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Since headers don't always follow the selftests around correct, explicitly
include the __NR_uretprobe syscall for better test coverage.
Signed-off-by: Kees Cook <kees@kernel.org>
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There's no good API to check how many contexts device supports.
But initial tests sense the context count already, so just store
that number and skip tests which we know need more.
Link: https://patch.msgid.link/20250206235334.1425329-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check that adding Rx flow steering rules pointing to an RSS
context which does not exist is prevented.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250206235334.1425329-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new selftest to verify that the netconsole module correctly
handles CPU runtime data in sysdata. The test validates three scenarios:
1. Basic CPU sysdata functionality - verifies that cpu=X is appended to
messages
2. CPU sysdata with userdata - ensures CPU data works alongside userdata
3. Disabled CPU sysdata - confirms no CPU data is included when disabled
The test uses taskset to control which CPU sends messages and verifies
the reported CPU matches the one used. This helps ensure that netconsole
accurately tracks and reports the originating CPU of messages.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- Correctly clean the BSS to the PoC before allowing EL2 to access it
on nVHE/hVHE/protected configurations
- Propagate ownership of debug registers in protected mode after the
rework that landed in 6.14-rc1
- Stop pretending that we can run the protected mode without a GICv3
being present on the host
- Fix a use-after-free situation that can occur if a vcpu fails to
initialise the NV shadow S2 MMU contexts
- Always evaluate the need to arm a background timer for fully
emulated guest timers
- Fix the emulation of EL1 timers in the absence of FEAT_ECV
- Correctly handle the EL2 virtual timer, specially when HCR_EL2.E2H==0
s390:
- move some of the guest page table (gmap) logic into KVM itself,
inching towards the final goal of completely removing gmap from the
non-kvm memory management code.
As an initial set of cleanups, move some code from mm/gmap into kvm
and start using __kvm_faultin_pfn() to fault-in pages as needed;
but especially stop abusing page->index and page->lru to aid in the
pgdesc conversion.
x86:
- Add missing check in the fix to defer starting the huge page
recovery vhost_task
- SRSO_USER_KERNEL_NO does not need SYNTHESIZED_F"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (31 commits)
KVM: x86/mmu: Ensure NX huge page recovery thread is alive before waking
KVM: remove kvm_arch_post_init_vm
KVM: selftests: Fix spelling mistake "initally" -> "initially"
kvm: x86: SRSO_USER_KERNEL_NO is not synthesized
KVM: arm64: timer: Don't adjust the EL2 virtual timer offset
KVM: arm64: timer: Correctly handle EL1 timer emulation when !FEAT_ECV
KVM: arm64: timer: Always evaluate the need for a soft timer
KVM: arm64: Fix nested S2 MMU structures reallocation
KVM: arm64: Fail protected mode init if no vgic hardware is present
KVM: arm64: Flush/sync debug state in protected mode
KVM: s390: selftests: Streamline uc_skey test to issue iske after sske
KVM: s390: remove the last user of page->index
KVM: s390: move PGSTE softbits
KVM: s390: remove useless page->index usage
KVM: s390: move gmap_shadow_pgt_lookup() into kvm
KVM: s390: stop using lists to keep track of used dat tables
KVM: s390: stop using page->index for non-shadow gmaps
KVM: s390: move some gmap shadowing functions away from mm/gmap.c
KVM: s390: get rid of gmap_translate()
KVM: s390: get rid of gmap_fault()
...
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Add an implementation for directory access operations.
To keep nolibc itself allocation-free, a "DIR *" does not point to any
data, but directly encodes a filedescriptor number, equivalent to "FILE *".
Without any per-directory storage it is not possible to implement
readdir() POSIX confirming. Instead only readdir_r() is provided.
While readdir_r() is deprecated in glibc, the reasons for that are
not applicable to nolibc.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://lore.kernel.org/r/20250209-nolibc-dir-v2-2-57cc1da8558b@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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Remove the "crct10dif" shash algorithm from the crypto API. It has no
known user now that the lib is no longer built on top of it. It has no
remaining references in kernel code. The only other potential users
would be the usual components that allow specifying arbitrary hash
algorithms by name, namely AF_ALG and dm-integrity. However there are
no indications that "crct10dif" is being used with these components.
