This enables TPM Command Response Buffer interface driver for
ARM64 and implements an ARM specific TPM CRB start method that
invokes a Secure Monitor Call (SMC) to request the TrustZone
Firmware to execute or cancel a TPM 2.0 command.
In ARM, TrustZone security extensions enable a secure software
environment with Secure Monitor mode. A Secure Monitor Call
(SMC) is used to enter the Secure Monitor mode and perform a
Secure Monitor service to communicate with TrustZone firmware
which has control over the TPM hardware.
Signed-off-by: Jiandi An <anjiandi@codeaurora.org>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> (on x86/PTT)
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
TCG ACPI Specification Family "1.2" and "2.0" Version 1.2
Revision 8 introduces new start method for ARM SMC.
- Add new start method (type 11) for ARM SMC
- Add start method specific parameters offset for ARM SMC start method
Signed-off-by: Jiandi An <anjiandi@codeaurora.org>
Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> (on x86/PTT)
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This commit adds support for requesting and relinquishing locality 0 in
tpm_crb for the course of command transmission.
In order to achieve this, two new callbacks are added to struct
tpm_class_ops:
- request_locality
- relinquish_locality
With CRB interface you first set either requestAccess or relinquish bit
from TPM_LOC_CTRL_x register and then wait for locAssigned and
tpmRegValidSts bits to be set in the TPM_LOC_STATE_x register.
The reason why were are doing this is to make sure that the driver
will work properly with Intel TXT that uses locality 2. There's no
explicit guarantee that it would relinquish this locality. In more
general sense this commit enables tpm_crb to be a well behaving
citizen in a multi locality environment.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Since check_locality is checking to see if a certain
locality is active, return true if active otherwise
return false.
Cc: Christophe Ricard <christophe.ricard@gmail.com>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Marcel Selhorst <tpmdd@selhorst.net>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
When PM_SLEEP is disabled crb_pm_suspend and crb_pm_resume are not used by
SET_SYSTEM_SLEEP_PM_OPS even if PM is enabled:
drvers/char/tpm/tpm_crb.c:540:12: warning: ‘crb_pm_suspend’ defined but not
used [-Wunused-function]
static int crb_pm_suspend(struct device *dev)
^
drivers/char/tpm/tpm_crb.c:551:12: warning: ‘crb_pm_resume’ defined but not
used [-Wunused-function]
static int crb_pm_resume(struct device *dev)
^
The preprocessor condition should be on CONFIG_PM_SLEEP, not on CONFIG_PM.
However, this patch fixes this warning by using __maybe_unused on function
that are in the preprocessor condition.
Fixes: 848efcfb560c ("tpm/tpm_crb: enter the low power state upon device suspend")
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Currently, there is an unnecessary 1 msec delay added in
i2c_nuvoton_write_status() for the successful case. This
function is called multiple times during send() and recv(),
which implies adding multiple extra delays for every TPM
operation.
This patch calls usleep_range() only if retry is to be done.
Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org (linux-4.8)
Reviewed-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
In order to make GPIO ACPI library stricter prepare users of
gpiod_get_index() to correctly behave when there no mapping is
provided by firmware.
Here we add explicit mapping between _CRS GpioIo() resources and
their names used in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
The current code passes the address of tpm_chip as the argument to
dev_get_drvdata() without prior NULL check in
tpm_ibmvtpm_get_desired_dma. This resulted an oops during kernel
boot when vTPM is enabled in Power partition configured in active
memory sharing mode.
The vio_driver's get_desired_dma() is called before the probe(), which
for vtpm is tpm_ibmvtpm_probe, and it's this latter function that
initializes the driver and set data. Attempting to get data before
the probe() caused the problem.
This patch adds a NULL check to the tpm_ibmvtpm_get_desired_dma.
fixes: 9e0d39d8a6 ("tpm: Remove useless priv field in struct tpm_vendor_specific")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkine <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Make sure size of response buffer is at least 6 bytes, or
we will underflow and pass large size_t to memcpy_fromio().
