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1,399,042 commits

Author SHA1 Message Date
Raul E Rangel
17b655759e init: Don't proxy console= to earlycon
Today we are proxying the `console=` command line args to the
`param_setup_earlycon()` handler. This is done because the following are
equivalent:

    console=uart[8250],mmio,<addr>[,options]
    earlycon=uart[8250],mmio,<addr>[,options]

Both invocations enable an early `bootconsole`. `console=uartXXXX` is
just an alias for `earlycon=uartXXXX`.

In addition, when `earlycon=` (empty value) or just `earlycon`
(no value) is specified on the command line, we enable the earlycon
`bootconsole` specified by the SPCR table or the DT.

The problem arises when `console=` (empty value) is specified on the
command line. It's intention is to disable the `console`, but what
happens instead is that the SPRC/DT console gets enabled.

This happens because we are proxying the `console=` (empty value)
parameter to the `earlycon` handler. The `earlycon` handler then sees
that the parameter value is empty, so it enables the SPCR/DT
`bootconsole`.

This change makes it so that the `console` or `console=` parameters no
longer enable the SPCR/DT `bootconsole`. I also cleans up the hack in
`main.c` that would forward the `console` parameter to the `earlycon`
handler.

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Tested-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20240911123507.v2.1.Id08823b2f848237ae90ce5c5fa7e027e97c33ad3@changeid
Signed-off-by: Petr Mladek <pmladek@suse.com>
2024-10-01 14:11:39 +02:00
Linus Walleij
80f133387e Merge branch 'ib-thead-th1520' into devel
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:05:16 +02:00
Emil Renner Berthing
bed5cd6f8a pinctrl: Add driver for the T-Head TH1520 SoC
Add pinctrl driver for the T-Head TH1520 RISC-V SoC.

Tested-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
[dfustini: use thead,pad-group to identify the pin controller instance]
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20240930-th1520-pinctrl-v3-2-32cea2bdbecb@tenstorrent.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:04:51 +02:00
Emil Renner Berthing
137ca342ae dt-bindings: pinctrl: Add thead,th1520-pinctrl bindings
Add bindings for the pin controllers on the T-Head TH1520 RISC-V SoC.

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Tested-by: Thomas Bonnefille <thomas.bonnefille@bootlin.com>
Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
[dfustini: add thead,pad-group to select the pin controller instance]
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/20240930-th1520-pinctrl-v3-1-32cea2bdbecb@tenstorrent.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:04:40 +02:00
Daniel Machon
4e778d2ca2 pinctrl: ocelot: add support for lan969x SoC pinctrl
This adds support for lan969x SoC pinctrl, reusing the existing ocelot
driver. There are 66 General Purpose I/O pins that are individually
configurable to multiple interfaces.

Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://lore.kernel.org/20240917-lan969x-pinctrl-v2-2-ea02cbc56831@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Daniel Machon
01be3ac0ab dt-bindings: ocelot: document lan969x-pinctrl
Lan969x is going to reuse the existing Ocelot pinctrl driver - document
that by adding compatible strings for the different SKU's that we
support.

Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/20240917-lan969x-pinctrl-v2-1-ea02cbc56831@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Esben Haabendal
a55222b7a1 pinctrl: freescale: enable use with COMPILE_TEST
Allow compile-testing of i.MX pinctrl drivers using CONFIG_COMPILE_TEST.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-3-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Esben Haabendal
aea2dd7a6f pinctrl: freescale: Use CONFIG_SOC_IMXRT to guard i.MX RT1xxx drivers
This aligns with the use of SOC_IMX* as dependencies for all the other
mach-imx pinctrl drivers. Enabling i.MX RT pinctrl drivers for a kernel
with out i.MX RT SOC support is pointless.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-2-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Esben Haabendal
17d2100189 ARM: imx: Allow user to disable pinctrl
Making pinctrl drivers and subsequently the pinctrl framework
user-controllable, allows building a kernel without this.
While in many (most) cases, this could make the system unbootable, it
does allow building smaller kernels for those situations where picntrl
is not needed.

One such situation is when building a kernel for NXP LS1021A systems,
which does not have run-time controllable pinctrl, so pinctrl framework
and drivers are 100% dead-weight.

Signed-off-by: Esben Haabendal <esben@geanix.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/20240506-imx-pinctrl-optional-v2-1-bdff75085156@geanix.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Nikunj Kela
88dbf374a5 dt-bindings: pinctrl: Add SA8255p TLMM
Add compatible for TLMM block representing support on SA8255p.

SA8255p uses the same TLMM block as SA8775p however the ownership
of pins are split between Firmware VM and Linux VM on SA8255p. For
example, pins used by UART are owned and configured by Firmware VM
while pins used by ethernet are owned and configured by Linux VM.
Therefore, adding a sa8255p specific compatible to mark the difference.

Signed-off-by: Nikunj Kela <quic_nkela@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/20240905200218.3810712-1-quic_nkela@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:41 +02:00
Geert Uytterhoeven
c919ca8617 pinctrl: k210: Make (p)clk local to k210_fpioa_probe()
There were never any users of k210_fpioa_data.clk and
k210_fpioa_data.pclk outside k210_fpioa_probe().