Debian Code Search and web searches don't find anything relevant, and
explicitly grepping the source code of the usual suspects (cryptsetup,
libell, iwd) finds no matches either. "crc32" and "crc32c" are used in
a few more places, but that doesn't seem to be the case for "crct10dif".
crc_t10dif_update() is also tested by crc_kunit now, so the test
coverage provided via the crypto self-tests is no longer needed.
Also note that the "crct10dif" shash algorithm was inconsistent with the
rest of the shash API in that it wrote the digest in CPU endianness,
making the resulting byte array differ on little endian vs. big endian
platforms. This means it was effectively just built for use by the lib
functions, and it was not actually correct to treat it as "just another
hash function" that could be dropped in via the shash API.
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20250206173857.39794-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fix from Kees Cook:
"This is really a work-around for x86_64 having grown a syscall to
implement uretprobe, which has caused problems since v6.11.
This may change in the future, but for now, this fixes the unintended
seccomp filtering when uretprobe switched away from traps, and does so
with something that should be easy to backport.
- Allow uretprobe on x86_64 to avoid behavioral complications (Eyal
Birger)"
* tag 'seccomp-v6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
selftests/seccomp: validate uretprobe syscall passes through seccomp
seccomp: passthrough uretprobe systemcall without filtering
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Those two scripts were used by test_flow_dissector.sh to setup/cleanup
the network topology before/after the tests. test_flow_dissector.sh
have been deleted by commit 63b37657c5fd ("selftests/bpf: remove
test_flow_dissector.sh") so they aren't used anywhere now.
Remove the two unused scripts and their Makefile entries.
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250204-with-v1-1-387a42118cd4@bootlin.com
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Resetting queues while the device is down should be legal.
Allow it, test it. Ideally we'd test this with a real device
supporting devmem but I don't have access to such devices.
Reviewed-by: Mina Almasry <almasrymina@google.com>
Link: https://patch.msgid.link/20250206225638.1387810-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test that very high constant map keys are not interpreted as an error
value by the verifier. This would previously fail.
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Link: https://lore.kernel.org/r/c0590b62eb9303f389b2f52c0c7e9cf22a358a30.1738689872.git.dxu@dxuuu.xyz
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix fsnotify FMODE_NONOTIFY* handling.
This also disables fsnotify on all pseudo files by default apart from
very select exceptions. This carries a regression risk so we need to
watch out and adapt accordingly. However, it is overall a significant
improvement over the current status quo where every rando file can
get fsnotify enabled.
- Cleanup and simplify lockref_init() after recent lockref changes.
- Fix vboxfs build with gcc-15.
- Add an assert into inode_set_cached_link() to catch corrupt links.
- Allow users to also use an empty string check to detect whether a
given mount option string was empty or not.
- Fix how security options were appended to statmount()'s ->mnt_opt
field.
- Fix statmount() selftests to always check the returned mask.
- Fix uninitialized value in vfs_statx_path().
- Fix pidfs_ioctl() sanity checks to guard against ioctl() overloading
and preserve extensibility.
* tag 'vfs-6.14-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
vfs: sanity check the length passed to inode_set_cached_link()
pidfs: improve ioctl handling
fsnotify: disable pre-content and permission events by default
selftests: always check mask returned by statmount(2)
fsnotify: disable notification by default for all pseudo files
fs: fix adding security options to statmount.mnt_opt
fsnotify: use accessor to set FMODE_NONOTIFY_*
lockref: remove count argument of lockref_init
gfs2: switch to lockref_init(..., 1)
gfs2: use lockref_init for gl_lockref
statmount: let unset strings be empty
vboxsf: fix building with GCC 15
fs/stat.c: avoid harmless garbage value problem in vfs_statx_path()
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STATMOUNT_MNT_OPTS can actually be missing if there are no options. This
is a change of behavior since 75ead69a7173 ("fs: don't let statmount return
empty strings").
