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When using iTXQ, the code assumes that there is only one vif queue for
broadcast packets, using the BE queue. Allowing non-BE queue marking
violates that assumption and txq->ac == skb_queue_mapping is no longer
guaranteed. This can cause issues with queue handling in the driver and
also causes issues with the recent ATF change, resulting in an AQL
underflow warning.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220702145227.39356-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Taking the qos_mutex to process RoCEv2 QP's on netdev events causes a
kernel splat.
Fix this by removing the handling for RoCEv2 in
irdma_cm_teardown_connections that uses the mutex. This handling is only
needed for iWARP to avoid having connections established while the link is
down or having connections remain functional after the IP address is
removed.
BUG: sleeping function called from invalid context at kernel/locking/mutex.
Call Trace:
kernel: dump_stack+0x66/0x90
kernel: ___might_sleep.cold.92+0x8d/0x9a
kernel: mutex_lock+0x1c/0x40
kernel: irdma_cm_teardown_connections+0x28e/0x4d0 [irdma]
kernel: ? check_preempt_curr+0x7a/0x90
kernel: ? select_idle_sibling+0x22/0x3c0
kernel: ? select_task_rq_fair+0x94c/0xc90
kernel: ? irdma_exec_cqp_cmd+0xc27/0x17c0 [irdma]
kernel: ? __wake_up_common+0x7a/0x190
kernel: irdma_if_notify+0x3cc/0x450 [irdma]
kernel: ? sched_clock_cpu+0xc/0xb0
kernel: irdma_inet6addr_event+0xc6/0x150 [irdma]
Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
x722 does not support 1GB page size but the irdma driver incorrectly
advertises 1GB page size support for x722 device to ib_core to compute the
best page size to use on this MR. This could lead to incorrect start
offsets computed by hardware on the MR.
Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The shmem_pin_map() function returns NULL, it doesn't return error
pointers.
Fixes: 97ea656521c8 ("drm/i915/gvt: Parse default state to update reg whitelist")
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/Ysftoia2BPUyqVcD@kili
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
The kvm_riscv_check_vcpu_requests() is called with SRCU read lock held
and for KVM_REQ_SLEEP request it will block the VCPU without releasing
SRCU read lock. This causes KVM ioctls (such as KVM_IOEVENTFD) from
other VCPUs of the same Guest/VM to hang/deadlock if there is any
synchronize_srcu() or synchronize_srcu_expedited() in the path.
To fix the above in kvm_riscv_check_vcpu_requests(), we should do SRCU
read unlock before blocking the VCPU and do SRCU read lock after VCPU
wakeup.
Fixes: cce69aff689e ("RISC-V: KVM: Implement VCPU interrupts and requests handling")
Reported-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Tested-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
There are a bunch of functions that use the PFN from a page table entry
that end up with the svpbmt upper-bits because they are missing the newly
introduced PAGE_PFN_MASK which leads to wrong addresses conversions and
then crash: fix this by adding this mask.
Fixes: 100631b48ded ("riscv: Fix accessing pfn bits in PTEs for non-32bit variants")
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
This is a collection of three fixes for small annoyances.
Two of these are already pending in other trees, but I really don't want
to release another -rc with these issues pending, so I picked up the
patches for these things directly. We'll end up with duplicate commits
eventually, I prefer that over having these issues pending.
The third one is just me getting rid of another BUG_ON() just because it
was reported and I dislike those things so much.
* merge 'hot-fixes' branch:
ida: don't use BUG_ON() for debugging
drm/aperture: Run fbdev removal before internal helpers
ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced()
This is another old BUG_ON() that just shouldn't exist (see also commit
a382f8fee42c: "signal handling: don't use BUG_ON() for debugging").
In fact, as Matthew Wilcox points out, this condition shouldn't really
even result in a warning, since a negative id allocation result is just
a normal allocation failure:
"I wonder if we should even warn here -- sure, the caller is trying to
free something that wasn't allocated, but we don't warn for
kfree(NULL)"
and goes on to point out how that current error check is only causing
people to unnecessarily do their own index range checking before freeing
it.
This was noted by Itay Iellin, because the bluetooth HCI socket cookie
code does *not* do that range checking, and ends up just freeing the
error case too, triggering the BUG_ON().
The HCI code requires CAP_NET_RAW, and seems to just result in an ugly
splat, but there really is no reason to BUG_ON() here, and we have
generally striven for allocation models where it's always ok to just do
free(alloc());
even if the allocation were to fail for some random reason (usually
obviously that "random" reason being some resource limit).
