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Currently, in Spectrum-2 and above, time stamps are extracted from the CQE
into the time stamp fields in 'struct mlxsw_skb_cb', only when the CQE
time stamp type is UTC. The time stamps are read directly from the CQE and
software can get the time stamp in UTC format using CQEv2.
From Spectrum-4, the time stamps that are read from the CQE are allowed
to be also from MIRROR_UTC type.
Therefore, we get a warning [1] from the driver that the time stamp fields
were not set, when LLDP control packet is sent.
Allow the time stamp type to be MIRROR_UTC and set the time stamp in this
case as well.
[1]
WARNING: CPU: 11 PID: 0 at drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c:1409 mlxsw_sp2_ptp_hwtstamp_fill+0x1f/0x70 [mlxsw_spectrum]
[...]
Call Trace:
<IRQ>
mlxsw_sp2_ptp_receive+0x3c/0x80 [mlxsw_spectrum]
mlxsw_core_skb_receive+0x119/0x190 [mlxsw_core]
mlxsw_pci_cq_tasklet+0x3c9/0x780 [mlxsw_pci]
tasklet_action_common.constprop.0+0x9f/0x110
__do_softirq+0xbb/0x296
irq_exit_rcu+0x79/0xa0
common_interrupt+0x86/0xa0
</IRQ>
<TASK>
Fixes: 4735402173 ("mlxsw: spectrum: Extend to support Spectrum-4 ASIC")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/bcef4d044ef608a4e258d33a7ec0ecd91f480db5.1692268427.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are two network devices(veth1 and veth3) in ns1, and ipvlan1 with
L3S mode and ipvlan2 with L2 mode are created based on them as
figure (1). In this case, ipvlan_register_nf_hook() will be called to
register nf hook which is needed by ipvlans in L3S mode in ns1 and value
of ipvl_nf_hook_refcnt is set to 1.
(1)
ns1 ns2
------------ ------------
veth1--ipvlan1 (L3S)
veth3--ipvlan2 (L2)
(2)
ns1 ns2
------------ ------------
veth1--ipvlan1 (L3S)
ipvlan2 (L2) veth3
| |
|------->-------->--------->--------
migrate
When veth3 migrates from ns1 to ns2 as figure (2), veth3 will register in
ns2 and calls call_netdevice_notifiers with NETDEV_REGISTER event:
dev_change_net_namespace
call_netdevice_notifiers
ipvlan_device_event
ipvlan_migrate_l3s_hook
ipvlan_register_nf_hook(newnet) (I)
ipvlan_unregister_nf_hook(oldnet) (II)
In function ipvlan_migrate_l3s_hook(), ipvl_nf_hook_refcnt in ns1 is not 0
since veth1 with ipvlan1 still in ns1, (I) and (II) will be called to
register nf_hook in ns2 and unregister nf_hook in ns1. As a result,
ipvl_nf_hook_refcnt in ns1 is decreased incorrectly and this in ns2
is increased incorrectly. When the second net namespace is removed, a
reference count leak warning in ipvlan_ns_exit() will be triggered.
This patch add a check before ipvlan_migrate_l3s_hook() is called. The
warning can be triggered as follows:
$ ip netns add ns1
$ ip netns add ns2
$ ip netns exec ns1 ip link add veth1 type veth peer name veth2
$ ip netns exec ns1 ip link add veth3 type veth peer name veth4
$ ip netns exec ns1 ip link add ipv1 link veth1 type ipvlan mode l3s
$ ip netns exec ns1 ip link add ipv2 link veth3 type ipvlan mode l2
$ ip netns exec ns1 ip link set veth3 netns ns2
$ ip net del ns2
Fixes: 3133822f5a ("ipvlan: use pernet operations and restrict l3s hooks to master netns")
Signed-off-by: Lu Wei <luwei32@huawei.com>
Reviewed-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20230817145449.141827-1-luwei32@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We changed tcp_poll() over time, bug never updated dccp.
Note that we also could remove dccp instead of maintaining it.
Fixes: 7c657876b6 ("[DCCP]: Initial implementation")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230818015820.2701595-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
*prot->memory_pressure is read/writen locklessly, we need
to add proper annotations.
A recent commit added a new race, it is time to audit all accesses.
Fixes: 2d0c88e84e ("sock: Fix misuse of sk_under_memory_pressure()")
Fixes: 4d93df0abd ("[SCTP]: Rewrite of sctp buffer management code")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Abel Wu <wuyun.abel@bytedance.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Link: https://lore.kernel.org/r/20230818015132.2699348-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The blamed commit resolved a bug where frames would still get stuck at
egress, even though they're smaller than the maxSDU[tc], because the
driver did not take into account the extra 33 ns that the queue system
needs for scheduling the frame.
It now takes that into account, but the arithmetic that we perform in
vsc9959_tas_remaining_gate_len_ps() is buggy, because we operate on
64-bit unsigned integers, so gate_len_ns - VSC9959_TAS_MIN_GATE_LEN_NS
may become a very large integer if gate_len_ns < 33 ns.
In practice, this means that we've introduced a regression where all
traffic class gates which are permanently closed will not get detected
by the driver, and we won't enable oversize frame dropping for them.
