| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"From the irqchip departement you get:
- regression fix for omap-intc
- regression fix for atmel-aic-common
- functional correctness fix for hip04
- type mismatch fix for gic-v3-its
- proper error pointer check for mtd-sysirq
Mostly one and two liners except for the omap regression fix which is
slightly larger than desired"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: atmel-aic-common: Prevent clobbering of priority when changing IRQ type
irqchip: omap-intc: Fix legacy DMA regression
irqchip: gic-v3-its: Fix use of max with decimal constant
irqchip: hip04: Initialize hip04_cpu_map to 0xffff
irqchip: mtk-sysirq: Use IS_ERR() instead of NULL pointer check
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git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper
- mtk-sysirq: Fix error handling
- hip04: Fix cpu map for 16bit value
- gic-v3-its: Clear a warning regarding decimal constants
- omap-intc: Fix legacy DMA regression
- atmel-aic-common: Retain priority when changing type
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Commit 4c76e2103ade ("crypto: prefix module autoloading with "crypto-"")
changed the automatic module loading when requesting crypto algorithms
to prefix all module requests with "crypto-". This requires all crypto
modules to have a crypto specific module alias even if their file name
would otherwise match the requested crypto algorithm.
Even though commit 4c76e2103ade added those aliases for a vast amount of
modules, it was missing a few. Add the required MODULE_ALIAS_CRYPTO
annotations to those files to make them get loaded automatically, again.
This fixes, e.g., requesting 'ecb(blowfish-generic)', which used to work
with kernels v3.18 and below.
Also change MODULE_ALIAS() lines to MODULE_ALIAS_CRYPTO(). The former
won't work for crypto modules any more.
Fixes: 4c76e2103ade ("crypto: prefix module autoloading with "crypto-"")
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If a request is backlogged, it's complete() handler will get called
twice: once with -EINPROGRESS, and once with the final error code.
af_alg's complete handler, unlike other users, does not handle the
-EINPROGRESS but instead always completes the completion that recvmsg()
is waiting on. This can lead to a return to user space while the
request is still pending in the driver. If userspace closes the sockets
before the requests are handled by the driver, this will lead to
use-after-frees (and potential crashes) in the kernel due to the tfm
having been freed.
The crashes can be easily reproduced (for example) by reducing the max
queue length in cryptod.c and running the following (from
http://www.chronox.de/libkcapi.html) on AES-NI capable hardware:
$ while true; do kcapi -x 1 -e -c '__ecb-aes-aesni' \
-k 00000000000000000000000000000000 \
-p 00000000000000000000000000000000 >/dev/null & done
Cc: stable@vger.kernel.org
Signed-off-by: Rabin Vincent <rabin.vincent@axis.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates part 2 from Arnd Bergmann:
"This is a follow-up to the early ARM SoC DT changes, with additional
content that has external dependencies:
- The Tegra IOMMU DT support depends on changes from the iommu tree,
plus the contents of the arm-soc drivers branch
- The MVEBU PHY support depends on changes from the phy tree
- The AT91 DT support depends on changes from the RTC and DMA-slave
trees
All of these changes just enable additional devices for existing
platforms"
* tag 'dt2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: tegra: Enable IOMMU for display controllers on Tegra124
ARM: tegra: Enable IOMMU for display controllers on Tegra114
ARM: tegra: Enable IOMMU for display controllers on Tegra30
ARM: tegra: Add memory controller support for Tegra124
ARM: tegra: Add memory controller support for Tegra114
ARM: tegra: Add memory controller support for Tegra30
ARM: tegra: Add APB_MISC_GP as a MIPI pad control bank
ARM: mvebu: add PHY support to the dts for the USB controllers on Armada 375
ARM: mvebu: add Device Tree description of USB cluster controller on Armada 375
ARM: at91/dt: at91sam9g45: add ISI node
ARM: at91/dt: enable the RTT block on the at91sam9m10g45ek board
ARM: at91/dt: enable the RTT block on the sam9g20ek board
ARM: at91/dt: add GPBR nodes
ARM: at91/dt: add RTT nodes to at91 dtsis
ARM: at91/dt: at91sam9rl: add rtc
ARM: at91: fix GPLv2 wording
ARM: at91/dt: sama5d4: add DMA support
ARM: at91/dt: sama5d4: use macro instead of numeric value
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security layer updates from James Morris:
"In terms of changes, there's general maintenance to the Smack,
SELinux, and integrity code.
