- 21 Oct, 2015 4 commits
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David Howells authored
The supplied script takes a vmlinux file - and if necessary a System.map file - locates the system certificates list and extracts it to the named file. Call as: ./scripts/extract-sys-certs vmlinux certs if vmlinux contains symbols and: ./scripts/extract-sys-certs -s System.map vmlinux certs if it does not. It prints something like the following to stdout: Have 27 sections No symbols in vmlinux, trying System.map Have 80088 symbols Have 1346 bytes of certs at VMA 0xffffffff8201c540 Certificate list in section .init.data Certificate list at file offset 0x141c540 If vmlinux contains symbols then that is used rather than System.map - even if one is given. Signed-off-by: David Howells <dhowells@redhat.com>
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Insu Yun authored
key->description and key->index_key.description are same because they are unioned. But, for readability, using same name for duplication and validation seems better. Signed-off-by: Insu Yun <wuninsu@gmail.com> Signed-off-by: David Howells <dhowells@redhat.com>
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Paul Gortmaker authored
Currently we see this in "git status" if we build in the source dir: Untracked files: (use "git add <file>..." to include in what will be committed) certs/x509_certificate_list It looks like it used to live in kernel/ so we squash that .gitignore entry at the same time. I didn't bother to dig through git history to see when it moved, since it is just a minor annoyance at most. Cc: David Woodhouse <dwmw2@infradead.org> Cc: keyrings@linux-nfs.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David Howells <dhowells@redhat.com>
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Geliang Tang authored
There is no need to make a flag to tell that this memory is allocated by kmalloc or vmalloc. Just use kvfree to free the memory. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: David Howells <dhowells@redhat.com>
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- 20 Oct, 2015 2 commits
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James Morris authored
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into next
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- 19 Oct, 2015 1 commit
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Zbigniew Jasinski authored
This feature introduces new kernel interface: - <smack_fs>/relabel-self - for setting transition labels list This list is used to control smack label transition mechanism. List is set by, and per process. Process can transit to new label only if label is on the list. Only process with CAP_MAC_ADMIN capability can add labels to this list. With this list, process can change it's label without CAP_MAC_ADMIN but only once. After label changing, list is unset. Changes in v2: * use list_for_each_entry instead of _rcu during label write * added missing description in security/Smack.txt Changes in v3: * squashed into one commit Changes in v4: * switch from global list to per-task list * since the per-task list is accessed only by the task itself there is no need to use synchronization mechanisms on it Changes in v5: * change smackfs interface of relabel-self to the one used for onlycap multiple labels are accepted, separated by space, which replace the previous list upon write Signed-off-by: Zbigniew Jasinski <z.jasinski@samsung.com> Signed-off-by: Rafal Krypa <r.krypa@samsung.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
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- 18 Oct, 2015 18 commits
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Hon Ching \(Vicky\) Lo authored
The base pointer for the event log is allocated in the local kernel (in prom_instantiate_sml()), therefore it is already in the host's endian byte order and requires no conversion. The content of the 'basep' pointer in read_log() stores the base address of the log. This patch ensures that it is correctly implemented. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Reviewed-by: Ashley Lai <ashley@ahsleylai.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Hon Ching \(Vicky\) Lo authored
This patch makes the code endianness independent. We defined a macro do_endian_conversion to apply endianness to raw integers in the event entries so that they will be displayed properly. tpm_binary_bios_measurements_show() is modified for the display. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Reviewed-by: Ashley Lai <ashley@ahsleylai.com> Reviewed-by: Ashley Lai <ashley@ahsleylai.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Krzysztof Kozlowski authored
i2c_driver does not need to set an owner because i2c_register_driver() will set it. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Hon Ching \(Vicky\) Lo authored
The OS should ask Power Firmware (PFW) for the size of the buffer allocated for the event log, instead of the size of the actual event log. It then passes the buffer adddress and size to PFW in the handover process, into which PFW copies the log. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Hon Ching \(Vicky\) Lo authored
The event log generated by OpenFirmware in PowerPC is 4-byte aligned. This patch reformats the log to be byte-aligned for the Linux client. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Hon Ching \(Vicky\) Lo authored
Replace all occurrences of '/ibm,vtpm' with '/vdevice/vtpm', as only the latter is guanranteed to be available for the client OS. The '/ibm,vtpm' node should only be used by Open Firmware, which is susceptible to changes. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