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/77f543046d4d5c19206f829ddcf8e093d3e3f6da.1725440917.git.geert+renesas@glider.be
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:40 +02:00
Sai Krishna Potthuri
4c9e8da4e7 pinctrl: pinctrl-zynqmp: Add support for Versal platform
Add Pinctrl support for Xilinx Versal platform.
Driver checks for firmware support to retrieve the Pin information, if it
is supported then proceed further otherwise it returns error saying
operation not supported. Latest Xilinx Platform Management Firmware must
be used to make use of the Pinctrl driver for Versal platform.

Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Link: https://lore.kernel.org/20240906110113.3154327-4-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:40 +02:00
Sai Krishna Potthuri
86b9ce0a8a firmware: xilinx: Add Pinctrl Get Attribute ID
Add Pinctrl Get Attribute ID to the query ids list.

Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Link: https://lore.kernel.org/20240906110113.3154327-3-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:40 +02:00
Sai Krishna Potthuri
067d9fd7ee dt-bindings: pinctrl: Add support for Xilinx Versal platform
Add Xilinx Versal compatible string and corresponding groups, function and
pins properties to support pin controller features on Versal platform.

Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@amd.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/20240906110113.3154327-2-sai.krishna.potthuri@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:40 +02:00
Ma Ke
b0f0e3f055 pinctrl: stm32: check devm_kasprintf() returned value
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.

Found by code review.

Cc: stable@vger.kernel.org
Fixes: 32c170ff15 ("pinctrl: stm32: set default gpio line names using pin names")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Link: https://lore.kernel.org/20240906100326.624445-1-make24@iscas.ac.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:34 +02:00
Ma Ke
665a58fe66 pinctrl: apple: check devm_kasprintf() returned value
devm_kasprintf() can return a NULL pointer on failure but this returned
value is not checked. Fix this lack and check the returned value.

Found by code review.

Cc: stable@vger.kernel.org
Fixes: a0f160ffcb ("pinctrl: add pinctrl/GPIO driver for Apple SoCs")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/20240905020917.356534-1-make24@iscas.ac.cn
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2024-10-01 14:03:34 +02:00
Mark Rutland
b3d6121eae arm64: fix selection of HAVE_DYNAMIC_FTRACE_WITH_ARGS
The Kconfig logic to select HAVE_DYNAMIC_FTRACE_WITH_ARGS is incorrect,
and HAVE_DYNAMIC_FTRACE_WITH_ARGS may be selected when it is not
supported by the combination of clang and GNU LD, resulting in link-time
errors:

  aarch64-linux-gnu-ld: .init.data has both ordered [`__patchable_function_entries' in init/main.o] and unordered [`.meminit.data' in mm/sparse.o] sections
  aarch64-linux-gnu-ld: final link failed: bad value

... which can be seen when building with CC=clang using a binutils
version older than 2.36.

We originally fixed that in commit:

  45bd895180 ("arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang")

... by splitting the "select HAVE_DYNAMIC_FTRACE_WITH_ARGS" statement
into separete CLANG_SUPPORTS_DYNAMIC_FTRACE_WITH_ARGS and
GCC_SUPPORTS_DYNAMIC_FTRACE_WITH_ARGS options which individually select
HAVE_DYNAMIC_FTRACE_WITH_ARGS.

Subsequently we accidentally re-introduced the common "select
HAVE_DYNAMIC_FTRACE_WITH_ARGS" statement in commit:

  26299b3f6b ("ftrace: arm64: move from REGS to ARGS")

... then we removed it again in commit:

  68a63a412d ("arm64: Fix build with CC=clang, CONFIG_FTRACE=y and CONFIG_STACK_TRACER=y")

... then we accidentally re-introduced it again in commit:

  2aa6ac0351 ("arm64: ftrace: Add direct call support")

Fix this for the third time by keeping the unified select statement and
making this depend onf either GCC_SUPPORTS_DYNAMIC_FTRACE_WITH_ARGS or
CLANG_SUPPORTS_DYNAMIC_FTRACE_WITH_ARGS. This is more consistent with
usual style and less likely to go wrong in future.

Fixes: 2aa6ac0351 ("arm64: ftrace: Add direct call support")
Cc: <stable@vger.kernel.org> # 6.4.x
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240930120448.3352564-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-10-01 12:47:19 +01:00
Mark Rutland
081eb7932c arm64: errata: Expand speculative SSBS workaround once more
A number of Arm Ltd CPUs suffer from errata whereby an MSR to the SSBS
special-purpose register does not affect subsequent speculative
instructions, permitting speculative store bypassing for a window of
time.

