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Change-Id: Ic40a9e3c4d760ba12eab2c4779951aa627cadd13
Signed-off-by: Sooyoung Ha <yoosah.ha@samsung.com>
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Change-Id: I83941f8fa05825550a0cd6d8c6aee4c6a8f88082
Signed-off-by: Rafal Krypa <r.krypa@samsung.com>
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
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Under a strict subject/object security policy delivering a
signal or delivering network IPC could be considered either
a write or an append operation. The original choice to make
both write operations leads to an issue where IPC delivery
is desired under policy, but delivery of signals is not.
This patch provides the option of making signal delivery
an append operation, allowing Smack rules that deny signal
delivery while allowing IPC. This was requested for Tizen.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
[mainline backport of commit c60b906673eebb4f65840fa9dc204401caf276ea]
Change-Id: If4d2821381ebb608cefe66e4ca5c3c8469f846f8
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Enable ipv6table options for network access control
- IP6_NF_FILTER : Add filter table
- IP6_NF_TARGET_REJECT : Reject some packets following their permission.
- IP6_NF_MANGLE : Add mangle table
- IP6_NF_RAW : Add raw table
Change-Id: Ie79ba766188f6113c96dcd5d59cde32e190cf28e
Signed-off-by: jooseong lee <jooseong.lee@samsung.com>
Signed-off-by: Sooyoung Ha <yoosah.ha@samsung.com>
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Since 4b936885a (v2.6.32) all inodes on sockfs and pipefs are disconnected.
It caused filesystem specific code in smack_d_instantiate to be skipped,
because all inodes on those pseudo filesystems were treated as root inodes.
As a result all sockfs inodes had the Smack label set to floor.
In most cases access checks for sockets use socket_smack data so the inode
label is not important. But there are special cases that were broken.
One example would be calling fcntl with F_SETOWN command on a socket fd.
Now smack_d_instantiate expects all pipefs and sockfs inodes to be
disconnected and has the logic in appropriate place.
Change-Id: Id83469a5b29958ec7c2cdbafbbaa014276126351
Signed-off-by: Rafal Krypa <r.krypa@samsung.com>
Signed-off-by: jooseong lee <jooseong.lee@samsung.com>
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Change-Id: Iafd015fd9969e30affb44fa4d8dacd4e886523ec
Signed-off-by: Minkee Lee <minkee.lee@samsung.com>
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Change-Id: I284ce56f2f8ea9aa8909e6a3c1be044518f115b9
Signed-off-by: Sooyoung Ha <yoosah.ha@samsung.com>
(cherry picked from commit 66ee7c4ee8cdc7afcb629ea3840eafddf5091a33)
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Some keycodes do not work on 64bit guest.
So, reset previous keybit setting.
Change-Id: I3d16f9106fe79e0493369c4953272cbeb04ebb49
Signed-off-by: Munkyu Im <munkyu.im@samsung.com>
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Change-Id: I1332757228f4fdbb8ebc73bd27442772a516b34d
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
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This is the 4.4.35 stable release
Change-Id: I016616a636a1c38e276e4c1c1b4728666b34a253
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
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When run under haxm certain CPU features appear inaccesible from guest
and at the moment there seems to be no proper way to set them up from the
host side. The patch allows to forcefully enable x86 Page Attribute
Table and therefore use different memory caching policies at the page
level granularity. PAT significantly improves performance when mmaped
device buffers are accessed.
WARNING: once a proper solution is figured out for haxm case the patch
should be reverted. Currently it is more like a hack to avoid terrible
performance on certain scenarios like decoding high resolution video
directly into the mmaped video buffer.
Change-Id: Ib626a93b2ff16cc8bbdee186cfe67cff6b29e618
Signed-off-by: Vasiliy Ulyanov <v.ulyanov@samsung.com>
Signed-off-by: Sooyoung Ha <yoosah.ha@samsung.com>
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commit a8b1e36d0d1d6f51490e7adce35367ed6adb10e7 upstream.
With HZ=100 element timeout in dynamic sets (i.e. flow tables) is 10 times
higher than configured.
Add proper conversion to/from jiffies, when interacting with userspace.
I tested this on Linux 4.8.1, and it applies cleanly to current nf and
nf-next trees.