Before:
mscc_felix 0000:00:00.5: port 0: max frame size 1526 needs 12400000 ps, 1152000 ps for mPackets at speed 1000
mscc_felix 0000:00:00.5: port 0 tc 0 min gate len 1000000, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 1 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 2 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 3 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 4 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 5 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 6 min gate len 0, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 7 min gate length 5120 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 615 octets including FCS
After:
mscc_felix 0000:00:00.5: port 0: max frame size 1526 needs 12400000 ps, 1152000 ps for mPackets at speed 1000
mscc_felix 0000:00:00.5: port 0 tc 0 min gate len 1000000, sending all frames
mscc_felix 0000:00:00.5: port 0 tc 1 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 2 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 3 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 4 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 5 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 6 min gate length 0 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 1 octets including FCS
mscc_felix 0000:00:00.5: port 0 tc 7 min gate length 5120 ns not enough for max frame size 1526 at 1000 Mbps, dropping frames over 615 octets including FCS
Fixes: 11afdc6526 ("net: dsa: felix: tc-taprio intervals smaller than MTU should send at least one packet")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230817120111.3522827-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cited fixes commit introduced linecard notifications for register,
however it didn't add them for unregister. Fix that by adding them.
Fixes: c246f9b5fd ("devlink: add support to create line card and expose to user")
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230817125240.2144794-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
VivoBook Pro 15 Ryzen Edition uses Ryzen 6800H processor, and adding to
quirks list for acp6x will enable internal mic.
Signed-off-by: BrenoRCBrito <brenorcbrito@gmail.com>
Link: https://lore.kernel.org/r/20230818211417.32167-1-brenorcbrito@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
On SDP interfaces, frame oversize and undersize errors are
observed as driver is not considering packet sizes of all
subscribers of the link before updating the link config.
This patch fixes the same.
Fixes: 9b7dd87ac0 ("octeontx2-af: Support to modify min/max allowed packet lengths")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230817063006.10366-1-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix issues with adjusted MTUs (2 patches), by Sven Eckelmann
- Fix header access for memory reallocation case, by Remi Pommarel
- Fix two memory leaks (2 patches), by Remi Pommarel
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Merge tag 'batadv-net-pullrequest-20230816' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
Here are some batman-adv bugfixes:
- Fix issues with adjusted MTUs (2 patches), by Sven Eckelmann
- Fix header access for memory reallocation case, by Remi Pommarel
- Fix two memory leaks (2 patches), by Remi Pommarel
* tag 'batadv-net-pullrequest-20230816' of git://git.open-mesh.org/linux-merge:
batman-adv: Fix batadv_v_ogm_aggr_send memory leak
batman-adv: Fix TT global entry leak when client roamed back
batman-adv: Do not get eth header before batadv_check_management_packet
batman-adv: Don't increase MTU when set by user
batman-adv: Trigger events for auto adjusted MTU
====================
Link: https://lore.kernel.org/r/20230816163318.189996-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
blk_crypto_profile_init() calls lockdep_register_key(), which warns and
does not register if the provided memory is a static object.
blk-crypto-fallback currently has a static blk_crypto_profile and calls
blk_crypto_profile_init() thereupon, resulting in the warning and
failure to register.
Fortunately it is simple enough to use a dynamically allocated profile
and make lockdep function correctly.
Fixes: 2fb48d88e7 ("blk-crypto: use dynamic lock class for blk_crypto_profile::lock")
Cc: stable@vger.kernel.org
Signed-off-by: Sweet Tea Dorminy <sweettea-kernel@dorminy.me>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20230817141615.15387-1-sweettea-kernel@dorminy.me
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock
has to be held, otherwise, all kinds of bugs(list corruption, hard lockup,
..) can be triggered from blkg_destroy_all().
Fixes: f1c006f1c6 ("blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: xiaoli feng <xifeng@redhat.com>
Cc: Chunyu Hu <chuhu@redhat.com>
Cc: Mike Snitzer <snitzer@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230817141751.1128970-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Commit 137380c0ec renamed 'rnbd-client' to 'rnbd_client', this changed
sysfs interface to /sys/devices/virtual/rnbd_client/ctl/map_device
from /sys/devices/virtual/rnbd-client/ctl/map_device.
CC: Ivan Orlov <ivan.orlov0322@gmail.com>
CC: "Md. Haris Iqbal" <haris.iqbal@ionos.com>
CC: Jack Wang <jinpu.wang@ionos.com>
Fixes: 137380c0ec ("block/rnbd: make all 'class' structures const")
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20230816022210.2501228-1-lizhijian@fujitsu.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Set the next pointer in filename_trans_read_helper() before attaching
the new node under construction to the list, otherwise garbage would be
dereferenced on subsequent failure during cleanup in the out goto label.
