Here are a bunch of small USB fixes for reported problems and
regressions for 6.9-rc2. Included in here are:
- deadlock fixes for long-suffering issues
- USB phy driver revert for reported problem
- typec fixes for reported problems
- duplicate id in dwc3 dropped
- dwc2 driver fixes
- udc driver warning fix
- cdc-wdm race bugfix
- other tiny USB bugfixes
All of these have been in linux-next this past week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a bunch of small USB fixes for reported problems and
regressions for 6.9-rc2. Included in here are:
- deadlock fixes for long-suffering issues
- USB phy driver revert for reported problem
- typec fixes for reported problems
- duplicate id in dwc3 dropped
- dwc2 driver fixes
- udc driver warning fix
- cdc-wdm race bugfix
- other tiny USB bugfixes
All of these have been in linux-next this past week with no reported
issues"
* tag 'usb-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
USB: core: Fix deadlock in port "disable" sysfs attribute
USB: core: Add hub_get() and hub_put() routines
usb: typec: ucsi: Check capabilities before cable and identity discovery
usb: typec: ucsi: Clear UCSI_CCI_RESET_COMPLETE before reset
usb: typec: ucsi_acpi: Refactor and fix DELL quirk
usb: typec: ucsi: Ack unsupported commands
usb: typec: ucsi: Check for notifications after init
usb: typec: ucsi: Clear EVENT_PENDING under PPM lock
usb: typec: Return size of buffer if pd_set operation succeeds
usb: udc: remove warning when queue disabled ep
usb: dwc3: pci: Drop duplicate ID
usb: dwc3: Properly set system wakeup
Revert "usb: phy: generic: Get the vbus supply"
usb: cdc-wdm: close race between read and workqueue
usb: dwc2: gadget: LPM flow fix
usb: dwc2: gadget: Fix exiting from clock gating
usb: dwc2: host: Fix ISOC flow in DDMA mode
usb: dwc2: host: Fix remote wakeup from hibernation
usb: dwc2: host: Fix hibernation flow
USB: core: Fix deadlock in usb_deauthorize_interface()
...
Here are two small staging driver fixes for the vc04_services driver
that resolve reported problems:
- strncpy fix for information leak
- another information leak discovered by the previous strncpy fix
Both of these have been in linux-next all this past week with no
reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for the vc04_services driver
that resolve reported problems:
- strncpy fix for information leak
- another information leak discovered by the previous strncpy fix
Both of these have been in linux-next all this past week with no
reported issues"
* tag 'staging-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vc04_services: fix information leak in create_component()
staging: vc04_services: changen strncpy() to strscpy_pad()
malfunctions on some Lenovo P1 models by incorrectly overwriting
a status variable during successful SMBUS transactions.
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Merge tag 'i2c-host-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
One fix in the i801 driver where a bug caused touchpad
malfunctions on some Lenovo P1 models by incorrectly overwriting
a status variable during successful SMBUS transactions.
Commit c33621b4c5 ("x86/virt/tdx: Wire up basic SEAMCALL functions")
introduced a new instance of core-y instead of the standardized obj-y
syntax.
X86 Makefiles descend into subdirectories of arch/x86/virt inconsistently;
into arch/x86/virt/ via core-y defined in arch/x86/Makefile, but into
arch/x86/virt/svm/ via obj-y defined in arch/x86/Kbuild.
This is problematic when you build a single object in parallel because
multiple threads attempt to build the same file.
$ make -j$(nproc) arch/x86/virt/vmx/tdx/seamcall.o
[ snip ]
AS arch/x86/virt/vmx/tdx/seamcall.o
AS arch/x86/virt/vmx/tdx/seamcall.o
fixdep: error opening file: arch/x86/virt/vmx/tdx/.seamcall.o.d: No such file or directory
make[4]: *** [scripts/Makefile.build:362: arch/x86/virt/vmx/tdx/seamcall.o] Error 2
Use the obj-y syntax, as it works correctly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240330060554.18524-1-masahiroy@kernel.org
These ASUS laptops use the Realtek HDA codec combined with a number of
CS35L56 amplifiers.
The SSID of the GA403U matches a previous ASUS laptop - we can tell them
apart because they use different codecs.
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Message-ID: <20240329112803.23897-1-simont@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This kselftest fixes update for Linux 6.9-rc2 consists of fixes
to seccomp and ftrace tests and a change to add config file for
dmabuf-heap test to increase coverage.
