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- Plug the ptrace_may_access() race against a concurrent exec() which
allows to pass the check before the target's process transition in
exec() by taking a read lock on signal->ext_update_lock.
- A large set of cleanups and enhancement to the futex selftests. The
bulk of changes is the conversion to the kselftest harness.
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Merge tag 'locking-futex-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull futex updates from Thomas Gleixner:
"A set of updates for futexes and related selftests:
- Plug the ptrace_may_access() race against a concurrent exec() which
allows to pass the check before the target's process transition in
exec() by taking a read lock on signal->ext_update_lock.
- A large set of cleanups and enhancement to the futex selftests. The
bulk of changes is the conversion to the kselftest harness"
* tag 'locking-futex-2025-09-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
selftest/futex: Fix spelling mistake "boundarie" -> "boundary"
selftests/futex: Remove logging.h file
selftests/futex: Drop logging.h include from futex_numa
selftests/futex: Refactor futex_numa_mpol with kselftest_harness.h
selftests/futex: Refactor futex_priv_hash with kselftest_harness.h
selftests/futex: Refactor futex_waitv with kselftest_harness.h
selftests/futex: Refactor futex_requeue with kselftest_harness.h
selftests/futex: Refactor futex_wait with kselftest_harness.h
selftests/futex: Refactor futex_wait_private_mapped_file with kselftest_harness.h
selftests/futex: Refactor futex_wait_unitialized_heap with kselftest_harness.h
selftests/futex: Refactor futex_wait_wouldblock with kselftest_harness.h
selftests/futex: Refactor futex_wait_timeout with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi_signal_restart with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi_mismatched_ops with kselftest_harness.h
selftests/futex: Refactor futex_requeue_pi with kselftest_harness.h
selftests: kselftest: Create ksft_print_dbg_msg()
futex: Don't leak robust_list pointer on exec race
selftest/futex: Compile also with libnuma < 2.0.16
selftest/futex: Reintroduce "Memory out of range" numa_mpol's subtest
selftest/futex: Make the error check more precise for futex_numa_mpol
...
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