Cc: <stable@vger.kernel.org>
Fixes: 4300590243 ("selinux: implement new format of filename transitions")
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
set up for the target thread and that the thread sees the ZT registers
set via ptrace.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Two more SME fixes related to ptrace(): ensure that the SME is
properly set up for the target thread and that the thread sees
the ZT registers set via ptrace"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64/ptrace: Ensure that the task sees ZT writes on first use
arm64/ptrace: Ensure that SME is set up for target when writing SSVE state
- fix a regression in the sysfs interface
- fix a reference counting bug that's been around for years
- MAINTAINERS update
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Merge tag 'gpio-fixes-for-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix a regression in the sysfs interface
- fix a reference counting bug that's been around for years
- MAINTAINERS update
* tag 'gpio-fixes-for-v6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: fix reference leaks when removing GPIO chips still in use
gpiolib: sysfs: Do unexport GPIO when user asks for it
MAINTAINERS: add content regex for gpio-regmap
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Merge tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fix from Steve French:
"A small SMB mount option fix, also for stable"
* tag '6.5-rc6-smb3-client-fix' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: fix null auth
* A fix to avoid excessive rejections from seccomp RET_ERRNO rules.
* A fix for compressed jal/jalr decoding.
* A pair of fixes for independent irq/softirq stacks on kernels built
with CONFIG_FRAME_POINTER=n.
* A fix to avoid a hang handling uaccess fixups.
* Another build fix for toolchain ISA strings, this time for Zicsr and
Zifenci on old GNU toolchains.
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Merge tag 'riscv-for-linus-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- avoid excessive rejections from seccomp RET_ERRNO rules
- compressed jal/jalr decoding fix
- fixes for independent irq/softirq stacks on kernels built with
CONFIG_FRAME_POINTER=n
- avoid a hang handling uaccess fixups
- another build fix for toolchain ISA strings, this time for Zicsr and
Zifenci on old GNU toolchains
* tag 'riscv-for-linus-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Handle zicsr/zifencei issue between gcc and binutils
riscv: uaccess: Return the number of bytes effectively not copied
riscv: stack: Fixup independent softirq stack for CONFIG_FRAME_POINTER=n
riscv: stack: Fixup independent irq stack for CONFIG_FRAME_POINTER=n
riscv: correct riscv_insn_is_c_jr() and riscv_insn_is_c_jalr()
riscv: entry: set a0 = -ENOSYS only when syscall != -1
Slightly bigger than I wished, but here we go, a collection of fixes
for 6.5. The only change in the core side is the ease for repeated
ASoC error messages, and the rest are all pretty device-specific small
fixes (including regression fixes) for ASoC Intel and HD-audio /
USB-audio quirks.
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Merge tag 'sound-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Slightly bigger than I wished, but here we go, a collection of fixes
for 6.5.
The only change in the core side is the ease for repeated ASoC error
messages, and the rest are all pretty device-specific small fixes
(including regression fixes) for ASoC Intel and HD-audio / USB-audio
quirks"
* tag 'sound-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - Remodified 3k pull low procedure
ASoC: rt1308-sdw: fix random louder sound
ALSA: hda/cs8409: Support new Dell Dolphin Variants
ALSA: hda/realtek: Switch Dell Oasis models to use SPI
ALSA: hda/realtek: Add quirks for HP G11 Laptops
ASoC: meson: axg-tdm-formatter: fix channel slot allocation
ASoC: SOF: ipc4-topology: Update the basecfg for copier earlier
ASoC: SOF: intel: hda: Clean up link DMA for IPC3 during stop
ASoC: Intel: sof-sdw-cs42142: fix for codec button mapping
ASoC: Intel: sof-sdw: update jack detection quirk for LunarLake RVP
ASoC: SOF: Fix incorrect use of sizeof in sof_ipc3_do_rx_work()
ASoC: lower "no backend DAIs enabled for ... Port" log severity
ASoC: rt5665: add missed regulator_bulk_disable
ASoC: max98363: don't return on success reading revision ID
ALSA: usb-audio: Add support for Mythware XA001AU capture and playback interfaces.
ASoC: fsl: micfil: Use dual license micfil code
- Fix in_flight[issue_type] value error to properly manage requests
MMC host:
- wbsd: Fix double free in the probe error path
- sunplus: Fix error path in probe
- sdhci_f_sdh30: Fix order of function calls in sdhci_f_sdh30_remove
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Merge tag 'mmc-v6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix in_flight[issue_type] value error to properly manage requests
MMC host:
- wbsd: Fix double free in the probe error path
- sunplus: Fix error path in probe
- sdhci_f_sdh30: Fix order of function calls in sdhci_f_sdh30_remove"
* tag 'mmc-v6.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: f-sdh30: fix order of function calls in sdhci_f_sdh30_remove
mmc: sunplus: Fix error handling in spmmc_drv_probe()
mmc: sunplus: fix return value check of mmc_add_host()
mmc: wbsd: fix double mmc_free_host() in wbsd_init()
mmc: block: Fix in_flight[issue_type] value error
The code calling ima_free_kexec_buffer runs long after the memblock
allocator has already been torn down, potentially resulting in a use
after free in memblock_isolate_range.
With KASAN or KFENCE, this use after free will result in a BUG
from the idle task, and a subsequent kernel panic.
Switch ima_free_kexec_buffer over to memblock_free_late to avoid
that issue.