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Merge tag 'linux_kselftest-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"Fixes to seccomp and ftrace tests and a change to add config file for
dmabuf-heap test to increase coverage"
* tag 'linux_kselftest-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: dmabuf-heap: add config file for the test
selftests/seccomp: Try to fit runtime of benchmark into timeout
selftests/ftrace: Fix event filter target_func selection
This kunit update for Linux 6.9-rc2 consists of one urgent fix for
--alltests build failure related to renaming of CONFIG_DAMON_DBGFS
to DAMON_DBGFS_DEPRECATED to the missing config option.
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Merge tag 'linux_kselftest-kunit-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit fixes from Shuah Khan:
"One urgent fix for --alltests build failure related to renaming of
CONFIG_DAMON_DBGFS to DAMON_DBGFS_DEPRECATED to the missing config
option"
* tag 'linux_kselftest-kunit-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: configs: Enable CONFIG_DAMON_DBGFS_DEPRECATED for --alltests
- Bluetooth: Fix TOCTOU in HCI debugfs implementation
- Bluetooth: hci_event: set the conn encrypted before conn establishes
- Bluetooth: qca: fix device-address endianness
- Bluetooth: hci_sync: Fix not checking error on hci_cmd_sync_cancel_sync
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Merge tag 'for-net-2024-03-29' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- Bluetooth: Fix TOCTOU in HCI debugfs implementation
- Bluetooth: hci_event: set the conn encrypted before conn establishes
- Bluetooth: qca: fix device-address endianness
- Bluetooth: hci_sync: Fix not checking error on hci_cmd_sync_cancel_sync
* tag 'for-net-2024-03-29' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: Fix TOCTOU in HCI debugfs implementation
Bluetooth: hci_event: set the conn encrypted before conn establishes
Bluetooth: hci_sync: Fix not checking error on hci_cmd_sync_cancel_sync
Bluetooth: qca: fix device-address endianness
Bluetooth: add quirk for broken address properties
arm64: dts: qcom: sc7180-trogdor: mark bluetooth address as broken
dt-bindings: bluetooth: add 'qcom,local-bd-address-broken'
Revert "Bluetooth: hci_qca: Set BDA quirk bit if fwnode exists in DT"
====================
Link: https://lore.kernel.org/r/20240329140453.2016486-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Kuniyuki Iwashima says:
====================
tcp: Fix bind() regression and more tests.
bhash2 has not been well tested for IPV6_V6ONLY option.
This series fixes two regression around IPV6_V6ONLY, one of which
has been there since bhash2 introduction, and another is introduced
by a recent change.
Also, this series adds as many tests as possible to catch regression
easily. The baseline is 28044fc1d495~ which is pre-bhash2 commit.
Tested on 28044fc1d495~:
# PASSED: 132 / 132 tests passed.
# Totals: pass:132 fail:0 xfail:0 xpass:0 skip:0 error:0
net.git:
# FAILED: 125 / 132 tests passed.
# Totals: pass:125 fail:7 xfail:0 xpass:0 skip:0 error:0
With this series:
# PASSED: 132 / 132 tests passed.
# Totals: pass:132 fail:0 xfail:0 xpass:0 skip:0 error:0
v1: https://lore.kernel.org/netdev/20240325181923.48769-1-kuniyu@amazon.com/
====================
Link: https://lore.kernel.org/r/20240326204251.51301-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch adds two tests using SO_REUSEADDR and SO_REUSEPORT and
defines errno for each test case.
SO_REUSEADDR/SO_REUSEPORT is set for the per-fixture two bind()
calls.
The notable pattern is the pair of v6only [::] and plain [::].
The two sockets are put into the same tb2, where per-bucket v6only
flag would be useless to detect bind() conflict.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-9-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
bhash2 was not well tested for IPv6-only sockets.
This patch adds test cases where we set IPV6_V6ONLY for per-fixture
bind() calls if variant->ipv6_only[i] is true.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-8-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In addtition to the two addresses defined in the fixtures, this patch
add 6 more bind calls():
* 0.0.0.0
* 127.0.0.1
* ::
* ::1
* ::ffff:0.0.0.0
* ::ffff:127.0.0.1
The first two per-fixture bind() calls control how inet_bind2_bucket
is created, and the rest 6 bind() calls cover as many conflicting
patterns as possible.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-7-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We don't have bind() conflict tests for the same protocol pairs.
