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Pull VFIO fix from Alex Williamson:
"Harden potential Spectre v1 issue (Gustavo A. R. Silva)"
* tag 'vfio-v4.18-rc6' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix potential Spectre v1
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fix from Mike Snitzer:
"Fix DM writecache target to allow an optional offset to the start of
the data and metadata area.
This allows userspace tools (e.g. LVM2) to place a header and metadata
at the front of the writecache device for its use"
* tag 'for-4.18/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm writecache: support optional offset for start of device
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
i.MX fixes for 4.18, round 4:
- A fix for i.MX6 RDU2 board on the wrong IRQ type of Marvell switch,
which might result in a race condition in the interrupt handler and
cause the OS to miss all future events.
* tag 'imx-fixes-4.18-4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6: RDU2: fix irq type for mv88e6xxx switch
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"A set of 8 obvious fixes.
Three (2 qla2xxx and the cxlflash oopses) are regressions, two from
4.17 and one from the merge window. The hpsa change is user visible,
but it fixes an error users have complained about"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: cxlflash: fix assignment of the backend operations
scsi: qedi: Send driver state to MFW
scsi: qedf: Send the driver state to MFW
scsi: hpsa: correct enclosure sas address
scsi: sd_zbc: Fix variable type and bogus comment
scsi: qla2xxx: Fix NULL pointer dereference for fcport search
scsi: qla2xxx: Fix kernel crash due to late workqueue allocation
scsi: qla2xxx: Fix inconsistent DMA mem alloc/free
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The -S (system summary) option failed to print any data on a 1-processor system.
Reported-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fix from Joerg Roedel:
"Only one revert, for an an Intel VT-d patch that caused issues with
the i915 GPU driver"
* tag 'iommu-fixes-v4.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices"
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
"The Dell laptop ACPI video brightness control is now back after fixing
a regression brought by SMM refactoring"
* tag 'platform-drivers-x86-v4.18-2' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: dell-laptop: Fix backlight detection
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"ARC is back after radio silence in 4.17:
- Fix CONFIG_SWAP [Alexey]
- Robustify cmpxchg emulation for systems w/o atomics [Alexey /
PeterZ]
- Allow mprotext(PROT_EXEC) for stack mappings [Vineet]
- HSDK platform enable PCIe, APG GPIO [Gustavo]
- miscll other fixes, config updates etc"
* tag 'arc-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: [plat-hsdk]: Save accl reg pair by default
ARC: mm: allow mprotect to make stack mappings executable
ARC: Fix CONFIG_SWAP
ARC: [arcompact] entry.S: minor code movement
ARC: configs: Remove CONFIG_INITRAMFS_SOURCE from defconfigs
ARC: configs: remove no longer needed CONFIG_DEVPTS_MULTIPLE_INSTANCES
ARC: Improve cmpxchg syscall implementation
ARC: [plat-hsdk]: Configure APB GPIO controller on ARC HSDK platform
ARC: [plat-hsdk] Add PCIe support
ARC: Enable machine_desc->init_per_cpu for !CONFIG_SMP
ARC: Explicitly add -mmedium-calls to CFLAGS
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git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 updates from Greentime Hu:
"Bug fixes and build ixes for nds32"
* tag 'nds32-for-linus-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
nds32: fix build error "relocation truncated to fit: R_NDS32_25_PCREL_RELA" when make allyesconfig
nds32: To simplify the implementation of update_mmu_cache()
nds32: Fix the dts pointer is not passed correctly issue.
nds32: To implement these icache invalidation APIs since nds32 cores don't snoop data cache. This issue is found by Guo Ren. Based on the Documentation/core-api/cachetlb.rst and it says:
nds32: Fix build error caused by configuration flag rename
nds32: define __NDS32_E[BL]__ for sparse
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a relatively old initialization issue in intel_pstate causing the
pcc-cpufreq driver to be used instead of it on some HP Proliant
systems.
This turned into a functional regression during the 4.17 cycle,
because pcc-cpufreq is a scalability disaster and that was amplified
by the idle loop rework done at that time (Rafael Wysocki).