This was encountered while testing earlier version of
locality patchset.
Cc: stable@vger.kernel.org
Fixes: 30fc8d138e ("tpm: TPM 2.0 CRB Interface")
Signed-off-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Sessions are different from transient objects in that their handles
may not be virtualized (because they're used for some hmac
calculations). Additionally when a session is context saved, a
vestigial memory remains in the TPM and if it is also flushed, that
will be lost and the session context will refuse to load next time, so
the code is updated to flush only transient objects after a context
save. Add a separate array (chip->session_tbl) to save and restore
sessions by handle. Use the failure of a context save or load to
signal that the session has been flushed from the TPM and we can
remove its memory from chip->session_tbl.
Sessions are also isolated during each instance of a tpm space. This
means that spaces shouldn't be able to see each other's sessions and
is enforced by ensuring that a space user may only refer to sessions
handles that are present in their own chip->session_tbl. Finally when
a space is closed, all the sessions belonging to it should be flushed
so the handles may be re-used by other spaces.
Note that if we get a session save or load error, all sessions are
effectively flushed. Even though we restore the session buffer, all
the old sessions will refuse to load after the flush and they'll be
purged from our session memory. This means that while transient
context handling is still soft in the face of errors, session handling
is hard (any failure of the model means all sessions are lost).
Fixes-from: Colin Ian King <colin.king@canonical.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Currently the tpm spaces are not exposed to userspace. Make this
exposure via a separate device, which can now be opened multiple times
because each read/write transaction goes separately via the space.
Concurrency is protected by the chip->tpm_mutex for each read/write
transaction separately. The TPM is cleared of all transient objects
by the time the mutex is dropped, so there should be no interference
between the kernel and userspace.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Added an ability to virtualize TPM commands into an isolated context
that we call a TPM space because the word context is already heavily
used in the TPM specification. Both the handle areas and bodies (where
necessary) are virtualized.
The mechanism works by adding a new parameter struct tpm_space to the
tpm_transmit() function. This new structure contains the list of virtual
handles and a buffer of page size (currently) for backing storage.
When tpm_transmit() is called with a struct tpm_space instance it will
execute the following sequence:
1. Take locks.
2. Load transient objects from the backing storage by using ContextLoad
and map virtual handles to physical handles.
3. Perform the transaction.
4. Save transient objects to backing storage by using ContextSave and
map resulting physical handle to virtual handle if there is such.
This commit does not implement virtualization support for hmac and
policy sessions.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Check for every TPM 2.0 command that the command code is supported and
the command buffer has at least the length that can contain the header
and the handle area.
For ContextSave and FlushContext we mark the body to be part of the
handle area. This gives validation for these commands at zero
cost, including the body of the command.
The more important reason for this is that we can virtualize these
commands in the same way as you would virtualize the handle area of a
command.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Check that the length matches the length reported by the response
header already in tpm_transmit() to improve validation.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Encapsulated crb_wait_for_reg32() so that state changes in other CRB
registers than TPM_CRB_CTRL_REQ_x can be waited.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Gang Wei <gang.wei@intel.com>
In order to provide access to locality registers, this commits adds
mapping of the head of the CRB registers, which are located right
before the control area.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Gang Wei <gang.wei@intel.com>
Testing the implementation with a Raspberry Pi 2 showed that under some
circumstances its SPI master erroneously releases the CS line before the
transfer is complete, i.e. before the end of the last clock. In this case
the TPM ignores the transfer and misses for example the GO command. The
driver is unable to detect this communication problem and will wait for a
command response that is never going to arrive, timing out eventually.
As a workaround, the small delay ensures that the CS line is held long
enough, even with a faulty SPI master. Other SPI masters are not affected,
except for a negligible performance penalty.