Let's add them except for the same address pair, which will be
covered by the following patch adding 6 more bind() calls for
each test case.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-6-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, bind_wildcard.c calls bind() twice for two addresses and
checks the pre-defined errno against the 2nd call. Also, the two
bind() calls are swapped to cover various patterns how bind buckets
are created.
However, only testing two addresses is insufficient to detect regression.
So, we will add more bind() calls, and then, we need to define different
errno for each bind() per test case.
As a prepartion, let's define the reverse order bind() test cases as
fixtures.
No functional changes are intended.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-5-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, bind_wildcard.c tests only (IPv4, IPv6) pairs, but we will
add more tests for the same protocol pairs.
This patch makes it possible by changing the address pointer to void.
No functional changes are intended.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Jianguo Wu reported another bind() regression introduced by bhash2.
Calling bind() for the following 3 addresses on the same port, the
3rd one should fail but now succeeds.
1. 0.0.0.0 or ::ffff:0.0.0.0
2. [::] w/ IPV6_V6ONLY
3. IPv4 non-wildcard address or v4-mapped-v6 non-wildcard address
The first two bind() create tb2 like this:
bhash2 -> tb2(:: w/ IPV6_V6ONLY) -> tb2(0.0.0.0)
The 3rd bind() will match with the IPv6 only wildcard address bucket
in inet_bind2_bucket_match_addr_any(), however, no conflicting socket
exists in the bucket. So, inet_bhash2_conflict() will returns false,
and thus, inet_bhash2_addr_any_conflict() returns false consequently.
As a result, the 3rd bind() bypasses conflict check, which should be
done against the IPv4 wildcard address bucket.
So, in inet_bhash2_addr_any_conflict(), we must iterate over all buckets.
Note that we cannot add ipv6_only flag for inet_bind2_bucket as it
would confuse the following patetrn.
1. [::] w/ SO_REUSE{ADDR,PORT} and IPV6_V6ONLY
2. [::] w/ SO_REUSE{ADDR,PORT}
3. IPv4 non-wildcard address or v4-mapped-v6 non-wildcard address
The first bind() would create a bucket with ipv6_only flag true,
the second bind() would add the [::] socket into the same bucket,
and the third bind() could succeed based on the wrong assumption
that ipv6_only bucket would not conflict with v4(-mapped-v6) address.
Fixes: 28044fc1d4 ("net: Add a bhash2 table hashed by port and address")
Diagnosed-by: Jianguo Wu <wujianguo106@163.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 5e07e67241 ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard
address.") introduced bind() regression for v4-mapped-v6 address.
When we bind() the following two addresses on the same port, the 2nd
bind() should succeed but fails now.
1. [::] w/ IPV6_ONLY
2. ::ffff:127.0.0.1
After the chagne, v4-mapped-v6 uses bhash2 instead of bhash to
detect conflict faster, but I forgot to add a necessary change.
During the 2nd bind(), inet_bind2_bucket_match_addr_any() returns
the tb2 bucket of [::], and inet_bhash2_conflict() finally calls
inet_bind_conflict(), which returns true, meaning conflict.
inet_bhash2_addr_any_conflict
|- inet_bind2_bucket_match_addr_any <-- return [::] bucket
`- inet_bhash2_conflict
`- __inet_bhash2_conflict <-- checks IPV6_ONLY for AF_INET
| but not for v4-mapped-v6 address
`- inet_bind_conflict <-- does not check address
inet_bind_conflict() does not check socket addresses because
__inet_bhash2_conflict() is expected to do so.
However, it checks IPV6_V6ONLY attribute only against AF_INET
socket, and not for v4-mapped-v6 address.
As a result, v4-mapped-v6 address conflicts with v6-only wildcard
address.
To avoid that, let's add the missing test to use bhash2 for
v4-mapped-v6 address.
Fixes: 5e07e67241 ("tcp: Use bhash2 for v4-mapped-v6 non-wildcard address.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240326204251.51301-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
At current x1e80100 interface table, interface #3 is wrongly
connected to DP controller #0 and interface #4 wrongly connected
to DP controller #2. Fix this problem by connect Interface #3 to
DP controller #0 and interface #4 connect to DP controller #1.