The IMA code adds a new kconfig option, IMA_APPRAISE_SIGNED_INIT,
which allows IMA appraisal to require signatures. Support for reading
keys from rootfs before init is call is also added"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (23 commits)
selinux: Remove security_ops extern
security: smack: fix out-of-bounds access in smk_parse_smack()
VFS: refactor vfs_read()
ima: require signature based appraisal
integrity: provide a hook to load keys when rootfs is ready
ima: load x509 certificate from the kernel
integrity: provide a function to load x509 certificate from the kernel
integrity: define a new function integrity_read_file()
Security: smack: replace kzalloc with kmem_cache for inode_smack
Smack: Lock mode for the floor and hat labels
ima: added support for new kernel cmdline parameter ima_template_fmt
ima: allocate field pointers array on demand in template_desc_init_fields()
ima: don't allocate a copy of template_fmt in template_desc_init_fields()
ima: display template format in meas. list if template name length is zero
ima: added error messages to template-related functions
ima: use atomic bit operations to protect policy update interface
ima: ignore empty and with whitespaces policy lines
ima: no need to allocate entry for comment
ima: report policy load status
ima: use path names cache
...
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Pull crypto update from Herbert Xu:
- The crypto API is now documented :)
- Disallow arbitrary module loading through crypto API.
- Allow get request with empty driver name through crypto_user.
- Allow speed testing of arbitrary hash functions.
- Add caam support for ctr(aes), gcm(aes) and their derivatives.
- nx now supports concurrent hashing properly.
- Add sahara support for SHA1/256.
- Add ARM64 version of CRC32.
- Misc fixes.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (77 commits)
crypto: tcrypt - Allow speed testing of arbitrary hash functions
crypto: af_alg - add user space interface for AEAD
crypto: qat - fix problem with coalescing enable logic
crypto: sahara - add support for SHA1/256
crypto: sahara - replace tasklets with kthread
crypto: sahara - add support for i.MX53
crypto: sahara - fix spinlock initialization
crypto: arm - replace memset by memzero_explicit
crypto: powerpc - replace memset by memzero_explicit
crypto: sha - replace memset by memzero_explicit
crypto: sparc - replace memset by memzero_explicit
crypto: algif_skcipher - initialize upon init request
crypto: algif_skcipher - removed unneeded code
crypto: algif_skcipher - Fixed blocking recvmsg
crypto: drbg - use memzero_explicit() for clearing sensitive data
crypto: drbg - use MODULE_ALIAS_CRYPTO
crypto: include crypto- module prefix in template
crypto: user - add MODULE_ALIAS
crypto: sha-mb - remove a bogus NULL check
crytpo: qat - Fix 64 bytes requests
...
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This patch allows the testing of arbitrary hash functions specified
by the alg module parameter by using them in mode 300 (for sync hash)
and mode 400 (for async hash).
For example, you could do
modprobe tcrypt mode=300 alg='vmac(aes)'
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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AEAD requires the caller to specify the following information separate
from the data stream. This information allows the AEAD interface handler
to identify the AAD, ciphertext/plaintext and the authentication tag:
* Associated authentication data of arbitrary length and
length
* Length of authentication tag for encryption
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When using the algif_skcipher, the following call sequence causess a
re-initialization:
1. sendmsg with ALG_SET_OP and iov == NULL, iovlen == 0 (i.e
initializing the cipher, but not sending data)
2. sendmsg with msg->msg-controllen == 0 and iov != NULL (using the initalized
cipher handle by sending data)
In step 2, the cipher operation type (encryption or decryption) is reset
to always decryption, because the local variable of enc is put into
ctx->enc as ctx->user is still zero.
