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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"Fixes dynevent_limitations.tc test failure on dash by detecting and
handling bash and dash differences in evaluating \\"
* tag 'linux_kselftest-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Differentiate bash and dash in dynevent_limitations.tc
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Testing revealed the following error message for a CXL memdev that has
Feature support:
[ 56.690430] cxl mem0: Resources present before probing
Attach the allocation of cxl_fwctl to the parent device of cxl_memdev.
devm_add_* calls for cxl_memdev should not happen before the memdev
probe function or outside the scope of the memdev driver.
cxl_test missed this bug because cxl_test always arranges for the
cxl_mem driver to be loaded before cxl_mock_mem runs. So the driver core
always finds the devres list idle in that case.
[DJ: Updated subject title and added commit log suggestion from djbw]
Fixes: 858ce2f56b52 ("cxl: Add FWCTL support to CXL")
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Link: https://lore.kernel.org/linux-cxl/6801aea053466_71fe2944c@dwillia2-xfh.jf.intel.com.notmuch/
Link: https://patch.msgid.link/20250418002933.406439-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
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Pull block fixes from Jens Axboe:
- MD pull via Yu:
- fix raid10 missing discard IO accounting (Yu Kuai)
- fix bitmap stats for bitmap file (Zheng Qixing)
- fix oops while reading all member disks failed during
check/repair (Meir Elisha)
- NVMe pull via Christoph:
- fix scan failure for non-ANA multipath controllers (Hannes
Reinecke)
- fix multipath sysfs links creation for some cases (Hannes
Reinecke)
- PCIe endpoint fixes (Damien Le Moal)
- use NULL instead of 0 in the auth code (Damien Le Moal)
- Various ublk fixes:
- Slew of selftest additions
- Improvements and fixes for IO cancelation
- Tweak to Kconfig verbiage
- Fix for page dirtying for blk integrity mapped pages
- loop fixes:
- buffered IO fix
- uevent fixes
- request priority inheritance fix
- Various little fixes
* tag 'block-6.15-20250417' of git://git.kernel.dk/linux: (38 commits)
selftests: ublk: add generic_06 for covering fault inject
ublk: simplify aborting ublk request
ublk: remove __ublk_quiesce_dev()
ublk: improve detection and handling of ublk server exit
ublk: move device reset into ublk_ch_release()
ublk: rely on ->canceling for dealing with ublk_nosrv_dev_should_queue_io
ublk: add ublk_force_abort_dev()
ublk: properly serialize all FETCH_REQs
selftests: ublk: move creating UBLK_TMP into _prep_test()
selftests: ublk: add test_stress_05.sh
selftests: ublk: support user recovery
selftests: ublk: support target specific command line
selftests: ublk: increase max nr_queues and queue depth
selftests: ublk: set queue pthread's cpu affinity
selftests: ublk: setup ring with IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN
selftests: ublk: add two stress tests for zero copy feature
selftests: ublk: run stress tests in parallel
selftests: ublk: make sure _add_ublk_dev can return in sub-shell
selftests: ublk: cleanup backfile automatically
selftests: ublk: add io_uring uapi header
...
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Running the following commands was broken:
# cd /sys/kernel/tracing
# echo "filename.ustring ~ \"/proc*\"" > events/syscalls/sys_enter_openat/filter
# echo 1 > events/syscalls/sys_enter_openat/enable
# ls /proc/$$/maps
# cat trace
And would produce nothing when it should have produced something like:
ls-1192 [007] ..... 8169.828333: sys_openat(dfd: ffffffffffffff9c, filename: 7efc18359904, flags: 80000, mode: 0)
Add a test to check this case so that it will be caught if it breaks
again.
