We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value because the
value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading the sysctl value
because the value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We need to protect the reader reading sysctl_netrom_default_path_quality
because the value can be changed concurrently.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This will report a build warning once we have: 806cb22702 ("kunit:
Annotate _MSG assertion variants with gnu printf specifiers").
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: c70703320e ("drm/tests/drm_buddy: add alloc_range_bias test")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://lore.kernel.org/r/20240229095225.242795-2-matthew.auld@intel.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
There's no reason to proceed with applying workaround and initing
sysfs if we are going to abort the probe upon failure.
Fixes: e5a845fd8f ("drm/xe: Add sysfs entry for tile")
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240306203110.146387-1-rodrigo.vivi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit af7b93d1d7)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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Merge tag 'ipsec-2024-03-06' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2024-03-06
1) Clear the ECN bits flowi4_tos in decode_session4().
This was already fixed but the bug was reintroduced
when decode_session4() switched to us the flow dissector.
From Guillaume Nault.
2) Fix UDP encapsulation in the TX path with packet offload mode.
From Leon Romanovsky,
3) Avoid clang fortify warning in copy_to_user_tmpl().
From Nathan Chancellor.
4) Fix inter address family tunnel in packet offload mode.
From Mike Yu.
* tag 'ipsec-2024-03-06' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec:
xfrm: set skb control buffer based on packet offload as well
xfrm: fix xfrm child route lookup for packet offload
xfrm: Avoid clang fortify warning in copy_to_user_tmpl()
xfrm: Pass UDP encapsulation in TX packet offload
xfrm: Clear low order bits of ->flowi4_tos in decode_session4().
====================
Link: https://lore.kernel.org/r/20240306100438.3953516-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-03-06
We've added 5 non-merge commits during the last 1 day(s) which contain
a total of 5 files changed, 77 insertions(+), 4 deletions(-).
The main changes are:
1) Fix BPF verifier to check bpf_func_state->callback_depth when pruning
states as otherwise unsafe programs could get accepted,
from Eduard Zingerman.
2) Fix to zero-initialise xdp_rxq_info struct before running XDP program in
CPU map which led to random xdp_md fields, from Toke Høiland-Jørgensen.
3) Fix bonding XDP feature flags calculation when bonding device has no
slave devices anymore, from Daniel Borkmann.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
cpumap: Zero-initialise xdp_rxq_info struct before running XDP program
selftests/bpf: Fix up xdp bonding test wrt feature flags
xdp, bonding: Fix feature flags when there are no slave devs anymore
selftests/bpf: test case for callback_depth states pruning logic
bpf: check bpf_func_state->callback_depth when pruning states
====================
Link: https://lore.kernel.org/r/20240306220309.13534-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are mainly two reasons that thp_get_unmapped_area() should be
used for EROFS as other filesystems:
- It's needed to enable PMD mappings as a FSDAX filesystem, see
commit 74d2fad133 ("thp, dax: add thp_get_unmapped_area for pmd
mappings");
- It's useful together with large folios and
CONFIG_READ_ONLY_THP_FOR_FS which enable THPs for mmapped files
(e.g. shared libraries) even without FSDAX. See commit 1854bc6e24
("mm/readahead: Align file mappings for non-DAX").
Fixes: 06252e9ce0 ("erofs: dax support for non-tailpacking regular file")
Fixes: ce529cc25b ("erofs: enable large folios for iomap mode")
Fixes: e6687b8922 ("erofs: enable large folios for fscache mode")
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240306053138.2240206-1-hsiangkao@linux.alibaba.com
syzbot reports a KMSAN reproducer [1] which generates a crafted
filesystem image and causes IMA to read uninitialized page cache.
Later, (rq->outputsize > rq->inputsize) will be formally supported
after either large uncompressed pclusters (> block size) or big
lclusters are landed. However, currently there is no way to generate
such filesystems by using mkfs.erofs.
Thus, let's mark this condition as unsupported for now.