The same applies when all send data is processed and ctx->used falls to
zero followed by user space to send new data.
This patch changes the behavior to only reset the cipher operation type
(and the IV) if such configuration request is received.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Remover unneeded code.
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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As most (all?) users of algif_skcipher are single-threaded and
therefore always write before reading from an algif_skcipher
socket, they never block and exercise that code-path.
It turns out that code path doesn't even work because we never
reload ctx->used after waking up so we never even see the new
data and immediately return an error (and a loud WARN_ON).
This patch fixes this by always reloading ctx->used.
Reported-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Stephan Mueller <smueller@chronox.de>
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Compiler dead store optimization can sometimes remove final calls
to memset() used to clear sensitive data at the end of a function.
Replace trailing memset() calls with memzero_explicit() to
preclude unwanted removal.
Signed-off-by: Nickolaus Woodruff <nickolauswoodruff@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the crypto- prefix for the DRBG implementations.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This adds the module loading prefix "crypto-" to the template lookup
as well.
For example, attempting to load 'vfat(blowfish)' via AF_ALG now correctly
includes the "crypto-" prefix at every level, correctly rejecting "vfat":
net-pf-38
algif-hash
crypto-vfat(blowfish)
crypto-vfat(blowfish)-all
crypto-vfat
Reported-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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To allow automatic loading of the crypto_user kernel module, the netlink
MODULE_ALIAS is added.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit a7468e6b54f4 ("crypto: algif - zeroize IV buffer") and
8bd21048c803 ("crypto: algif - zeroize message digest buffer")
added memzero_explicit() calls on buffers that are later on
passed back to sock_kfree_s().
This is a discussed follow-up that, instead, extends the sock
API and adds sock_kzfree_s(), which internally uses kzfree()
instead of kfree() for passing the buffers back to slab.
Having sock_kzfree_s() allows to keep the changes more minimal
by just having a drop-in replacement instead of adding
memzero_explicit() calls everywhere before sock_kfree_s().
In kzfree(), the compiler is not allowed to optimize the memset()
away and thus there's no need for memzero_explicit(). Both,
sock_kfree_s() and sock_kzfree_s() are wrappers for
__sock_kfree_s() and call into kfree() resp. kzfree(); here,
__sock_kfree_s() needs to be explicitly inlined as we want the
compiler to optimize the call and condition away and thus it
produces e.g. on x86_64 the _same_ assembler output for
sock_kfree_s() before and after, and thus also allows for
avoiding code duplication.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This prefixes all crypto module loading with "crypto-" so we never run
the risk of exposing module auto-loading to userspace via a crypto API,
as demonstrated by Mathias Krause:
https://lkml.org/lkml/2013/3/4/70
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Currently all get requests with an empty driver name fail with
EINVAL. Since most users actually want to supply an empty driver
name this patch removes this check.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zeroize the buffer holding the IV used for the completed
cipher operation before the buffer is released by the
skcipher AF_ALG interface handler.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zeroize the buffer holding the message digest calculated for the
consumer before the buffer is released by the hash AF_ALG interface
handler.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merging 3.18-rc4 in order to pick up the memzero_explicit helper.
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The kernel module drbg.ko is currently not loaded automatically when a
DRBG is requested by a consumer. This is due to missing MODULE_ALIAS
flags for each of the implemented DRBG types.
This patch adds aliases for each of the 22 defined DRBGs.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The DRBG internal buffer addition function is replaced with crypto_inc when
a buffer is to be incremented by one.
The function drbg_add_buf is moved to the CONFIG_CRYPTO_DRBG_HASH ifdef
area as it is now only needed for the Hash DRBG.