Also add interface #6, #7 and #8 connections to DP controller to
complete x1e80100 interface table.
Changs in V3:
-- add v2 changes log
Changs in V2:
-- add x1e80100 to subject
-- add Fixes
Fixes: e3b1f369db ("drm/msm/dpu: Add X1E80100 support")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/585549/
Link: https://lore.kernel.org/r/1711741586-9037-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
The data from catalog is marked as const, so it is a part of the RO
segment. Allowing userspace to write to it through debugfs can cause
protection faults. Set debugfs file mode to read-only for debug entries
corresponding to perf_cfg coming from catalog.
Fixes: abda0d925f ("drm/msm/dpu: Mark various data tables as const")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582844/
Link: https://lore.kernel.org/r/20240314-dpu-perf-rework-v3-1-79fa4e065574@linaro.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
These debug prints are missing newlines, leading to multiple messages
being printed on one line and hard to read logs. Add newlines to have
the debug prints on separate lines. The DBG macro used to add a newline,
but I missed that while migrating to drm_dbg wrappers.
Fixes: 7cb017db18 ("drm/msm: Move FB debug prints to drm_dbg_state()")
Fixes: 721c6e0c6a ("drm/msm: Move vblank debug prints to drm_dbg_vbl()")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/584769/
Link: https://lore.kernel.org/r/20240325210810.1340820-1-swboyd@chromium.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Make sure to balance the runtime PM usage counter (and suspend) before
returning on connect failures (e.g. DPCD read failures after a spurious
connect event or if link training fails).
Fixes: 5814b8bf08 ("drm/msm/dp: incorporate pm_runtime framework into DP driver")
Cc: stable@vger.kernel.org # 6.8
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582746/
Link: https://lore.kernel.org/r/20240313164306.23133-3-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Make sure to put the runtime PM usage count (and suspend) also when
receiving a disconnect event while in the ST_MAINLINK_READY state.
This specifically avoids leaking a runtime PM usage count on every
disconnect with display servers that do not automatically enable
external displays when receiving a hotplug notification.
Fixes: 5814b8bf08 ("drm/msm/dp: incorporate pm_runtime framework into DP driver")
Cc: stable@vger.kernel.org # 6.8
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/582744/
Link: https://lore.kernel.org/r/20240313164306.23133-2-johan+linaro@kernel.org
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
The config fragment enlists all the config options needed for the test.
This config is merged into the kernel's config on which this test is
run.
Fixed whitespace errors during commit:
Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The seccomp benchmark runs five scenarios, one calibration run with no
seccomp filters enabled then four further runs each adding a filter. The
calibration run times itself for 15s and then each additional run executes
for the same number of times.
Currently the seccomp tests, including the benchmark, run with an extended
120s timeout but this is not sufficient to robustly run the tests on a lot
of platforms. Sample timings from some recent runs:
Platform Run 1 Run 2 Run 3 Run 4
--------- ----- ----- ----- -----
PowerEdge R200 16.6s 16.6s 31.6s 37.4s
BBB (arm) 20.4s 20.4s 54.5s
Synquacer (arm64) 20.7s 23.7s 40.3s
The x86 runs from the PowerEdge are quite marginal and routinely fail, for
the successful run reported here the timed portions of the run are at
117.2s leaving less than 3s of margin which is frequently breached. The
added overhead of adding filters on the other platforms is such that there
is no prospect of their runs fitting into the 120s timeout, especially
on 32 bit arm where there is no BPF JIT.
While we could lower the time we calibrate for I'm also already seeing the
currently completing runs reporting issues with the per filter overheads
not matching expectations:
Let's instead raise the timeout to 180s which is only a 50% increase on the
current timeout which is itself not *too* large given that there's only two
tests in this suite.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The event filter function test has been failing in our internal test
farm:
| # not ok 33 event filter function - test event filtering on functions
Running the test in verbose mode indicates that this is because the test
erroneously determines that kmem_cache_free() is the most common caller
of kmem_cache_free():
# # + cut -d: -f3 trace
# # + sed s/call_site=([^+]*)+0x.*/1/
# # + sort
# # + uniq -c
# # + sort
# # + tail -n 1
# # + sed s/^[ 0-9]*//
# # + target_func=kmem_cache_free
... and as kmem_cache_free() doesn't call itself, setting this as the
filter function for kmem_cache_free() results in no hits, and
consequently the test fails:
# # + grep kmem_cache_free trace
# # + grep kmem_cache_free
# # + wc -l
# # + hitcnt=0
# # + grep kmem_cache_free trace
# # + grep -v kmem_cache_free
# # + wc -l
# # + misscnt=0
# # + [ 0 -eq 0 ]
# # + exit_fail
This seems to be because the system in question has tasks with ':' in
their name (which a number of kernel worker threads have). These show up
in the trace, e.g.