[1] https://lore.kernel.org/r/0000000000002be12a0611ca7ff8@google.com
Reported-and-tested-by: syzbot+7bc44a489f0ef0670bd5@syzkaller.appspotmail.com
Fixes: 1ca0152014 ("erofs: refine z_erofs_transform_plain() for sub-page block support")
Reviewed-by: Sandeep Dhavale <dhavale@google.com>
Reviewed-by: Yue Hu <huyue2@coolpad.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240304035339.425857-1-hsiangkao@linux.alibaba.com
UBSAN load reports an exception of BRK#5515 SHIFT_ISSUE:Bitwise shifts
that are out of bounds for their data type.
vmlinux get_bitmap(b=75) + 712
<net/netfilter/nf_conntrack_h323_asn1.c:0>
vmlinux decode_seq(bs=0xFFFFFFD008037000, f=0xFFFFFFD008037018, level=134443100) + 1956
<net/netfilter/nf_conntrack_h323_asn1.c:592>
vmlinux decode_choice(base=0xFFFFFFD0080370F0, level=23843636) + 1216
<net/netfilter/nf_conntrack_h323_asn1.c:814>
vmlinux decode_seq(f=0xFFFFFFD0080371A8, level=134443500) + 812
<net/netfilter/nf_conntrack_h323_asn1.c:576>
vmlinux decode_choice(base=0xFFFFFFD008037280, level=0) + 1216
<net/netfilter/nf_conntrack_h323_asn1.c:814>
vmlinux DecodeRasMessage() + 304
<net/netfilter/nf_conntrack_h323_asn1.c:833>
vmlinux ras_help() + 684
<net/netfilter/nf_conntrack_h323_main.c:1728>
vmlinux nf_confirm() + 188
<net/netfilter/nf_conntrack_proto.c:137>
Due to abnormal data in skb->data, the extension bitmap length
exceeds 32 when decoding ras message then uses the length to make
a shift operation. It will change into negative after several loop.
UBSAN load could detect a negative shift as an undefined behaviour
and reports exception.
So we add the protection to avoid the length exceeding 32. Or else
it will return out of range error and stop decoding.
Fixes: 5e35941d99 ("[NETFILTER]: Add H.323 conntrack/NAT helper")
Signed-off-by: Lena Wang <lena.wang@mediatek.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
While the rhashtable set gc runs asynchronously, a race allows it to
collect elements from anonymous sets with timeouts while it is being
released from the commit path.
Mingi Cho originally reported this issue in a different path in 6.1.x
with a pipapo set with low timeouts which is not possible upstream since
7395dfacff ("netfilter: nf_tables: use timestamp to check for set
element timeout").
Fix this by setting on the dead flag for anonymous sets to skip async gc
in this case.
According to 08e4c8c591 ("netfilter: nf_tables: mark newset as dead on
transaction abort"), Florian plans to accelerate abort path by releasing
objects via workqueue, therefore, this sets on the dead flag for abort
path too.
Cc: stable@vger.kernel.org
Fixes: 5f68718b34 ("netfilter: nf_tables: GC transaction API to avoid race with control plane")
Reported-by: Mingi Cho <mgcho.minic@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Following is rejected but should be allowed:
table inet t {
ct expectation exp1 {
[..]
l3proto ip
Valid combos are:
table ip t, l3proto ip
table ip6 t, l3proto ip6
table inet t, l3proto ip OR l3proto ip6
Disallow inet pseudeo family, the l3num must be a on-wire protocol known
to conntrack.
Retain NFPROTO_INET case to make it clear its rejected
intentionally rather as oversight.
Fixes: 8059918a13 ("netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This set combination is weird: it allows for elements to be
added/deleted, but once bound to the rule it cannot be updated anymore.
Eventually, all elements expire, leading to an empty set which cannot
be updated anymore. Reject this flags combination.
Cc: stable@vger.kernel.org
Fixes: 761da2935d ("netfilter: nf_tables: add set timeout API support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Anonymous sets are never used with timeout from userspace, reject this.
Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.