We worked around this for a number of CPUs in commits:

* 7187bb7d0b ("arm64: errata: Add workaround for Arm errata 3194386 and 3312417")
* 75b3c43eab ("arm64: errata: Expand speculative SSBS workaround")
* 145502cac7ea70b5 ("arm64: errata: Expand speculative SSBS workaround (again)")

Since then, a (hopefully final) batch of updates have been published,
with two more affected CPUs. For the affected CPUs the existing
mitigation is sufficient, as described in their respective Software
Developer Errata Notice (SDEN) documents:

* Cortex-A715 (MP148) SDEN v15.0, erratum 3456084
  https://developer.arm.com/documentation/SDEN-2148827/1500/

* Neoverse-N3 (MP195) SDEN v5.0, erratum 3456111
  https://developer.arm.com/documentation/SDEN-3050973/0500/

Enable the existing mitigation by adding the relevant MIDRs to
erratum_spec_ssbs_list, and update silicon-errata.rst and the
Kconfig text accordingly.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240930111705.3352047-3-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-10-01 12:46:55 +01:00
Mark Rutland
924725707d arm64: cputype: Add Neoverse-N3 definitions
Add cputype definitions for Neoverse-N3. These will be used for errata
detection in subsequent patches.

These values can be found in Table A-261 ("MIDR_EL1 bit descriptions")
in issue 02 of the Neoverse-N3 TRM, which can be found at:

  https://developer.arm.com/documentation/107997/0000/?lang=en

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20240930111705.3352047-2-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-10-01 12:46:54 +01:00
Mark Rutland
9abe390e68 arm64: Force position-independent veneers
Certain portions of code always need to be position-independent
regardless of CONFIG_RELOCATABLE, including code which is executed in an
idmap or which is executed before relocations are applied. In some
kernel configurations the LLD linker generates position-dependent
veneers for such code, and when executed these result in early boot-time
failures.

Marc Zyngier encountered a boot failure resulting from this when
building a (particularly cursed) configuration with LLVM, as he reported
to the list:

  https://lore.kernel.org/linux-arm-kernel/86wmjwvatn.wl-maz@kernel.org/

In Marc's kernel configuration, the .head.text and .rodata.text sections
end up more than 128MiB apart, requiring a veneer to branch between the
two:

| [mark@lakrids:~/src/linux]% usekorg 14.1.0 aarch64-linux-objdump -t vmlinux | grep -w _text
| ffff800080000000 g       .head.text     0000000000000000 _text
| [mark@lakrids:~/src/linux]% usekorg 14.1.0 aarch64-linux-objdump -t vmlinux | grep -w primary_entry
| ffff8000889df0e0 g       .rodata.text   000000000000006c primary_entry,

... consequently, LLD inserts a position-dependent veneer for the branch
from _stext (in .head.text) to primary_entry (in .rodata.text):

| ffff800080000000 <_text>:
| ffff800080000000:       fa405a4d        ccmp    x18, #0x0, #0xd, pl     // pl = nfrst
| ffff800080000004:       14003fff        b       ffff800080010000 <__AArch64AbsLongThunk_primary_entry>
...
| ffff800080010000 <__AArch64AbsLongThunk_primary_entry>:
| ffff800080010000:       58000050        ldr     x16, ffff800080010008 <__AArch64AbsLongThunk_primary_entry+0x8>
| ffff800080010004:       d61f0200        br      x16
| ffff800080010008:       889df0e0        .word   0x889df0e0
| ffff80008001000c:       ffff8000        .word   0xffff8000

... and as this is executed early in boot before the kernel is mapped in
TTBR1 this results in a silent boot failure.

Fix this by passing '--pic-veneer' to the linker, which will cause the
linker to use position-independent veneers, e.g.

| ffff800080000000 <_text>:
| ffff800080000000:       fa405a4d        ccmp    x18, #0x0, #0xd, pl     // pl = nfrst
| ffff800080000004:       14003fff        b       ffff800080010000 <__AArch64ADRPThunk_primary_entry>
...
| ffff800080010000 <__AArch64ADRPThunk_primary_entry>:
| ffff800080010000:       f004e3f0        adrp    x16, ffff800089c8f000 <__idmap_text_start>
| ffff800080010004:       91038210        add     x16, x16, #0xe0
| ffff800080010008:       d61f0200        br      x16

I've opted to pass '--pic-veneer' unconditionally, as:

* In addition to solving the boot failure, these sequences are generally
  nicer as they require fewer instructions and don't need to perform
  data accesses.

* While the position-independent veneer sequences have a limited +/-2GiB
  range, this is not a new restriction. Even kernels built with
  CONFIG_RELOCATABLE=n are limited to 2GiB in size as we have several
  structues using 32-bit relative offsets and PPREL32 relocations, which
  are similarly limited to +/-2GiB in range. These include extable
  entries, jump table entries, and alt_instr entries.

* GNU LD defaults to using position-independent veneers, and supports
  the same '--pic-veneer' option, so this change is not expected to
  adversely affect GNU LD.

