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https://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc.git
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https://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git
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https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
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https://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext.git
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# Conflicts:
# arch/x86/kvm/x86.c
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https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
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https://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux.git
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https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
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https://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm.git
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
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https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
# Conflicts:
# MAINTAINERS
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https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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Fix typo "allowes" -> "allows" in Landlock filesystem test comment.
Signed-off-by: Wang Yan <wangyan01@kylinos.cn>
Reviewed-by: Günther Noack <gnoack@google.com>
Link: https://patch.msgid.link/20260702015823.368529-1-wangyan01@kylinos.cn
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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MSG_OOB might be disabled in the kernel for unix sockets (by not
selecting CONFIG_AF_UNIX_OOB), and in this case the related tests
of the scoped_signal_test are currently failing. Add a runtime
probe using socketpair() to detect MSG_OOB support and skip the
test gracefully if it is unavailable.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://patch.msgid.link/20260710081642.405916-1-thuth@redhat.com
Cc: stable@vger.kernel.org
Fixes: f34e9ce5f479 ("selftests/landlock: Test signal created by out-of-bound message")
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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The scoped_signal_test uses pthread_join(..., (void **)&ret)) in
a couple of places, i.e. the return value of the thread is stored
in the shape of a "void *" into the memory location of &ret.
Pointers are 64-bit on modern computers, but the ret variable is
declared as a simple "enum thread_return" which is only 32 bits.
So the pthread_join() will overflow the ret variable by 4 byte.
The problem is very visible on big endian systems like s390x
where the test is failing: The least significant byte that carries
the return code of the thread is not written into the ret variable
here, but somewhere else in the stack frame, so the comparison
for the right return code is failing here.
Fix it by getting rid of the enum and defining the THREAD_* constants
and "ret" variables as proper "void *" pointers. This way we can
also get rid of some ugly (void *) castings in a couple of spots.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Link: https://patch.msgid.link/20260709164340.339656-1-thuth@redhat.com
Cc: stable@vger.kernel.org
Fixes: c8994965013e ("selftests/landlock: Test signal scoping for threads")
[mic: Add clang-format markups]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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Enforce that TCP Fast Open is controlled by
LANDLOCK_ACCESS_NET_CONNECT_TCP. Semantics of connect() and
sendmsg(MSG_FASTOPEN) should be identical from Landlock's perspective.
Also enforce error code consistency, since UDP sockets ignore the
MSG_FASTOPEN flag while Unix sockets reject it.
Signed-off-by: Matthieu Buffet <matthieu@buffet.re>
Link: https://patch.msgid.link/20260701214628.33319-2-matthieu@buffet.re
Cc: stable@vger.kernel.org
[mic: Fix formatting]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
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https://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux.git
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https://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
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https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git
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https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
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https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
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https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git
# Conflicts:
# fs/bpf_fs_kfuncs.c
# tools/testing/selftests/filesystems/.gitignore
# tools/testing/selftests/filesystems/Makefile
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# New commits in timers/core:
f44ce7fdbdd0 ("selftests: timers: Partially revert "Remove local NSEC_PER_SEC and USEC_PER_SEC defines"")
794ddd6e15cf ("ntp: Remove tick_length_base, use tick_length directly")
34ce97c33dca ("timekeeping: Settle competing time_offset and time_adjust skew")
289d1759494f ("timekeeping: Drive time_adjust skew via per-tick ntp_error transfer")
d375af589909 ("timekeeping: Drive time_offset skew via per-tick ntp_error transfer")
869a55e662a0 ("timekeeping: Account for clocksource tick quantisation via NTP")
b7befd6d9120 ("timekeeping: Account for monotonicity adjustment in ntp_error")
79b8bd857bd7 ("MAINTAINERS: Add Miroslav as timekeeping reviewer")
79ced850e549 ("y2038: uapi: Use 64-bit __kernel_old_timespec::tv_nsec on x32")
79bd39c58f2c ("timekeeping: Move the vDSO update declarations into a private header")
6e435911394b ("timekeeping: Fold vdso_time_update_aux() declarations into the generic ifdeffery")
faef65e45a2a ("hrtimer: Remove inclusion of hrtimer_bases.h remove from hrtimer.h")
0c31af3d23e6 ("x86/speculation: Explicitly include linux/types.h")
071993aac72e ("hrtimer: Explicitly include some necessary headers in hrtimer_rearm.h")
95cf8bbadd10 ("hrtimer: Explicitly include linux/hrtimer_bases.h")
73fcec09d162 ("tick: Explicitly include linux/hrtimer_bases.h")
a116c7582d7f ("hrtimer: Move hrtimer_update_function() to hrtimer.c")
d3dc7fabd4c4 ("hrtimer: Move hrtimer_callback_running() to hrtimer_bases.h")
03b5d4c27982 ("hrtimer: Rename hrtimer_defs.h to hrtimer_bases.h")
c4415c993fc2 ("hrtimer: Don't take cpu_base::lock in hrtimer_get_next_event() when hres_active")
1d28a67d496f ("timer_list: Annotate print_cpu() diagnostic reads")
06aba58e5849 ("time/namespace: Validate nanosecond field in proc_timens_set_offset()")
eddfded41965 ("timers/migration: Fix memory leak in tmigr_setup_groups() error path")
f2eee7e31ccd ("timekeeping: Unwind aux clock sysfs children on failure")
3dee6537e728 ("clocksource: Unregister subsystem on device registration failure")
b4b66151a714 ("selftests: timers: leap-a-day: Fix -w option and update usage comment")
b3afded935a8 ("clocksource: Remove unused WATCHDOG_INTERVAL_NS macro")
d8966ca88566 ("hrtimer: Remove unused next_timer argument from __hrtimer_reprogram()")
e2904ddb14a4 ("timekeeping: Document monotonic raw timestamps in snapshots correctly")
a73d7f98e41a ("posix-cpu-timers: Don't abuse lock_task_sighand() in handle_posix_cpu_timers()")
034b5779b85b ("hrtimer: Remove unused clock_base_next_timer_safe()")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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# New commits in locking/futex:
157a9b22ff76 ("selftests/futex: Use thread synchronization helpers instead of usleep()")
86620fb9d37b ("selftests/futex: Provide thread creation and synchronization helpers")
50c121e5a57a ("selftests/futex: Dynamically skip unsupported tests")
90a0286c7d35 ("selftests/futex: Add FUTEX_LOCK_PI owner-exiting coverage")
553bd67a9032 ("selftests/futex: Migrate robust_list to harness")
4f22ba7eee3e ("selftests/futex: Migrate futex_priv_hash to harness")
9b19fbb3a6c5 ("selftests/futex: Migrate futex_numa_mpol to harness")
7fe733f11215 ("selftests/futex: Migrate futex_requeue_pi_signal_restart to harness")
4559deb73828 ("selftests/futex: Migrate futex_requeue_pi_mismatched_ops to harness")
b7d837c2d49e ("selftests/futex: Migrate futex_requeue_pi to harness")
d0f7df9bb778 ("selftests/futex: Migrate futex_requeue to harness")
78834d8b9c99 ("selftests/futex: Migrate futex_wait_uninitialized_heap to harness")
dccef66d850b ("selftests/futex: Migrate futex_wait_private_mapped_file to harness")
0d65d1abb5e4 ("selftests/futex: Migrate futex_wait to harness")
a894f6f40332 ("selftests/futex: Correct validation logic in waitv")
e531301dd8fa ("selftests/futex: Migrate functional tests to harness")
dfa2f2378fb1 ("selftests/futex: Remove static keyword from 'head'")
4903ab0c83f0 ("futex: Remove unnecessary NULL check before kvfree()")
d7b2769f8dba ("selftests/rseq: Replace glibc-specific __GNUC_PREREQ with portable check")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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# New commits in core/rseq:
7148c0a02e09 ("selftests/rseq: Fix spelling of accommodate")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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# New commits in core/entry:
5b6e32ba7b59 ("syscall_user_dispatch: Add kernel.syscall_user_dispatch sysctl")
ee935e8dc757 ("syscall_user_dispatch: Make it configurable in Kconfig")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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For normal live cgroup_skb paths, the skb should already be routed. The
exception is for test run via BPF_PROG_TEST_RUN with packets created
via bpf_prog_test_run_skb. Those lack dst route and thus the icmp_send
would quietly fail by returning early.