The other checks shouldn't actually trigger, but add them for correctness
and for easier debugging if the test fails.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Link: https://lore.kernel.org/r/20250129160641.35485-1-mszeredi@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Use ASSERT_OK_FD to check the return value of join cgroup,
or else this test will pass even if the fd < 0. ASSERT_OK_FD
can print the error message to the console.
Suggested-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Jason Xing <kerneljasonxing@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/all/6d62bd77-6733-40c7-b240-a1aeff55566c@linux.dev/
Link: https://patch.msgid.link/20250204051154.57655-1-kerneljasonxing@gmail.com
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Cross-merge networking fixes after downstream PR (net-6.14-rc2).
No conflicts or adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The uretprobe syscall is implemented as a performance enhancement on
x86_64 by having the kernel inject a call to it on function exit; User
programs cannot call this system call explicitly.
As such, this syscall is considered a kernel implementation detail and
should not be filtered by seccomp.
Enhance the seccomp bpf test suite to check that uretprobes can be
attached to processes without the killing the process regardless of
seccomp policy.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Link: https://lore.kernel.org/r/20250202162921.335813-3-eyal.birger@gmail.com
[kees: Skip archs without __NR_uretprobe]
Signed-off-by: Kees Cook <kees@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Interestingly the recent kmemleak improvements allowed our CI to catch
a couple of percpu leaks addressed here.
We (mostly Jakub, to be accurate) are working to increase review
coverage over the net code-base tweaking the MAINTAINER entries.
Current release - regressions:
- core: harmonize tstats and dstats
- ipv6: fix dst refleaks in rpl, seg6 and ioam6 lwtunnels
- eth: tun: revert fix group permission check
- eth: stmmac: revert "specify hardware capability value when FIFO
size isn't specified"
Previous releases - regressions:
- udp: gso: do not drop small packets when PMTU reduces
- rxrpc: fix race in call state changing vs recvmsg()
- eth: ice: fix Rx data path for heavy 9k MTU traffic
- eth: vmxnet3: fix tx queue race condition with XDP
Previous releases - always broken:
- sched: pfifo_tail_enqueue: drop new packet when sch->limit == 0
- ethtool: ntuple: fix rss + ring_cookie check
- rxrpc: fix the rxrpc_connection attend queue handling
Misc:
- recognize Kuniyuki Iwashima as a maintainer"
* tag 'net-6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (34 commits)
Revert "net: stmmac: Specify hardware capability value when FIFO size isn't specified"
MAINTAINERS: add a sample ethtool section entry
MAINTAINERS: add entry for ethtool
rxrpc: Fix race in call state changing vs recvmsg()
rxrpc: Fix call state set to not include the SERVER_SECURING state
net: sched: Fix truncation of offloaded action statistics
tun: revert fix group permission check
selftests/tc-testing: Add a test case for qdisc_tree_reduce_backlog()
netem: Update sch->q.qlen before qdisc_tree_reduce_backlog()
selftests/tc-testing: Add a test case for pfifo_head_drop qdisc when limit==0
pfifo_tail_enqueue: Drop new packet when sch->limit == 0
selftests: mptcp: connect: -f: no reconnect
net: rose: lock the socket in rose_bind()
net: atlantic: fix warning during hot unplug
rxrpc: Fix the rxrpc_connection attend queue handling
net: harmonize tstats and dstats
selftests: drv-net: rss_ctx: don't fail reconfigure test if queue offset not supported
selftests: drv-net: rss_ctx: add missing cleanup in queue reconfigure
ethtool: ntuple: fix rss + ring_cookie check
ethtool: rss: fix hiding unsupported fields in dumps
...
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Extend the VXLAN FDB aging test case to verify that FDB entries are aged
out when they only forward traffic and not refreshed by received
traffic.
The test fails before "vxlan: Age out FDB entries based on 'updated'
time":
# ./vxlan_bridge_1d.sh
[...]