Link: https://lore.kernel.org/linux-trace-kernel/20250417183003.505835fb@gandalf.local.home/
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/20250418101208.38dc81f5@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Commit df6f8c4d72ae ("selftests/pcie_bwctrl: Add 'set_pcie_speed.sh' to
TEST_PROGS") added set_pcie_speed.sh into TEST_PROGS but that script is a
helper that is only being called by set_pcie_cooling_state.sh, not a test
case itself. When set_pcie_speed.sh is in TEST_PROGS, selftest harness will
execute also it leading to bwctrl selftest errors:
# selftests: pcie_bwctrl: set_pcie_speed.sh
# cat: /cur_state: No such file or directory
not ok 2 selftests: pcie_bwctrl: set_pcie_speed.sh # exit=1
Place set_pcie_speed.sh into TEST_FILES instead to have it included into
installed test files but not execute it from the test harness.
Fixes: df6f8c4d72ae ("selftests/pcie_bwctrl: Add 'set_pcie_speed.sh' to TEST_PROGS")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250417124529.11391-1-ilpo.jarvinen@linux.intel.com
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Add a 5-byte NOP uprobe trigger benchmark (x86_64 specific) to measure
uprobes/uretprobes on top of NOP5 instructions.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alan Maguire <alan.maguire@oracle.com>
Link: https://lore.kernel.org/r/20250414083647.1234007-2-jolsa@kernel.org
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Cross-merge networking fixes after downstream PR (net-6.15-rc3).
No conflicts. Adjacent changes:
tools/net/ynl/pyynl/ynl_gen_c.py
4d07bbf2d456 ("tools: ynl-gen: don't declare loop iterator in place")
7e8ba0c7de2b ("tools: ynl: don't use genlmsghdr in classic netlink")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth, CAN and Netfilter.
Current release - regressions:
- two fixes for the netdev per-instance locking
- batman-adv: fix double-hold of meshif when getting enabled
Current release - new code bugs:
- Bluetooth: increment TX timestamping tskey always for stream
sockets
- wifi: static analysis and build fixes for the new Intel sub-driver
Previous releases - regressions:
- net: fib_rules: fix iif / oif matching on L3 master (VRF) device
- ipv6: add exception routes to GC list in rt6_insert_exception()
- netfilter: conntrack: fix erroneous removal of offload bit
- Bluetooth:
- fix sending MGMT_EV_DEVICE_FOUND for invalid address
- l2cap: process valid commands in too long frame
- btnxpuart: Revert baudrate change in nxp_shutdown
Previous releases - always broken:
- ethtool: fix memory corruption during SFP FW flashing
- eth:
- hibmcge: fixes for link and MTU handling, pause frames etc
- igc: fixes for PTM (PCIe timestamping)
- dsa: b53: enable BPDU reception for management port
Misc:
- fixes for Netlink protocol schemas"
* tag 'net-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits)
net: ethernet: mtk_eth_soc: revise QDMA packet scheduler settings
net: ethernet: mtk_eth_soc: correct the max weight of the queue limit for 100Mbps
net: ethernet: mtk_eth_soc: reapply mdc divider on reset
net: ti: icss-iep: Fix possible NULL pointer dereference for perout request
net: ti: icssg-prueth: Fix possible NULL pointer dereference inside emac_xmit_xdp_frame()
net: ti: icssg-prueth: Fix kernel warning while bringing down network interface
netfilter: conntrack: fix erronous removal of offload bit
net: don't try to ops lock uninitialized devs
ptp: ocp: fix start time alignment in ptp_ocp_signal_set
net: dsa: avoid refcount warnings when ds->ops->tag_8021q_vlan_del() fails
net: dsa: free routing table on probe failure
net: dsa: clean up FDB, MDB, VLAN entries on unbind
net: dsa: mv88e6xxx: fix -ENOENT when deleting VLANs and MST is unsupported
net: dsa: mv88e6xxx: avoid unregistering devlink regions which were never registered
net: txgbe: fix memory leak in txgbe_probe() error path
net: bridge: switchdev: do not notify new brentries as changed
net: b53: enable BPDU reception for management port
netlink: specs: rt-neigh: prefix struct nfmsg members with ndm
netlink: specs: rt-link: adjust mctp attribute naming
netlink: specs: rtnetlink: attribute naming corrections
...