I've tested with GNU LD 2.30 to 2.42 inclusive and LLVM 13.0.1 to 19.1.0
inclusive, using the kernel.org binaries from:

* https://mirrors.edge.kernel.org/pub/tools/crosstool/
* https://mirrors.edge.kernel.org/pub/tools/llvm/

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Marc Zyngier <maz@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Will Deacon <will@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240927101838.3061054-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2024-10-01 12:46:27 +01:00
Mark Brown
e8d2b5bd60
spi: spi-fsl-lpspi: Some calculation improvements
Merge series from Stefan Wahren <wahrenst@gmx.net>:

This series contains some improvements for spi-fsl-lpspi which are
related to the calculations within fsl_lpspi_set_bitrate.
2024-10-01 12:16:13 +01:00
Shuming Fan
a34b9d812d
ASoC: rt1320: fix the range of patch code address
>> sound/soc/codecs/rt1320-sdw.c:564:14:
warning: result of comparison of constant 4295491583 with expression of type 'unsigned int' is always false
[-Wtautological-constant-out-of-range-compare]
     564 |                                 if (addr > 0x10007ffff || addr < 0x10007000) {
         |                                     ~~~~ ^ ~~~~~~~~~~~
   1 warning generated.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410011159.InLKFd40-lkp@intel.com/
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://patch.msgid.link/20241001071836.3719162-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-01 12:14:44 +01:00
Alexander Dahl
162d9b5d23
spi: atmel-quadspi: Fix wrong register value written to MR
aq->mr should go to MR, nothing else.

Fixes: 329ca3eed4 ("spi: atmel-quadspi: Avoid overwriting delay register settings")
Signed-off-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/linux-spi/20240926-macarena-wincing-7c4995487a29@thorsis.com/T/#u
Link: https://patch.msgid.link/20240926090356.105789-1-ada@thorsis.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-01 12:07:53 +01:00
Charles Keepax
cccb586f51
ASoC: Intel: soc-acpi: arl: Fix some missing empty terminators
Fixes: c052406765 ("ASoC: Intel: soc-acpi: arl: Add match entries for new cs42l43 laptops")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20241001061738.34854-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-01 12:07:47 +01:00
Bard Liao
5afc29ba44
ASoC: Intel: soc-acpi-intel-rpl-match: add missing empty item
There is no links_num in struct snd_soc_acpi_mach {}, and we test
!link->num_adr as a condition to end the loop in hda_sdw_machine_select().
So an empty item in struct snd_soc_acpi_link_adr array is required.

Fixes: 65ab45b906 ("ASoC: Intel: soc-acpi: Add match entries for some cs42l43 laptops")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20241001061738.34854-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-01 12:07:46 +01:00
Anton Danilov
c4a14f6d9d ipv4: ip_gre: Fix drops of small packets in ipgre_xmit
Regression Description:

Depending on the options specified for the GRE tunnel device, small
packets may be dropped. This occurs because the pskb_network_may_pull
function fails due to the packet's insufficient length.

For example, if only the okey option is specified for the tunnel device,
original (before encapsulation) packets smaller than 28 bytes (including
the IPv4 header) will be dropped. This happens because the required
length is calculated relative to the network header, not the skb->head.

Here is how the required length is computed and checked:

* The pull_len variable is set to 28 bytes, consisting of:
  * IPv4 header: 20 bytes
  * GRE header with Key field: 8 bytes

* The pskb_network_may_pull function adds the network offset, shifting
the checkable space further to the beginning of the network header and
extending it to the beginning of the packet. As a result, the end of
the checkable space occurs beyond the actual end of the packet.

Instead of ensuring that 28 bytes are present in skb->head, the function
is requesting these 28 bytes starting from the network header. For small
packets, this requested length exceeds the actual packet size, causing
the check to fail and the packets to be dropped.

This issue affects both locally originated and forwarded packets in
DMVPN-like setups.

How to reproduce (for local originated packets):

  ip link add dev gre1 type gre ikey 1.9.8.4 okey 1.9.8.4 \
          local <your-ip> remote 0.0.0.0

  ip link set mtu 1400 dev gre1
  ip link set up dev gre1
  ip address add 192.168.13.1/24 dev gre1
  ip neighbor add 192.168.13.2 lladdr <remote-ip> dev gre1
  ping -s 1374 -c 10 192.168.13.2
  tcpdump -vni gre1
  tcpdump -vni <your-ext-iface> 'ip proto 47'
  ip -s -s -d link show dev gre1

Solution:

Use the pskb_may_pull function instead the pskb_network_may_pull.

Fixes: 80d875cfc9 ("ipv4: ip_gre: Avoid skb_pull() failure in ipgre_xmit()")
Signed-off-by: Anton Danilov <littlesmilingcloud@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240924235158.106062-1-littlesmilingcloud@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 13:04:03 +02:00
Dmitry Torokhov
a3f9a74d21 Revert "Input: Add driver for PixArt PS/2 touchpad"
This reverts commit 740ff03d72 because
current PixArt detection is too greedy and claims devices that are
not PixArt.

Reported-by: Benjamin Tissoires <bentiss@kernel.org>
Closes: https://bugzilla.redhat.com/show_bug.cgi?id=2314756
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-10-01 03:54:05 -07:00
Shenwei Wang
4c1b56671b net: stmmac: dwmac4: extend timeout for VLAN Tag register busy bit check
Increase the timeout for checking the busy bit of the VLAN Tag register
from 10µs to 500ms. This change is necessary to accommodate scenarios
where Energy Efficient Ethernet (EEE) is enabled.