Fixes: 22fe54d5fefc ("netfilter: nf_tables: add support for dynamic set updates")
Signed-off-by: Anders K. Pedersen <akp@cohaesio.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9db0ff53cb9b43ed75bacd42a89c1a0ab048b2b0 upstream.
When there is a CM id object that has port assigned to it, it means that
the cm-id asked for the specific port that it should go by it, but if
that port was removed (hot-unplug event) the cm-id was not updated.
In order to fix that the port keeps a list of all the cm-id's that are
planning to go by it, whenever the port is removed it marks all of them
as invalid.
This commit fixes a kernel panic which happens when running traffic between
guests and we force reboot a guest mid traffic, it triggers a kernel panic:
Call Trace:
[<ffffffff815271fa>] ? panic+0xa7/0x16f
[<ffffffff8152b534>] ? oops_end+0xe4/0x100
[<ffffffff8104a00b>] ? no_context+0xfb/0x260
[<ffffffff81084db2>] ? del_timer_sync+0x22/0x30
[<ffffffff8104a295>] ? __bad_area_nosemaphore+0x125/0x1e0
[<ffffffff81084240>] ? process_timeout+0x0/0x10
[<ffffffff8104a363>] ? bad_area_nosemaphore+0x13/0x20
[<ffffffff8104aabf>] ? __do_page_fault+0x31f/0x480
[<ffffffff81065df0>] ? default_wake_function+0x0/0x20
[<ffffffffa0752675>] ? free_msg+0x55/0x70 [mlx5_core]
[<ffffffffa0753434>] ? cmd_exec+0x124/0x840 [mlx5_core]
[<ffffffff8105a924>] ? find_busiest_group+0x244/0x9f0
[<ffffffff8152d45e>] ? do_page_fault+0x3e/0xa0
[<ffffffff8152a815>] ? page_fault+0x25/0x30
[<ffffffffa024da25>] ? cm_alloc_msg+0x35/0xc0 [ib_cm]
[<ffffffffa024e821>] ? ib_send_cm_dreq+0xb1/0x1e0 [ib_cm]
[<ffffffffa024f836>] ? cm_destroy_id+0x176/0x320 [ib_cm]
[<ffffffffa024fb00>] ? ib_destroy_cm_id+0x10/0x20 [ib_cm]
[<ffffffffa034f527>] ? ipoib_cm_free_rx_reap_list+0xa7/0x110 [ib_ipoib]
[<ffffffffa034f590>] ? ipoib_cm_rx_reap+0x0/0x20 [ib_ipoib]
[<ffffffffa034f5a5>] ? ipoib_cm_rx_reap+0x15/0x20 [ib_ipoib]
[<ffffffff81094d20>] ? worker_thread+0x170/0x2a0
[<ffffffff8109b2a0>] ? autoremove_wake_function+0x0/0x40
[<ffffffff81094bb0>] ? worker_thread+0x0/0x2a0
[<ffffffff8109aef6>] ? kthread+0x96/0xa0
[<ffffffff8100c20a>] ? child_rip+0xa/0x20
[<ffffffff8109ae60>] ? kthread+0x0/0xa0
[<ffffffff8100c200>] ? child_rip+0x0/0x20
Fixes: a977049dacde ("[PATCH] IB: Add the kernel CM implementation")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5b810a242c28e1d8d64d718cebe75b79d86a0b2d upstream.
The real QP is destroyed in case of the ref count reaches zero, but
for XRC target QPs this call was missed and caused to QP leaks.
Let's call to destroy for all flows.
Fixes: 0e0ec7e0638e ('RDMA/core: Export ib_open_qp() to share XRC...')
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3c7ba5760ab8eedec01159b267bb9bfcffe522ac upstream.
sg_alloc_table gets unsigned int as parameter while the driver
returns it as size_t. Check npages isn't greater than maximum
unsigned int.
Fixes: eeb8461e36c9 ("IB: Refactor umem to use linear SG table")
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dbaaff2a2caa03d472b5cc53a3fbfd415c97dc26 upstream.
When an internal error condition is detected, make sure to set the
device inactive after dispatching the event so ULPs can get a
notification of this event.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 16b0e0695a73b68d8ca40288c8f9614ef208917b upstream.