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch remove unncessary KERN_INFO from pr_info within testmgr.c
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull networking updates from David Miller:
1) New offloading infrastructure and example 'rocker' driver for
offloading of switching and routing to hardware.
This work was done by a large group of dedicated individuals, not
limited to: Scott Feldman, Jiri Pirko, Thomas Graf, John Fastabend,
Jamal Hadi Salim, Andy Gospodarek, Florian Fainelli, Roopa Prabhu
2) Start making the networking operate on IOV iterators instead of
modifying iov objects in-situ during transfers. Thanks to Al Viro
and Herbert Xu.
3) A set of new netlink interfaces for the TIPC stack, from Richard
Alpe.
4) Remove unnecessary looping during ipv6 routing lookups, from Martin
KaFai Lau.
5) Add PAUSE frame generation support to gianfar driver, from Matei
Pavaluca.
6) Allow for larger reordering levels in TCP, which are easily
achievable in the real world right now, from Eric Dumazet.
7) Add a variable of napi_schedule that doesn't need to disable cpu
interrupts, from Eric Dumazet.
8) Use a doubly linked list to optimize neigh_parms_release(), from
Nicolas Dichtel.
9) Various enhancements to the kernel BPF verifier, and allow eBPF
programs to actually be attached to sockets. From Alexei
Starovoitov.
10) Support TSO/LSO in sunvnet driver, from David L Stevens.
11) Allow controlling ECN usage via routing metrics, from Florian
Westphal.
12) Remote checksum offload, from Tom Herbert.
13) Add split-header receive, BQL, and xmit_more support to amd-xgbe
driver, from Thomas Lendacky.
14) Add MPLS support to openvswitch, from Simon Horman.
15) Support wildcard tunnel endpoints in ipv6 tunnels, from Steffen
Klassert.
16) Do gro flushes on a per-device basis using a timer, from Eric
Dumazet. This tries to resolve the conflicting goals between the
desired handling of bulk vs. RPC-like traffic.
17) Allow userspace to ask for the CPU upon what a packet was
received/steered, via SO_INCOMING_CPU. From Eric Dumazet.
18) Limit GSO packets to half the current congestion window, from Eric
Dumazet.
19) Add a generic helper so that all drivers set their RSS keys in a
consistent way, from Eric Dumazet.
20) Add xmit_more support to enic driver, from Govindarajulu
Varadarajan.
21) Add VLAN packet scheduler action, from Jiri Pirko.
22) Support configurable RSS hash functions via ethtool, from Eyal
Perry.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1820 commits)
Fix race condition between vxlan_sock_add and vxlan_sock_release
net/macb: fix compilation warning for print_hex_dump() called with skb->mac_header
net/mlx4: Add support for A0 steering
net/mlx4: Refactor QUERY_PORT
net/mlx4_core: Add explicit error message when rule doesn't meet configuration
net/mlx4: Add A0 hybrid steering
net/mlx4: Add mlx4_bitmap zone allocator
net/mlx4: Add a check if there are too many reserved QPs
net/mlx4: Change QP allocation scheme
net/mlx4_core: Use tasklet for user-space CQ completion events
net/mlx4_core: Mask out host side virtualization features for guests
net/mlx4_en: Set csum level for encapsulated packets
be2net: Export tunnel offloads only when a VxLAN tunnel is created
gianfar: Fix dma check map error when DMA_API_DEBUG is enabled
cxgb4/csiostor: Don't use MASTER_MUST for fw_hello call
net: fec: only enable mdio interrupt before phy device link up
net: fec: clear all interrupt events to support i.MX6SX
net: fec: reset fep link status in suspend function
net: sock: fix access via invalid file descriptor
net: introduce helper macro for_each_cmsghdr
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Introduce helper macro for_each_cmsghdr as a wrapper of the enumerating
cmsghdr from msghdr, just cleanup.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Note that the code _using_ ->msg_iter at that point will be very
unhappy with anything other than unshifted iovec-backed iov_iter.