Cc: stable@vger.kernel.org
Fixes: 761da2935d ("netfilter: nf_tables: add set timeout API support")
Reported-by: lonial con <kongln9170@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fix the pwm_mode value error which used for
pwm1_enable setting
Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Need to check the offset bits for values greater than 255.
v2: also update amdgpu_dm_connector values.
Suggested-by: Mano Ségransan <mano.segransan@protonmail.com>
Tested-by: Mano Ségransan <mano.segransan@protonmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3203
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Add an if condition for gfx activity because the scaling has been changed after smu fw version 5d4600.
And remove a warning log.
Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.7.x
Limit the max print event of trace_marker to just 4K string size. This must
also be less than the amount that can be held by a trace_seq along with
the text that is before the output (like the task name, PID, CPU, state,
etc). As trace_seq is made to handle large events (some greater than 4K).
Make the max size of a trace_marker write event be 4K which is guaranteed
to fit in the trace_seq buffer.
Link: https://lore.kernel.org/linux-trace-kernel/20240304223433.4ba47dff@gandalf.local.home
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The trace_seq buffer is used to print out entire events. It's typically
set to PAGE_SIZE * 2 as there's some events that can be quite large.
As a side effect, writes to trace_marker is limited by both the size of the
trace_seq buffer as well as the ring buffer's sub-buffer size (which is a
power of PAGE_SIZE). By limiting the trace_seq size, it also limits the
size of the largest string written to trace_marker.
trace_seq does not need to be dependent on PAGE_SIZE like the ring buffer
sub-buffers need to be. Hard code it to 8K which is PAGE_SIZE * 2 on most
architectures. This will also limit the size of trace_marker on those
architectures with greater than 4K PAGE_SIZE.
Link: https://lore.kernel.org/all/20240302111244.3a1674be@gandalf.local.home/
Link: https://lore.kernel.org/linux-trace-kernel/20240304191342.56fb1087@gandalf.local.home
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Sachin Sant <sachinp@linux.ibm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
As the chip selects can be configured through ACPI/OF/swnode, and
the set_cs() callback will only be called when a native chip select
is being used, there is no reason for the driver to only support the
native chip select as the first chip select. Remove the check that
introduces this limitation.
Fixes: ef75e76716 ("spi: cs42l43: Add SPI controller support")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240306161004.2205113-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'vfs-6.8-release.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Get rid of copy_mc flag in iov_iter which really only makes sense for
the core dumping code so move it out of the generic iov iter code and
make it coredump's problem. See the detailed commit description.
- Revert fs/aio: Make io_cancel() generate completions again
The initial fix here was predicated on the assumption that calling
ki_cancel() didn't complete aio requests. However, that turned out to
be wrong since the two drivers that actually make use of this set a
cancellation function that performs the cancellation correctly. So
revert this change.
- Ensure that the test for IOCB_AIO_RW always happens before the read
from ki_ctx.
* tag 'vfs-6.8-release.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iov_iter: get rid of 'copy_mc' flag
fs/aio: Check IOCB_AIO_RW before the struct aio_kiocb conversion
Revert "fs/aio: Make io_cancel() generate completions again"
These should be the final fixes for the soc tree for 6.8, as usual
they mostly deal wtih dts files:
- Qualcomm fixes for pcie4 on sc8280xp, a revert of msm8996 mpm support,
sm6115 interconnect and sm8650 gpio.
- Two fixes for Tegra234 ethernet
- A Makefile fix to actually build the allwinner based orange pi zero 2w
device tree
- Fixes for clocks and reset on imx8mp and a DSI display regression
on imx7.
The non-DT fixes are:
- Firmware fixes addressing a kernel panic in op-tee and a minor regression
in microchip/riscv.
- A defconfig change to bring back backlight support after a Kconfig change
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Merge tag 'arm-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These should be the final fixes for the soc tree for 6.8, as usual
they mostly deal wtih dts files:
- Qualcomm fixes for pcie4 on sc8280xp, a revert of msm8996 mpm
support, sm6115 interconnect and sm8650 gpio.
- Two fixes for Tegra234 ethernet
- A Makefile fix to actually build the allwinner based orange pi zero
2w device tree
- Fixes for clocks and reset on imx8mp and a DSI display regression
on imx7.