Overnight testing revealed that when EEE is active, the busy bit can
remain set for up to approximately 300ms. The new 500ms timeout provides
a safety margin.

Fixes: ed64639bc1 ("net: stmmac: Add support for VLAN Rx filtering")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Link: https://patch.msgid.link/20240924205424.573913-1-shenwei.wang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 12:35:55 +02:00
Colin Ian King
44badc908f tcp: Fix spelling mistake "emtpy" -> "empty"
There is a spelling mistake in a WARN_ONCE message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://patch.msgid.link/20240924080545.1324962-1-colin.i.king@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 12:06:07 +02:00
Shen Lichuan
8f04019d71 firewire: Correct some typos
Fixed some confusing typos that were currently identified with codespell,
the details are as follows:

drivers/firewire/core-topology.c:59: containted ==> contained
drivers/firewire/core.h:83: reenable ==> re-enable
drivers/firewire/ohci.c:1387: apppends ==> appends
drivers/firewire/ohci.c:2216: superceded ==> superseded
drivers/firewire/ohci.c:2617: litte ==> little

Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Link: https://lore.kernel.org/r/20240930023344.7535-1-shenlichuan@vivo.com
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
2024-10-01 19:02:57 +09:00
Omar Sandoval
0d24852bd7
iov_iter: fix advancing slot in iter_folioq_get_pages()
iter_folioq_get_pages() decides to advance to the next folioq slot when
it has reached the end of the current folio. However, it is checking
offset, which is the beginning of the current part, instead of
iov_offset, which is adjusted to the end of the current part, so it
doesn't advance the slot when it's supposed to. As a result, on the next
iteration, we'll use the same folio with an out-of-bounds offset and
return an unrelated page.

This manifested as various crashes and other failures in 9pfs in drgn's
VM testing setup and BPF CI.

Fixes: db0aa2e956 ("mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios")
Link: https://lore.kernel.org/linux-fsdevel/20240923183432.1876750-1-chantr4@gmail.com/
Tested-by: Manu Bretelle <chantr4@gmail.com>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Link: https://lore.kernel.org/r/cbaf141ba6c0e2e209717d02746584072844841a.1727722269.git.osandov@fb.com
Tested-by: Eduard Zingerman <eddyz87@gmail.com>
Tested-by: Leon Romanovsky <leon@kernel.org>
Tested-by: Joey Gouly <joey.gouly@arm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
2024-10-01 11:49:57 +02:00
Pu Lehui
c625154993
drivers/perf: riscv: Align errno for unsupported perf event
RISC-V perf driver does not yet support PERF_TYPE_BREAKPOINT. It would
be more appropriate to return -EOPNOTSUPP or -ENOENT for this type in
pmu_sbi_event_map. Considering that other implementations return -ENOENT
for unsupported perf types, let's synchronize this behavior. Due to this
reason, a riscv bpf testcases perf_skip fail. Meanwhile, align that
behavior to the rest of proper place.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Fixes: 9b3e150e31 ("RISC-V: Add a simple platform driver for RISC-V legacy perf")
Fixes: 16d3b1af09 ("perf: RISC-V: Check standard event availability")
Fixes: e999143459 ("RISC-V: Add perf platform driver based on SBI PMU extension")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240831071520.1630360-1-pulehui@huaweicloud.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-10-01 02:47:39 -07:00
Paolo Abeni
23e19f2473 Merge branch 'net-two-fixes-for-qdisc_pkt_len_init'
Eric Dumazet says:

====================
net: two fixes for qdisc_pkt_len_init()

Inspired by one syzbot report.

At least one qdisc (fq_codel) depends on qdisc_skb_cb(skb)->pkt_len
having a sane value (not zero)

With the help of af_packet, syzbot was able to fool qdisc_pkt_len_init()
to precisely set qdisc_skb_cb(skb)->pkt_len to zero.

First patch fixes this issue.

Second one (a separate one to help future bisections) adds
more sanity check to SKB_GSO_DODGY users.
====================

Link: https://patch.msgid.link/20240924150257.1059524-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:47:08 +02:00
Eric Dumazet
ab9a9a9e96 net: add more sanity checks to qdisc_pkt_len_init()
One path takes care of SKB_GSO_DODGY, assuming
skb->len is bigger than hdr_len.

virtio_net_hdr_to_skb() does not fully dissect TCP headers,
it only make sure it is at least 20 bytes.

It is possible for an user to provide a malicious 'GSO' packet,
total length of 80 bytes.

- 20 bytes of IPv4 header
- 60 bytes TCP header
- a small gso_size like 8

virtio_net_hdr_to_skb() would declare this packet as a normal
GSO packet, because it would see 40 bytes of payload,
bigger than gso_size.

We need to make detect this case to not underflow
qdisc_skb_cb(skb)->pkt_len.