Fixes: 88eca0207cf1 ("ida: simplified functions for id allocation")
Reported-by: Itay Iellin <ieitayie@gmail.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Like the Asus T100TA the Asus T100TAF has a camera LED which is always
on by default and both also use the same GPIO for the LED.
Relax the DMI match for the Asus T100TA so that it also matches
the T100TAF.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220710173658.221528-1-hdegoede@redhat.com
Here is a single staging driver fix for a reported problem that showed
up in 5.19-rc1 in the wlan-ng driver. It has been in linux-next for a
week with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fix from Greg KH:
"Here is a single staging driver fix for a reported problem that showed
up in 5.19-rc1 in the wlan-ng driver. It has been in linux-next for a
week with no reported problems"
* tag 'staging-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging/wlan-ng: get the correct struct hfa384x in work callback
Here are 4 small char/misc driver fixes for 5.19-rc6 to resolve some
reported issues. They only affect 2 drivers:
- rtsx_usb: fix for of-reported DMA warning error, the driver
was handling memory buffers in odd ways, it has now been fixed
up to be much simpler and correct by Shuah.
- at25 eeprom driver bugfix for reported problem
All of these have been in linux-next for a week with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are four small char/misc driver fixes for 5.19-rc6 to resolve
some reported issues. They only affect two drivers:
- rtsx_usb: fix for of-reported DMA warning error, the driver was
handling memory buffers in odd ways, it has now been fixed up to be
much simpler and correct by Shuah.
- at25 eeprom driver bugfix for reported problem
All of these have been in linux-next for a week with no reported
problems"
* tag 'char-misc-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: rtsx_usb: set return value in rsp_buf alloc err path
misc: rtsx_usb: use separate command and response buffers
misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer
eeprom: at25: Rework buggy read splitting
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Merge tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block
Pull io_uring fix from Jens Axboe:
"A single fix for an issue that came up yesterday that we should plug
for -rc6.
This is a regression introduced in this cycle"
* tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block:
io_uring: check that we have a file table when allocating update slots
- Adjust gen_compile_commands.py to the format change of *.mod files
- Remove unused macro in scripts/Makefile.modinst
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Merge tag 'kbuild-fixes-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Adjust gen_compile_commands.py to the format change of *.mod files
- Remove unused macro in scripts/Makefile.modinst
* tag 'kbuild-fixes-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: remove unused cmd_none in scripts/Makefile.modinst
gen_compile_commands: handle multiple lines per .mod file
- Gracefully handle failure to request MMIO resources in the GICv3 driver
- Make a static key static in the Apple AIC driver
- Fix the Xilinx intc driver dependency on OF_ADDRESS
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Merge tag 'irq_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Borislav Petkov:
- Gracefully handle failure to request MMIO resources in the GICv3
driver
- Make a static key static in the Apple AIC driver
- Fix the Xilinx intc driver dependency on OF_ADDRESS
* tag 'irq_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/apple-aic: Make symbol 'use_fast_ipi' static
irqchip/xilinx: Add explicit dependency on OF_ADDRESS
irqchip/gicv3: Handle resource request failure consistently
failures where the hypervisor verifies page tables and uninitialized
data in that range leads to bogus failures in those checks
- Add any potential setup_data entries supplied at boot to the identity
pagetable mappings to prevent kexec kernel boot failures. Usually, this
is not a problem for the normal kernel as those mappings are part of
the initially mapped 2M pages but if kexec gets to allocate the second
kernel somewhere else, those setup_data entries need to be mapped there
too.
- Fix objtool not to discard text references from the __tracepoints
section so that ENDBR validation still works
- Correct the setup_data types limit as it is user-visible, before 5.19
releases
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Merge tag 'x86_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Prepare for and clear .brk early in order to address XenPV guests
failures where the hypervisor verifies page tables and uninitialized
data in that range leads to bogus failures in those checks
- Add any potential setup_data entries supplied at boot to the identity
pagetable mappings to prevent kexec kernel boot failures. Usually,
this is not a problem for the normal kernel as those mappings are
part of the initially mapped 2M pages but if kexec gets to allocate
the second kernel somewhere else, those setup_data entries need to be
mapped there too.