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Until we are certain that existing classful qdiscs work with bpf qdisc,
make sure we don't allow attaching a bpf qdisc to non root. Meanwhile,
attaching to mq is allowed.
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250409214606.2000194-11-ameryhung@gmail.com
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This test implements a more sophisticated qdisc using bpf. The bpf fair-
queueing (fq) qdisc gives each flow an equal chance to transmit data. It
also respects the timestamp of skb for rate limiting.
Signed-off-by: Amery Hung <amery.hung@bytedance.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250409214606.2000194-10-ameryhung@gmail.com
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This selftest includes a bare minimum fifo qdisc, which simply enqueues
sk_buffs into the back of a bpf list and dequeues from the front of the
list.
Signed-off-by: Amery Hung <amery.hung@bytedance.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20250409214606.2000194-9-ameryhung@gmail.com
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The ovpn-cli tool can be compiled and used as selftest for the ovpn
kernel module.
[NOTE: it depends on libmedtls for decoding base64-encoded keys]
ovpn-cli implements the netlink and RTNL APIs and can thus be integrated
in any script for more automated testing.
Along with the tool, a bunch of scripts are provided that perform basic
functionality tests by means of network namespaces.
These scripts take part to the kselftest automation.
The output of the scripts, which will appear in the kselftest
reports, is a list of steps performed by the scripts plus some
output coming from the execution of `ping`, `iperf` and `ovpn-cli`
itself.
In general it is useful only in case of failure, in order to
understand which step has failed and why.
Please note: since peer sockets are tied to the userspace
process that created them (i.e. exiting the process will result
in closing the socket), every run of ovpn-cli that created
one will go to background and enter pause(), waiting for the
signal which will allow it to terminate.
Termination is accomplished at the end of each script by
issuing a killall command.
Cc: linux-kselftest@vger.kernel.org
Cc: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20250415-b4-ovpn-v26-23-577f6097b964@openvpn.net
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"31 hotfixes.
9 are cc:stable and the remainder address post-6.15 issues or aren't
considered necessary for -stable kernels.
22 patches are for MM, 9 are otherwise"
* tag 'mm-hotfixes-stable-2025-04-16-19-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits)
MAINTAINERS: update HUGETLB reviewers
mm: fix apply_to_existing_page_range()
selftests/mm: fix compiler -Wmaybe-uninitialized warning
alloc_tag: handle incomplete bulk allocations in vm_module_tags_populate
mailmap: add entry for Jean-Michel Hautbois
mm: (un)track_pfn_copy() fix + doc improvements
mm: fix filemap_get_folios_contig returning batches of identical folios
mm/hugetlb: add a line break at the end of the format string
selftests: mincore: fix tmpfs mincore test failure
mm/hugetlb: fix set_max_huge_pages() when there are surplus pages
mm/cma: report base address of single range correctly
mm: page_alloc: speed up fallbacks in rmqueue_bulk()
kunit: slub: add module description
mm/kasan: add module decription
ucs2_string: add module description
zlib: add module description
fpga: tests: add module descriptions
samples/livepatch: add module descriptions
ASN.1: add module description
mm/vma: add give_up_on_oom option on modify/merge, use in uffd release
...
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Add one simple fault inject target, and verify if an application using ublk
device sees an I/O error quickly after the ublk server dies.
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250416035444.99569-9-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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test may exit early because of missing program or not having required
feature before calling _prep_test(), then $UBLK_TMP isn't cleaned.
Fix it by moving creating $UBLK_TMP into _prep_test(), any resources
created since _prep_test() will be cleaned by _cleanup_test().
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-14-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add test_stress_05.sh for covering removing device with recovery
enabled.
io-hang has been observed with the following patch:
https://lore.kernel.org/linux-block/20250403-ublk_timeout-v3-1-aa09f76c7451@purestorage.com/
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-13-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add user recovery feature.