* tag 'pm-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: intel_pstate: Register when ACPI PCCH is present
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Extend the recently added suspend-to-idle quirk for Thinkpad X1 Carbon
6th to other systems from that familiy which turned out to need it too
(Robin Johnson)"
* tag 'acpi-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / EC: Use ec_no_wakeup on more Thinkpad X1 Carbon 6th systems
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ath79_ddr_wb_flush_base has the type void __iomem *, so register offsets
need to be a multiple of 4 in order to access the intended register.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: 24b0e3e84fbf ("MIPS: ath79: Improve the DDR controller interface")
Patchwork: https://patchwork.linux-mips.org/patch/19912/
Cc: Alban Bedel <albeu@free.fr>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org # 4.2+
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VPID for the nested vcpu is allocated at vmx_create_vcpu whenever nested
vmx is turned on with the module parameter.
However, it's only freed if the L1 guest has executed VMXON which is not
a given.
As a result, on a system with nested==on every creation+deletion of an
L1 vcpu without running an L2 guest results in leaking one vpid. Since
the total number of vpids is limited to 64k, they can eventually get
exhausted, preventing L2 from starting.
Delay allocation of the L2 vpid until VMXON emulation, thus matching its
freeing.
Fixes: 5c614b3583e7b6dab0c86356fa36c2bcbb8322a0
Cc: stable@vger.kernel.org
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Do not expose the address of vmx->nested.current_vmptr to
kvm_write_guest_virt_system() as the resulting __copy_to_user()
call will trigger a WARN when CONFIG_HARDENED_USERCOPY is
enabled.
Opportunistically clean up variable names in handle_vmptrst()
to improve readability, e.g. vmcs_gva is misleading as the
memory operand of VMPTRST is plain memory, not a VMCS.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Tested-by: Peter Shier <pshier@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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If td_list is not empty the cfg_cmd will not be freed,
call xhci_free_command to free it.
Signed-off-by: Zheng Xiaowei <zhengxiaowei@ruijie.com.cn>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The old code in nvme_user_cmd() passed the userspace virtual address
from nvme_passthru_cmd.metadata as the length of the metadata buffer
as well as the address to nvme_submit_user_cmd().
Fixes: 63263d60 ("nvme: Use metadata for passthrough commands")
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There is a bug in the sink PDO search code when trying to select
a PPS APDO. The current code actually sets the starting index for
searching to whatever value 'i' is, rather than choosing index 1
to avoid the first PDO (always 5V fixed). As a result, for sources
which support PPS but whose PPS APDO index does not match with the
supporting sink PPS APDO index for the platform, no valid PPS APDO
will be found so this feature will not be permitted.
Sadly in testing, both Source and Sink capabilities matched up and
this was missed. Code is now updated to correctly set the start
index to 1, and testing with additional PPS capable sources show
this to work as expected.
Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Fixes: 2eadc33f40d4 ("typec: tcpm: Add core support for sink side PPS")
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 1b9ba000 ("Allow function drivers to pause control
transfers") states that USB_GADGET_DELAYED_STATUS is only
supported if data phase is 0 bytes.
It seems that when the length is not 0 bytes, there is no
need to explicitly delay the data stage since the transfer
is not completed until the user responds. However, when the
length is 0, there is no data stage and the transfer is
finished once setup() returns, hence there is a need to
explicitly delay completion.
This manifests as the following bugs:
Prior to 946ef68ad4e4 ('Let setup() return
USB_GADGET_DELAYED_STATUS'), when setup is 0 bytes, ffs
would require user to queue a 0 byte request in order to
clear setup state. However, that 0 byte request was actually
not needed and would hang and cause errors in other setup
requests.
After the above commit, 0 byte setups work since the gadget
now accepts empty queues to ep0 to clear the delay, but all
other setups hang.
Fixes: 946ef68ad4e4 ("Let setup() return USB_GADGET_DELAYED_STATUS")
Signed-off-by: Jerry Zhang <zhangjerry@google.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When first DCCP packet is SYNC or SYNCACK, we insert a new conntrack
that has an un-initialized timeout value, i.e. such entry could be
reaped at any time.
Mark them as INVALID and only ignore SYNC/SYNCACK when connection had
an old state.
Reported-by: syzbot+6f18401420df260e37ed@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Its possible to rename two chains to the same name in one
transaction:
nft add chain t c1
nft add chain t c2
nft 'rename chain t c1 c3;rename chain t c2 c3'
This creates two chains named 'c3'.