We still need to convert users to proper primitives.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Two new dvb frontend drivers: mn88472 and mn88473
- A new driver for some PCIe DVBSky cards
- A new remote controller driver: meson-ir
- One LIRC staging driver got rewritten and promoted to mainstream:
igorplugusb
- A new tuner driver (m88rs6000t)
- The old omap2 media driver got removed from staging. This driver
uses an old DMA API and it is likely broken on recent kernels.
Nobody cared enough to fix it
- Media bus format moved to a separate header, as DRM will also use the
definitions there
- mem2mem_testdev were renamed to vim2m, in order to use the same
naming convention taken by the other virtual test driver (vivid)
- Added a new driver for coda SoC (coda-jpeg)
- The cx88 driver got converted to use videobuf2 core
- Make DMABUF export buffer to work with DMA Scatter/Gather and Vmalloc
cores
- Lots of other fixes, improvements and cleanups on the drivers.
* tag 'media/v3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (384 commits)
[media] mn88473: One function call less in mn88473_init() after error
[media] mn88473: Remove uneeded check before release_firmware()
[media] lirc_zilog: Deletion of unnecessary checks before vfree()
[media] MAINTAINERS: Add myself as img-ir maintainer
[media] img-ir: Don't set driver's module owner
[media] img-ir: Depend on METAG or MIPS or COMPILE_TEST
[media] img-ir/hw: Drop [un]register_decoder declarations
[media] img-ir/hw: Fix potential deadlock stopping timer
[media] img-ir/hw: Always read data to clear buffer
[media] redrat3: ensure dma is setup properly
[media] ddbridge: remove unneeded check before dvb_unregister_device()
[media] si2157: One function call less in si2157_init() after error
[media] tuners: remove uneeded checks before release_firmware()
[media] arm: omap2: rx51-peripherals: fix build warning
[media] stv090x: add an extra protetion against buffer overflow
[media] stv090x: Remove an unreachable code
[media] stv090x: Some whitespace cleanups
[media] em28xx: checkpatch cleanup: whitespaces/new lines cleanups
[media] si2168: add support for firmware files in new format
[media] si2168: debug printout for firmware version
...
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Merge back media fixes applied upstream.
* linus/master: (457 commits)
Linux 3.18-rc2
ARM: dts: imx28-evk: Let i2c0 run at 100kHz
ARM: i.MX6: Fix "emi" clock name typo
overlayfs: embed middle into overlay_readdir_data
overlayfs: embed root into overlay_readdir_data
overlayfs: make ovl_cache_entry->name an array instead of pointer
overlayfs: don't hold ->i_mutex over opening the real directory
arm64: Fix memblock current_limit with 64K pages and 48-bit VA
sparc64: Implement __get_user_pages_fast().
sparc64: Fix register corruption in top-most kernel stack frame during boot.
arm64: ASLR: Don't randomise text when randomise_va_space == 0
[media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr
[media] s5p-fimc: Only build suspend/resume for PM
[media] s5p-jpeg: Only build suspend/resume for PM
[media] Remove references to non-existent PLAT_S5P symbol
MIPS: SEAD3: Fix I2C device registration.
[media] videobuf-dma-contig: set vm_pgoff to be zero to pass the sanity check in vm_iomap_memory()
[media] tw68: remove bogus I2C_ALGOBIT dependency
kvm: vfio: fix unregister kvm_device_ops of vfio
KVM: x86: Wrong assertion on paging_tmpl.h
...
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Linux 3.18-rc1
* tag 'v3.18-rc1': (9526 commits)
Linux 3.18-rc1
MAINTAINERS: corrected bcm2835 search
Net: DSA: Fix checking for get_phy_flags function
sparc64: Do not define thread fpregs save area as zero-length array.
sparc64: Fix corrupted thread fault code.