Cc: <stable@vger.kernel.org>
Fixes: 0edbfea537 ("tpm/tpm_tis_spi: Add support for spi phy")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Benoit Houyere <benoit.houyere@st.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Limiting transfers to MAX_SPI_FRAMESIZE was not expected by the upper
layers, as tpm_tis has no such limitation. Add a loop to hide that
limitation.
v2: Moved scope of spi_message to the top as requested by Jarkko
Cc: <stable@vger.kernel.org>
Fixes: 0edbfea537 ("tpm/tpm_tis_spi: Add support for spi phy")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Benoit Houyere <benoit.houyere@st.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Wait states are signaled in the last byte received from the TPM in
response to the header, not the first byte. Check rx_buf[3] instead of
rx_buf[0].
Cc: <stable@vger.kernel.org>
Fixes: 0edbfea537 ("tpm/tpm_tis_spi: Add support for spi phy")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Benoit Houyere <benoit.houyere@st.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Abort the transfer with ETIMEDOUT when the TPM signals more than
TPM_RETRY wait states. Continuing with the transfer in this state
will only lead to arbitrary failures in other parts of the code.
Cc: <stable@vger.kernel.org>
Fixes: 0edbfea537 ("tpm/tpm_tis_spi: Add support for spi phy")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Benoit Houyere <benoit.houyere@st.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
The algorithm for sending data to the TPM is mostly identical to the
algorithm for receiving data from the TPM, so a single function is
sufficient to handle both cases.
This is a prequisite for all the other fixes, so we don't have to fix
everything twice (send/receive)
v2: u16 instead of u8 for the length.
Cc: <stable@vger.kernel.org>
Fixes: 0edbfea537 ("tpm/tpm_tis_spi: Add support for spi phy")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Benoit Houyere <benoit.houyere@st.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
This fix enables a platform to enter the idle state (suspend-to-idle)
The driver needs to request explicitly go_idle upon completion
from the pm suspend handler.
The runtime pm is disabled on suspend during prepare state by calling
pm_runtime_get_noresume, hence we cannot relay on runtime pm to leave
the device in low power state. Symmetrically cmdReady is called
upon resume.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Siged-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
We get a newly introduced harmless warning when CONFIG_CRYPTO is disabled:
warning: (TCG_TPM && TRUSTED_KEYS && IMA) selects CRYPTO_HASH_INFO which has unmet direct dependencies (CRYPTO)
This adds another select to avoid the warning, consistent with other users
of the crypto code.
Fixes: c1f92b4b04 ("tpm: enhance TPM 2.0 PCR extend to support multiple banks")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Commit 500462a9de "timers: Switch to a non-cascading wheel" replaced
the 'classic' timer wheel, which aimed for near 'exact' expiry of the
timers. Their analysis was that the vast majority of timeout timers
are used as safeguards, not as real timers, and are cancelled or
rearmed before expiration. The only exception noted to this were
networking timers with a small expiry time.
Not included in the analysis was the TPM polling timer, which resulted
in a longer normal delay and, every so often, a very long delay. The
non-cascading wheel delay is based on CONFIG_HZ. For a description of
the different rings and their delays, refer to the comments in
kernel/time/timer.c.
Below are the delays given for rings 0 - 2, which explains the longer
"normal" delays and the very, long delays as seen on systems with
CONFIG_HZ 250.
* HZ 1000 steps
* Level Offset Granularity Range
* 0 0 1 ms 0 ms - 63 ms
* 1 64 8 ms 64 ms - 511 ms
* 2 128 64 ms 512 ms - 4095 ms (512ms - ~4s)
* HZ 250
* Level Offset Granularity Range
* 0 0 4 ms 0 ms - 255 ms
* 1 64 32 ms 256 ms - 2047 ms (256ms - ~2s)
* 2 128 256 ms 2048 ms - 16383 ms (~2s - ~16s)
Below is a comparison of extending the TPM with 1000 measurements,
using msleep() vs. usleep_delay() when configured for 1000 hz vs. 250
hz, before and after commit 500462a9de.