Meantime add user recovery test: generic_04 and generic_05(zero copy)
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-12-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Support target specific command line for making related command line code
handling more readable & clean.
Also helps for adding new features.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-11-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Increase max nr_queues to 32, and queue depth to 1024.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-10-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In NUMA machine, ublk IO performance is very sensitive with queue
pthread's affinity setting.
Retrieve queue's affinity and select the 1st cpu as queue thread's sched
affinity, and it is observed that single cpu task affinity can get
stable & good performance if client application is put on proper cpu.
Dump this info when adding one ublk device. Use shmem to communicate
queue's tid between parent and daemon.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-9-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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IORING_SETUP_SINGLE_ISSUER/IORING_SETUP_DEFER_TASKRUN
It is observed that this way is more efficient for fast nvme backing
file.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-8-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add stress_03 & stress_04 for covering zero copy feature.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-7-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Run stress tests in parallel, meantime add shell local function to
simplify the two stress tests.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-6-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Detach ublk daemon from the starting process completely by double-fork and
clearing its process group, so that `_add_ublk_dev` can return from sub-shell.
Then it is more friendly for writing shell test script for adding/recovering
ublk device.
Prepare for running ublk test in parallel.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use global array of $UBLK_BACKFILES for storing all backfile name, then
clean them automatically.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-4-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add io_uring UAPI header so that ublk can work with latest uapi
definition.
Fix the following build failure:
stripe.c: In function ‘stripe_to_uring_op’:
stripe.c:120:29: error: ‘IORING_OP_READV_FIXED’ undeclared (first use in this function); did you mean ‘IORING_OP_READ_FIXED’?
120 | return zc ? IORING_OP_READV_FIXED : IORING_OP_READV;
| ^~~~~~~~~~~~~~~~~~~~~
| IORING_OP_READ_FIXED
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Fixes: 57ed58c13256 ("selftests: ublk: enable zero copy for stripe target")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Bounds check for iterator variable `i` is missed, so add it and fix
ublk_find_tgt().
Cc: Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250412023035.2649275-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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bash and dash evaluate variables differently.
dash will evaluate '\\' every time it is read whereas bash does not.
TEST_STRING="$TEST_STRING \\$i"
echo $TEST_STRING
With i=123
On bash, that will print "\123"
but on dash, that will print the escape sequence of \123 as the \ will be
interpreted again in the echo.
The dynevent_limitations.tc test created a very large list of arguments to
test the maximum number of arguments to pass to the dynamic events file.
It had a loop of:
TEST_STRING=$1
# Acceptable
for i in `seq 1 $MAX_ARGS`; do
TEST_STRING="$TEST_STRING \\$i"
done
echo "$TEST_STRING" >> dynamic_events
This worked fine on bash, but when run on dash it failed.
This was due to dash interpreting the "\\$i" twice. Once when it was
assigned to TEST_STRING and a second time with the echo $TEST_STRING.
bash does not process the backslash more than the first time.
To solve this, assign a double backslash to a variable "bs" and then echo
it to "ts". If "ts" changes, it is dash, if not, it is bash. Then update
"bs" accordingly, and use that to assign TEST_STRING.
Now this could possibly just check if "$BASH" is defined or not, but this
is testing if the issue exists and not just which shell is being used.
Link: https://lore.kernel.org/r/20250414210900.4de5e8b9@gandalf.local.home
Fixes: 581a7b26ab364 ("selftests/ftrace: Add dynamic events argument limitation test case")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/all/350786cc-9e40-4396-ab95-4f10d69122fb@sirena.org.uk/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The 32-bit sparc configuration (--arch sparc) crashes on
the kunit_fault_test. It's known that some architectures don't handle
deliberate segfaults in kernel mode well, so there's a config switch to
disable tests which rely upon it by default.
Use this for the sparc config, making sure the default config for it
passes.