test:.sh-1299 [004] ..... 2886.040608: kmem_cache_free: call_site=putname+0xa4/0xc8 ptr=000000000f4d22f4 name=names_cache
... and so when we try to extact the call_site with:
cut -d: -f3 trace | sed 's/call_site=\([^+]*\)+0x.*/\1/'
... the 'cut' command will extrace the column containing
'kmem_cache_free' rather than the column containing 'call_site=...', and
the 'sed' command will leave this unchanged. Consequently, the test will
decide to use 'kmem_cache_free' as the filter function, resulting in the
failure seen above.
Fix this by matching the 'call_site=<func>' part specifically to extract
the function name.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-trace-kernel@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
On devices that support DASH, the current code in the "rtl_loop_wait" function
raises false alarms when DASH is disabled. This occurs because the function
attempts to wait for the DASH firmware to be ready, even though it's not
relevant in this case.
r8169 0000:0c:00.0 eth0: RTL8168ep/8111ep, 38:7c:76:49:08:d9, XID 502, IRQ 86
r8169 0000:0c:00.0 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko]
r8169 0000:0c:00.0 eth0: DASH disabled
...
r8169 0000:0c:00.0 eth0: rtl_ep_ocp_read_cond == 0 (loop: 30, delay: 10000).
This patch modifies the driver start/stop functions to skip checking the DASH
firmware status when DASH is explicitly disabled. This prevents unnecessary
delays and false alarms.
The patch has been tested on several ThinkStation P8/PX workstations.
Fixes: 0ab0c45d8a ("r8169: add handling DASH when DASH is disabled")
Signed-off-by: Atlas Yu <atlas.yu@canonical.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20240328055152.18443-1-atlas.yu@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
otx2_rxtx_enable() return negative error code such as -EIO,
check -EIO rather than EIO to fix this problem.
Fixes: c926252205 ("octeontx2-pf: Disable packet I/O for graceful exit")
Signed-off-by: Su Hui <suhui@nfschina.com>
Reviewed-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://lore.kernel.org/r/20240328020620.4054692-1-suhui@nfschina.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is no reason to consume a full cacheline to store system_page_pool.
We can eventually move it to softnet_data later for full locality control.
Fixes: 2b0cfa6e49 ("net: add generic percpu page_pool allocator")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20240328173448.2262593-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If the MTU of one of an attached interface becomes too small to transmit
the local translation table then it must be resized to fit inside all
fragments (when enabled) or a single packet.
But if the MTU becomes too low to transmit even the header + the VLAN
specific part then the resizing of the local TT will never succeed. This
can for example happen when the usable space is 110 bytes and 11 VLANs are
on top of batman-adv. In this case, at least 116 byte would be needed.
There will just be an endless spam of
batman_adv: batadv0: Forced to purge local tt entries to fit new maximum fragment MTU (110)
in the log but the function will never finish. Problem here is that the
timeout will be halved all the time and will then stagnate at 0 and
therefore never be able to reduce the table even more.
There are other scenarios possible with a similar result. The number of
BATADV_TT_CLIENT_NOPURGE entries in the local TT can for example be too
high to fit inside a packet. Such a scenario can therefore happen also with
only a single VLAN + 7 non-purgable addresses - requiring at least 120
bytes.
While this should be handled proactively when:
* interface with too low MTU is added
* VLAN is added
* non-purgeable local mac is added
* MTU of an attached interface is reduced
* fragmentation setting gets disabled (which most likely requires dropping
attached interfaces)
not all of these scenarios can be prevented because batman-adv is only
consuming events without the the possibility to prevent these actions
(non-purgable MAC address added, MTU of an attached interface is reduced).
It is therefore necessary to also make sure that the code is able to handle
also the situations when there were already incompatible system
configuration are present.