Appears to be harmless, both chains can still be deleted both
by name or handle, but, nevertheless, its a bug.
Walk transaction log and also compare vs. the pending renames.
Both chains can still be deleted, but nevertheless it is a bug as
we don't allow to create chains with identical names, so we should
prevent this from happening-by-rename too.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The new name is stored in the transaction metadata, on commit,
the pointers to the old and new names are swapped.
Therefore in abort and commit case we have to free the
pointer in the chain_trans container.
In commit case, the pointer can be used by another cpu that
is currently dumping the renamed chain, thus kfree needs to
happen after waiting for rcu readers to complete.
Fixes: b7263e071a ("netfilter: nf_tables: Allow chain name of up to 255 chars")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fixes: 3b49e2e94e6ebb ("netfilter: nf_tables: add flow table netlink frontend")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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no need to store the name in separate area.
Furthermore, it uses kmalloc but not kfree and most accesses seem to treat
it as char[IFNAMSIZ] not char *.
Remove this and use dev->name instead.
In case event zeroed dev, just omit the name in the dump.
Fixes: d92191aa84e5f1 ("netfilter: nf_tables: cache device name in flowtable object")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix return code check for "max brightness" ACPI call.
The Dell laptop ACPI video brightness control is not present on dell
laptops anymore, but was present in older kernel versions.
The code that checks the return value is incorrect since the SMM
refactoring.
The old code was:
if (buffer->output[0] == 0)
Which was changed to:
ret = dell_send_request(...)
if (ret)
However, dell_send_request() will return 0 if buffer->output[0] == 0,
so we must change the check to:
if (ret == 0)
This issue was found on a Dell M4800 laptop, and the fix tested on it
as well.
Fixes: 549b4930f057 ("dell-smbios: Introduce dispatcher for SMM calls")
Signed-off-by: Damien Thébault <damien@dtbo.net>
Tested-by: Damien Thébault <damien@dtbo.net>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Reviewed-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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This reverts commit ab96746aaa344fb720a198245a837e266fad3b62.
The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for
pre-production devices") triggers ECS mode on some platforms
which have broken ECS support. As the result, graphic device
will be inoperable on boot.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107017
Cc: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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I noticed the "--version" option of the llvm-objcopy command has recently
disappeared from the master llvm branch. It is currently used as a BTF
support test in tools/testing/selftests/bpf/Makefile.
This patch replaces it with "--help" which should be
less error prone in the future.
Fixes: c0fa1b6c3efc ("bpf: btf: Add BTF tests")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This patch shrinks the BTF_INT_BITS() mask. The current
btf_int_check_meta() ensures the nr_bits of an integer
cannot exceed 64. Hence, it is mostly an uapi cleanup.
The actual btf usage (i.e. seq_show()) is also modified
to use u8 instead of u16. The verification (e.g. btf_int_check_meta())
path stays as is to deal with invalid BTF situation.
Fixes: 69b693f0aefa ("bpf: btf: Introduce BPF Type Format (BTF)")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Arguments of 'pin' subcommand should be checked
at the very beginning of do_pin_any().
Otherwise segfault errors can occur when using
'map pin' or 'prog pin' commands, so fix it.
# bpftool prog pin id
Segmentation fault
Fixes: 71bb428fe2c1 ("tools: bpf: add bpftool")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reported-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The calculation of "wqe_size" is not correct when the tx queue is busy in
hinic_xmit_frame().
When there are no free WQEs, the tx flow will unmap the skb buffer, then
ring the doobell for the pending packets. But the "wqe_size" which used
to calculate the doorbell address is not correct. The wqe size should be
cleared to 0, otherwise, it will cause a doorbell error.
This patch fixes the problem.
Reported-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the warning below by calling the ptr_ring_consume_bh,
which uses spin_[un]lock_bh.