This test exercises this and makes sure the kfunc returns -ENETUNREACH.
Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Reviewed-by: Jordan Rife <jordan@jrife.io>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/bpf/20260709144900.245904-6-mahe.tardy@gmail.com
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This test is similar to test_icmp_send_unreach_cgroup but checks that,
in case of recursion, meaning that the BPF program calling the kfunc was
re-triggered by the icmp_send done by the kfunc, the kfunc will stop
early and return -EBUSY.
The test attaches to the root cgroup to ensure the ICMP packet generated
by the kfunc re-triggers the BPF program.
Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Reviewed-by: Jordan Rife <jordan@jrife.io>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/bpf/20260709144900.245904-5-mahe.tardy@gmail.com
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This test extends the existing cgroup_skb tests with IPv6 support.
Note that we need to set IPV6_RECVERR on the socket for IPv6 in
connect_to_fd_nonblock otherwise the error will be ignored even if
we are in the middle of the TCP handshake. See in
net/ipv6/datagram.c:ipv6_icmp_error for more details.
Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jordan Rife <jordan@jrife.io>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/bpf/20260709144900.245904-4-mahe.tardy@gmail.com
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This test opens a server and client, enters a new cgroup, attach a
cgroup_skb program on egress and calls the bpf_icmp_send function from
the client egress so that an ICMP unreach control message is sent back
to the client. It then fetches the message from the error queue to
confirm the correct ICMP unreach code has been sent.
Note that, for the client, we have to connect in non-blocking mode to
let the test execute faster. Otherwise, we need to wait for the TCP
three-way handshake to timeout in the kernel before reading the errno.
Also note that we don't set IP_RECVERR on the socket in
connect_to_fd_nonblock since the error will be transferred anyway in our
test because the connection is rejected at the beginning of the TCP
handshake. See in net/ipv4/tcp_ipv4.c:tcp_v4_err for more details.
Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jordan Rife <jordan@jrife.io>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://lore.kernel.org/bpf/20260709144900.245904-3-mahe.tardy@gmail.com
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Cross-merge networking fixes after downstream PR (net-7.2-rc3).
Conflicts:
tools/testing/selftests/net/lib.sh
dd6a23bac306b ("selftests: net: make busywait timeout clock portable")
895bad9cc4cec ("selftests: net: make busywait timeout clock portable")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add the end to end testing infrastructure required to verify the
liveupdate feature. This includes a custom init process, a test
orchestration script, and a batch runner.
The framework consists of:
init.c:
A lightweight init process that manages the kexec lifecycle.
It mounts necessary filesystems, determines the current execution
stage (1 or 2) via the kernel command line, and handles the
kexec_file_load() sequence to transition between kernels.
vmtest.sh:
The primary KTAP-compliant test driver. It handles:
- Kernel configuration merging and building.
- Cross-compilation detection for x86_64 and arm64.
- Generation of the initrd containing the test binary and init.
- QEMU execution with automatic accelerator detection (KVM, HVF,
or TCG).
run-vmtests.sh:
A wrapper that runs vmtest.sh for each LUO test across supported
architectures, providing a summary of pass/fail/skip results.
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Co-developed-by: Jordan Richards <jordanrichards@google.com>
Signed-off-by: Jordan Richards <jordanrichards@google.com>
Co-developed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://patch.msgid.link/20260626-luo-vmtest-v0-v4-1-e7d3111cd5b3@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
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USEC_PER_SEC defines"
This partially reverts commit 80fa614e2fbc ("selftests: timers: Remove
local NSEC_PER_SEC and USEC_PER_SEC defines").