- Fix objtool not to discard text references from the __tracepoints
section so that ENDBR validation still works
- Correct the setup_data types limit as it is user-visible, before 5.19
releases
* tag 'x86_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Fix the setup data types max limit
x86/ibt, objtool: Don't discard text references from tracepoint section
x86/compressed/64: Add identity mappings for setup_data entries
x86: Fix .brk attribute in linker script
x86: Clear .brk area at early boot
x86/xen: Use clear_bss() for Xen PV guests
On laptops like ASUS TUF Gaming A15, which have hotkeys to start Armoury
Crate or AURA Sync, these hotkeys are unavailable. This patch add
mappings for them.
Signed-off-by: Misaka19465 <misaka19465@olddoctor.net>
Link: https://lore.kernel.org/r/20220710113727.281634-1-misaka19465@olddoctor.net
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Commit 98f30d0ecf79 ("ACPI: power: Switch to sys-off handler API")
switched the ACPI sleep code from directly setting the old global
pm_power_off handler to using the new register_sys_off_handler()
mechanism with a priority of SYS_OFF_PRIO_FIRMWARE.
This is a problem when the old global pm_power_off handler would later
be overwritten, such as done by the late_initcall(efi_shutdown_init):
if (efi_poweroff_required())
pm_power_off = efi_power_off;
The old global pm_power_off handler gets run with a priority of
SYS_OFF_PRIO_DEFAULT which is lower then SYS_OFF_PRIO_FIRMWARE, causing
acpi_power_off() to run first, changing the behavior from before
the ACPI sleep code switched to the new register_sys_off_handler().
Switch the registering of efi_power_off over to register_sys_off_handler()
with a priority of SYS_OFF_PRIO_FIRMWARE + 1 so that it will run before
acpi_power_off() as before.
Note since the new sys-off-handler code will try all handlers in
priority order, there is no more need for the EFI code to store and
call the original pm_power_off handler.
Fixes: 98f30d0ecf79 ("ACPI: power: Switch to sys-off handler API")
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220708131412.81078-3-hdegoede@redhat.com
Commit 98f30d0ecf79 ("ACPI: power: Switch to sys-off handler API")
switched the ACPI sleep code from directly setting the old global
pm_power_off handler to using the new register_sys_off_handler()
mechanism with a priority of SYS_OFF_PRIO_FIRMWARE.
This is a problem in special cases where the old global pm_power_off
handler later gets overwritten, such as the Lenovo Tab2 poweroff bugfix
in x86-android-tablets. The old global pm_power_off handler gets run
with a priority of SYS_OFF_PRIO_DEFAULT which is lower then
SYS_OFF_PRIO_FIRMWARE, causing the troublesome ACPI poweroff (which
freezes the system) to run first.
Switch the registering of lenovo_yoga_tab2_830_1050_power_off over to
register_sys_off_handler() with a priority of SYS_OFF_PRIO_FIRMWARE + 1
so that it will run before acpi_power_off() to fix this.
Fixes: 98f30d0ecf79 ("ACPI: power: Switch to sys-off handler API")
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220708131412.81078-2-hdegoede@redhat.com
PMC driver can be supported on a new upcoming platform.
Add this information to the support list.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20220630050324.3780654-2-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
New version of PMC controller will have a separate ACPI id, add that
to the support list.
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20220630050324.3780654-1-Shyam-sundar.S-k@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Commit 65ce9c38326e ("kbuild: move module strip/compression code into
scripts/Makefile.modinst") added this unused code.
Perhaps, I thought cmd_none was useful for CONFIG_MODULE_COMPRESS_NONE,
but I did not use it after all.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Commit in Fixes forgot to change the SETUP_TYPE_MAX definition which
contains the highest valid setup data type.
Correct that.
Fixes: 5ea98e01ab52 ("x86/boot: Add Confidential Computing type to setup_data")
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/ddba81dd-cc92-699c-5274-785396a17fb5@zytor.com
Always run fbdev removal first to remove simpledrm via sysfb_disable().
This clears the internal state.
The later call to drm_aperture_detach_drivers() then does nothing.
Otherwise, with drm_aperture_detach_drivers() running first, the call to
sysfb_disable() uses inconsistent state.