linux-4.7 | msleep() usleep_range()
1000 hz: 0m44.628s | 1m34.497s 29.243s
250 hz: 1m28.510s | 4m49.269s 32.386s
linux-4.7 | min-max (msleep) min-max (usleep_range)
1000 hz: 0:017 - 2:760s | 0:015 - 3:967s 0:014 - 0:418s
250 hz: 0:028 - 1:954s | 0:040 - 4:096s 0:016 - 0:816s
This patch replaces the msleep() with usleep_range() calls in the
i2c nuvoton driver with a consistent max range value.
Signed-of-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: stable@vger.kernel.org (linux-4.8)
Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
The expectation is that the if the CRB cmd/rsp buffer falls within the
ACPI region that the entire buffer will be within the reason. Otherwise
resource reservation will fail when it crosses regions.
Work around this BIOS bug by limiting the cmd/rsp buffer to the length
of the declared ACPI region. BIOS vendors should fix this by making
the ACPI and register length declarations consistent.
Reported-by: Davide Guerri <davide.guerri@gmail.com>
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Davide Guerri <davide.guerri@gmail.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
TIS v1.3 for TPM 1.2 and PTP for TPM 2.0 disagree about which timeout
value applies to reading a valid burstcount. It is TIMEOUT_D according to
TIS, but TIMEOUT_A according to PTP, so choose the appropriate value
depending on whether we deal with a TPM 1.2 or a TPM 2.0.
This is important since according to the PTP TIMEOUT_D is much smaller
than TIMEOUT_A. So the previous implementation could run into timeouts
with a TPM 2.0, even though the TPM was behaving perfectly fine.
During tpm2_probe TIMEOUT_D will be used even with a TPM 2.0, because
TPM_CHIP_FLAG_TPM2 is not yet set. This is fine, since the timeout values
will only be changed afterwards by tpm_get_timeouts. Until then
TIS_TIMEOUT_D_MAX applies, which is large enough.
Cc: stable@vger.kernel.org
Fixes: aec04cbdf7 ("tpm: TPM 2.0 FIFO Interface")
Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Signed-off-by: Peter Huewe <peter.huewe@infineon.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <james.l.morris@oracle.com>
We switched from "struct task_struct"->security to "struct cred"->security
in Linux 2.6.29. But not all LSM modules were happy with that change.
TOMOYO LSM module is an example which want to use per "struct task_struct"
security blob, for TOMOYO's security context is defined based on "struct
task_struct" rather than "struct cred". AppArmor LSM module is another
example which want to use it, for AppArmor is currently abusing the cred
a little bit to store the change_hat and setexeccon info. Although
security_task_free() hook was revived in Linux 3.4 because Yama LSM module
wanted to release per "struct task_struct" security blob,
security_task_alloc() hook and "struct task_struct"->security field were
not revived. Nowadays, we are getting proposals of lightweight LSM modules
which want to use per "struct task_struct" security blob.
We are already allowing multiple concurrent LSM modules (up to one fully
armored module which uses "struct cred"->security field or exclusive hooks
like security_xfrm_state_pol_flow_match(), plus unlimited number of
lightweight modules which do not use "struct cred"->security nor exclusive
hooks) as long as they are built into the kernel. But this patch does not
implement variable length "struct task_struct"->security field which will
become needed when multiple LSM modules want to use "struct task_struct"->
security field. Although it won't be difficult to implement variable length
"struct task_struct"->security field, let's think about it after we merged
this patch.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: John Johansen <john.johansen@canonical.com>
Acked-by: Serge Hallyn <serge@hallyn.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Tested-by: Djalal Harouni <tixxdz@gmail.com>
Acked-by: José Bollo <jobol@nonadev.net>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Eric Paris <eparis@parisplace.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: James Morris <james.l.morris@oracle.com>
Cc: José Bollo <jobol@nonadev.net>
Signed-off-by: James Morris <james.l.morris@oracle.com>
A smattering of different small fixes for some random driver subsystems.