MAINTAINERS: Become the docs maintainer
x86,kvm,vmx: Preserve CR4 across VM entry
ipv6: fix a potential use after free in sit.c
ipv6: fix a potential use after free in ip6_offload.c
ipv4: fix a potential use after free in gre_offload.c
tcp: fix build error if IPv6 is not enabled
futex: Ensure get_futex_key_refs() always implies a barrier
bna: fix skb->truesize underestimation
net: dsa: add includes for ethtool and phy_fixed definitions
openvswitch: Set flow-key members.
netrom: use linux/uaccess.h
dsa: Fix conversion from host device to mii bus
tipc: fix bug in bundled buffer reception
ipv6: introduce tcp_v6_iif()
sfc: add support for skb->xmit_more
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This branch contains a couple of changes that will conflict with the
Tegra SMMU driver rewrite. Since the driver is largely rewritten the
conflict resolution is non-trivial.
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A series of driver fixes:
- a few compilation fixes with randconfigs
- one potential compilation breakage on userspace due to the usage of
a gcc extension
- several warnings fixed
- some other random driver fixes"
* tag 'media/v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (22 commits)
[media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr
[media] s5p-fimc: Only build suspend/resume for PM
[media] s5p-jpeg: Only build suspend/resume for PM
[media] Remove references to non-existent PLAT_S5P symbol
[media] videobuf-dma-contig: set vm_pgoff to be zero to pass the sanity check in vm_iomap_memory()
[media] tw68: remove bogus I2C_ALGOBIT dependency
[media] usbvision-video: two use after frees
[media] tw68: remove deprecated IRQF_DISABLED
[media] xc5000: use after free in release()
[media] em28xx-input: NULL dereference on error
[media] wl128x: fix fmdbg compiler warning
Revert "[media] v4l2-dv-timings: fix a sparse warning"
[media] hackrf: harmless off by one in debug code
[media] cx23885: initialize config structs for T9580
[media] v4l: uvcvideo: Fix buffer completion size check
[media] vivid: fix buffer overrun
[media] saa7146: Create a device name before it's used
[media] em28xx: fix uninitialized variable warning
[media] vivid: fix Kconfig FB dependency
[media] anysee: make sure loading modules is const
...
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Linux 3.18-rc1
* tag 'v3.18-rc1': (9167 commits)
Linux 3.18-rc1
MAINTAINERS: corrected bcm2835 search
Net: DSA: Fix checking for get_phy_flags function
sparc64: Do not define thread fpregs save area as zero-length array.
sparc64: Fix corrupted thread fault code.
MAINTAINERS: Become the docs maintainer
x86,kvm,vmx: Preserve CR4 across VM entry
ipv6: fix a potential use after free in sit.c
ipv6: fix a potential use after free in ip6_offload.c
ipv4: fix a potential use after free in gre_offload.c
tcp: fix build error if IPv6 is not enabled
futex: Ensure get_futex_key_refs() always implies a barrier
bna: fix skb->truesize underestimation
net: dsa: add includes for ethtool and phy_fixed definitions
openvswitch: Set flow-key members.
netrom: use linux/uaccess.h
dsa: Fix conversion from host device to mii bus
tipc: fix bug in bundled buffer reception
ipv6: introduce tcp_v6_iif()
sfc: add support for skb->xmit_more
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull /dev/random updates from Ted Ts'o:
"This adds a memzero_explicit() call which is guaranteed not to be
optimized away by GCC. This is important when we are wiping
cryptographically sensitive material"
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
crypto: memzero_explicit - make sure to clear out sensitive data
random: add and use memzero_explicit() for clearing data
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Recently, in commit 13aa93c70e71 ("random: add and use memzero_explicit()
for clearing data"), we have found that GCC may optimize some memset()
cases away when it detects a stack variable is not being used anymore
and going out of scope. This can happen, for example, in cases when we
are clearing out sensitive information such as keying material or any
e.g. intermediate results from crypto computations, etc.