TEST: VXLAN: Ageing of learned FDB entry [FAIL]
[...]
# echo $?
1
And passes after it:
# ./vxlan_bridge_1d.sh
[...]
TEST: VXLAN: Ageing of learned FDB entry [ OK ]
[...]
# echo $?
0
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250204145549.1216254-9-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Integrate the test case provided by Mingi Cho into TDC.
All test results:
1..4
ok 1 ca5e - Check class delete notification for ffff:
ok 2 e4b7 - Check class delete notification for root ffff:
ok 3 33a9 - Check ingress is not searchable on backlog update
ok 4 a4b9 - Test class qlen notification
Cc: Mingi Cho <mincho@theori.io>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Link: https://patch.msgid.link/20250204005841.223511-5-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When limit == 0, pfifo_tail_enqueue() must drop new packet and
increase dropped packets count of the qdisc.
All test results:
1..16
ok 1 a519 - Add bfifo qdisc with system default parameters on egress
ok 2 585c - Add pfifo qdisc with system default parameters on egress
ok 3 a86e - Add bfifo qdisc with system default parameters on egress with handle of maximum value
ok 4 9ac8 - Add bfifo qdisc on egress with queue size of 3000 bytes
ok 5 f4e6 - Add pfifo qdisc on egress with queue size of 3000 packets
ok 6 b1b1 - Add bfifo qdisc with system default parameters on egress with invalid handle exceeding maximum value
ok 7 8d5e - Add bfifo qdisc on egress with unsupported argument
ok 8 7787 - Add pfifo qdisc on egress with unsupported argument
ok 9 c4b6 - Replace bfifo qdisc on egress with new queue size
ok 10 3df6 - Replace pfifo qdisc on egress with new queue size
ok 11 7a67 - Add bfifo qdisc on egress with queue size in invalid format
ok 12 1298 - Add duplicate bfifo qdisc on egress
ok 13 45a0 - Delete nonexistent bfifo qdisc
ok 14 972b - Add prio qdisc on egress with invalid format for handles
ok 15 4d39 - Delete bfifo qdisc twice
ok 16 d774 - Check pfifo_head_drop qdisc enqueue behaviour when limit == 0
Signed-off-by: Quang Le <quanglex97@gmail.com>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Link: https://patch.msgid.link/20250204005841.223511-3-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The '-f' parameter is there to force the kernel to emit MPTCP FASTCLOSE
by closing the connection with unread bytes in the receive queue.
The xdisconnect() helper was used to stop the connection, but it does
more than that: it will shut it down, then wait before reconnecting to
the same address. This causes the mptcp_join's "fastclose test" to fail
all the time.
This failure is due to a recent change, with commit 218cc166321f
("selftests: mptcp: avoid spurious errors on disconnect"), but that went
unnoticed because the test is currently ignored. The recent modification
only shown an existing issue: xdisconnect() doesn't need to be used
here, only the shutdown() part is needed.
Fixes: 6bf41020b72b ("selftests: mptcp: update and extend fastclose test-cases")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250204-net-mptcp-sft-conn-f-v1-1-6b470c72fffa@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Attempts to replace an MDB group membership of the host itself are
currently bounced:
# ip link add name br up type bridge vlan_filtering 1
# bridge mdb replace dev br port br grp 239.0.0.1 vid 2
# bridge mdb replace dev br port br grp 239.0.0.1 vid 2
Error: bridge: Group is already joined by host.
A similar operation done on a member port would succeed. Ignore the check
for replacement of host group memberships as well.
The bit of code that this enables is br_multicast_host_join(), which, for
already-joined groups only refreshes the MC group expiration timer, which
is desirable; and a userspace notification, also desirable.
Change a selftest that exercises this code path from expecting a rejection
to expecting a pass. The rest of MDB selftests pass without modification.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/e5c5188b9787ae806609e7ca3aa2a0a501b9b5c4.1738685648.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some selftests need libynl.a. When building it try to skip
generating the ReST documentation, libynl.a does not depend
on them.