At the moment, no one has time to pay enough attention to this subsystem so that patches get eventually merged into linux-next. Even critical bug fixes can lie for weeks. I'm happy to continue with the current maintainers if they are able to do their job but if this is not the case I cannot find any other solution but apply myself for the job. If there is someone more experienced and/or competent, I'm also happy to let one take the stand. Anything works as long as it works. I just want a solution for this bottleneck. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Acked-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Call tpm_seal_trusted() and tpm_unseal_trusted() for TPM 2.0 chips. We require explicit 'keyhandle=' option because there's no a fixed storage root key inside TPM2 chips. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Andreas Fuchs <andreas.fuchs@sit.fraunhofer.de> Tested-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (on TPM 1.2) Tested-by: Chris J Arges <chris.j.arges@canonical.com> Tested-by: Colin Ian King <colin.king@canonical.com> Tested-by: Kevin Strasser <kevin.strasser@intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Added tpm_trusted_seal() and tpm_trusted_unseal() API for sealing trusted keys. This patch implements basic sealing and unsealing functionality for TPM 2.0: * Seal with a parent key using a 20 byte auth value. * Unseal with a parent key using a 20 byte auth value. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Moved struct trusted_key_options to trustes-type.h so that the fields can be accessed from drivers/char/tpm. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
This patch introduces struct tpm_buf that provides a string buffer for constructing TPM commands. This allows to construct variable sized TPM commands. For the buffer a page is allocated and mapped, which limits maximum size to PAGE_SIZE. Variable sized TPM commands are needed in order to add algorithmic agility. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain where PPI attributes are located and how backwards compatibility is addressed. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Moved PPI attributes to the character device directory. This aligns with the sysfs guidelines and makes them race free because they are created atomically with the character device as part of device_register().The character device and the sysfs attributes appear at the same time to the user space. As part of this change we enable PPI attributes also for TPM 2.0 devices. In order to retain backwards compatibility with TPM 1.x devices, a symlink is created to the platform device directory. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jason Gunthorpe <jason.gunthorpe@obsidianresearch.com> Tested-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (on TPM 1.2) Tested-by: Chris J Arges <chris.j.arges@canonical.com> Tested-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Added a new function __compat_only_sysfs_link_group_to_kobj() that adds a symlink from attribute or group to a kobject. This needed for maintaining backwards compatibility with PPI attributes in the TPM driver. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
Both for FIFO and CRB interface TCG has decided to use the same HID MSFT0101. They can be differentiated by looking at the start method from TPM2 ACPI table. This patches makes necessary fixes to tpm_tis and tpm_crb modules in order to correctly detect, which module should be used. For MSFT0101 we must use struct acpi_driver because struct pnp_driver has a 7 character limitation. It turned out that the root cause in b371616b was not correct for https://bugzilla.kernel.org/show_bug.cgi?id=98181. v2: * One fixup was missing from v1: is_tpm2_fifo -> is_fifo v3: * Use pnp_driver for existing HIDs and acpi_driver only for MSFT0101 in order ensure backwards compatibility. v4: * Check for FIFO before doing *anything* in crb_acpi_add(). * There was return immediately after acpi_bus_unregister_driver() in cleanup_tis(). This caused pnp_unregister_driver() not to be called. Cc: stable@kernel.org Reported-by: Michael Saunders <mick.saunders@gmail.com> Reported-by: Michael Marley <michael@michaelmarley.com> Reported-by: Jethro Beekman <kernel@jbeekman.nl> Reported-by: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Michael Marley <michael@michaelmarley.com> Tested-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (on TPM 1.2) Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Jarkko Sakkinen authored
The command buffer address must be read with exactly two 32-bit reads. Otherwise, on some HW platforms, it seems that HW will abort the read operation, which causes CPU to fill the read bytes with 1's. Therefore, we cannot rely on memcpy_fromio() but must call ioread32() two times instead. Also, this matches the PC Client Platform TPM Profile specification, which defines command buffer address with two 32-bit fields. Cc: stable@kernel.org Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Hon Ching \(Vicky\) Lo authored
At ibm vtpm initialzation, tpm_ibmvtpm_probe() registers its interrupt handler, ibmvtpm_interrupt, which calls ibmvtpm_crq_process to allocate memory for rtce buffer. The current code uses 'GFP_KERNEL' as the type of kernel memory allocation, which resulted a warning at kernel/lockdep.c. This patch uses 'GFP_ATOMIC' instead so that the allocation is high-priority and does not sleep. Cc: stable@kernel.org Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Geert Uytterhoeven authored