With the help of Coccinelle, we can figure out and fix such occurences
in the crypto subsytem as well. Julia Lawall provided the following
Coccinelle program:
@@
type T;
identifier x;
@@
T x;
... when exists
when any
-memset
+memzero_explicit
(&x,
-0,
...)
... when != x
when strict
@@
type T;
identifier x;
@@
T x[...];
... when exists
when any
-memset
+memzero_explicit
(x,
-0,
...)
... when != x
when strict
Therefore, make use of the drop-in replacement memzero_explicit() for
exactly such cases instead of using memset().
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: pageexec@freemail.hu
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Replaced the use of a Variable Length Array In Struct (VLAIS) with a C99
compliant equivalent. This patch allocates the appropriate amount of memory
using a char array using the SHASH_DESC_ON_STACK macro.
The new code can be compiled with both gcc and clang.
Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: pageexec@freemail.hu
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris.
Mostly ima, selinux, smack and key handling updates.
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (65 commits)
integrity: do zero padding of the key id
KEYS: output last portion of fingerprint in /proc/keys
KEYS: strip 'id:' from ca_keyid
KEYS: use swapped SKID for performing partial matching
KEYS: Restore partial ID matching functionality for asymmetric keys
X.509: If available, use the raw subjKeyId to form the key description
KEYS: handle error code encoded in pointer
selinux: normalize audit log formatting
selinux: cleanup error reporting in selinux_nlmsg_perm()
KEYS: Check hex2bin()'s return when generating an asymmetric key ID
ima: detect violations for mmaped files
ima: fix race condition on ima_rdwr_violation_check and process_measurement
ima: added ima_policy_flag variable
ima: return an error code from ima_add_boot_aggregate()
ima: provide 'ima_appraise=log' kernel option
ima: move keyring initialization to ima_init()
PKCS#7: Handle PKCS#7 messages that contain no X.509 certs
PKCS#7: Better handling of unsupported crypto
KEYS: Overhaul key identification when searching for asymmetric keys
KEYS: Implement binary asymmetric key ID handling
...
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Previous version of KEYS used to output last 4 bytes of fingerprint.
Now it outputs 8 last bytes of raw subject, which does not make any
visual meaning at all. This patch restores old behavior.
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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The 'id:' prefix must be stripped for asymmetric_key_hex_to_key_id() to be
able to process ca_keyid.
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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Earlier KEYS code used pure subject key identifiers (fingerprint)
for searching keys. Latest merged code removed that and broke
compatibility with integrity subsytem signatures and original
format of module signatures.
This patch returns back partial matching on SKID.
Reported-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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Bring back the functionality whereby an asymmetric key can be matched with a
partial match on one of its IDs.
Whilst we're at it, allow for the possibility of having an increased number of
IDs.
Reported-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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Module signing matches keys by comparing against the key description exactly.
However, the way the key description gets constructed got changed to be
composed of the subject name plus the certificate serial number instead of the
subject name and the subjectKeyId. I changed this to avoid problems with
certificates that don't *have* a subjectKeyId.
Instead, if available, use the raw subjectKeyId to form the key description
and only use the serial number if the subjectKeyId doesn't exist.
Reported-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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If hexlen is odd then function returns an error.
