Acked-by: Dave Young
    Cc: "Eric W. Biederman"
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Minfei Huang
     

11 Sep, 2015

1 commit

  • Split kexec_file syscall related code to another file kernel/kexec_file.c
    so that the #ifdef CONFIG_KEXEC_FILE in kexec.c can be dropped.

    Sharing variables and functions are moved to kernel/kexec_internal.h per
    suggestion from Vivek and Petr.

    [akpm@linux-foundation.org: fix bisectability]
    [akpm@linux-foundation.org: declare the various arch_kexec functions]
    [akpm@linux-foundation.org: fix build]
    Signed-off-by: Dave Young
    Cc: Eric W. Biederman
    Cc: Vivek Goyal
    Cc: Petr Tesarik
    Cc: Theodore Ts'o
    Cc: Josh Boyer
    Cc: David Howells
    Cc: Geert Uytterhoeven
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Dave Young