When creating kernel CQs use 128B CQE stride if the
cache line size is 128B, 64B otherwise. This prevents
multiple CQEs from residing in a 128B cache line,
which can cause retries when there are concurrent
read and writes in one cache line.
Tested with IPoIB on PPC64, saw ~5% throughput
improvement.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 593ff73bcfdc79f79a8a0df55504f75ad3e5d1a9 upstream.
Currently, if ib_copy_to_udata fails, the CQ
won't be deleted from the radix tree and the HW (HW2SW).
Fixes: 225c7b1feef1 ('IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 37995116fecfce2b61ee3da6e73b3e394c6818f9 upstream.
Check the returned GID index value and return an error if it is invalid.
Fixes: 5070cd2239bd ('IB/mlx4: Replace mechanism for RoCE GID management')
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6f75c3fd56daf547d684127a7f83c283c3c160d1 upstream.
Consider two devices, A and B, where B is a child of A, and B utilizes
asynchronous suspend (it does not matter whether A is sync or async). If
B fails to suspend_noirq() or suspend_late(), or is interrupted by a
wakeup (pm_wakeup_pending()), then it aborts and sets the async_error
variable. However, device A does not (immediately) check the async_error
variable; it may continue to run its own suspend_noirq()/suspend_late()
callback. This is bad.
We can resolve this problem by doing our error and wakeup checking
(particularly, for the async_error flag) after waiting for children to
suspend, instead of before. This also helps align the logic for the noirq and
late suspend cases with the logic in __device_suspend().
It's easy to observe this erroneous behavior by, for example, forcing a
device to sleep a bit in its suspend_noirq() (to ensure the parent is
waiting for the child to complete), then return an error, and watch the
parent suspend_noirq() still get called. (Or similarly, fake a wakeup
event at the right (or is it wrong?) time.)
Fixes: de377b397272 (PM / sleep: Asynchronous threads for suspend_late)
Fixes: 28b6fd6e3779 (PM / sleep: Asynchronous threads for suspend_noirq)
Reported-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ceb75787bc75d0a7b88519ab8a68067ac690f55a upstream.
Make sure to drop the reference taken by class_find_device() after
opening the RTC device.
Fixes: 77437fd4e61f (pm: boot time suspend selftest)
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d6124b409ca33c100170ffde51cd8dff761454a1 upstream.
This subsystem consistently fails to drop the device reference taken by
class_find_device().
Note that some of these lookup functions already take a reference to the
returned data, while others claim no reference is needed (or does not
seem need one).
Fixes: 183b9b592a62 ("uwb: add the UWB stack (core files)")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 722f191080de641f023feaa7d5648caf377844f5 upstream.
Make sure to drop the reference taken by bus_find_device_by_name()
before returning from mfd_clone_cell().
Fixes: a9bbba996302 ("mfd: add platform_device sharing support for mfd")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e0d9727c111a5917a1184c71c1a8e6f78c7fc41d upstream.
The SPLC data parsing is too restrictive and was not trying find the
correct element for WiFi. This causes problems with some BIOSes where
the SPLC method exists, but doesn't have a WiFi entry on the first
element of the list. The domain type values are also incorrect
according to the specification.
Fix this by complying with the actual specification.
Additionally, replace all occurrences of SPLX to SPLC, since SPLX is
only a structure internal to the ACPI tables, and may not even exist.
Fixes: bcb079a14d75 ("iwlwifi: pcie: retrieve and parse ACPI power limitations")
Reported-by: Chris Rorvick <chris@rorvick.com>
Tested-by: Paul Bolle <pebolle@tiscali.nl>
Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3984903a2e3906d3def220e688040ce93368200a upstream.
RTC can be clocked from an external 32KHz oscillator, or from the
Peripheral PLL. The RTC has an internal oscillator buffer to support
direct operation with a crystal.