The non-DT fixes are:
- Firmware fixes addressing a kernel panic in op-tee and a minor
regression in microchip/riscv.
- A defconfig change to bring back backlight support after a Kconfig
change"
* tag 'arm-fixes-6.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
firmware: microchip: Fix over-requested allocation size
tee: optee: Fix kernel panic caused by incorrect error handling
Revert "arm64: dts: qcom: msm8996: Hook up MPM"
arm64: dts: qcom: sc8280xp-x13s: limit pcie4 link speed
arm64: dts: qcom: sc8280xp-crd: limit pcie4 link speed
arm64: dts: imx8mp: Fix LDB clocks property
arm64: dts: imx8mp: Fix TC9595 reset GPIO on DH i.MX8M Plus DHCOM SoM
MAINTAINERS: Use a proper mailinglist for NXP i.MX development
ARM: dts: imx7: remove DSI port endpoints
arm64: dts: allwinner: h616: Add Orange Pi Zero 2W to Makefile
ARM: imx_v6_v7_defconfig: Restore CONFIG_BACKLIGHT_CLASS_DEVICE
arm64: tegra: Fix Tegra234 MGBE power-domains
arm64: tegra: Set the correct PHY mode for MGBE
arm64: dts: qcom: sm6115: Fix missing interconnect-names
arm64: dts: qcom: sm8650-mtp: add gpio74 as reserved gpio
arm64: dts: qcom: sm8650-qrd: add gpio74 as reserved gpio
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Merge tag 'v6.8-p6' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix potential use-after-frees in rk3288 and sun8i-ce"
* tag 'v6.8-p6' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: rk3288 - Fix use after free in unprepare
crypto: sun8i-ce - Fix use after free in unprepare
Due to a long-standing issue in driver core, drivers may not probe defer
after having registered child devices to avoid triggering a probe
deferral loop (see fbc35b45f9 ("Add documentation on meaning of
-EPROBE_DEFER")).
Move registration of the typec switch to after looking up clocks and
other resources.
Note that PHY creation can in theory also trigger a probe deferral when
a 'phy' supply is used. This does not seem to affect the QMP PHY driver
but the PHY subsystem should be reworked to address this (i.e. by
separating initialisation and registration of the PHY).
Fixes: 2851117f8f ("phy: qcom-qmp-combo: Introduce orientation switching")
Cc: stable@vger.kernel.org # 6.5
Cc: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240217150228.5788-7-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Due to a long-standing issue in driver core, drivers may not probe defer
after having registered child devices to avoid triggering a probe
deferral loop (see fbc35b45f9 ("Add documentation on meaning of
-EPROBE_DEFER")).
This could potentially also trigger a bug in the DRM bridge
implementation which does not expect bridges to go away even if device
links may avoid triggering this (when enabled).
Move registration of the DRM aux bridge to after looking up clocks and
other resources.
Note that PHY creation can in theory also trigger a probe deferral when
a 'phy' supply is used. This does not seem to affect the QMP PHY driver
but the PHY subsystem should be reworked to address this (i.e. by
separating initialisation and registration of the PHY).
Fixes: 35921910bb ("phy: qcom: qmp-combo: switch to DRM_AUX_BRIDGE")
Fixes: 1904c3f578 ("phy: qcom-qmp-combo: Introduce drm_bridge")
Cc: stable@vger.kernel.org # 6.5
Cc: Bjorn Andersson <quic_bjorande@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240217150228.5788-6-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Move psr_init_dpcd() from init-connector to connector-detect
function. The dpcd probe for checking panel replay capability
for external dp connector is causing delay during boot which can
be optimized by moving dpcd probe to connector specific detect().
v1: Initial version.