The original commit removed local definitions of NSEC_PER_SEC and
USEC_PER_SEC in favor of including <include/vdso/time64.h>. However,
NSEC_PER_SEC in vdso/time64.h is defined as 1000000000L, which is
32-bit on 32-bit architectures. This causes integer overflow warnings
in several timer tests when doing arithmetic like NSEC_PER_SEC * 10 on
32-bit systems.
To fix this, restore the local definitions of NSEC_PER_SEC and
USEC_PER_SEC in the test files, but use "LL" suffix consistently
(1000000000LL and 1000000LL) to ensure 64-bit arithmetic and avoid
overflows.
We keep the cleanup from the original commit that renamed plural
definitions (NSECS_PER_SEC/USECS_PER_SEC) to singular ones in
posix_timers.c, but we now define them locally there as well.
This also removes the dependency of the selftests on the internal
kernel header <include/vdso/time64.h>.
Signed-off-by: Wake Liu <wakel@google.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Acked-by: John Stultz <jstultz@google.com>
Link: https://patch.msgid.link/20260610014721.718362-1-wakel@google.com
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Coverage for UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT:
rwp-async async mode — touch pages, verify permissions are
auto-restored without a message
rwp-sync sync mode — access blocks, handler resolves via
UFFDIO_RWPROTECT
rwp-pagemap PAGEMAP_SCAN reports still-cold pages via
inverted PAGE_IS_ACCESSED
rwp-mprotect RWP survives mprotect(PROT_NONE) ->
mprotect(PROT_READ|PROT_WRITE) round-trip
rwp-gup GUP walks through a protnone RWP PTE (pipe
write/read drives the GUP path)
rwp-async-toggle UFFDIO_SET_MODE flips between sync and async
without re-registering
rwp-close closing the uffd restores page permissions
rwp-fork RWP survives fork() with EVENT_FORK; child's
PTEs keep the uffd bit
rwp-fork-pin RWP survives fork() on an RO-longterm-pinned
anon page (forces copy_present_page()); child
read auto-resolves and clears the bit, proving
PAGE_NONE was in place
rwp-wp-exclusive register with MODE_WP|MODE_RWP returns -EINVAL
All tests run against anon, shmem, shmem-private, hugetlb, and
hugetlb-private memory, except rwp-fork-pin which is anon-only —
copy_present_page() is the private-anon pinned-exclusive fork path.
Snapshot the RWP additions into tools/include/uapi/linux/userfaultfd.h so
the selftest builds without requiring "make headers" first, matching the
mechanism established by commit 580ea358af0a ("selftests/mm: fix
additional build errors for selftests").
Link: https://lore.kernel.org/ak-Z9KO2mP9HMOPW@thinkstation
Signed-off-by: Kiryl Shutsemau <kas@kernel.org>
Assisted-by: Claude:claude-opus-4-6
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: James Houghton <jthoughton@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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In the ensure_file() function, the "not_exist" code path checks whether
$dir exists as a regular file. However, the intent is to verify that the
target file ($file) does not exist, not the $dir. Testing $dir makes the
existence check effectively useless -- it tests the wrong path and thus
never catches the case where the file is unexpectedly present.
Replace $dir with $file so the not_exist verification targets the correct
path.
Link: https://lore.kernel.org/20260706134305.5224-1-a929244872@163.com
Signed-off-by: wang wei <a929244872@163.com>
Reviewed-by: SJ Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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drgn_dump_damon_status is dumping nr_accesses_bp field for future use
case. nr_accesses_bp is not being used for a real purpose, though. Hence
there will be no future test for it. Do not dump it.
Link: https://lore.kernel.org/20260630040812.149729-13-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Non-cooperarive uffd events are inherently racy and can happen in parallel
with other userfaultfd operations.