Fixes: fee3ff99bc ("powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c")
Cc: stable@kernel.org
Signed-off-by: Rik van Riel <riel@surriel.com>
Suggested-by: Mike Rappoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/20230817135759.0888e5ef@imladris.surriel.com
Signed-off-by: Rob Herring <robh@kernel.org>
Qualcomm SA8775P platform:
- Some minor device tree binding flunky that is nice to iron
out but more importantly:
- Support the increased interrupt targets mask from 3 to 4
bits, making interrupts with higher (hardware) numbers
work.
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Merge tag 'pinctrl-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Fixes two issues with the Qualcomm SA8775P platform:
- Some minor device tree binding flunky that is nice to iron out but
more importantly:
- Support the increased interrupt targets mask from 3 to 4 bits,
making interrupts with higher (hardware) numbers work"
* tag 'pinctrl-v6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: qcom: Add intr_target_width field to support increased number of interrupt targets
dt-bindings: pinctrl: qcom,sa8775p-tlmm: add gpio function constant
As usual, mostly DT fixes for the major Arm platforms from Qualcomm and
NXP, plus a bit for Rockchips and others:
The qualcomm fixes mainly deal with their higher-end arm64 devices trees,
fixing issues in L3 interconnect, crypto, thermal, UFS and a regression
for the DSI phy.
NXP i.MX has two correctness fixes for the 64-bit chips, dealing with
the imx93 "anatop" module and the CSI interface. On the 32-bit side,
there are functional fixes for RTC, display and SD card intefaces.
Rockchip fixes are for wifi support on certain boards, a eMMC stability
and DT build warnings.
On TI OMAP, a regulator is described in DT to avoid problems with the
ethernet phy initialization.
The code changes include a missing MMIO serialization on OMAP, plus a
few minor fixes on ASpeed and AMD/Zynq chips.
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Merge tag 'soc-fixes-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"As usual, mostly DT fixes for the major Arm platforms from Qualcomm
and NXP, plus a bit for Rockchips and others:
The qualcomm fixes mainly deal with their higher-end arm64 devices
trees, fixing issues in L3 interconnect, crypto, thermal, UFS and a
regression for the DSI phy.
NXP i.MX has two correctness fixes for the 64-bit chips, dealing with
the imx93 "anatop" module and the CSI interface. On the 32-bit side,
there are functional fixes for RTC, display and SD card intefaces.
Rockchip fixes are for wifi support on certain boards, a eMMC
stability and DT build warnings.
On TI OMAP, a regulator is described in DT to avoid problems with the
ethernet phy initialization.
The code changes include a missing MMIO serialization on OMAP, plus a
few minor fixes on ASpeed and AMD/Zynq chips"
* tag 'soc-fixes-6.5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
ARM: dts: am335x-bone-common: Add vcc-supply for on-board eeprom
ARM: dts: am335x-bone-common: Add GPIO PHY reset on revision C3 board
soc: aspeed: socinfo: Add kfree for kstrdup
soc: aspeed: uart-routing: Use __sysfs_match_string
ARM: dts: integrator: fix PCI bus dtc warnings
arm64: dts: imx93: Fix anatop node size
arm64: dts: qcom: sc7180: Fix DSI0_PHY reg-names
ARM: dts: imx: Set default tuning step for imx6sx usdhc
arm64: dts: imx8mm: Drop CSI1 PHY reference clock configuration
arm64: dts: imx8mn: Drop CSI1 PHY reference clock configuration
ARM: dts: imx: Set default tuning step for imx7d usdhc
ARM: dts: imx6: phytec: fix RTC interrupt level
ARM: dts: imx6sx: Remove LDB endpoint
arm64: dts: rockchip: Fix Wifi/Bluetooth on ROCK Pi 4 boards
ARM: zynq: Explicitly include correct DT includes
arm64: dts: qcom: sa8775p-ride: Update L4C parameters
arm64: dts: rockchip: minor whitespace cleanup around '='
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK 4C+
arm64: dts: rockchip: Disable HS400 for eMMC on ROCK Pi 4
arm64: dts: rockchip: add missing space before { on indiedroid nova
...
Just one partial revert for a commit from the merge window
that caused annoying behavior when building old kernels on
arm64 hosts.
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Merge tag 'asm-generic-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic regression fix from Arnd Bergmann:
"Just one partial revert for a commit from the merge window that caused
annoying behavior when building old kernels on arm64 hosts"
* tag 'asm-generic-fix-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: partially revert "Unify uapi bitsperlong.h for arm64, riscv and loongarch"
In production we were seeing a variety of WARN_ON()'s in the extent_map
code, specifically in btrfs_drop_extent_map_range() when we have to call
add_extent_mapping() for our second split.
Consider the following extent map layout
PINNED
[0 16K) [32K, 48K)
and then we call btrfs_drop_extent_map_range for [0, 36K), with
skip_pinned == true. The initial loop will have
start = 0
end = 36K
len = 36K
we will find the [0, 16k) extent, but since we are pinned we will skip
it, which has this code
start = em_end;
if (end != (u64)-1)
len = start + len - em_end;
em_end here is 16K, so now the values are
start = 16K
len = 16K + 36K - 16K = 36K
len should instead be 20K. This is a problem when we find the next
extent at [32K, 48K), we need to split this extent to leave [36K, 48k),
however the code for the split looks like this
split->start = start + len;
split->len = em_end - (start + len);
In this case we have
em_end = 48K
split->start = 16K + 36K // this should be 16K + 20K
split->len = 48K - (16K + 36K) // this overflows as 16K + 36K is 52K
and now we have an invalid extent_map in the tree that potentially
overlaps other entries in the extent map. Even in the non-overlapping
case we will have split->start set improperly, which will cause problems
with any block related calculations.