Link: https://lore.kernel.org/r/20250416093826.1550040-1-davidgow@google.com
Fixes: 87c9c1631788 ("kunit: tool: add support for QEMU")
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Tested-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add a basic config to run kunit tests on 64-bit SPARC.
Link: https://lore.kernel.org/r/20250415-kunit-qemu-sparc64-v1-2-253906f61102@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The configuration generated by kunit ends up with a 32bit configuration.
A new kunit configuration for 64bit is to be added.
To make the difference clearer spell out the variant in the kunit
reference config.
Link: https://lore.kernel.org/r/20250415-kunit-qemu-sparc64-v1-1-253906f61102@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The extended general-purpose registers for APX may contain random data,
which is currently assumed by the xstate testing framework. This allows
the testing of the new userspace feature using the common test code.
Invoke the test entry function from apx.c after enumerating the
state component and adding it to the support list
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250416021720.12305-6-chang.seok.bae@intel.com
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Add tests for FIB rules that match on iif / oif being a VRF device. Test
both good and bad flows.
With previous patch ("net: fib_rules: Fix iif / oif matching on L3
master device"):
# ./fib_rule_tests.sh
[...]
Tests passed: 328
Tests failed: 0
Without it:
# ./fib_rule_tests.sh
[...]
Tests passed: 324
Tests failed: 4
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250414172022.242991-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Enabling a (modular) test should not silently enable additional kernel
functionality, as that may increase the attack vector of a product.
Fix this by making PRIME_NUMBERS_KUNIT_TEST depend on PRIME_NUMBERS
instead of selecting it.
After this, one can safely enable CONFIG_KUNIT_ALL_TESTS=m to build
modules for all appropriate tests for ones system, without pulling in
extra unwanted functionality, while still allowing a tester to manually
enable PRIME_NUMBERS and this test suite on a system where PRIME_NUMBERS
is not enabled by default. Resurrect CONFIG_PRIME_NUMBERS=m in
tools/testing/selftests/lib/config for the latter use case.
Fixes: 313b38a6ecb46db4 ("lib/prime_numbers: convert self-test to KUnit")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Tamir Duberstein <tamird@gmail.com>
Link: https://lore.kernel.org/r/40f8a40eef4930d3ac9febd205bc171eb04e171c.1744641237.git.geert@linux-m68k.org
Signed-off-by: Kees Cook <kees@kernel.org>
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./tools/testing/selftests/bpf/benchs/bench_sockmap.c: sys/types.h is included more than once.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=20436
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250415061459.11644-1-jiapeng.chong@linux.alibaba.com
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Add basic configs to run kunit tests on some more PowerPC variants.
Link: https://lore.kernel.org/r/20250415-kunit-ppc-v1-2-f5a170264147@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The configuration generated by kunit ends up with big endian.
A new kunit configuration for little endian is to be added.
To make the difference clearer spell out the endianness in the kunit
reference config.
Link: https://lore.kernel.org/r/20250415-kunit-ppc-v1-1-f5a170264147@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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To implement custom scripting around kunit.py it is useful to get a list of
available architectures. While it is possible to manually inspect
tools/testing/kunit/qemu_configs/, this is annoying to implement and
introduces a dependency on a kunit.py implementation detail.
Introduce 'kunit.py run --arch help' which lists all known architectures
in an easy to parse list. This is equivalent on how QEMU implements
listing of possible argument values.
Link: https://lore.kernel.org/r/20250415-kunit-list-v2-1-aa452cd317ae@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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mptcp_connect.c is a startup tutorial of MPTCP programming, however
there is a lack of ai_protocol(IPPROTO_MPTCP) usage. Add comment for
getaddrinfo MPTCP support.
This patch first uses IPPROTO_MPTCP to get addrinfo, and if glibc
version is too old, it falls back to using IPPROTO_TCP.