Nothing all that major, just resolutions for reported issues and bugs.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"A smattering of different small fixes for some random driver
subsystems. Nothing all that major, just resolutions for reported
issues and bugs.
All have been in linux-next with no reported issues"
* tag 'char-misc-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
extcon: int3496: Set the id pin to direction-input if necessary
extcon: int3496: Use gpiod_get instead of gpiod_get_index
extcon: int3496: Add dependency on X86 as it's Intel specific
extcon: int3496: Add GPIO ACPI mapping table
extcon: int3496: Rename GPIO pins in accordance with binding
vmw_vmci: handle the return value from pci_alloc_irq_vectors correctly
ppdev: fix registering same device name
parport: fix attempt to write duplicate procfiles
auxdisplay: img-ascii-lcd: add missing sentinel entry in img_ascii_lcd_matches
Drivers: hv: vmbus: Don't leak memory when a channel is rescinded
Drivers: hv: vmbus: Don't leak channel ids
Drivers: hv: util: don't forget to init host_ts.lock
Drivers: hv: util: move waiting for release to hv_utils_transport itself
vmbus: remove hv_event_tasklet_disable/enable
vmbus: use rcu for per-cpu channel list
mei: don't wait for os version message reply
mei: fix deadlock on mei reset
intel_th: pci: Add Gemini Lake support
intel_th: pci: Add Denverton SOC support
intel_th: Don't leak module refcount on failure to activate
...
Here is a single kernfs fix for 4.11-rc4 that resolves a reported issue.
It has been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single kernfs fix for 4.11-rc4 that resolves a reported
issue.
It has been in linux-next with no reported issues"
* tag 'driver-core-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
kernfs: Check KERNFS_HAS_RELEASE before calling kernfs_release_file()
Here are some tty and serial driver fixes for 4.11-rc4. One of these
fix a long-standing issue in the ldisc code that was found by Dmitry
Vyukov with his great fuzzing work. The other fixes resolve other
reported issues, and there is one revert of a patch in 4.11-rc1 that
wasn't correct.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some tty and serial driver fixes for 4.11-rc4.
One of these fix a long-standing issue in the ldisc code that was
found by Dmitry Vyukov with his great fuzzing work. The other fixes
resolve other reported issues, and there is one revert of a patch in
4.11-rc1 that wasn't correct.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: fix data race in tty_ldisc_ref_wait()
tty: don't panic on OOM in tty_set_ldisc()
Revert "tty: serial: pl011: add ttyAMA for matching pl011 console"
tty: acpi/spcr: QDF2400 E44 checks for wrong OEM revision
serial: 8250_dw: Fix breakage when HAVE_CLK=n
serial: 8250_dw: Honor clk_round_rate errors in dw8250_set_termios
Here are some small IIO driver fixes for 4.11-rc4 that resolve a number
of tiny reported issues. All of these have been in linux-next for a
while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO driver fixes from Greg KH:
"Here are some small IIO driver fixes for 4.11-rc4 that resolve a
number of tiny reported issues. All of these have been in linux-next
for a while with no reported issues"
* tag 'staging-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: imu: st_lsm6dsx: fix FIFO_CTRL2 overwrite during watermark configuration
iio: adc: ti_am335x_adc: fix fifo overrun recovery
iio: sw-device: Fix config group initialization
iio: magnetometer: ak8974: remove incorrect __exit markups
iio: hid-sensor-trigger: Change get poll value function order to avoid sensor properties losing after resume from S3
Here are a number of small USB and PHY driver fixes for 4.11-rc4.
Nothing major here, just an bunch of small fixes, and a handfull of good
fixes from Johan for devices with crazy descriptors. There are a few
new device ids in here as well.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are a number of small USB and PHY driver fixes for 4.11-rc4.