v2: Add details in commit description. [Jani]
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10284
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Fixes: cceeaa312d ("drm/i915/panelreplay: Enable panel replay dpcd initialization for DP")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240229043716.4065760-1-animesh.manna@intel.com
(cherry picked from commit 1cca19bf29)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Commit 5a95f1ded2 ("firewire: ohci: use devres for requested IRQ")
also removed the call to free_irq() in pci_remove(), leading to a
leftover irq of devm_request_irq() at pci_disable_msi() in pci_remove()
when unbinding the driver from the device
remove_proc_entry: removing non-empty directory 'irq/136', leaking at
least 'firewire_ohci'
Call Trace:
? remove_proc_entry+0x19c/0x1c0
? __warn+0x81/0x130
? remove_proc_entry+0x19c/0x1c0
? report_bug+0x171/0x1a0
? console_unlock+0x78/0x120
? handle_bug+0x3c/0x80
? exc_invalid_op+0x17/0x70
? asm_exc_invalid_op+0x1a/0x20
? remove_proc_entry+0x19c/0x1c0
unregister_irq_proc+0xf4/0x120
free_desc+0x3d/0xe0
? kfree+0x29f/0x2f0
irq_free_descs+0x47/0x70
msi_domain_free_locked.part.0+0x19d/0x1d0
msi_domain_free_irqs_all_locked+0x81/0xc0
pci_free_msi_irqs+0x12/0x40
pci_disable_msi+0x4c/0x60
pci_remove+0x9d/0xc0 [firewire_ohci
01b483699bebf9cb07a3d69df0aa2bee71db1b26]
pci_device_remove+0x37/0xa0
device_release_driver_internal+0x19f/0x200
unbind_store+0xa1/0xb0
remove irq with devm_free_irq() before pci_disable_msi()
also remove it in fail_msi: of pci_probe() as this would lead to
an identical leak
Cc: stable@vger.kernel.org
Fixes: 5a95f1ded2 ("firewire: ohci: use devres for requested IRQ")
Signed-off-by: Edmund Raile <edmund.raile@proton.me>
Link: https://lore.kernel.org/r/20240229144723.13047-2-edmund.raile@proton.me
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
The DSC HW state of DP connectors is read out during driver loading and
system resume in intel_modeset_update_connector_atomic_state(). This
function is called for all connectors though and so the state of DSI
connectors will also get updated incorrectly, triggering a WARN there
wrt. the DSC decompression AUX device.
Fix the above by moving the DSC state readout to a new DP connector
specific sync_state() hook. This is anyway the logical place to update
the connector object's state vs. the connector's atomic state.
Fixes: b2608c6b32 ("drm/i915/dp_mst: Enable MST DSC decompression for all streams")
Reported-and-tested-by: Drew Davenport <ddavenport@chromium.org>
Closes: https://lore.kernel.org/all/Zb0q8IDVXS0HxJyj@chromium.org
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240205132631.1588577-1-imre.deak@intel.com
(cherry picked from commit a62e145981)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Third argument of i915_request_wait() accepts a timeout value in jiffies.
Most users pass either a simple HZ based expression, or a result of
msecs_to_jiffies(), or MAX_SCHEDULE_TIMEOUT, or a very small number not
exceeding 4 if applicable as that value. However, there is one user --
intel_selftest_wait_for_rq() -- that passes a WAIT_FOR_RESET_TIME symbol,
defined as a large constant value that most probably represents a desired
timeout in ms. While that usage results in the intended value of timeout
on usual x86_64 kernel configurations, it is not portable across different
architectures and custom kernel configs.
Rename the symbol to clearly indicate intended units and convert it to
jiffies before use.
Fixes: 3a4bfa091c ("drm/i915/selftest: Fix workarounds selftest for GuC submission")
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Cc: Rahul Kumar Singh <rahul.kumar.singh@intel.com>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240222113347.648945-2-janusz.krzysztofik@linux.intel.com
(cherry picked from commit 6ee3f54b88)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
If connection isn't established yet, get_mr() will fail, trigger connection after
get_mr().
Fixes: 584a8279a4 ("RDS: RDMA: return appropriate error on rdma map failures")
Reported-and-tested-by: syzbot+d4faee732755bba9838e@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The cursor is no longer initialized in the OSD client, causing the
sparse read state machine to fall into an infinite loop. The cursor
should be initialized in IN_S_PREPARE_SPARSE_DATA state.