Cc: stable@vger.kernel.org
Fixes: a19d3d85e1 ("batman-adv: limit local translation table max size")
Reported-by: syzbot+a6a4b5bb3da165594cff@syzkaller.appspotmail.com
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-03-26 (i40e)
This series contains updates to i40e driver only.
Ivan Vecera resolves an issue where descriptors could be missed when
exiting busy poll.
Aleksandr corrects counting of MAC filters to only include new or active
filters and resolves possible use of incorrect/stale 'vf' variable.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: fix vf may be used uninitialized in this function warning
i40e: fix i40e_count_filters() to count only active/new filters
i40e: Enforce software interrupt during busy-poll exit
====================
Link: https://lore.kernel.org/r/20240326162358.1224145-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The original version of the mitigation would patch in the calls to the
untraining routines directly. That is, the alternative() in UNTRAIN_RET
will patch in the CALL to srso_alias_untrain_ret() directly.
However, even if commit e7c25c441e ("x86/cpu: Cleanup the untrain
mess") meant well in trying to clean up the situation, due to micro-
architectural reasons, the untraining routine srso_alias_untrain_ret()
must be the target of a CALL instruction and not of a JMP instruction as
it is done now.
Reshuffle the alternative macros to accomplish that.
Fixes: e7c25c441e ("x86/cpu: Cleanup the untrain mess")
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
cp might be null, calling cp->cp_conn would produce null dereference
[Simon Horman adds:]
Analysis:
* cp is a parameter of __rds_rdma_map and is not reassigned.
* The following call-sites pass a NULL cp argument to __rds_rdma_map()
- rds_get_mr()
- rds_get_mr_for_dest
* Prior to the code above, the following assumes that cp may be NULL
(which is indicative, but could itself be unnecessary)
trans_private = rs->rs_transport->get_mr(
sg, nents, rs, &mr->r_key, cp ? cp->cp_conn : NULL,
args->vec.addr, args->vec.bytes,
need_odp ? ODP_ZEROBASED : ODP_NOT_NEEDED);
* The code modified by this patch is guarded by IS_ERR(trans_private),
where trans_private is assigned as per the previous point in this analysis.
The only implementation of get_mr that I could locate is rds_ib_get_mr()
which can return an ERR_PTR if the conn (4th) argument is NULL.
* ret is set to PTR_ERR(trans_private).
rds_ib_get_mr can return ERR_PTR(-ENODEV) if the conn (4th) argument is NULL.
Thus ret may be -ENODEV in which case the code in question will execute.
Conclusion:
* cp may be NULL at the point where this patch adds a check;
this patch does seem to address a possible bug
Fixes: c055fc00c0 ("net/rds: fix WARNING in rds_conn_connect_if_down")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Mahmoud Adam <mngyadam@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326153132.55580-1-mngyadam@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The switch has 4 ports with 2 internal PHYs, but ports are numbered up
to 6, with ports 0, 1, 5 and 6 being usable.
Fixes: 71d94a432a ("net: dsa: mv88e6xxx: add support for MV88E6020 switch")
Signed-off-by: Michael Krummsdorf <michael.krummsdorf@tq-group.com>
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240326123655.40666-1-matthias.schiffer@ew.tq-group.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Revert thermal core optimization that introduced a functional issue
causing a critical trip point to be crossed in some cases (Daniel
Lezcano).
- Add missing conversion between different state ranges to the
devfreq cooling device driver (Ye Zhang).
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Merge tag 'thermal-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These revert a problematic optimization commit and address a devfreq
cooling device issue.
Specifics:
- Revert thermal core optimization that introduced a functional issue
causing a critical trip point to be crossed in some cases (Daniel
Lezcano)
- Add missing conversion between different state ranges to the
devfreq cooling device driver (Ye Zhang)"
* tag 'thermal-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: devfreq_cooling: Fix perf state when calculate dfc res_util
Revert "thermal: core: Don't update trip points inside the hysteresis range"
- Drop __exit annotation from einj_remove() in the ACPI APEI code
because this function can be called during runtime (Arnd Bergmann).
- Make acpi_db_walk_for_fields() check acpi_evaluate_object() return
value to avoid accessing memory that has been freed (Nikita
Kiryushin).
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Merge tag 'acpi-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two issues that may lead to attempts to use memory that has
been freed already.