During event tests in uffd-unit-tests, the uffd monitor calls
UFFDIO_UNREGISTER upon receiving UFFD_EVENT_REMOVE.
In parallel, the faulting_process() verifies that the removed memory is
actually zeroed.
If a verification read wins the race with UFFDIO_UNREGISTER, it causes a
missing fault that uffd monitor would receive after UFFDIO_UNREGISTER is
complete. The monitor resolves the fault using UFFDIO_COPY that fails
with -ENOENT which means that VMA has been changed (see commit
27d02568f529 ("userfaultfd: mcopy_atomic: return -ENOENT when no
compatible VMA found")).
Treat -ENOENT returned by UFFDIO_COPY as non-fatal, the same way -EEXIST
is treated for concurrent faults, and don't fail the test.
Link: https://lore.kernel.org/20260701200932.1470525-1-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Lorenzo Stoakes <ljs@kernel.org>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Passing a stack-local child_pid to clone() with CLONE_CHILD_CLEARTID is
unsafe: the kernel clears that address when the child exits, which may
happen after the test function has returned and the stack slot has been
reused.
Neither testcase uses the settid/cleartid pointers for synchronization.
Drop CLONE_PARENT_SETTID and CLONE_CHILD_CLEARTID and pass NULL for the
clone tid arguments. Wait for the clone child to exit via tkill in
test_sigsegv_handler_with_different_pkey_for_stack(), matching
test_pkru_sigreturn(), so the detached thread cannot overlap with the next
testcase.
Link: https://lore.kernel.org/20260706081600.3570203-7-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Liam R. Howlett (Oracle) <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add missing pthread_create() return checks in pkey sighandler tests to
avoid hanging in pthread_cond_wait() when thread creation fails.
Link: https://lore.kernel.org/20260706081600.3570203-6-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add missing checks against mmap() return value, replace (void *)-1 with
MAP_FAILED for better readability and consistency.
Link: https://lore.kernel.org/20260706081600.3570203-5-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Use pkey_assert(0) instead of perror("clone") when clone_raw() fails. The
old path only printed an error and continued; the test now exits via
pkey_assert() on failure so it does not hang or proceed with an invalid
child.
Link: https://lore.kernel.org/20260706081600.3570203-4-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Add per-test tracing to the pkey signal-handler selftest and use
pkey_assert() for error handling. Each test enables tracing at start and
disables it at end; on failure, pkey_assert() calls abort_hooks() to turn
tracing off so ftrace is not left enabled.
Link: https://lore.kernel.org/20260706081600.3570203-3-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Patch series "selftests/mm: refactor pkey helpers and fix mmap error
handling", v10.
The main changes in this series are to refactor shared tracing and
assertion helpers into a common file, unify both pkey selftests on
pkey_assert() and per-test tracing for consistent diagnostics, and add
missing mmap() return checks with MAP_FAILED used throughout for
readability and consistency.
This patch (of 10):
Move pkey selftest debugging helpers into shared code so both pkey
selftests can use the same tracing and abort-hook logic. Also fix
cat_into_file() to print file, not str, in the open() failure message.
Link: https://lore.kernel.org/20260706081600.3570203-1-lihongfu@kylinos.cn
Link: https://lore.kernel.org/20260706081600.3570203-2-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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DAMON sysfs interface for DAMOS quota has quite extended since its initial
introduction. The test case for that in DAMON sysfs interface essential
file operations test (sysfs.sh) has not accordingly extended, though.
Extend the test case to test all existing files.
Link: https://lore.kernel.org/20260630141726.92246-8-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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DAMON selftest interface essential file operations test (sysfs.sh) is not
testing DAMOS dests/ directory. Add the test.
Link: https://lore.kernel.org/20260630141726.92246-7-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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DAMON sysfs interface essential file operations test (sysf.sh) is not
testing DAMOS {core,ops}_filters directories. Add the tests.
Link: https://lore.kernel.org/20260630141726.92246-6-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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