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250413-net-next-mptcp-sched-mib-sft-misc-v2-8-0f83a4350150@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It's strange that 'nlh' variable is set to NULL in get_mptcpinfo() and then
this NULL pointer is passed to recv_nlmsg(). In fact, this variable should
be defined in recv_nlmsg(), not get_mptcpinfo().
So this patch drops this useless 'nlh' parameter of recv_nlmsg() and define
'nlh' variable in recv_nlmsg().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250413-net-next-mptcp-sched-mib-sft-misc-v2-7-0f83a4350150@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The parent commit adds this new counter, incremented when receiving a
connection request, if the PM didn't allow the creation of new subflows.
Most of the time, it is then kept at 0, except when the PM limits cause
the receiver side to reject new MPJoin connections. This is the case in
the following tests:
- single subflow, limited by server
- multiple subflows, limited by server
- subflows limited by server w cookies
- userspace pm type rejects join
- userspace pm type prevents mp_prio
Simply set join_syn_rej=1 when checking the MPJoin counters for these
tests.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250413-net-next-mptcp-sched-mib-sft-misc-v2-6-0f83a4350150@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The kernel doc for gpio-aggregator configfs interface, which was recently
added, states that users should not be able to create an aggregator with a
name prefixed by "_sysfs" via configfs. However, it was found that this
guard does not function as expected (thanks to Dan Carpenter for
identifying and fixing the issue).
Add a test case to verify the guard.
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Link: https://lore.kernel.org/r/20250412150119.1461023-1-koichiro.den@canonical.com
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
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The default SH kunit configuration sets CONFIG_CMDLINE_OVERWRITE which
completely disregards the cmdline passed from the bootloader/QEMU in favor
of the builtin CONFIG_CMDLINE.
However the kunit tool needs to pass arguments to the in-kernel kunit core,
for filters and other runtime parameters.
Enable CONFIG_CMDLINE_EXTEND instead, so kunit arguments are respected.
Link: https://lore.kernel.org/r/20250407-kunit-sh-v1-1-f5432a54cf2f@linutronix.de
Fixes: 8110a3cab05e ("kunit: tool: Add support for SH under QEMU")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add a basic config to run kunit tests on riscv32.
Link: https://lore.kernel.org/r/20250407-kunit-qemu-riscv32-v1-1-7b9800034a35@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Enable CONFIG_INIT_STACK_ALL_PATTERN in all_tests.config. This helps
to detect use of uninitialized local variables.
This option found an uninitialized data bug in the cs_dsp test.
Link: https://lore.kernel.org/r/20250411095904.1593224-1-rf@opensource.cirrus.com
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add a sysctl test that uses the new u8 test ctl files in a created by
the sysctl test module. Check that the u8 proc file that is valid is
created and that there are two messages in dmesg for the files that were
out of range.
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Joel Granados <joel.granados@kernel.org>
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Add CONFIG_I2C and CONFIG_SND_SOC_CS35L56_I2C to all_tests.config
so that Cirrus Logic modules with KUnit tests will be built.
The CS35L56 driver doesn't currently have any KUnit tests itself,
but it enables two other libraries that have KUnit tests:
cs_dsp and cs-amp-lib.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20250411123608.1676462-2-rf@opensource.cirrus.com
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix build of memblock test.
Add missing stubs for mutex and free_reserved_area() to memblock
tests"
* tag 'fixes-2025-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: Fix mutex related build error
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Hide get_vm_area() from MMUless builds
The function get_vm_area() is not defined when CONFIG_MMU is not
defined. Hide that function within #ifdef CONFIG_MMU.
- Fix output of synthetic events when they have dynamic strings
The print fmt of the synthetic event's format file use to have "%.*s"
for dynamic size strings even though the user space exported
arguments had only __get_str() macro that provided just a nul
terminated string. This was fixed so that user space could parse this
properly.
But the reason that it had "%.*s" was because internally it provided
the maximum size of the string as one of the arguments. The fix that
replaced "%.*s" with "%s" caused the trace output (when the kernel
reads the event) to write "(efault)" as it would now read the length
of the string as "%s".