Example backtrace show below:
BUG: KASAN: use-after-free in device_del+0x79/0x5f0
Read of size 8 at addr ffff888108185050 by task systemd-udevd/311
CPU: 0 PID: 311 Comm: systemd-udevd Tainted: G E 5.19.0-rc2-1-default+ #1689
Hardware name: HP ProLiant DL120 G7, BIOS J01 04/21/2011
Call Trace:
device_del+0x79/0x5f0
platform_device_del.part.0+0x19/0xe0
platform_device_unregister+0x1c/0x30
sysfb_disable+0x2d/0x70
remove_conflicting_framebuffers+0x1c/0xf0
remove_conflicting_pci_framebuffers+0x130/0x1a0
drm_aperture_remove_conflicting_pci_framebuffers+0x86/0xb0
mgag200_pci_probe+0x2d/0x140 [mgag200]
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 873eb3b11860 ("fbdev: Disable sysfb device registration when removing conflicting FBs")
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Cc: Changcheng Deng <deng.changcheng@zte.com.cn>
Reviewed-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
CI reported the following splat while running the strace testsuite:
WARNING: CPU: 1 PID: 3570031 at kernel/ptrace.c:272 ptrace_check_attach+0x12e/0x178
CPU: 1 PID: 3570031 Comm: strace Tainted: G OE 5.19.0-20220624.rc3.git0.ee819a77d4e7.300.fc36.s390x #1
Hardware name: IBM 3906 M04 704 (z/VM 7.1.0)
Call Trace:
[<00000000ab4b645a>] ptrace_check_attach+0x132/0x178
([<00000000ab4b6450>] ptrace_check_attach+0x128/0x178)
[<00000000ab4b6cde>] __s390x_sys_ptrace+0x86/0x160
[<00000000ac03fcec>] __do_syscall+0x1d4/0x200
[<00000000ac04e312>] system_call+0x82/0xb0
Last Breaking-Event-Address:
[<00000000ab4ea3c8>] wait_task_inactive+0x98/0x190
This is because JOBCTL_TRACED is set, but the task is not in TASK_TRACED
state. Caused by ptrace_unfreeze_traced() which does:
task->jobctl &= ~TASK_TRACED
but it should be:
task->jobctl &= ~JOBCTL_TRACED
Fixes: 31cae1eaae4f ("sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Tested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- On Power8 bare metal, fix creation of RNG platform devices, which are needed
for the /dev/hwrng driver to probe correctly.
Thanks to: Jason A. Donenfeld, Sachin Sant.
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Merge tag 'powerpc-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
- On Power8 bare metal, fix creation of RNG platform devices, which are
needed for the /dev/hwrng driver to probe correctly.
Thanks to Jason A. Donenfeld, and Sachin Sant.
* tag 'powerpc-5.19-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv: delay rng platform device creation until later in boot
Quite a large batch due to things building up for a couple of weeks but
all driver specific apart from Marek's documentation fix.
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Merge tag 'asoc-fix-v5.19-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v5.19
Quite a large batch due to things building up for a couple of weeks but
all driver specific apart from Marek's documentation fix.
BUG_ON can be triggered from userspace with an element with a large
userdata area. Replace it by length check and return EINVAL instead.
Over time extensions have been growing in size.
Pick a sufficiently old Fixes: tag to propagate this fix.
Fixes: 7d7402642eaf ("netfilter: nf_tables: variable sized set element keys / data")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
If IORING_FILE_INDEX_ALLOC is set asking for an allocated slot, the
helper doesn't check if we actually have a file table or not. The non
alloc path does do that correctly, and returns -ENXIO if we haven't set
one up.
Do the same for the allocated path, avoiding a NULL pointer dereference
when trying to find a free bit.
Fixes: a7c41b4687f5 ("io_uring: let IORING_OP_FILES_UPDATE support choosing fixed file slots")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
TCP packets will be dropped if the segments number in the tx skb
exceeds limitation when sending iperf3 traffic with --zerocopy option.
we make the following changes:
Get nr_frags in nfp_nfdk_tx_maybe_close_block instead of passing from
outside because it will be changed after skb_linearize operation.
Fill maximum dma_len in first tx descriptor to make sure the whole
head is included in the first descriptor.
Fixes: c10d12e3dce8 ("nfp: add support for NFDK data path")
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some Intel processors may use alternate predictors for RETs on
RSB-underflow. This condition may be vulnerable to Branch History
Injection (BHI) and intramode-BTI.
Kernel earlier added spectre_v2 mitigation modes (eIBRS+Retpolines,
eIBRS+LFENCE, Retpolines) which protect indirect CALLs and JMPs against
such attacks. However, on RSB-underflow, RET target prediction may
fallback to alternate predictors. As a result, RET's predicted target
may get influenced by branch history.
A new MSR_IA32_SPEC_CTRL bit (RRSBA_DIS_S) controls this fallback
behavior when in kernel mode. When set, RETs will not take predictions
from alternate predictors, hence mitigating RETs as well. Support for
this is enumerated by CPUID.7.2.EDX[RRSBA_CTRL] (bit2).