Use IS_ERR to check for error, otherwise invalid pointer
is used and kernel gives oops:
[ 132.816522] BUG: unable to handle kernel paging request at
ffffffffffffffea
[ 132.819902] IP: [<ffffffff812bfc20>] asymmetric_key_id_same+0x14/0x36
[ 132.820302] PGD 1a12067 PUD 1a14067 PMD 0
[ 132.820302] Oops: 0000 [#1] SMP
[ 132.820302] Modules linked in: bridge(E) stp(E) llc(E) evdev(E)
serio_raw(E) i2c_piix4(E) button(E) fuse(E)
[ 132.820302] CPU: 0 PID: 2993 Comm: cat Tainted: G E
3.16.0-kds+ #2847
[ 132.820302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 132.820302] task: ffff88004249a430 ti: ffff880056640000 task.ti:
ffff880056640000
[ 132.820302] RIP: 0010:[<ffffffff812bfc20>] [<ffffffff812bfc20>]
asymmetric_key_id_same+0x14/0x36
[ 132.820302] RSP: 0018:ffff880056643930 EFLAGS: 00010246
[ 132.820302] RAX: 0000000000000000 RBX: ffffffffffffffea RCX:
ffff880056643ae0
[ 132.820302] RDX: 000000000000005e RSI: ffffffffffffffea RDI:
ffff88005bac9300
[ 132.820302] RBP: ffff880056643948 R08: 0000000000000003 R09:
00000007504aa01a
[ 132.820302] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88005d68ca40
[ 132.820302] R13: 0000000000000101 R14: 0000000000000000 R15:
ffff88005bac5280
[ 132.820302] FS: 00007f67a153c740(0000) GS:ffff88005da00000(0000)
knlGS:0000000000000000
[ 132.820302] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 132.820302] CR2: ffffffffffffffea CR3: 000000002e663000 CR4:
00000000000006f0
[ 132.820302] Stack:
[ 132.820302] ffffffff812bfc66 ffff880056643ae0 ffff88005bac5280
ffff880056643958
[ 132.820302] ffffffff812bfc9d ffff880056643980 ffffffff812971d9
ffff88005ce930c1
[ 132.820302] ffff88005ce930c0 0000000000000000 ffff8800566439c8
ffffffff812fb753
[ 132.820302] Call Trace:
[ 132.820302] [<ffffffff812bfc66>] ? asymmetric_match_key_ids+0x24/0x42
[ 132.820302] [<ffffffff812bfc9d>] asymmetric_key_cmp+0x19/0x1b
[ 132.820302] [<ffffffff812971d9>] keyring_search_iterator+0x74/0xd7
[ 132.820302] [<ffffffff812fb753>] assoc_array_subtree_iterate+0x67/0xd2
[ 132.820302] [<ffffffff81297165>] ? key_default_cmp+0x20/0x20
[ 132.820302] [<ffffffff812fbaa1>] assoc_array_iterate+0x19/0x1e
[ 132.820302] [<ffffffff81297332>] search_nested_keyrings+0xf6/0x2b6
[ 132.820302] [<ffffffff810728da>] ? sched_clock_cpu+0x91/0xa2
[ 132.820302] [<ffffffff810860d2>] ? mark_held_locks+0x58/0x6e
[ 132.820302] [<ffffffff810a137d>] ? current_kernel_time+0x77/0xb8
[ 132.820302] [<ffffffff81297871>] keyring_search_aux+0xe1/0x14c
[ 132.820302] [<ffffffff812977fc>] ? keyring_search_aux+0x6c/0x14c
[ 132.820302] [<ffffffff8129796b>] keyring_search+0x8f/0xb6
[ 132.820302] [<ffffffff812bfc84>] ? asymmetric_match_key_ids+0x42/0x42
[ 132.820302] [<ffffffff81297165>] ? key_default_cmp+0x20/0x20
[ 132.820302] [<ffffffff812ab9e3>] asymmetric_verify+0xa4/0x214
[ 132.820302] [<ffffffff812ab90e>] integrity_digsig_verify+0xb1/0xe2
[ 132.820302] [<ffffffff812abe41>] ? evm_verifyxattr+0x6a/0x7a
[ 132.820302] [<ffffffff812b0390>] ima_appraise_measurement+0x160/0x370
[ 132.820302] [<ffffffff81161db2>] ? d_absolute_path+0x5b/0x7a
[ 132.820302] [<ffffffff812ada30>] process_measurement+0x322/0x404
Reported-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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