[ 179.064300] ================================
[ 179.069073] WARNING: inconsistent lock state
[ 179.073846] 4.18.0-rc2+ #18 Not tainted
[ 179.078133] --------------------------------
[ 179.082907] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 179.089637] swapper/21/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
[ 179.095478] 00000000963d1995 (&(&r->consumer_lock)->rlock){+.?.}, at:
__page_pool_empty_ring+0x61/0x100
[ 179.105988] {SOFTIRQ-ON-W} state was registered at:
[ 179.111443] _raw_spin_lock+0x35/0x50
[ 179.115634] __page_pool_empty_ring+0x61/0x100
[ 179.120699] page_pool_destroy+0x32/0x50
[ 179.125204] mlx5e_free_rq+0x38/0xc0 [mlx5_core]
[ 179.130471] mlx5e_close_channel+0x20/0x120 [mlx5_core]
[ 179.136418] mlx5e_close_channels+0x26/0x40 [mlx5_core]
[ 179.142364] mlx5e_close_locked+0x44/0x50 [mlx5_core]
[ 179.148509] mlx5e_close+0x42/0x60 [mlx5_core]
[ 179.153936] __dev_close_many+0xb1/0x120
[ 179.158749] dev_close_many+0xa2/0x170
[ 179.163364] rollback_registered_many+0x148/0x460
[ 179.169047] rollback_registered+0x56/0x90
[ 179.174043] unregister_netdevice_queue+0x7e/0x100
[ 179.179816] unregister_netdev+0x18/0x20
[ 179.184623] mlx5e_remove+0x2a/0x50 [mlx5_core]
[ 179.190107] mlx5_remove_device+0xe5/0x110 [mlx5_core]
[ 179.196274] mlx5_unregister_interface+0x39/0x90 [mlx5_core]
[ 179.203028] cleanup+0x5/0xbfc [mlx5_core]
[ 179.208031] __x64_sys_delete_module+0x16b/0x240
[ 179.213640] do_syscall_64+0x5a/0x210
[ 179.218151] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 179.224218] irq event stamp: 334398
[ 179.228438] hardirqs last enabled at (334398): [<ffffffffa511d8b7>]
rcu_process_callbacks+0x1c7/0x790
[ 179.239178] hardirqs last disabled at (334397): [<ffffffffa511d872>]
rcu_process_callbacks+0x182/0x790
[ 179.249931] softirqs last enabled at (334386): [<ffffffffa509732e>] irq_enter+0x5e/0x70
[ 179.259306] softirqs last disabled at (334387): [<ffffffffa509741c>] irq_exit+0xdc/0xf0
[ 179.268584]
[ 179.268584] other info that might help us debug this:
[ 179.276572] Possible unsafe locking scenario:
[ 179.276572]
[ 179.283877] CPU0
[ 179.286954] ----
[ 179.290033] lock(&(&r->consumer_lock)->rlock);
[ 179.295546] <Interrupt>
[ 179.298830] lock(&(&r->consumer_lock)->rlock);
[ 179.304550]
[ 179.304550] *** DEADLOCK ***
Fixes: ff7d6b27f894 ("page_pool: refurbish version of page_pool code")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This was detected by the self-test thanks to Ard's chunking patch.
I finally got around to testing this out on my ancient Via box. It
turns out that the workaround got the assembly wrong and we end up
doing count + initial cycles of the loop instead of just count.
This obviously causes corruption, either by overwriting the source
that is yet to be processed, or writing over the end of the buffer.
On CPUs that don't require the workaround only ECB is affected.
On Nano CPUs both ECB and CBC are affected.
This patch fixes it by doing the subtraction prior to the assembly.
Fixes: a76c1c23d0c3 ("crypto: padlock-aes - work around Nano CPU...")
Cc: <stable@vger.kernel.org>
Reported-by: Jamie Heilman <jamie@audible.transient.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pull drm fixes from Dave Airlie:
"Just two sets of driver fixes this week to follow up on the set from
earlier in the week and hopefully get me realigned schedule wise.
amdgpu:
- ACP fix for boards with multiple I2S instances
- DP fix for CZ, vega
- hybrid laptop fixes
- Resume regression fix
nouveau:
- large memory systems and Pascal fix
- MST race fixes
- runtime PM fix"
* tag 'drm-fixes-2018-07-20' of git://anongit.freedesktop.org/drm/drm:
drm/nouveau/fb/gp100-: disable address remapper
drm/amd/amdgpu: creating two I2S instances for stoney/cz (v2)
drm/amdgpu: add another ATPX quirk for TOPAZ
drm/amd/display: Fix DP HBR2 Eye Diagram Pattern on Carrizo
drm/amdgpu: Make sure IB tests flushed after IP resume
drm/nouveau: Set DRIVER_ATOMIC cap earlier to fix debugfs
drm/nouveau: Remove bogus crtc check in pmops_runtime_idle
drm/nouveau/drm/nouveau: Fix runtime PM leak in nv50_disp_atomic_commit()
drm/nouveau: Avoid looping through fake MST connectors
drm/nouveau: Use drm_connector_list_iter_* for iterating connectors
drm/nouveau/gem: off by one bugs in nouveau_gem_pushbuf_reloc_apply()
drm/nouveau/kms/nv50-: ensure window updates are submitted when flushing mst disables
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The Marvell switches report their interrupts in a level sensitive way.