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250203214850.1282291-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since 67ab80a01886 ("selftests/bpf: Prefer static linking for LLVM
libraries"), only statically linking test_progs is supported. However,
some distros only provide a dynamically linkable LLVM.
This commit adds a fallback for dynamically linking LLVM if static
linking is not available. If both options are available, static linking
is chosen.
Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Tested-by: Eduard Zingerman <eddyz87@gmail.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/872b64e93de9a6cd6a7a10e6a5c5e7893704f743.1738276344.git.dxu@dxuuu.xyz
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Add a BTF verification test case for a type_tag with a kflag set.
Type tags with a kflag are now valid.
Add BTF_DECL_ATTR_ENC and BTF_TYPE_ATTR_ENC test helper macros,
corresponding to *_TAG_ENC.
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250130201239.1429648-7-ihor.solodrai@linux.dev
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BTF type tags and decl tags now may have info->kflag set to 1,
changing the semantics of the tag.
Change BTF verification to permit BTF that makes use of this feature:
* remove kflag check in btf_decl_tag_check_meta(), as both values
are valid
* allow kflag to be set for BTF_KIND_TYPE_TAG type in
btf_ref_type_check_meta()
Make sure kind_flag is NOT set when checking for specific BTF tags,
such as "kptr", "user" etc.
Modify a selftest checking for kflag in decl_tag accordingly.
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20250130201239.1429648-6-ihor.solodrai@linux.dev
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Factor out common routines handling custom BTF from
test_btf_dump_incremental. Then use them in the
test_btf_dump_type_tags.
test_btf_dump_type_tags verifies that a type tag is dumped correctly
with respect to its kflag.
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20250130201239.1429648-5-ihor.solodrai@linux.dev
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Recent experience shows that the srcu_read_lock_nmisafe() and
srcu_read_unlock_nmisafe() functions are not sufficiently tested.
This commit therefore causes the torture.sh script's SRCU lockdep testing
to use these two functions. This will cause these two functions to
be regularly tested by several developers (myself included) who use
torture.sh as an RCU acceptance test.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
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This commit causes the rcutorture SRCU-P scenario use the
srcu_read_lock_fast() and srcu_read_unlock_fast() functions. This will
cause these two functions to be regularly tested by several developers
(myself included), for example, those who use torture.sh as an RCU
acceptance test.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
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Now we have PIDFD_SELF available for process_madvise(), make use of it in
the guard pages test.
This is both more convenient and asserts that PIDFD_SELF works as expected.
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Link: https://lore.kernel.org/r/69fbbe088d3424de9983e145228459cb05a8f13d.1738268370.git.lorenzo.stoakes@oracle.com
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add tests to assert that PIDFD_SELF* correctly refers to the current
thread and process.
We explicitly test pidfd_send_signal(), however We defer testing of
mm-specific functionality which uses pidfd, namely process_madvise() and
process_mrelease() to mm testing (though note the latter can not be
sensibly tested as it would require the testing process to be dying).
We also correct the pidfd_open_test.c fields which refer to .request_mask
whereas the UAPI header refers to .mask, which otherwise break the import
of the UAPI header.
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Link: https://lore.kernel.org/r/7ab0e48b26ba53abf7b703df2dd11a2e99b8efb2.1738268370.git.lorenzo.stoakes@oracle.com
Reviewed-by: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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They will be needed in selftests in follow-up patches.
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add a new selftest to verify netconsole's handling of messages that
exceed the packet size limit and require fragmentation. The test sends
messages with varying sizes and userdata, validating that:
1. Large messages are correctly fragmented and reassembled
2. Userdata fields are properly preserved across fragments
3. Messages work correctly with and without kernel release version
appending
The test creates a networking environment using netdevsim, sends
messages through /dev/kmsg, and verifies the received fragments maintain
message integrity.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250203-netcons_frag_msgs-v1-1-5bc6bedf2ac0@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The script uses non-POSIX features like `[[` for conditionals and hence
does not work when run with a POSIX /bin/sh.