----------------------------------------
| Device --------- |
| | | |
| | RTCSS | |
| --------- | | |
OSC |<------| RTC | | | |
|------>| OSC |--- | | |
| -------- | | | |
| ----|clk | |
| -------- | | | |
| | PRCM |--- | | |
| -------- -------- |
----------------------------------------
The RTC functional clock is sourced by default from the clock derived
from the Peripheral PLL. In order to select source as external osc clk
the following changes needs to be done:
- Enable the RTC OSC (RTC_OSC_REG[4]OSC32K_GZ = 0)
- Enable the clock mux(RTC_OSC_REG[6]K32CLK_EN = 1)
- Select the external clock source (RTC_OSC_REG[3]32KCLK_SEL = 1)
Fixes: 399cf0f63f6f2 ("rtc: omap: Add external clock enabling support")
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a29e52a6e66f4c0c895e7083e4bad2e7957f1fb5 upstream.
Fix the retrn value check which testing the wrong variable
in mmp2_clk_init().
Fixes: 1ec770d92a62 ("clk: mmp: add mmp2 DT support for clock driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit deab07261d54b4db7b627d38e0efac97f176c6d6 upstream.
Fix the retrn value check which testing the wrong variable
in pxa168_clk_init().
Fixes: ab08aefcd12d ("clk: mmp: add pxa168 DT support for clock driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 10f2bfb092e3b49000526c02cfe8b2abbbdbb752 upstream.
Fix the retrn value check which testing the wrong variable
in pxa910_clk_init().
Fixes: 2bc61da9f7ff ("clk: mmp: add pxa910 DT support for clock driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8e94a46c1770884166b31adc99eba7da65a446a7 upstream.
External clients which import our bo's wait only
for exclusive dmabuf-fences, not on shared ones,
ditto for bo's which we import from external
providers and write to.
Therefore attach exclusive fences on prime shared buffers
if our exported buffer gets imported by an external
client, or if we import a buffer from an external
exporter.
See discussion in thread:
https://lists.freedesktop.org/archives/dri-devel/2016-October/122370.html
Prime export tested on Intel iGPU + AMD Tonga dGPU as
DRI3/Present Prime render offload, and with the Tonga
standalone as primary gpu.
v2: Add a wait for all shared fences before prime export,
as suggested by Christian Koenig.
v3: - Mark buffer prime_exported in amdgpu_gem_prime_pin,
so we only use the exclusive fence when exporting a
bo to external clients like a separate iGPU, but not
when exporting/importing from/to ourselves as part of
regular DRI3 fd passing.
- Propagate failure of reservation_object_wait_rcu back
to caller.
v4: - Switch to a prime_shared_count counter instead of a
flag, which gets in/decremented on prime_pin/unpin, so
we can switch back to shared fences if all clients
detach from our exported bo.
- Also switch to exclusive fence for prime imported bo's.
v5: - Drop lret, instead use int ret -> long ret, as proposed
by Christian.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95472
Tested-by: Mike Lothian <mike@fireburn.co.uk> (v1)
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>.
Cc: Christian König <christian.koenig@amd.com>
Cc: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 83d2c9a9c17b1e9f23a3a0c24c03cd18e4b02520 upstream.
When using AES-XTS on a Wandboard, we receive a Mode error:
caam_jr 2102000.jr1: 20001311: CCB: desc idx 19: AES: Mode error.
According to the Security Reference Manual, the Low Power AES units
of the i.MX6 do not support the XTS mode. Therefore we must not
register XTS implementations in the Crypto API.
Signed-off-by: Sven Ebenfeld <sven.ebenfeld@gmail.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: c6415a6016bf "crypto: caam - add support for acipher xts(aes)"
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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commit 8cdf3372fe8368f56315e66bea9f35053c418093 upstream.
If the block size or cluster size is insane, reject the mount. This
is important for security reasons (although we shouldn't be just
depending on this check).
Ref: http://www.securityfocus.com/archive/1/539661
Ref: https://bugzilla.redhat.com/show_bug.cgi?id=1332506
Reported-by: Borislav Petkov <bp@alien8.de>
Reported-by: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c6a385539175ebc603da53aafb7753d39089f32e upstream.
So Sebastian turned off the PIE for kernel builds but that was too late
- Kbuild.include already uses KBUILD_CFLAGS and trying to disable gcc
options with, say cc-disable-warning, fails:
gcc -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
...
-Wno-sign-compare -fno-asynchronous-unwind-tables -Wframe-address -c -x c /dev/null -o .31392.tmp
/dev/null:1:0: error: code model kernel does not support PIC mode
because that returns an error and we can't disable the warning. For
example in this case:
KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
which leads to gcc issuing all those warnings again.