When using edge sensitive detection a race condition in the interrupt
handler of the swich might result in the OS to miss all future events
which might make the switch non-functional.
The problem is that both mv88e6xxx_g2_irq_thread_fn() and
mv88e6xxx_g1_irq_thread_work() sample the irq cause register
(MV88E6XXX_G2_INT_SRC and MV88E6XXX_G1_STS respectively) once and then
handle the observed sources. If after sampling but before all observed
irq sources are handled a new irq source gets active this is not noticed
by the handler which returns unsuspecting, but the interrupt line stays
active which prevents the edge detector to kick in.
All device trees but imx6qdl-zii-rdu2 get this right (most of them by
not specifying an interrupt parent). So fix imx6qdl-zii-rdu2
accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: f64992d1a916 ("ARM: dts: imx6: RDU2: Add Switch interrupts")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Propagate the task management completion status properly to avoid
unnecessary waits for commands to complete.
Fixes: faef62d13463 ("[SCSI] qla2xxx: Fix Task Management command asynchronous handling")
Cc: <stable@vger.kernel.org>
Signed-off-by: Anil Gurumurthy <anil.gurumurthy@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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During unload process, the chip can encounter problem where a FW dump would
be captured. For this case, the full reset sequence will be skip to bring
the chip back to full operational state.
Fixes: e315cd28b9ef ("[SCSI] qla2xxx: Code changes for qla data structure refactoring")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Use chip shutdown at the start of unload to stop all DMA + traffic and
bring down the laser. This prevents any link activities from triggering the
driver to be re-engaged.
Fixes: 4b60c82736d0 ("scsi: qla2xxx: Add fw_started flags to qpair")
Cc: <stable@vger.kernel.org> #4.16
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Add wait for session deletion to finish before freeing an NPIV scsi host.
Fixes: 726b85487067 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org>
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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In case of IOCB Queue full or system where memory is low and driver
receives large number of RSCN storm, the stale sp pointer can stay on
gpnid_list resulting in page_fault.
This patch fixes this issue by initializing the sp->elem list head and
removing sp->elem before memory is freed.
Following stack trace is seen
9 [ffff987b37d1bc60] page_fault at ffffffffad516768 [exception RIP: qla24xx_async_gpnid+496]
10 [ffff987b37d1bd10] qla24xx_async_gpnid at ffffffffc039866d [qla2xxx]
11 [ffff987b37d1bd80] qla2x00_do_work at ffffffffc036169c [qla2xxx]
12 [ffff987b37d1be38] qla2x00_do_dpc_all_vps at ffffffffc03adfed [qla2xxx]
13 [ffff987b37d1be78] qla2x00_do_dpc at ffffffffc036458a [qla2xxx]
14 [ffff987b37d1bec8] kthread at ffffffffacebae31
Fixes: 2d73ac6102d9 ("scsi: qla2xxx: Serialize GPNID for multiple RSCN")
Cc: <stable@vger.kernel.org> # v4.17+
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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- fix problem with pascal and large memory systems
- fix a bunch of MST problems
- fix a runtime PM interaction with MST
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CACAvsv79O8deSts2fxJ_oS6=q8yA+OgwBSEpp5R=BQBmWa+oyg@mail.gmail.com
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into drm-fixes
Fixes for 4.18. The ACP patch is a bit bigger than I would like
at this point, but it should have gone in long ago, it just fell
through the cracks. The others are pretty small and straight-forward.
- ACP fix for boards with 2 I2S instances
- DP fix for CZ, vega
- Fix for a hybrid graphics laptop
- Fix a resume regression
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180718162603.2747-1-alexander.deucher@amd.com
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Daniel Borkmann says:
====================
This set adds a ppc64 JIT fix for xadd as well as a missing test
case for verifying whether xadd messes with src/dst reg. Thanks!