Fixes: 1def9238d4 ("net_sched: more precise pkt_len computation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:47:05 +02:00
Eric Dumazet
c20029db28 net: avoid potential underflow in qdisc_pkt_len_init() with UFO
After commit 7c6d2ecbda ("net: be more gentle about silly gso
requests coming from user") virtio_net_hdr_to_skb() had sanity check
to detect malicious attempts from user space to cook a bad GSO packet.

Then commit cf9acc90c8 ("net: virtio_net_hdr_to_skb: count
transport header in UFO") while fixing one issue, allowed user space
to cook a GSO packet with the following characteristic :

IPv4 SKB_GSO_UDP, gso_size=3, skb->len = 28.

When this packet arrives in qdisc_pkt_len_init(), we end up
with hdr_len = 28 (IPv4 header + UDP header), matching skb->len

Then the following sets gso_segs to 0 :

gso_segs = DIV_ROUND_UP(skb->len - hdr_len,
                        shinfo->gso_size);

Then later we set qdisc_skb_cb(skb)->pkt_len to back to zero :/

qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len;

This leads to the following crash in fq_codel [1]

qdisc_pkt_len_init() is best effort, we only want an estimation
of the bytes sent on the wire, not crashing the kernel.

This patch is fixing this particular issue, a following one
adds more sanity checks for another potential bug.

[1]
[   70.724101] BUG: kernel NULL pointer dereference, address: 0000000000000000
[   70.724561] #PF: supervisor read access in kernel mode
[   70.724561] #PF: error_code(0x0000) - not-present page
[   70.724561] PGD 10ac61067 P4D 10ac61067 PUD 107ee2067 PMD 0
[   70.724561] Oops: Oops: 0000 [#1] SMP NOPTI
[   70.724561] CPU: 11 UID: 0 PID: 2163 Comm: b358537762 Not tainted 6.11.0-virtme #991
[   70.724561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   70.724561] RIP: 0010:fq_codel_enqueue (net/sched/sch_fq_codel.c:120 net/sched/sch_fq_codel.c:168 net/sched/sch_fq_codel.c:230) sch_fq_codel
[ 70.724561] Code: 24 08 49 c1 e1 06 44 89 7c 24 18 45 31 ed 45 31 c0 31 ff 89 44 24 14 4c 03 8b 90 01 00 00 eb 04 39 ca 73 37 4d 8b 39 83 c7 01 <49> 8b 17 49 89 11 41 8b 57 28 45 8b 5f 34 49 c7 07 00 00 00 00 49
All code
========
   0:	24 08                	and    $0x8,%al
   2:	49 c1 e1 06          	shl    $0x6,%r9
   6:	44 89 7c 24 18       	mov    %r15d,0x18(%rsp)
   b:	45 31 ed             	xor    %r13d,%r13d
   e:	45 31 c0             	xor    %r8d,%r8d
  11:	31 ff                	xor    %edi,%edi
  13:	89 44 24 14          	mov    %eax,0x14(%rsp)
  17:	4c 03 8b 90 01 00 00 	add    0x190(%rbx),%r9
  1e:	eb 04                	jmp    0x24
  20:	39 ca                	cmp    %ecx,%edx
  22:	73 37                	jae    0x5b
  24:	4d 8b 39             	mov    (%r9),%r15
  27:	83 c7 01             	add    $0x1,%edi
  2a:*	49 8b 17             	mov    (%r15),%rdx		<-- trapping instruction
  2d:	49 89 11             	mov    %rdx,(%r9)
  30:	41 8b 57 28          	mov    0x28(%r15),%edx
  34:	45 8b 5f 34          	mov    0x34(%r15),%r11d
  38:	49 c7 07 00 00 00 00 	movq   $0x0,(%r15)
  3f:	49                   	rex.WB