Specifics:
- Drop __exit annotation from einj_remove() in the ACPI APEI code
because this function can be called during runtime (Arnd Bergmann)
- Make acpi_db_walk_for_fields() check acpi_evaluate_object() return
value to avoid accessing memory that has been freed (Nikita
Kiryushin)"
* tag 'acpi-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: debugger: check status of acpi_evaluate_object() in acpi_db_walk_for_fields()
ACPI: APEI: EINJ: mark remove callback as non-__exit
The code wasn't exactly wrong, but it was very odd, and it used
FOLL_FORCE together with FOLL_WRITE when it really didn't need to (it
only set FOLL_WRITE for writable mappings, so then the FOLL_FORCE was
pointless).
It also pointlessly called __get_user_pages() even when it knew it
wouldn't populate anything because the vma wasn't accessible and it
explicitly tested for and did *not* set FOLL_FORCE for inaccessible
vma's.
This code does need to use FOLL_FORCE, because we want to do fault in
writable shared mappings, but then the mapping may not actually be
readable. And we don't want to use FOLL_WRITE (which would match the
permission of the vma), because that would also dirty the pages, which
we don't want to do.
For very similar reasons, FOLL_FORCE populates a executable-only mapping
with no read permissions. We don't have a FOLL_EXEC flag.
Yes, it would probably be cleaner to split FOLL_WRITE into two bits (for
separate permission and dirty bit handling), and add a FOLL_EXEC flag
for the "GUP executable page" case. That would allow us to avoid
FOLL_FORCE entirely here.
But that's not how our FOLL_xyz bits have traditionally worked, and that
would be a much bigger patch.
So this at least avoids the FOLL_FORCE | FOLL_WRITE combination that
made one of my experimental validation patches trigger a warning. That
warning was a false positive (and my experimental patch was incomplete
anyway), but it all made me look at this and decide to clean at least
this small case up.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 29a43dc130.
29a43dc130 ("PCI: Mark LSI FW643 to avoid bus reset") by Edmund was based
on the assumption that the LSI / Agere FW643 has a defect such that it
can't recover after a Secondary Bus Reset (SBR).
But Takashi Sakamoto reported that SBR works fine on this same FW643 device
in an AMD Ryzen 5 2400G system, so apparently there is some other aspect of
Edmund's system that accounts for the issue.
The down side of 29a43dc130 is that when the FW643 is assigned to a VM,
avoiding the SBR means we leak data out of the VM.
Revert 29a43dc130 until we figure out a better solution. In the
meantime, we can use the sysfs "reset_method" interface to restrict the
available reset methods.
Link: https://lore.kernel.org/r/20240328212302.1582483-1-helgaas@kernel.org
Fixes: 29a43dc130 ("PCI: Mark LSI FW643 to avoid bus reset")
Reported-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20240325012135.36861-1-o-takashi@sakamocchi.jp
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
- Revert to the old initrd memory allocation soft limit of INT_MAX,
which was dropped inadvertently
- Ensure that startup_32() is entered with a valid boot_params pointer
when using the new EFI mixed mode protocol
- Fix a compiler warning introduced by a fix from the previous PR
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Merge tag 'efi-fixes-for-v6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"These address all the outstanding EFI/x86 boot related regressions:
- Revert to the old initrd memory allocation soft limit of INT_MAX,
which was dropped inadvertently
- Ensure that startup_32() is entered with a valid boot_params
pointer when using the new EFI mixed mode protocol
- Fix a compiler warning introduced by a fix from the previous pull"
* tag 'efi-fixes-for-v6.9-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efistub: Reinstate soft limit for initrd loading
efi/libstub: Cast away type warning in use of max()
x86/efistub: Add missing boot_params for mixed mode compat entry
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Merge tag 'block-6.9-20240329' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"Small round of minor fixes or cleanups for the 6.9-rc2 kernel, one
fixing an issue introduced in 6.8"
* tag 'block-6.9-20240329' of git://git.kernel.dk/linux:
block: Do not force full zone append completion in req_bio_endio()
block: don't reject too large max_user_sectors in blk_validate_limits
block: Make blk_rq_set_mixed_merge() static
Fix warnings reported by smatch by initializing local 'ret' variable
to 0.
drivers/base/regmap/regcache-maple.c:186 regcache_maple_drop()
error: uninitialized symbol 'ret'.