So let's turn off PIE/PIC at the earliest possible moment, when we
declare KBUILD_CFLAGS so that cc-disable-warning picks it up too.
Also, we need the $(call cc-option ...) because -fno-PIE is supported
since gcc v3.4 and our lowest supported gcc version is 3.2 right now.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 90944e40ba1838de4b2a9290cf273f9d76bd3bdd upstream.
If the gcc is configured to do -fPIE by default then the build aborts
later with:
| Unsupported relocation type: unknown type rel type name (29)
Tagging it stable so it is possible to compile recent stable kernels as
well.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 82031ea29e454b574bc6f49a33683a693ca5d907 upstream.
Adding -no-PIE to the fstack protector check. -no-PIE was introduced
before -fstack-protector so there is no need for a runtime check.
Without it the build stops:
|Cannot use CONFIG_CC_STACKPROTECTOR_STRONG: -fstack-protector-strong available but compiler is broken
due to -mcmodel=kernel + -fPIE if -fPIE is enabled by default.
Tagging it stable so it is possible to compile recent stable kernels as
well.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8ae94224c9d72fc4d9aaac93b2d7833cf46d7141 upstream.
Debian started to build the gcc with -fPIE by default so the kernel
build ends before it starts properly with:
|kernel/bounds.c:1:0: error: code model kernel does not support PIC mode
Also add to KBUILD_AFLAGS due to:
|gcc -Wp,-MD,arch/x86/entry/vdso/vdso32/.note.o.d … -mfentry -DCC_USING_FENTRY … vdso/vdso32/note.S
|arch/x86/entry/vdso/vdso32/note.S:1:0: sorry, unimplemented: -mfentry isn’t supported for 32-bit in combination with -fpic
Tagging it stable so it is possible to compile recent stable kernels as
well.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michal Marek <mmarek@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 93d710a65ef02fb7fd48ae207e78f460bd7a6089 upstream.
We get the following build error from UM Linux after adding
an entry to drivers/iio/gyro/Kconfig that issues "select I2C_MUX":
ERROR: "devm_ioremap_resource"
[drivers/i2c/muxes/i2c-mux-reg.ko] undefined!
ERROR: "of_address_to_resource"
[drivers/i2c/muxes/i2c-mux-reg.ko] undefined!
It appears that the I2C mux core code depends on HAS_IOMEM
for historical reasons, while CONFIG_I2C_MUX_REG does *not*
have a direct dependency on HAS_IOMEM.
This creates a situation where a allyesconfig or allmodconfig
for UM Linux will select I2C_MUX, and will implicitly enable
I2C_MUX_REG as well, and the compilation will fail for the
register driver.
Fix this up by making I2C_MUX_REG depend on HAS_IOMEM and
removing the dependency from I2C_MUX.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Jonathan Cameron <jic23@jic23.retrosnub.co.uk>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit deb507f91f1adbf64317ad24ac46c56eeccfb754 upstream.
Andrey Konovalov reported an issue with proc_register in bcm.c.
As suggested by Cong Wang this patch adds a lock_sock() protection and
a check for unsuccessful proc_create_data() in bcm_connect().
Reference: http://marc.info/?l=linux-netdev&m=147732648731237
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 274e43edcda6f709aa67e436b3123e45a6270923 upstream.
Commit 41a3da2b8e163 ("mfd: intel-lpss: Save register context on
suspend") saved the register context while going to suspend and
also put the device in reset state.
Due to the resetting of device, system cannot enter S3/S0ix
states when no_console_suspend flag is enabled. The system
and serial console both hang. The resetting of device is not
needed while going to suspend. Hence remove this code.
Fixes: 41a3da2b8e163 ("mfd: intel-lpss: Save register context on suspend")
Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 59c3b76cc61d1d676f965c192cc7969aa5cb2744 upstream.
If pos is at the beginning of a page and copied is zero then page is not
zeroed but is marked uptodate.
Fix by skipping everything except unlock/put of page if zero bytes were
copied.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 6b12c1b37e55 ("fuse: Implement write_begin/write_end callbacks")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1650b4ebc99da4c137bfbfc531be4a2405f951dd upstream.
Function user_notifier_unregister should be called only once for each
registered user notifier.