Code starting with the faulting instruction
===========================================
   0:	49 8b 17             	mov    (%r15),%rdx
   3:	49 89 11             	mov    %rdx,(%r9)
   6:	41 8b 57 28          	mov    0x28(%r15),%edx
   a:	45 8b 5f 34          	mov    0x34(%r15),%r11d
   e:	49 c7 07 00 00 00 00 	movq   $0x0,(%r15)
  15:	49                   	rex.WB
[   70.724561] RSP: 0018:ffff95ae85e6fb90 EFLAGS: 00000202
[   70.724561] RAX: 0000000002000000 RBX: ffff95ae841de000 RCX: 0000000000000000
[   70.724561] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
[   70.724561] RBP: ffff95ae85e6fbf8 R08: 0000000000000000 R09: ffff95b710a30000
[   70.724561] R10: 0000000000000000 R11: bdf289445ce31881 R12: ffff95ae85e6fc58
[   70.724561] R13: 0000000000000000 R14: 0000000000000040 R15: 0000000000000000
[   70.724561] FS:  000000002c5c1380(0000) GS:ffff95bd7fcc0000(0000) knlGS:0000000000000000
[   70.724561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.724561] CR2: 0000000000000000 CR3: 000000010c568000 CR4: 00000000000006f0
[   70.724561] Call Trace:
[   70.724561]  <TASK>
[   70.724561] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434)
[   70.724561] ? page_fault_oops (arch/x86/mm/fault.c:715)
[   70.724561] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:147 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539)
[   70.724561] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:623)
[   70.724561] ? fq_codel_enqueue (net/sched/sch_fq_codel.c:120 net/sched/sch_fq_codel.c:168 net/sched/sch_fq_codel.c:230) sch_fq_codel
[   70.724561] dev_qdisc_enqueue (net/core/dev.c:3784)
[   70.724561] __dev_queue_xmit (net/core/dev.c:3880 (discriminator 2) net/core/dev.c:4390 (discriminator 2))
[   70.724561] ? irqentry_enter (kernel/entry/common.c:237)
[   70.724561] ? sysvec_apic_timer_interrupt (./arch/x86/include/asm/hardirq.h:74 (discriminator 2) arch/x86/kernel/apic/apic.c:1043 (discriminator 2) arch/x86/kernel/apic/apic.c:1043 (discriminator 2))
[   70.724561] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:58 (discriminator 4))
[   70.724561] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702)
[   70.724561] ? virtio_net_hdr_to_skb.constprop.0 (./include/linux/virtio_net.h:129 (discriminator 1))
[   70.724561] packet_sendmsg (net/packet/af_packet.c:3145 (discriminator 1) net/packet/af_packet.c:3177 (discriminator 1))
[   70.724561] ? _raw_spin_lock_bh (./arch/x86/include/asm/atomic.h:107 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:2170 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:1302 (discriminator 4) ./include/asm-generic/qspinlock.h:111 (discriminator 4) ./include/linux/spinlock.h:187 (discriminator 4) ./include/linux/spinlock_api_smp.h:127 (discriminator 4) kernel/locking/spinlock.c:178 (discriminator 4))
[   70.724561] ? netdev_name_node_lookup_rcu (net/core/dev.c:325 (discriminator 1))
[   70.724561] __sys_sendto (net/socket.c:730 (discriminator 1) net/socket.c:745 (discriminator 1) net/socket.c:2210 (discriminator 1))
[   70.724561] ? __sys_setsockopt (./include/linux/file.h:34 net/socket.c:2355)
[   70.724561] __x64_sys_sendto (net/socket.c:2222 (discriminator 1) net/socket.c:2218 (discriminator 1) net/socket.c:2218 (discriminator 1))
[   70.724561] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1))
[   70.724561] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   70.724561] RIP: 0033:0x41ae09

Fixes: cf9acc90c8 ("net: virtio_net_hdr_to_skb: count transport header in UFO")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jonathan Davies <jonathan.davies@nutanix.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Jonathan Davies <jonathan.davies@nutanix.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:47:05 +02:00
Roger Quadros
e9d591b16c net: ethernet: ti: cpsw_ale: Fix warning on some platforms
The number of register fields cannot be assumed to be ALE_FIELDS_MAX
as some platforms can have lesser fields.

Solve this by embedding the actual number of fields available
in platform data and use that instead of ALE_FIELDS_MAX.

Gets rid of the below warning on BeagleBone Black

[    1.007735] WARNING: CPU: 0 PID: 33 at drivers/base/regmap/regmap.c:1208 regmap_field_init+0x88/0x9c
[    1.007802] invalid empty mask defined
[    1.007812] Modules linked in:
[    1.007842] CPU: 0 UID: 0 PID: 33 Comm: kworker/u4:3 Not tainted 6.11.0-01459-g508403ab7b74-dirty #840
[    1.007867] Hardware name: Generic AM33XX (Flattened Device Tree)
[    1.007890] Workqueue: events_unbound deferred_probe_work_func
[    1.007935] Call trace:
[    1.007957]  unwind_backtrace from show_stack+0x10/0x14
[    1.007999]  show_stack from dump_stack_lvl+0x50/0x64
[    1.008033]  dump_stack_lvl from __warn+0x70/0x124
[    1.008077]  __warn from warn_slowpath_fmt+0x194/0x1a8
[    1.008113]  warn_slowpath_fmt from regmap_field_init+0x88/0x9c
[    1.008154]  regmap_field_init from devm_regmap_field_alloc+0x48/0x64
[    1.008193]  devm_regmap_field_alloc from cpsw_ale_create+0xfc/0x320
[    1.008251]  cpsw_ale_create from cpsw_init_common+0x214/0x354
[    1.008286]  cpsw_init_common from cpsw_probe+0x4ac/0xb88

Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Closes: https://lore.kernel.org/netdev/CAMuHMdUf-tKRDzkz2_m8qdFTFutefddU0NTratVrEjRTzA3yQQ@mail.gmail.com/
Fixes: 11cbcfeaa7 ("net: ethernet: ti: cpsw_ale: use regfields for number of Entries and Policers")
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240924-am65-cpsw-multi-rx-fix-v1-1-0ca3fa9a1398@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:34:41 +02:00
Geert Uytterhoeven
1910bd470a net: microchip: Make FDMA config symbol invisible
There is no need to ask the user about enabling Microchip FDMA
functionality, as all drivers that use it select the FDMA symbol.
Hence make the symbol invisible, unless when compile-testing.