Nothing major here, just an bunch of small fixes, and a handfull of
good fixes from Johan for devices with crazy descriptors. There are a
few new device ids in here as well.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
usb: gadget: f_hid: fix: Don't access hidg->req without spinlock held
usb: gadget: udc: remove pointer dereference after free
usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed
usb: gadget: f_uvc: Fix SuperSpeed companion descriptor's wBytesPerInterval
usb: gadget: acm: fix endianness in notifications
usb: dwc3: gadget: delay unmap of bounced requests
USB: serial: qcserial: add Dell DW5811e
usb: hub: Fix crash after failure to read BOS descriptor
ACM gadget: fix endianness in notifications
USB: usbtmc: fix probe error path
USB: usbtmc: add missing endpoint sanity check
USB: serial: option: add Quectel UC15, UC20, EC21, and EC25 modems
usb: musb: fix possible spinlock deadlock
usb: musb: dsps: fix iounmap in error and exit paths
usb: musb: cppi41: don't check early-TX-interrupt for Isoch transfer
usb-core: Add LINEAR_FRAME_INTR_BINTERVAL USB quirk
uwb: i1480-dfu: fix NULL-deref at probe
uwb: hwa-rc: fix NULL-deref at probe
USB: wusbcore: fix NULL-deref at probe
USB: uss720: fix NULL-deref at probe
...
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
- powerpc/64s: Fix idle wakeup potential to clobber registers
- Revert "powerpc/64: Disable use of radix under a hypervisor"
- gcc-plugins: update architecture list in documentation
Thanks to:
Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav Jain.
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Merge tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc fixes from Michael Ellerman:
"These are all pretty minor. The fix for idle wakeup would be a bad bug
but has not been observed in practice.
The update to the gcc-plugins docs was Cc'ed to Kees and Jon, Kees
OK'ed it going via powerpc and I didn't hear from Jon.
- cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
- powerpc/64s: Fix idle wakeup potential to clobber registers
- Revert "powerpc/64: Disable use of radix under a hypervisor"
- gcc-plugins: update architecture list in documentation
Thanks to: Andrew Donnellan, Nicholas Piggin, Paul Mackerras, Vaibhav
Jain"
* tag 'powerpc-4.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
gcc-plugins: update architecture list in documentation
Revert "powerpc/64: Disable use of radix under a hypervisor"
powerpc/64s: Fix idle wakeup potential to clobber registers
cxl: Route eeh events to all slices for pci_channel_io_perm_failure state
inodes relating to the inline_data and metadata checksum features.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix a memory leak on an error path, and two races when modifying
inodes relating to the inline_data and metadata checksum features"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix two spelling nits
ext4: lock the xattr block before checksuming it
jbd2: don't leak memory if setting up journal fails
ext4: mark inode dirty after converting inline directory
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Merge tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt
Pull fscrypto fixes from Ted Ts'o:
"A code cleanup and bugfix for fs/crypto"
* tag 'fscrypt-for-linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: eliminate ->prepare_context() operation
fscrypt: remove broken support for detecting keyring key revocation
Bug fixes in asus_atk0110, it87 and max31790 drivers.
Added missing API definition to hwmon core.
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Merge tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- bug fixes in asus_atk0110, it87 and max31790 drivers
- added missing API definition to hwmon core
* tag 'hwmon-for-linus-v4.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (asus_atk0110) fix uninitialized data access
hwmon: Add missing HWMON_T_ALARM
hwmon: (it87) Avoid registering the same chip on both SIO addresses
hwmon: (max31790) Set correct PWM value
- Fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- A few other oops fixes
- The rest are all minor fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"This has been a slow -rc cycle for the RDMA subsystem. We really
haven't had a lot of rc fixes come in. This pull request is the first
of this entire rc cycle and it has all of the suitable fixes so far
and it's still only about 20 patches. The fix for the minor breakage
cause by the dma mapping patchset is in here, as well as a couple
other potential oops fixes, but the rest is more minor.