For spectre v2 mitigation, when a user selects a mitigation that
protects indirect CALLs and JMPs against BHI and intramode-BTI, set
RRSBA_DIS_S also to protect RETs for RSB-underflow case.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
All the invocations unroll to __x86_return_thunk and this file
must be PIC independent.
This fixes kexec on 64-bit AMD boxes.
[ bp: Fix 32-bit build. ]
Reported-by: Edward Tran <edward.tran@oracle.com>
Reported-by: Awais Tanveer <awais.tanveer@oracle.com>
Suggested-by: Ankur Arora <ankur.a.arora@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
NFPROTO_ARP is expecting to find the ARP header at the network offset.
In the particular case of ARP, HTYPE= field shows the initial bytes of
the ethernet header destination MAC address.
netdev out: IN= OUT=bridge0 MACSRC=c2:76:e5:71:e1:de MACDST=36:b0:4a:e2:72:ea MACPROTO=0806 ARP HTYPE=14000 PTYPE=0x4ae2 OPCODE=49782
NFPROTO_NETDEV egress hook is also expecting to find the IP headers at
the network offset.
Fixes: 35b9395104d5 ("netfilter: add generic ARP packet logger")
Reported-by: Tom Yan <tom.ty89@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Today, the resolution of size axes is not documented. As a result, it's
not clear what the canonical interpretation of this value should be. On
Android, there is a need to calculate the size of the touch ellipse in
physical units (millimeters).
After reviewing linux source, it turned out that most of the existing
usages are already interpreting this value as "units/mm". This
documentation will make it explicit. This will help device
implementations with correctly following the linux specs, and will
ensure that the devices will work on Android without needing further
customized parameters for scaling of major/minor values.
Signed-off-by: Siarhei Vishniakou <svv@google.com>
Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20220520084514.3451193-1-svv@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
On ACPI boards, when we cannot get the GPIOs to do a reset ourselves
if necessary, call acpi_device_fix_up_power() to force the ACPI _PS0
method to run.
On some devices without proper GPIO descriptions this will reset
the touchscreen for us and this may be necessary for us to be able
to communicate to the touchscreen at all.
Specifically on an Aya Neo Next this change will cause the _PS0()
ACPI function to call INIT() which does:
Method (INIT, 0, Serialized)
{
TP_I = 0x00A50000
TP_R = 0x00A50000
Sleep (0x0A)
TP_I = 0x00E50000
Sleep (One)
TP_R = 0x00E50000
Sleep (0x06)
TP_I = 0x00A50000
Sleep (0x3C)
TP_I = 0x00041800
}
On older kernels the ACPI core assumed a power-on was necessary by itself
and would run _PS0 before our probe function runs, which can be seen from
the GPIO pin ctrl registers in /sys/kernel/debug/gpio which match
the above hex values with older kernels.
With newer kernels before this change the GPIO pin ctrl registers do not
match, indicating INIT() has not run and probing the touchscreen fails.
This change makes Linux run _PS0() again fixing the touchscreen not working
on the Aya Neo Next.
Reported-and-tested-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220618210233.208027-1-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Martin Blumenstingl says:
====================
selftests: forwarding: Install two missing tests
For some distributions (e.g. OpenWrt) we don't want to rely on rsync
to copy the tests to the target as some extra dependencies need to be
installed. The Makefile in tools/testing/selftests/net/forwarding
already installs most of the tests.
This series adds the two missing tests to the list of installed tests.
That way a downstream distribution can build a package using this
Makefile (and add dependencies there as needed).
====================
Link: https://lore.kernel.org/r/20220707135532.1783925-1-martin.blumenstingl@googlemail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When using the Makefile from tools/testing/selftests/net/forwarding/
all tests should be installed. Add no_forwarding.sh to the list of
"to be installed tests" where it has been missing so far.
Fixes: 476a4f05d9b83f ("selftests: forwarding: add a no_forwarding.sh test")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When using the Makefile from tools/testing/selftests/net/forwarding/
all tests should be installed. Add local_termination.sh to the list of
"to be installed tests" where it has been missing so far.
Fixes: 90b9566aa5cd3f ("selftests: forwarding: add a test for local_termination.sh")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'fscache-fixes-20220708' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull fscache fixes from David Howells:
- Fix a check in fscache_wait_on_volume_collision() in which the
polarity is reversed. It should complain if a volume is still marked
acquisition-pending after 20s, but instead complains if the mark has
been cleared (ie. the condition has cleared).