The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer functionality only, can still be compiled if GPIOLIB is not enabled. Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where appropriate. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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- 09 Oct, 2015 5 commits
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Roman Kubiak authored
This fix writes the task label when smack_d_instantiate is called, before the label of the superblock was written on the pipe's inode. Signed-off-by: Roman Kubiak <r.kubiak@samsung.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
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José Bollo authored
This change has two goals: - delay the setting of 'smack_enabled' until it will be really effective - ensure that smackfs is valid only if 'smack_enabled' is set (it is already the case in smack_netfilter.c) Signed-off-by: José Bollo <jose.bollo@iot.bzh> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
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Geliang Tang authored
Fixes the following sparse warning: security/smack/smack_lsm.c:55:1: warning: symbol 'smk_ipv6_port_list' was not declared. Should it be static? Signed-off-by: Geliang Tang <geliangtang@163.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
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Lukasz Pawelczyk authored
'commit e774ad68 ("smack: pass error code through pointers")' made this function return proper error codes instead of NULL. Reflect that. This is a fix for a NULL dereference introduced in 'commit 21abb1ec ("Smack: IPv6 host labeling")' echo "$SOME_IPV6_ADDR \"test" > /smack/ipv6host (this should return EINVAL, it doesn't) cat /smack/ipv6host (derefences 0x000a) Signed-off-by: Lukasz Pawelczyk <l.pawelczyk@samsung.com> Acked-by: Casey Schaufler <casey@schaufler-ca.com>
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Dmitry Kasatkin authored
If IMA_LOAD_X509 is enabled, either directly or indirectly via IMA_APPRAISE_SIGNED_INIT, certificates are loaded onto the IMA trusted keyring by the kernel via key_create_or_update(). When the KEY_ALLOC_TRUSTED flag is provided, certificates are loaded without first verifying the certificate is properly signed by a trusted key on the system keyring. This patch removes the KEY_ALLOC_TRUSTED flag. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@huawei.com> Cc: <stable@vger.kernel.org> # 3.19+ Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
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- 04 Oct, 2015 6 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds authored
Pull strscpy string copy function implementation from Chris Metcalf. Chris sent this during the merge window, but I waffled back and forth on the pull request, which is why it's going in only now. The new "strscpy()" function is definitely easier to use and more secure than either strncpy() or strlcpy(), both of which are horrible nasty interfaces that have serious and irredeemable problems. strncpy() has a useless return value, and doesn't NUL-terminate an overlong result. To make matters worse, it pads a short result with zeroes, which is a performance disaster if you have big buffers. strlcpy(), by contrast, is a mis-designed "fix" for strlcpy(), lacking the insane NUL padding, but having a differently broken return value which returns the original length of the source string. Which means that it will read characters past the count from the source buffer, and you have to trust the source to be properly terminated. It also makes error handling fragile, since the test for overflow is unnecessarily subtle. strscpy() avoids both these problems, guaranteeing the NUL termination (but not excessive padding) if the destination size wasn't zero, and making the overflow condition very obvious by returning -E2BIG. It also doesn't read past the size of the source, and can thus be used for untrusted source data too. So why did I waffle about this for so long? Every time we introduce a new-and-improved interface, people start doing these interminable series of trivial conversion patches. And every time that happens, somebody does some silly mistake, and the conversion patch to the improved interface actually makes things worse. Because the patch is mindnumbing and trivial, nobody has the attention span to look at it carefully, and it's usually done over large swatches of source code which means that not every conversion gets tested. So I'm pulling the strscpy() support because it *is* a better interface. But I will refuse to pull mindless conversion patches. Use this in places where it makes sense, but don't do trivial patches to fix things that aren't actually known to be broken. * 'strscpy' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: tile: use global strscpy() rather than private copy string: provide strscpy() Make asm/word-at-a-time.h available on all architectures
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git://neil.brown.name/mdLinus Torvalds authored
Pull md fixes from Neil Brown: "Assorted fixes for md in 4.3-rc. Two tagged for -stable, and one is really a cleanup to match and improve kmemcache interface. * tag 'md/4.3-fixes' of git://neil.brown.name/md: md/bitmap: don't pass -1 to bitmap_storage_alloc. md/raid1: Avoid raid1 resync getting stuck md: drop null test before destroy functions md: clear CHANGE_PENDING in readonly array md/raid0: apply base queue limits *before* disk_stack_limits md/raid5: don't index beyond end of array in need_this_block(). raid5: update analysis state for failed stripe md: wait for pending superblock updates before switching to read-only