[ idryomov: use msg instead of con->in_msg, changelog ]
Link: https://tracker.ceph.com/issues/64607
Fixes: 8e46a2d068 ("libceph: just wait for more data to be available on the socket")
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Tested-by: Luis Henriques <lhenriques@suse.de>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-03-05 (idpf, ice, i40e, igc, e1000e)
This series contains updates to idpf, ice, i40e, igc and e1000e drivers.
Emil disables local BH on NAPI schedule for proper handling of softirqs
on idpf.
Jake stops reporting of virtchannel RSS option which in unsupported on
ice.
Rand Deeb adds null check to prevent possible null pointer dereference
on ice.
Michal Schmidt moves DPLL mutex initialization to resolve uninitialized
mutex usage for ice.
Jesse fixes incorrect variable usage for calculating Tx stats on ice.
Ivan Vecera corrects logic for firmware equals check on i40e.
Florian Kauer prevents memory corruption for XDP_REDIRECT on igc.
Sasha reverts an incorrect use of FIELD_GET which caused a regression
for Wake on LAN on e1000e.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This flag is only set by one single user: the magical core dumping code
that looks up user pages one by one, and then writes them out using
their kernel addresses (by using a BVEC_ITER).
That actually ends up being a huge problem, because while we do use
copy_mc_to_kernel() for this case and it is able to handle the possible
machine checks involved, nothing else is really ready to handle the
failures caused by the machine check.
In particular, as reported by Tong Tiangen, we don't actually support
fault_in_iov_iter_readable() on a machine check area.
As a result, the usual logic for writing things to a file under a
filesystem lock, which involves doing a copy with page faults disabled
and then if that fails trying to fault pages in without holding the
locks with fault_in_iov_iter_readable() does not work at all.
We could decide to always just make the MC copy "succeed" (and filling
the destination with zeroes), and that would then create a core dump
file that just ignores any machine checks.
But honestly, this single special case has been problematic before, and
means that all the normal iov_iter code ends up slightly more complex
and slower.
See for example commit c9eec08bac ("iov_iter: Don't deal with
iter->copy_mc in memcpy_from_iter_mc()") where David Howells
re-organized the code just to avoid having to check the 'copy_mc' flags
inside the inner iov_iter loops.
So considering that we have exactly one user, and that one user is a
non-critical special case that doesn't actually ever trigger in real
life (Tong found this with manual error injection), the sane solution is
to just decide that the onus on handling the machine check lines on that
user instead.
Ergo, do the copy_mc_to_kernel() in the core dump logic itself, copying
the user data to a stable kernel page before writing it out.
Fixes: f1982740f5 ("iov_iter: Convert iterate*() to inline funcs")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
Link: https://lore.kernel.org/r/20240305133336.3804360-1-tongtiangen@huawei.com
Link: https://lore.kernel.org/all/4e80924d-9c85-f13a-722a-6a5d2b1c225a@huawei.com/
Tested-by: David Howells <dhowells@redhat.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reported-by: Tong Tiangen <tongtiangen@huawei.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Mike Yu says:
====================
In the XFRM stack, whether a packet is forwarded to the IPv4
or IPv6 stack depends on the family field of the matched SA.
This does not completely work for IPsec packet offload in some
scenario, for example, sending an IPv6 packet that will be
encrypted and encapsulated as an IPv4 packet in HW.
Here are the patches to make IPsec packet offload work on the
mentioned scenario.
====================
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
A single minor fix for an oversized allocation due to sizeof() misuse by
yours truly that came in since I sent my last fixes PR.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-firmware-for-v6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes
RISC-V firmware drivers for v6.9
A single minor fix for an oversized allocation due to sizeof() misuse by
yours truly that came in since I sent my last fixes PR.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-firmware-for-v6.9' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
firmware: microchip: Fix over-requested allocation size
Link: https://lore.kernel.org/r/20240305-vicinity-dumpling-8943ef26f004@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