Function kvm_arch_hardware_disable can be executed from an IPI context
which could cause a race condition with a VCPU returning to user mode
and attempting to unregister the notifier.
Signed-off-by: Ignacio Alvarado <ikalvarado@google.com>
Fixes: 18863bdd60f8 ("KVM: x86 shared msr infrastructure")
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7301d6abaea926d685832f7e1f0c37dd206b01f4 upstream.
Reported by syzkaller:
[ INFO: suspicious RCU usage. ]
4.9.0-rc4+ #47 Not tainted
-------------------------------
./include/linux/kvm_host.h:536 suspicious rcu_dereference_check() usage!
stack backtrace:
CPU: 1 PID: 6679 Comm: syz-executor Not tainted 4.9.0-rc4+ #47
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
ffff880039e2f6d0 ffffffff81c2e46b ffff88003e3a5b40 0000000000000000
0000000000000001 ffffffff83215600 ffff880039e2f700 ffffffff81334ea9
ffffc9000730b000 0000000000000004 ffff88003c4f8420 ffff88003d3f8000
Call Trace:
[< inline >] __dump_stack lib/dump_stack.c:15
[<ffffffff81c2e46b>] dump_stack+0xb3/0x118 lib/dump_stack.c:51
[<ffffffff81334ea9>] lockdep_rcu_suspicious+0x139/0x180 kernel/locking/lockdep.c:4445
[< inline >] __kvm_memslots include/linux/kvm_host.h:534
[< inline >] kvm_memslots include/linux/kvm_host.h:541
[<ffffffff8105d6ae>] kvm_gfn_to_hva_cache_init+0xa1e/0xce0 virt/kvm/kvm_main.c:1941
[<ffffffff8112685d>] kvm_lapic_set_vapic_addr+0xed/0x140 arch/x86/kvm/lapic.c:2217
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Fixes: fda4e2e85589191b123d31cdc21fd33ee70f50fd
Cc: Andrew Honig <ahonig@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b0b6e86846093c5f8820386bc01515f857dd8faa upstream.
cpu_llc_id (Last Level Cache ID) derivation on AMD Fam17h has an
underflow bug when extracting the socket_id value. It starts from 0
so subtracting 1 from it will result in an invalid value. This breaks
scheduling topology later on since the cpu_llc_id will be incorrect.
For example, the the cpu_llc_id of the *other* CPU in the loops in
set_cpu_sibling_map() underflows and we're generating the funniest
thread_siblings masks and then when I run 8 threads of nbench, they get
spread around the LLC domains in a very strange pattern which doesn't
give you the normal scheduling spread one would expect for performance.
Other things like EDAC use cpu_llc_id so they will be b0rked too.
So, the APIC ID is preset in APICx020 for bits 3 and above: they contain
the core complex, node and socket IDs.
The LLC is at the core complex level so we can find a unique cpu_llc_id
by right shifting the APICID by 3 because then the least significant bit
will be the Core Complex ID.
Tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
[ Cleaned up and extended the commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Aravind Gopalakrishnan <aravindksg.lkml@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Fixes: 3849e91f571d ("x86/AMD: Fix last level cache topology for AMD Fam17h systems")
Link: http://lkml.kernel.org/r/20161108083506.rvqb5h4chrcptj7d@pd.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch enables smack netfilter to support nether serivce.
Nether is for network access control in Tizen3.0.
Change-Id: Id1fc9fdc34dbab674e0db1967c163cc32a8c5b0c
Signed-off-by: jooseong lee <jooseong.lee@samsung.com>
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Change-Id: Ib741a651293ab442cb713ce2b06cdd6210e4e8ac
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
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Change-Id: Id628db3815676319640dc321a61f3c160d7af0f7
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
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In case of using multiple message with list,
wake up interrupt should call after all messages are added to list.
Otherwise, synchronization problem can be occurred.
Change-Id: I808f54d8d08267e8038e6fe17187abaaa10edf56
Signed-off-by: Munkyu Im <munkyu.im@samsung.com>
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[ Upstream commit 0fd0ff01d4c3c01e7fe69b762ee1a13236639acc ]
Now that all of the user copy routines are converted to return
accurate residual lengths when an exception occurs, we no longer need
the broken fixup routines.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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