We don't actually need len in this loop, we can simply use end as our
end point, and only adjust start up when we find a pinned extent we need
to skip.
Adjust the logic to do this, which keeps us from inserting an invalid
extent map.
We only skip_pinned in the relocation case, so this is relatively rare,
except in the case where you are running relocation a lot, which can
happen with auto relocation on.
Fixes: 55ef689900 ("Btrfs: Fix btrfs_drop_extent_cache for skip pinned case")
CC: stable@vger.kernel.org # 4.14+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
The pinctrl group and function creation/remove calls expect
caller to take care of locking. Add lock around these functions.
Fixes: b59d0e7827 ("pinctrl: Add RZ/A2 pin and gpio controller")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fix the below random NULL pointer crash during boot by serializing
pinctrl group and function creation/remove calls in
rzv2m_dt_subnode_to_map() with mutex lock.
Crash logs:
pc : __pi_strcmp+0x20/0x140
lr : pinmux_func_name_to_selector+0x68/0xa4
Call trace:
__pi_strcmp+0x20/0x140
pinmux_generic_add_function+0x34/0xcc
rzv2m_dt_subnode_to_map+0x2e4/0x418
rzv2m_dt_node_to_map+0x15c/0x18c
pinctrl_dt_to_map+0x218/0x37c
create_pinctrl+0x70/0x3d8
While at it, add a comment for lock.
Fixes: 92a9b82525 ("pinctrl: renesas: Add RZ/V2M pin and gpio controller driver")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fix the below random NULL pointer crash during boot by serializing
pinctrl group and function creation/remove calls in
rzg2l_dt_subnode_to_map() with mutex lock.
Crash log:
pc : __pi_strcmp+0x20/0x140
lr : pinmux_func_name_to_selector+0x68/0xa4
Call trace:
__pi_strcmp+0x20/0x140
pinmux_generic_add_function+0x34/0xcc
rzg2l_dt_subnode_to_map+0x314/0x44c
rzg2l_dt_node_to_map+0x164/0x194
pinctrl_dt_to_map+0x218/0x37c
create_pinctrl+0x70/0x3d8
While at it, add comments for bitmap_lock and lock.
Fixes: c4c4637eb5 ("pinctrl: renesas: Add RZ/G2L pin and gpio controller driver")
Tested-by: Chris Paterson <Chris.Paterson2@renesas.com>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230815131558.33787-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Specify how is SRSO mitigated when SMT is disabled. Also, correct the
SMT check for that.
Fixes: e9fbc47b81 ("x86/srso: Disable the mitigation on unaffected configurations")
Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20230814200813.p5czl47zssuej7nv@treble
Syzbot was able to trigger use of uninitialized memory in
af_alg_free_resources.
Bug is caused by missing initialization of rsgl->sgl.need_unpin before
adding to rsgl_list. Then in case of extract_iter_to_sg() failure, rsgl
is left with uninitialized need_unpin which is read during clean up
BUG: KMSAN: uninit-value in af_alg_free_sg crypto/af_alg.c:545 [inline]
BUG: KMSAN: uninit-value in af_alg_free_areq_sgls crypto/af_alg.c:778 [inline]
BUG: KMSAN: uninit-value in af_alg_free_resources+0x3d1/0xf60 crypto/af_alg.c:1117
af_alg_free_sg crypto/af_alg.c:545 [inline]
af_alg_free_areq_sgls crypto/af_alg.c:778 [inline]
af_alg_free_resources+0x3d1/0xf60 crypto/af_alg.c:1117
_skcipher_recvmsg crypto/algif_skcipher.c:144 [inline]
...
Uninit was created at:
slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767
slab_alloc_node mm/slub.c:3470 [inline]
__kmem_cache_alloc_node+0x536/0x8d0 mm/slub.c:3509
__do_kmalloc_node mm/slab_common.c:984 [inline]
__kmalloc+0x121/0x3c0 mm/slab_common.c:998
kmalloc include/linux/slab.h:586 [inline]
sock_kmalloc+0x128/0x1c0 net/core/sock.c:2683
af_alg_alloc_areq+0x41/0x2a0 crypto/af_alg.c:1188
_skcipher_recvmsg crypto/algif_skcipher.c:71 [inline]
Fixes: c1abe6f570 ("crypto: af_alg: Use extract_iter_to_sg() to create scatterlists")
Reported-and-tested-by: syzbot+cba21d50095623218389@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=cba21d50095623218389
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
In case the downstream bridge or panel uses DSI transfers before the
DSI host was actually initialized through samsung_dsim_atomic_enable()
which clears the stop state (LP11) mode, all transfers will fail.