Fixes: 30e48a75df ("net: microchip: add FDMA library")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Daniel Machon <daniel.machon@microchip.com>
Link: https://patch.msgid.link/8e2bcd8899c417a962b7ee3f75b29f35b25d7933.1727171879.git.geert+renesas@glider.be
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:31:43 +02:00
Jani Nikula
ff35237de5 drm/xe/compat: remove unused i915_gpu_error.h
The last user of the compat header was removed in commit d6b933912d
("drm/i915/dmc: convert intel_dmc_print_error_state() to drm_printer").

Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930164052.3862911-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-10-01 12:30:03 +03:00
Dhruva Gole
53205a7903 dt-bindings: opp: operating-points-v2-ti-cpu: Describe opp-supported-hw
It seems like we missed migrating the complete information from the old
DT binding where we had described what the opp-supported-hw is supposed
to describe. Hence, bring back the description from the previous binding
to the current one along with a bit more context on what the values are
supposed to be.

Fixes: e576a9a860 ("dt-bindings: cpufreq: Convert ti-cpufreq to json schema")
Signed-off-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2024-10-01 14:57:08 +05:30
Csókás, Bence
d9335d0232 net: fec: Reload PTP registers after link-state change
On link-state change, the controller gets reset,
which clears all PTP registers, including PHC time,
calibrated clock correction values etc. For correct
IEEE 1588 operation we need to restore these after
the reset.

Fixes: 6605b730c0 ("FEC: Add time stamping code and a PTP hardware clock")
Signed-off-by: Csókás, Bence <csokas.bence@prolan.hu>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20240924093705.2897329-2-csokas.bence@prolan.hu
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:21:12 +02:00
Csókás, Bence
a1477dc87d net: fec: Restart PPS after link state change
On link state change, the controller gets reset,
causing PPS to drop out. Re-enable PPS if it was
enabled before the controller reset.

Fixes: 6605b730c0 ("FEC: Add time stamping code and a PTP hardware clock")
Signed-off-by: Csókás, Bence <csokas.bence@prolan.hu>
Link: https://patch.msgid.link/20240924093705.2897329-1-csokas.bence@prolan.hu
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-01 11:21:12 +02:00
Konstantin Komarov
48dbc12783
fs/ntfs3: Format output messages like others fs in kernel
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:09 +03:00
Konstantin Komarov
031d6f6082
fs/ntfs3: Additional check in ntfs_file_release
Reported-by: syzbot+8c652f14a0fde76ff11d@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:08 +03:00
Konstantin Komarov
a33fb016e4
fs/ntfs3: Fix general protection fault in run_is_mapped_full
Fixed deleating of a non-resident attribute in ntfs_create_inode()
rollback.

Reported-by: syzbot+9af29acd8f27fbce94bc@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:08 +03:00
Konstantin Komarov
090f612756
fs/ntfs3: Sequential field availability check in mi_enum_attr()
The code is slightly reformatted to consistently check field availability
without duplication.

Fixes: 556bdf27c2 ("ntfs3: Add bounds checking to mi_enum_attr()")
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:07 +03:00
Konstantin Komarov
d178944db3
fs/ntfs3: Additional check in ni_clear()
Checking of NTFS_FLAGS_LOG_REPLAYING added to prevent access to
uninitialized bitmap during replay process.

Reported-by: syzbot+3bfd2cc059ab93efcdb4@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:07 +03:00
Konstantin Komarov
03b097099e
fs/ntfs3: Fix possible deadlock in mi_read
Mutex lock with another subclass used in ni_lock_dir().

Reported-by: syzbot+bc7ca0ae4591cb2550f9@syzkaller.appspotmail.com
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:06 +03:00
Diogo Jahchan Koike
589996bf8c
ntfs3: Change to non-blocking allocation in ntfs_d_hash
d_hash is done while under "rcu-walk" and should not sleep.
__get_name() allocates using GFP_KERNEL, having the possibility
to sleep when under memory pressure. Change the allocation to
GFP_NOWAIT.

Reported-by: syzbot+7f71f79bbfb4427b00e1@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=7f71f79bbfb4427b00e1
Fixes: d392e85fd1 ("fs/ntfs3: Fix the format of the "nocase" mount option")
Signed-off-by: Diogo Jahchan Koike <djahchankoike@gmail.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
2024-10-01 12:19:06 +03:00
Dr. David Alan Gilbert
bdd6baf740
fs/ntfs3: Remove unused al_delete_le
'al_delete_le' was added by:
Commit be71b5cba2 ("fs/ntfs3: Add attrib operations")

but has remained unused; there is an al_remove_le which seems
to be being used instead.

Remove 'al_delete_le'.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
2024-10-01 12:19:05 +03:00
Ankit Nautiyal
9949bf7b02 drm/i915/intel_dp: Add support for forcing ultrajoiner
Allow forcing ultrajoiner through debugfs.

v2: Minor refactoring of switch case logic. (Ville)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240930163549.416410-14-ankit.k.nautiyal@intel.com
2024-10-01 14:34:56 +05:30