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull MIPS updates from Ralf Baechle: "This week's round of MIPS fixes: - Fix JZ4740 build - Fix fallback to GFP_DMA - FP seccomp in case of ENOSYS - Fix bootmem panic - A number of FP and CPS fixes - Wire up new syscalls - Make sure BPF assembler objects can properly be disassembled - Fix BPF assembler code for MIPS I" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: scall: Always run the seccomp syscall filters MIPS: Octeon: Fix kernel panic on startup from memory corruption MIPS: Fix R2300 FP context switch handling MIPS: Fix octeon FP context switch handling MIPS: BPF: Fix load delay slots. MIPS: BPF: Do all exports of symbols with FEXPORT(). MIPS: Fix the build on jz4740 after removing the custom gpio.h MIPS: CPS: #ifdef on CONFIG_MIPS_MT_SMP rather than CONFIG_MIPS_MT MIPS: CPS: Don't include MT code in non-MT kernels. MIPS: CPS: Stop dangling delay slot from has_mt. MIPS: dma-default: Fix 32-bit fall back to GFP_DMA MIPS: Wire up userfaultfd and membarrier syscalls.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fixes from Thomas Gleixner: "This update contains: - Fix for a long standing race affecting /proc/irq/NNN - One line fix for ARM GICV3-ITS counting the wrong data - Warning silencing in ARM GICV3-ITS. Another GCC trying to be overly clever issue" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3-its: Count additional LPIs for the aliased devices irqchip/gic-v3-its: Silence warning when its_lpi_alloc_chunks gets inlined genirq: Fix race in register_irq_proc()
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Markos Chandras authored
The MIPS syscall handler code used to return -ENOSYS on invalid syscalls. Whilst this is expected, it caused problems for seccomp filters because the said filters never had the change to run since the code returned -ENOSYS before triggering them. This caused problems on the chromium testsuite for filters looking for invalid syscalls. This has now changed and the seccomp filters are always run even if the syscall is invalid. We return -ENOSYS once we return from the seccomp filters. Moreover, similar codepaths have been merged in the process which simplifies somewhat the overall syscall code. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11236/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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- 03 Oct, 2015 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Ingo Molnar: "Fixes all around the map: W+X kernel mapping fix, WCHAN fixes, two build failure fixes for corner case configs, x32 header fix and a speling fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/headers/uapi: Fix __BITS_PER_LONG value for x32 builds x86/mm: Set NX on gap between __ex_table and rodata x86/kexec: Fix kexec crash in syscall kexec_file_load() x86/process: Unify 32bit and 64bit implementations of get_wchan() x86/process: Add proper bound checks in 64bit get_wchan() x86, efi, kasan: Fix build failure on !KASAN && KMEMCHECK=y kernels x86/hyperv: Fix the build in the !CONFIG_KEXEC_CORE case x86/cpufeatures: Correct spelling of the HWP_NOTIFY flag
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fixes from Ingo Molnar: "An abs64() fix in the watchdog driver, and two clocksource driver NO_IRQ assumption fixes" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: Fix abs() usage w/ 64bit values clocksource/drivers/keystone: Fix bad NO_IRQ usage clocksource/drivers/rockchip: Fix bad NO_IRQ usage
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI fixes from Ingo Molnar: "Two EFI fixes: one for x86, one for ARM, fixing a boot crash bug that can trigger under newer EFI firmware" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arm64/efi: Fix boot crash by not padding between EFI_MEMORY_RUNTIME regions x86/efi: Fix boot crash by mapping EFI memmap entries bottom-up at runtime, instead of top-down
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Bunch of fixes all over the place, all pretty small: amdgpu, i915, exynos, one qxl and one vmwgfx. There is also a bunch of mst fixes, I left some cleanups in the series as I didn't think it was worth splitting up the tested series" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (37 commits) drm/dp/mst: add some defines for logical/physical ports drm/dp/mst: drop cancel work sync in the mstb destroy path (v2) drm/dp/mst: split connector registration into two parts (v2) drm/dp/mst: update the link_address_sent before sending the link address (v3) drm/dp/mst: fixup handling hotplug on port removal. drm/dp/mst: don't pass port into the path builder function drm/radeon: drop radeon_fb_helper_set_par drm: handle cursor_set2 in restore_fbdev_mode drm/exynos: Staticize local function in exynos_drm_gem.c drm/exynos: fimd: actually disable dp clock drm/exynos: dp: remove suspend/resume functions drm/qxl: recreate the primary surface when the bo is not primary drm/amdgpu: only print meaningful VM faults drm/amdgpu/cgs: remove import_gpu_mem drm/i915: Call non-locking version of drm_kms_helper_poll_enable(), v2 drm: Add a non-locking version of drm_kms_helper_poll_enable(), v2 drm/vmwgfx: Fix a command submission hang regression drm/exynos: remove unused mode_fixup() code drm/exynos: remove decon_mode_fixup() drm/exynos: remove fimd_mode_fixup() ...
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