Change the shebang to /bin/bash instead, like the other tests in cgroup.
Signed-off-by: Bharadwaj Raju <bharadwaj.raju777@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching fix from Petr Mladek:
- Fix livepatching selftests for util-linux-2.40.x
* tag 'livepatching-for-6.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
selftests: livepatch: handle PRINTK_CALLER in check_result()
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There is a spelling mistake in a literal string and in the function
test_get_inital_dirty. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Message-ID: <20250204105647.367743-1-colin.i.king@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
- some selftest fixes
- move some kvm-related functions from mm into kvm
- remove all usage of page->index and page->lru from kvm
- fixes and cleanups for vsie
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supported
Vast majority of drivers does not support queue offset.
Simply return if the rss context + queue ntuple fails.
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250201013040.725123-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit under Fixes adds ntuple rules but never deletes them.
Fixes: 29a4bc1fe961 ("selftest: extend test_rss_context_queue_reconfigure for action addition")
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250201013040.725123-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove the cxlflash driver for IBM CAPI Flash devices.
The cxlflash driver has received minimal maintenance for some time, and
the CAPI Flash hardware that uses it is no longer commercially available.
Thanks to Uma Krishnan, Matthew Ochs and Manoj Kumar for their work on
this driver over the years.
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Link: https://lore.kernel.org/r/20250203072801.365551-2-ajd@linux.ibm.com
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Avoid using a stale test kernel configuration by always synchronizing
it to the current source tree.
kbuild is smart enough to avoid spurious rebuilds.
Shuffle the code around a bit to keep all the commands with side-effects
together.
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-5-5701c35995d6@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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Some targets use the test kernel configuration.
Executing defconfig in the same make invocation as those targets results
in errors as the configuration may be in an inconsistent state during
reconfiguration.
Avoid this by introducing ordering dependencies between the defconfig
and some other targets.
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-4-5701c35995d6@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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"mrproper" unnecessarily cleans a lot of files.
kbuild is smart enough to handle changed configurations,
so the cleanup is not necessary and only leads to excessive rebuilds.
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-3-5701c35995d6@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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The "prepare" target does not need to be run manually.
kbuild knows when to use it on its own and the target is not even
documented.
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-2-5701c35995d6@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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kbuild already contains logic to merge predefines snippets into a
defconfig file. For MIPS a snippet for big-endian is already provided.
Link: https://lore.kernel.org/r/20250123-nolibc-config-v2-1-5701c35995d6@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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User code may want to use this compiler flag.
Make sure it is supported by nolibc.
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-prototype-v1-3-e1afc5c1999a@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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To make sure nolibc itself is compatible with -Wmissing-prototypes the
compiler flag should be enabled when building nolibc-test.
However some of its functions are non-static to ease debugging [0],
triggering the compiler warning.
Disable the warning inside nolibc-test while still enabling it for
nolibc itself.
[0] https://lore.kernel.org/lkml/ZMjM0UPRAqoC+goY@1wt.eu/
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://lore.kernel.org/r/20250123-nolibc-prototype-v1-2-e1afc5c1999a@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
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The XDP redirection is tested without any flag provided to the
xdp_attach() function.
Add two subtests that check the correct behaviour with
XDP_FLAGS_{DRV/SKB}_MODE flags
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250131-redirect-multi-v4-10-970b33678512@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The network namespaces and the veth used by the tests have hardcoded
names that can conflict with other tests during parallel runs.
Use the append_tid() helper to ensure the uniqueness of these names.
Use the static network configuration table as a template on which
thread IDs are appended in each test.
Set a fixed size to remote_addr field so the struct veth_configuration
can also have a fixed size.
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20250131-redirect-multi-v4-9-970b33678512@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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XDP flags are hardcoded to 0 at attachment.
Add flags attributes to the struct prog_configuration to allow flag
modifications for each test case.
Signed-off-by: Bastien Curutchet (eBPF Foundation) <bastien.curutchet@bootlin.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250131-redirect-multi-v4-8-970b33678512@bootlin.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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