This happens with downstream bridges that are controlled by DSI
commands such as the tc358762.
As documented in [1] DSI hosts are expected to allow transfers
outside the normal bridge enable/disable flow.
To fix this make sure that stop state is cleared in
samsung_dsim_host_transfer() which restores the previous
behavior.
We also factor out the common code to enable/disable stop state
to samsung_dsim_set_stop_state().
[1] https://docs.kernel.org/gpu/drm-kms-helpers.html#mipi-dsi-bridge-operation
Fixes: 0c14d31306 ("drm: bridge: samsung-dsim: Fix i.MX8M enable flow to meet spec")
Reported-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230724151640.555490-1-frieder@fris.de
No known outstanding regressions.
Fixes to fixes:
- virtio-net: set queues after driver_ok, avoid a potential race
added by recent fix
- Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
when VLAN 0 is registered explicitly
- nf_tables:
- fix false-positive lockdep splat in recent fixes
- don't fail inserts if duplicate has expired (fix test failures)
- fix races between garbage collection and netns dismantle
Current release - new code bugs:
- mlx5: Fix mlx5_cmd_update_root_ft() error flow
Previous releases - regressions:
- phy: fix IRQ-based wake-on-lan over hibernate / power off
Previous releases - always broken:
- sock: fix misuse of sk_under_memory_pressure() preventing system
from exiting global TCP memory pressure if a single cgroup is under
pressure
- fix the RTO timer retransmitting skb every 1ms if linear option
is enabled
- af_key: fix sadb_x_filter validation, amment netlink policy
- ipsec: fix slab-use-after-free in decode_session6()
- macb: in ZynqMP resume always configure PS GTR for non-wakeup source
Misc:
- netfilter: set default timeout to 3 secs for sctp shutdown send and
recv state (from 300ms), align with protocol timers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from ipsec and netfilter.
No known outstanding regressions.
Fixes to fixes:
- virtio-net: set queues after driver_ok, avoid a potential race
added by recent fix
- Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
when VLAN 0 is registered explicitly
- nf_tables:
- fix false-positive lockdep splat in recent fixes
- don't fail inserts if duplicate has expired (fix test failures)
- fix races between garbage collection and netns dismantle
Current release - new code bugs:
- mlx5: Fix mlx5_cmd_update_root_ft() error flow
Previous releases - regressions:
- phy: fix IRQ-based wake-on-lan over hibernate / power off
Previous releases - always broken:
- sock: fix misuse of sk_under_memory_pressure() preventing system
from exiting global TCP memory pressure if a single cgroup is under
pressure
- fix the RTO timer retransmitting skb every 1ms if linear option is
enabled
- af_key: fix sadb_x_filter validation, amment netlink policy
- ipsec: fix slab-use-after-free in decode_session6()
- macb: in ZynqMP resume always configure PS GTR for non-wakeup
source
Misc:
- netfilter: set default timeout to 3 secs for sctp shutdown send and
recv state (from 300ms), align with protocol timers"
* tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (49 commits)
ice: Block switchdev mode when ADQ is active and vice versa
qede: fix firmware halt over suspend and resume
net: do not allow gso_size to be set to GSO_BY_FRAGS
sock: Fix misuse of sk_under_memory_pressure()
sfc: don't fail probe if MAE/TC setup fails
sfc: don't unregister flow_indr if it was never registered
net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset
net/mlx5: Fix mlx5_cmd_update_root_ft() error flow
net/mlx5e: XDP, Fix fifo overrun on XDP_REDIRECT
i40e: fix misleading debug logs
iavf: fix FDIR rule fields masks validation
ipv6: fix indentation of a config attribute
mailmap: add entries for Simon Horman
broadcom: b44: Use b44_writephy() return value
net: openvswitch: reject negative ifindex
team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves
net: phy: broadcom: stub c45 read/write for 54810
netfilter: nft_dynset: disallow object maps
netfilter: nf_tables: GC transaction race with netns dismantle
netfilter: nf_tables: fix GC transaction races with netns and netlink event exit path
...
edid:
- revert mode parsing fix that had side effects.
i915:
- Fix the flow for ignoring GuC SLPC efficient frequency selection
- Fix SDVO panel_type initialization
- Fix display probe for IVB Q and IVB D GT2 server
nouveau:
- fix use-after-free in connector code
qaic:
- integer overflow check fix
- fix slicing memory leak
panel:
- fix JDI LT070ME05000 probing
- fix AUO G121EAN01 timings
amdgpu:
- SMU 13.x fixes
- Fix mcbp parameter for gfx9
- SMU 11.x fixes
- Temporary fix for large numbers of XCP partitions
- S0ix fixes
- DCN 2.0 fix
qxl:
- fix use after free race in dumb object allocation
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Merge tag 'drm-fixes-2023-08-18-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular enough week, mostly the usual amdgpu and i915 fixes. Also
qaic, nouveau, qxl and a revert for an EDID patch that had some side
effects, along with a couple of panel fixes.
edid:
- revert mode parsing fix that had side effects.