As the string provided is always nul terminated, there's no reason
for the internal code to use "%.*s" anyway. Just remove the length
argument to match the "%s" that is now in the format.
- Fix the ftrace subops hash logic of the manager ops hash
The function_graph uses the ftrace subops code. The subops code is a
way to have a single ftrace_ops registered with ftrace to determine
what functions will call the ftrace_ops callback. More than one user
of function graph can register a ftrace_ops with it. The function
graph infrastructure will then add this ftrace_ops as a subops with
the main ftrace_ops it registers with ftrace. This is because the
functions will always call the function graph callback which in turn
calls the subops ftrace_ops callbacks.
The main ftrace_ops must add a callback to all the functions that the
subops want a callback from. When a subops is registered, it will
update the main ftrace_ops hash to include the functions it wants.
This is the logic that was broken.
The ftrace_ops hash has a "filter_hash" and a "notrace_hash" where
all the functions in the filter_hash but not in the notrace_hash are
attached by ftrace. The original logic would have the main ftrace_ops
filter_hash be a union of all the subops filter_hashes and the main
notrace_hash would be a intersect of all the subops filter hashes.
But this was incorrect because the notrace hash depends on the
filter_hash it is associated to and not the union of all
filter_hashes.
Instead, when a subops is added, just include all the functions of
the subops hash that are in its filter_hash but not in its
notrace_hash. The main subops hash should not use its notrace hash,
unless all of its subops hashes have an empty filter_hash (which
means to attach to all functions), and then, and only then, the main
ftrace_ops notrace hash can be the intersect of all the subops
hashes.
This not only fixes the bug, but also simplifies the code.
- Add a selftest to better test the subops filtering
Add a selftest that would catch the bug fixed by the above change.
- Fix extra newline printed in function tracing with retval
The function parameter code changed the output logic slightly and
called print_graph_retval() and also printed a newline. The
print_graph_retval() also prints a newline which caused blank lines
to be printed in the function graph tracer when retval was added.
This caused one of the selftests to fail if retvals were enabled.
Instead remove the new line output from print_graph_retval() and have
the callers always print the new line so that it doesn't have to do
special logic if it calls print_graph_retval() or not.
- Fix out-of-bound memory access in the runtime verifier
When rv_is_container_monitor() is called on the last entry on the
link list it references the next entry, which is the list head and
causes an out-of-bound memory access.
* tag 'trace-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rv: Fix out-of-bound memory access in rv_is_container_monitor()
ftrace: Do not have print_graph_retval() add a newline
tracing/selftest: Add test to better test subops filtering of function graph
ftrace: Fix accounting of subop hashes
ftrace: Properly merge notrace hashes
tracing: Do not add length to print format in synthetic events
tracing: Hide get_vm_area() from MMUless builds
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Pull bpf fixes from Alexei Starovoitov:
- Followup fixes for resilient spinlock (Kumar Kartikeya Dwivedi):
- Make res_spin_lock test less verbose, since it was spamming BPF
CI on failure, and make the check for AA deadlock stronger
- Fix rebasing mistake and use architecture provided
res_smp_cond_load_acquire
- Convert BPF maps (queue_stack and ringbuf) to resilient spinlock
to address long standing syzbot reports
- Make sure that classic BPF load instruction from SKF_[NET|LL]_OFF
offsets works when skb is fragmeneted (Willem de Bruijn)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Convert ringbuf map to rqspinlock
bpf: Convert queue_stack map to rqspinlock
bpf: Use architecture provided res_smp_cond_load_acquire
selftests/bpf: Make res_spin_lock AA test condition stronger
selftests/net: test sk_filter support for SKF_NET_OFF on frags
bpf: support SKF_NET_OFF and SKF_LL_OFF on skb frags
selftests/bpf: Make res_spin_lock test less verbose
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