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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We currently do not have such a test case in test_verifier selftests
but it's important to test under bpf_jit_enable=1 to make sure JIT
implementations do not mistakenly mess with src/dst reg for xadd/{w,dw}.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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None of the JITs is allowed to implement exit paths from the BPF
insn mappings other than BPF_JMP | BPF_EXIT. In the BPF core code
we have a couple of rewrites in eBPF (e.g. LD_ABS / LD_IND) and
in eBPF to cBPF translation to retain old existing behavior where
exceptions may occur; they are also tightly controlled by the
verifier where it disallows some of the features such as BPF to
BPF calls when legacy LD_ABS / LD_IND ops are present in the BPF
program. During recent review of all BPF_XADD JIT implementations
I noticed that the ppc64 one is buggy in that it contains two
jumps to exit paths. This is problematic as this can bypass verifier
expectations e.g. pointed out in commit f6b1b3bf0d5f ("bpf: fix
subprog verifier bypass by div/mod by 0 exception"). The first
exit path is obsoleted by the fix in ca36960211eb ("bpf: allow xadd
only on aligned memory") anyway, and for the second one we need to
do a fetch, add and store loop if the reservation from lwarx/ldarx
was lost in the meantime.
Fixes: 156d0e290e96 ("powerpc/ebpf/jit: Implement JIT compiler for extended BPF")
Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Reviewed-by: Sandipan Das <sandipan@linux.vnet.ibm.com>
Tested-by: Sandipan Das <sandipan@linux.vnet.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
i.MX fixes for 4.18, round 3:
- Restrict GPC driver on register range that is accessible by regmap,
so that we can avoid user space from triggering imprecise external
abort exception.
* tag 'imx-fixes-4.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx: gpc: restrict register range for regmap access
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
One omap dts mismerge fix
The dts patch for droid4 PWM vibrator has added gpio6 entries to the wrong
node. Let's fix it with a note that there seems to be also other GPIO PWM
issues to fix still to get the PWM vibrator working. So this can wait for
v4.19 merge cycle if necessary.
* tag 'omap-for-v4.18/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap4-droid4: fix dts w.r.t. pwm
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix crashes that happen when PHY drivers are left disabled in the V3
Semiconductor, MediaTek, Faraday, Aardvark, DesignWare, Versatile,
and X-Gene host controller drivers (Sergei Shtylyov)
- Fix a NULL pointer dereference in the endpoint library configfs
support (Kishon Vijay Abraham I)
- Fix a race condition in Hyper-V IRQ handling (Dexuan Cui)
* tag 'pci-v4.18-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: v3-semi: Fix I/O space page leak
PCI: mediatek: Fix I/O space page leak
PCI: faraday: Fix I/O space page leak
PCI: aardvark: Fix I/O space page leak
PCI: designware: Fix I/O space page leak
PCI: versatile: Fix I/O space page leak
PCI: xgene: Fix I/O space page leak
PCI: OF: Fix I/O space page leak
PCI: endpoint: Fix NULL pointer dereference error when CONFIGFS is disabled
PCI: hv: Disable/enable IRQs rather than BH in hv_compose_msi_msg()
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This manifsted as strace segfaulting on HSDK because gcc was targetting
the accumulator registers as GPRs, which kernek was not saving/restoring
by default.
Cc: stable@vger.kernel.org #4.14+
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A rawmidi race fix and three trivial HD-audio quirks"
* tag 'sound-4.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Yet another Clevo P950 quirk entry
ALSA: rawmidi: Change resized buffers atomically
ALSA: hda/realtek - Add Panasonic CF-SZ6 headset jack quirk
ALSA: hda: add mute led support for HP ProBook 455 G5
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The ec_no_wakeup matcher added for Thinkpad X1 Carbon 6th gen systems
beyond matched only a single DMI model (20KGS3JF01), that didn't cover
my laptop (20KH002JUS). Change to match based on DMI product family to
cover all X1 6th gen systems.
Signed-off-by: Robin H. Johnson <robbat2@gentoo.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes an allocation error-path bug in af_alg discovered by
syzkaller"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: af_alg - Initialize sg_num_bytes in error code path
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