i915:
- Fix the flow for ignoring GuC SLPC efficient frequency selection
- Fix SDVO panel_type initialization
- Fix display probe for IVB Q and IVB D GT2 server
nouveau:
- fix use-after-free in connector code
qaic:
- integer overflow check fix
- fix slicing memory leak
panel:
- fix JDI LT070ME05000 probing
- fix AUO G121EAN01 timings
amdgpu:
- SMU 13.x fixes
- Fix mcbp parameter for gfx9
- SMU 11.x fixes
- Temporary fix for large numbers of XCP partitions
- S0ix fixes
- DCN 2.0 fix
qxl:
- fix use after free race in dumb object allocation"
* tag 'drm-fixes-2023-08-18-1' of git://anongit.freedesktop.org/drm/drm:
drm/qxl: fix UAF on handle creation
Revert "drm/edid: Fix csync detailed mode parsing"
drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create
Revert "Revert "drm/amdgpu/display: change pipe policy for DCN 2.0""
drm/amd: flush any delayed gfxoff on suspend entry
drm/amdgpu: skip fence GFX interrupts disable/enable for S0ix
drm/amdgpu: skip xcp drm device allocation when out of drm resource
drm/amd/pm: Update pci link width for smu v13.0.6
drm/amd/pm: Fix temperature unit of SMU v13.0.6
drm/amdgpu/pm: fix throttle_status for other than MP1 11.0.7
drm/amdgpu: disable mcbp if parameter zero is set
drm/amd/pm: disallow the fan setting if there is no fan on smu 13.0.0
accel/qaic: Clean up integer overflow checking in map_user_pages()
accel/qaic: Fix slicing memory leak
drm/i915: fix display probe for IVB Q and IVB D GT2 server
drm/i915/sdvo: fix panel_type initialization
drm/i915/guc/slpc: Restore efficient freq earlier
drm/panel: simple: Fix AUO G121EAN01 panel timings according to the docs
drm/panel: JDI LT070ME05000 simplify with dev_err_probe()
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-08-16 (iavf, i40e)
This series contains updates to iavf and i40e drivers.
Piotr adds checks for unsupported Flow Director rules on iavf.
Andrii replaces incorrect 'write' messaging on read operations for i40e.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: fix misleading debug logs
iavf: fix FDIR rule fields masks validation
====================
Link: https://lore.kernel.org/r/20230816193308.1307535-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
the AUO G121EAN01 panel, an integer overflow and a memory leak fixes for
the qaic accel, a use-after-free fix for nouveau and a revert for an
alleged fix in EDID parsing.
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Merge tag 'drm-misc-fixes-2023-08-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
One EPROBE_DEFER handling fix for the JDI LT070ME05000, a timing fix for
the AUO G121EAN01 panel, an integer overflow and a memory leak fixes for
the qaic accel, a use-after-free fix for nouveau and a revert for an
alleged fix in EDID parsing.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3olqt33em5uhxzjbqghwcwnvmw73h7bxkbdxookmnkecymd4vc@7ogm6gewpprq
ADQ and switchdev are not supported simultaneously. Enabling both at the
same time can result in nullptr dereference.
To prevent this, check if ADQ is active when changing devlink mode to
switchdev mode, and check if switchdev is active when enabling ADQ.
Fixes: fbc7b27af0 ("ice: enable ndo_setup_tc support for mqprio_qdisc")
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230816193405.1307580-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
While performing certain power-off sequences, PCI drivers are
called to suspend and resume their underlying devices through
PCI PM (power management) interface. However this NIC hardware
does not support PCI PM suspend/resume operations so system wide
suspend/resume leads to bad MFW (management firmware) state which
causes various follow-up errors in driver when communicating with
the device/firmware afterwards.
To fix this driver implements PCI PM suspend handler to indicate
unsupported operation to the PCI subsystem explicitly, thus avoiding
system to go into suspended/standby mode.
Without this fix device/firmware does not recover unless system
is power cycled.
Fixes: 2950219d87 ("qede: Add basic network device support")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Alok Prasad <palok@marvell.com>
Reviewed-by: John Meneghini <jmeneghi@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230816150711.59035-1-manishc@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The status of global socket memory pressure is updated when:
a) __sk_mem_raise_allocated():
enter: sk_memory_allocated(sk) > sysctl_mem[1]
leave: sk_memory_allocated(sk) <= sysctl_mem[0]
b) __sk_mem_reduce_allocated():
leave: sk_under_memory_pressure(sk) &&
sk_memory_allocated(sk) < sysctl_mem[0]
So the conditions of leaving global pressure are inconstant, which
may lead to the situation that one pressured net-memcg prevents the
global pressure from being cleared when there is indeed no global
pressure, thus the global constrains are still in effect unexpectedly
on the other sockets.
This patch fixes this by ignoring the net-memcg's pressure when
deciding whether should leave global memory pressure.
Fixes: e1aab161e0 ("socket: initial cgroup code.")
Signed-off-by: Abel Wu <wuyun.abel@bytedance.com>
Acked-by: Shakeel Butt <shakeelb@google.com>
Link: https://lore.kernel.org/r/20230816091226.1542-1-wuyun.abel@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Existing comment in the source explains why we don't want efx_init_tc()
failure to be fatal. Cited commit erroneously consolidated failure
paths causing the probe to be failed in this case.