Also switch an open-coded test of the ACQUIRE_PENDING volume flag to
use the helper function for consistency.
- Not a fix per se, but neaten the code by using a helper to check for
the DROPPED state.
- Fix cachefiles's support for erofs to only flush requests associated
with a released control file, not all requests.
- Fix a race between one process invalidating an object in the cache
and another process trying to look it up.
* tag 'fscache-fixes-20220708' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
fscache: Fix invalidation/lookup race
cachefiles: narrow the scope of flushed requests when releasing fd
fscache: Introduce fscache_cookie_is_dropped()
fscache: Fix if condition in fscache_wait_on_volume_collision()
Daniel Borkmann says:
====================
bpf 2022-07-08
We've added 3 non-merge commits during the last 2 day(s) which contain
a total of 7 files changed, 40 insertions(+), 24 deletions(-).
The main changes are:
1) Fix cBPF splat triggered by skb not having a mac header, from Eric Dumazet.
2) Fix spurious packet loss in generic XDP when pushing packets out (note
that native XDP is not affected by the issue), from Johan Almbladh.
3) Fix bpf_dynptr_{read,write}() helper signatures with flag argument before
its set in stone as UAPI, from Joanne Koong.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add flags arg to bpf_dynptr_read and bpf_dynptr_write APIs
bpf: Make sure mac_header was set before using it
xdp: Fix spurious packet loss in generic XDP TX path
====================
Link: https://lore.kernel.org/r/20220708213418.19626-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
CI reported the following splat while running the strace testsuite:
[ 3976.640309] WARNING: CPU: 1 PID: 3570031 at kernel/ptrace.c:272 ptrace_check_attach+0x12e/0x178
[ 3976.640391] CPU: 1 PID: 3570031 Comm: strace Tainted: G OE 5.19.0-20220624.rc3.git0.ee819a77d4e7.300.fc36.s390x #1
[ 3976.640410] Hardware name: IBM 3906 M04 704 (z/VM 7.1.0)
[ 3976.640452] Call Trace:
[ 3976.640454] [<00000000ab4b645a>] ptrace_check_attach+0x132/0x178
[ 3976.640457] ([<00000000ab4b6450>] ptrace_check_attach+0x128/0x178)
[ 3976.640460] [<00000000ab4b6cde>] __s390x_sys_ptrace+0x86/0x160
[ 3976.640463] [<00000000ac03fcec>] __do_syscall+0x1d4/0x200
[ 3976.640468] [<00000000ac04e312>] system_call+0x82/0xb0
[ 3976.640470] Last Breaking-Event-Address:
[ 3976.640471] [<00000000ab4ea3c8>] wait_task_inactive+0x98/0x190
This is because JOBCTL_TRACED is set, but the task is not in TASK_TRACED
state. Caused by ptrace_unfreeze_traced() which does:
task->jobctl &= ~TASK_TRACED
but it should be:
task->jobctl &= ~JOBCTL_TRACED
Fixes: 31cae1eaae4f ("sched,signal,ptrace: Rework TASK_TRACED, TASK_STOPPED state")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Link: https://lkml.kernel.org/r/20220706101625.2100298-1-svens@linux.ibm.com
Link: https://lkml.kernel.org/r/YrHA5UkJLornOdCz@li-4a3a4a4c-28e5-11b2-a85c-a8d192c6f089.ibm.com
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2101641
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Tested-by: Linus Torvalds <torvalds@linuxfoundation.org>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
It contains 2 DT fixes:
- one for SAMA5D2 to fix the i2s1 assigned-clock-parents property
- one for kswitch-d10 (LAN966 based) enforcing proper settings
on GPIO pins
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Merge tag 'at91-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes
AT91 fixes for 5.19 #2
It contains 2 DT fixes:
- one for SAMA5D2 to fix the i2s1 assigned-clock-parents property
- one for kswitch-d10 (LAN966 based) enforcing proper settings
on GPIO pins
* tag 'at91-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: dts: at91: sama5d2: Fix typo in i2s1 node
ARM: dts: kswitch-d10: use open drain mode for coma-mode pins
Link: https://lore.kernel.org/r/20220708151621.860339-1-claudiu.beznea@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
wm97xx_remove() returns zero unconditionally. To prepare changing the
prototype for platform remove callbacks to return void, make it explicit
that wm97xx_mfd_remove() always returns zero.
The prototype for wm97xx_remove cannot be changed, as it's also used as
a plain device remove callback.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220708062718.240013-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