Summary:
- fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- a few other oops fixes
- the rest are all minor fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/qib: fix false-postive maybe-uninitialized warning
RDMA/iser: Fix possible mr leak on device removal event
IB/device: Convert ib-comp-wq to be CPU-bound
IB/cq: Don't process more than the given budget
IB/rxe: increment msn only when completing a request
uapi: fix rdma/mlx5-abi.h userspace compilation errors
IB/core: Restore I/O MMU, s390 and powerpc support
IB/rxe: Update documentation link
RDMA/ocrdma: fix a type issue in ocrdma_put_pd_num()
IB/rxe: double free on error
RDMA/vmw_pvrdma: Activate device on ethernet link up
RDMA/vmw_pvrdma: Dont hardcode QP header page
RDMA/vmw_pvrdma: Cleanup unused variables
infiniband: Fix alignment of mmap cookies to support VIPT caching
IB/core: Protect against self-requeue of a cq work item
i40iw: Receive netdev events post INET_NOTIFIER state
Pull audit fix from Paul Moore:
"We've got an audit fix, and unfortunately it is big.
While I'm not excited that we need to be sending you something this
large during the -rcX phase, it does fix some very real, and very
tangled, problems relating to locking, backlog queues, and the audit
daemon connection.
This code has passed our testsuite without problem and it has held up
to my ad-hoc stress tests (arguably better than the existing code),
please consider pulling this as fix for the next v4.11-rcX tag"
* 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit:
audit: fix auditd/kernel connection state tracking
We must lock the xattr block before calculating or verifying the
checksum in order to avoid spurious checksum failures.
https://bugzilla.kernel.org/show_bug.cgi?id=193661
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
one where we need to copy a string because we can't guarantee it isn't
freed sometime later.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of Sunxi and Rockchip clk driver fixes and a core framework
one where we need to copy a string because we can't guarantee it isn't
freed sometime later"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sunxi-ng: fix recalc_rate formula of NKMP clocks
clk: sunxi-ng: Fix div/mult settings for osc12M on A64
clk: rockchip: Make uartpll a child of the gpll on rk3036
clk: rockchip: add "," to mux_pll_src_apll_dpll_gpll_usb480m_p on rk3036
clk: core: Copy connection id
dt-bindings: arm: update Armada CP110 system controller binding
clk: sunxi-ng: sun6i: Fix enable bit offset for hdmi-ddc module clock
clk: sunxi: ccu-sun5i needs nkmp
clk: sunxi-ng: mp: Adjust parent rate for pre-dividers
aarch64-linux-gcc-7 complains about code it doesn't fully understand:
drivers/infiniband/hw/qib/qib_iba7322.c: In function 'qib_7322_txchk_change':
include/asm-generic/bitops/non-atomic.h:105:35: error: 'shadow' may be used uninitialized in this function [-Werror=maybe-uninitialized]
The code is right, and despite trying hard, I could not come up with a version
that I liked better than just adding a fake initialization here to shut up the
warning.
Fixes: f931551baf ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
When the rdma device is removed, we must cleanup all
the rdma resources within the DEVICE_REMOVAL event
handler to let the device teardown gracefully. When
this happens with live I/O, some memory regions are
occupied. Thus, track them too and dereg all the mr's.
We are safe with mr access by iscsi_iser_cleanup_task.
Reported-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Jiandi An
Jarkko Sakkinen
Jerry Snitselaar
Jérémy Lefaure
Nayna Jain
Andy Shevchenko
Hon Ching \(Vicky\) Lo
James Bottomley
Peter Huewe
Winkler, Tomas
Arnd Bergmann
Jason Gunthorpe
Alexander Steffen
Elena Reshetova
Kees Cook
Tetsuo Handa
James Morris
Linus Torvalds
Theodore Ts'o
Sagi Grimberg