Fixes: 7e056e2360 ("sfc: obtain device mac address based on firmware handle for ef100")
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/aa7f589dd6028bd1ad49f0a85f37ab33c09b2b45.1692114888.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In efx_init_tc(), move the setting of efx->tc->up after the
flow_indr_dev_register() call, so that if it fails, efx_fini_tc()
won't call flow_indr_dev_unregister().
Fixes: 5b2e12d51b ("sfc: bind indirect blocks for TC offload on EF100")
Suggested-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://lore.kernel.org/r/a81284d7013aba74005277bd81104e4cfbea3f6f.1692114888.git.ecree.xilinx@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the value of ZT is set via ptrace we don't disable traps for SME.
This means that when a the task has never used SME before then the value
set via ptrace will never be seen by the target task since it will
trigger a SME access trap which will flush the register state.
Disable SME traps when setting ZT, this means we also need to allocate
storage for SVE if it is not already allocated, for the benefit of
streaming SVE.
Fixes: f90b529bcb ("arm64/sme: Implement ZT0 ptrace support")
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 6.3.x
Link: https://lore.kernel.org/r/20230816-arm64-zt-ptrace-first-use-v2-1-00aa82847e28@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
When we use NT_ARM_SSVE to either enable streaming mode or change the
vector length for a process we do not currently do anything to ensure that
there is storage allocated for the SME specific register state. If the
task had not previously used SME or we changed the vector length then
the task will not have had TIF_SME set or backing storage for ZA/ZT
allocated, resulting in inconsistent register sizes when saving state
and spurious traps which flush the newly set register state.
We should set TIF_SME to disable traps and ensure that storage is
allocated for ZA and ZT if it is not already allocated. This requires
modifying sme_alloc() to make the flush of any existing register state
optional so we don't disturb existing state for ZA and ZT.
Fixes: e12310a0d3 ("arm64/sme: Implement ptrace support for streaming mode SVE registers")
Reported-by: David Spickett <David.Spickett@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # 5.19.x
Link: https://lore.kernel.org/r/20230810-arm64-fix-ptrace-race-v1-1-a5361fad2bd6@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Kmemleak report a leak in graph_trace_open():
unreferenced object 0xffff0040b95f4a00 (size 128):
comm "cat", pid 204981, jiffies 4301155872 (age 99771.964s)
hex dump (first 32 bytes):
e0 05 e7 b4 ab 7d 00 00 0b 00 01 00 00 00 00 00 .....}..........
f4 00 01 10 00 a0 ff ff 00 00 00 00 65 00 10 00 ............e...
backtrace:
[<000000005db27c8b>] kmem_cache_alloc_trace+0x348/0x5f0
[<000000007df90faa>] graph_trace_open+0xb0/0x344
[<00000000737524cd>] __tracing_open+0x450/0xb10
[<0000000098043327>] tracing_open+0x1a0/0x2a0
[<00000000291c3876>] do_dentry_open+0x3c0/0xdc0
[<000000004015bcd6>] vfs_open+0x98/0xd0
[<000000002b5f60c9>] do_open+0x520/0x8d0
[<00000000376c7820>] path_openat+0x1c0/0x3e0
[<00000000336a54b5>] do_filp_open+0x14c/0x324
[<000000002802df13>] do_sys_openat2+0x2c4/0x530
[<0000000094eea458>] __arm64_sys_openat+0x130/0x1c4
[<00000000a71d7881>] el0_svc_common.constprop.0+0xfc/0x394
[<00000000313647bf>] do_el0_svc+0xac/0xec
[<000000002ef1c651>] el0_svc+0x20/0x30
[<000000002fd4692a>] el0_sync_handler+0xb0/0xb4
[<000000000c309c35>] el0_sync+0x160/0x180
The root cause is descripted as follows:
__tracing_open() { // 1. File 'trace' is being opened;
...
*iter->trace = *tr->current_trace; // 2. Tracer 'function_graph' is
// currently set;
...
iter->trace->open(iter); // 3. Call graph_trace_open() here,
// and memory are allocated in it;
...
}
s_start() { // 4. The opened file is being read;
...
*iter->trace = *tr->current_trace; // 5. If tracer is switched to
// 'nop' or others, then memory
// in step 3 are leaked!!!
...
}
To fix it, in s_start(), close tracer before switching then reopen the
new tracer after switching. And some tracers like 'wakeup' may not update
'iter->private' in some cases when reopen, then it should be cleared
to avoid being mistakenly closed again.
Link: https://lore.kernel.org/linux-trace-kernel/20230817125539.1646321-1-zhengyejian1@huawei.com
Fixes: d7350c3f45 ("tracing/core: make the read callbacks reentrants")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:
These two patches add an ACPI HID and update the way the platform-
specific firmware identifier is extracted from the ACPI.
- Fix new MSG_SPLICE_PAGES support in server's TCP sendmsg helper
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Merge tag 'nfsd-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix new MSG_SPLICE_PAGES support in server's TCP sendmsg helper
* tag 'nfsd-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
sunrpc: set the bv_offset of first bvec in svc_tcp_sendmsg