drivers/base/regmap/regcache-maple.c:290 regcache_maple_sync()
error: uninitialized symbol 'ret'.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: f033c26de5 ("regmap: Add maple tree based register cache")
Link: https://lore.kernel.org/r/20240329144630.1965159-1-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- fix a procfs failure when requesting an interrupt with a label containing
the '/' character
- add missing stubs for GPIO lookup functions for !GPIOLIB
- fix debug messages that would print "(null)" for NULL strings
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Merge tag 'gpio-fixes-for-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix a procfs failure when requesting an interrupt with a label
containing the '/' character
- add missing stubs for GPIO lookup functions for !GPIOLIB
- fix debug messages that would print "(null)" for NULL strings
* tag 'gpio-fixes-for-v6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Fix debug messaging in gpiod_find_and_request()
gpiolib: Add stubs for GPIO lookup functions
gpio: cdev: sanitize the label before requesting the interrupt
The resolve_pseudo_ldimm64() function might have leaked file
descriptors when BPF_MAP_TYPE_ARENA was used in a program (some
error paths missed a corresponding fdput). Add missing fdputs.
v2:
remove unrelated changes from the fix
Fixes: 6082b6c328 ("bpf: Recognize addr_space_cast instruction in the verifier.")
Signed-off-by: Anton Protopopov <aspsk@isovalent.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Link: https://lore.kernel.org/r/20240329071106.67968-1-aspsk@isovalent.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The mlxbf_gige driver intermittantly encounters a NULL pointer
exception while the system is shutting down via "reboot" command.
The mlxbf_driver will experience an exception right after executing
its shutdown() method. One example of this exception is:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070
Mem abort info:
ESR = 0x0000000096000004
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x04: level 0 translation fault
Data abort info:
ISV = 0, ISS = 0x00000004
CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=000000011d373000
[0000000000000070] pgd=0000000000000000, p4d=0000000000000000
Internal error: Oops: 96000004 [#1] SMP
CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G S OE 5.15.0-bf.6.gef6992a #1
Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.0.2.12669 Apr 21 2023
pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige]
lr : mlxbf_gige_poll+0x54/0x160 [mlxbf_gige]
sp : ffff8000080d3c10
x29: ffff8000080d3c10 x28: ffffcce72cbb7000 x27: ffff8000080d3d58
x26: ffff0000814e7340 x25: ffff331cd1a05000 x24: ffffcce72c4ea008
x23: ffff0000814e4b40 x22: ffff0000814e4d10 x21: ffff0000814e4128
x20: 0000000000000000 x19: ffff0000814e4a80 x18: ffffffffffffffff
x17: 000000000000001c x16: ffffcce72b4553f4 x15: ffff80008805b8a7
x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101
x11: 7f7f7f7f7f7f7f7f x10: c2ac898b17576267 x9 : ffffcce720fa5404
x8 : ffff000080812138 x7 : 0000000000002e9a x6 : 0000000000000080
x5 : ffff00008de3b000 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige]
mlxbf_gige_poll+0x54/0x160 [mlxbf_gige]
__napi_poll+0x40/0x1c8
net_rx_action+0x314/0x3a0
__do_softirq+0x128/0x334
run_ksoftirqd+0x54/0x6c
smpboot_thread_fn+0x14c/0x190
kthread+0x10c/0x110
ret_from_fork+0x10/0x20
Code: 8b070000 f9000ea0 f95056c0 f86178a1 (b9407002)
---[ end trace 7cc3941aa0d8e6a4 ]---
Kernel panic - not syncing: Oops: Fatal exception in interrupt
Kernel Offset: 0x4ce722520000 from 0xffff800008000000
PHYS_OFFSET: 0x80000000
CPU features: 0x000005c1,a3330e5a
Memory Limit: none
---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---
During system shutdown, the mlxbf_gige driver's shutdown() is always executed.
However, the driver's stop() method will only execute if networking interface
configuration logic within the Linux distribution has been setup to do so.
If shutdown() executes but stop() does not execute, NAPI remains enabled
and this can lead to an exception if NAPI is scheduled while the hardware
interface has only been partially deinitialized.
The networking interface managed by the mlxbf_gige driver must be properly
stopped during system shutdown so that IFF_UP is cleared, the hardware
interface is put into a clean state, and NAPI is fully deinitialized.
Fixes: f92e1869d7 ("Add Mellanox BlueField Gigabit Ethernet driver")
Signed-off-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20240325210929.25362-1-davthompson@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
