V0.18.00

Stress-ng Release V0.18.00 "systematic system smasher"

New stressors:

• mseal Linux 6.10 mseal() system call stressor
• mtx ISO C mutex stressor
• besselmath libm Bessel function stressor
• insertionsort classic O(N^2) insertion sort stressor

New options:

• --sockfd-reuse to force reuse of socket file descriptors

Detailed changelog:
[Fabrice Fontaine]

• core-sched.c: fix uclibc-ng build
• stress-sock.c: fix build without SO_ZEROCOPY

[Hsieh-Tseng Shen]

• stress-cache: add stress_cache_bzero() to support cache-based bzero
• core-asm-riscv.h: support riscv zicboz ext cbo.zero instruction

[John Kacur]

• stress-ng: stress-stream: Fix use of uninitialized variable

[Po-Hsu Lin]

• core-ops: fix --logmath-ops option
• core-ops: fix --binderfs-ops option

[Colin Ian King]

• stress-mincore: cater for mincore on NULL returning ENOMEM on kfreebsd
  systems
• stress-vm-segv: only use mprotect if system call is supported
• stress-mseal: only use madvise if system call is supported
• README.md: add two more research papers that reference stress-ng
• stress-cache: add STRESS_ARCH_RISCV check and voidify func args for
  non-RISC-V
• stress-flock: voidify i for non-linux builds
• stress-af-alg: add more verification when using --verify
• README.md: add another research paper citation
• Manual: add a couple more stress-ng examples
• stress-vm-segv: don't unmap self for OS X
• core-lock: use stress_asm_loong64_dbar for loong64 relax spin lock
  delay
• stress-urandom: ignore ENOSYS system call returns
• stress-sigsegv: allow BUS_ADRERR for bus error codes
• stress-fcntl: add Linux 6.10 fcntl command F_DUPFD_QUERY, improve
  checking
• stress-cache: remove extraneous {
• stress-cache: remove unused cache flags more succinctly
• core-lock: disable atomic spin locks for ARM
• stress-af-alg: replace spaces with tab in indentation
• core-resources: allocate mutexes for each resource array loop
• core-resources: use ISO C mtx mutex resources
• stress-af-alg: add forced abort after 5 seconds of alarms
• stress-af-alg: add checks for EINTR on recv/send calls
• core-mincore: add MADV_POPULATE_WRITE to madvise flags
• core-vecmath: add check for 32 bit PPC to work around build issue
• core-lock: only perform backoff for fast CPU relax pauses
• README.md: add another kernel issue found by stress-ng
• stress-efivar: ensure stress_efi_var_t is aligned to clean up build
  warning
• core-lock: remove ARM yield, fallback to shim_sched_yield
• core-cpu-cache: fix bitmask of cache coherency line size
• core-lock: fix missing spinlock destroy when removing a spinlock
• Makefile: allow COVERITY=1 to disable macros that confuse cov builds
• stress-mseal: cast pointer to uint8_t * to clean up void * pointer
  addition warnings
• stress-vm-segv: make addr a uint8_t * pointer to simplify pointer
  addition
• stress-*: rename variable index to avoid name shadowing with lib
  function index
• stress-sysbadaddr: reduce scope of variable newargv
• stress-sleep: ensure residency_ns is computed using unsigned long
  multiplication
• stress-nanosleep: reduce scope of variable i
• stress-mmaphuge: reduce scope of array filename
• stress-mmapfiles: reduce scope of variable delta
• stress-iomix: reduce scope of variable ret
• stress-fork: reduce scope of variable pid
• stress-dirname: rename dirname to dirpath to avoid name shadowing
  dirname function
• stress-dirdeep: constify char * pointer name
• stress-crypt: reduce scope of string str
• stress-cgroup: reduce scope of some variables
• core-config-check: constify static char array path[]
• stress_rndstr: remove decrement of len in stress_rndstr, make len
  const
• core-ftrace: constify a few char * pointers
• stress-sysbadaddr: add mseal()
• stress-sysinval: add mseal
• stress-enosys: add mseal system call
• stress-vm-segv: force stack segv by mprotecting pages to PROT_READ
• stress-vm-segv: force zero optimization to ensure stackvar is on stack
• stress-vm-segv: ensure stackvar is written to and read from
• stress-bad-altstack: fix OpenBSD, add MAP_STACK and don't throw errors
• stress-vm-segv: unmap stack to force SIGSEGVs in child
• core-cpu-cache.h: include <stdarg.h> for shim_builtin_prefetch()
• stress-timerfd: open file_fd before all timer fds are opened
• stress-mmap: make rc non-clobberable due to longjmp
• core-shim: force emulation if posix_fallocate returns EINVAL
• stress-mseal: replace variable fail with boolean keep_running
• Makefile.config: remove some debug echos
• stress-mseal: add Linux 6.10 mseal system call exercising stressor
• Makefile.config: add libgmp when checking libmpfr
• stress-mutex: remove OpenBSD sleep
• core-mwc: re-work mwc*modn() using bit masking and removing modulo
  operation
• stress-vm-segv: remove clflush for OpenBSD as this causes issue
• stress-mlock: ensure max is not larger than the max number of mappings
• stress-mutex: fix some potential race issues
• stress-mutex: NetBSD requires the yield and sleep
• stress-mutex: use zero usleep instead of yield for NetBSD
• core-shim: emulate posix_fallocate for FreeBSD
• stress-sigsegv: remove OpenBSD check now that BUS_OBJERR is used
• stress-sigsegv: handle SIGBUS code with correct BUS_OBJERR
• stress-fp-error: relax fp error checks on soft-float builds
• README.md: add another citiation
• stress-schedmix: remove trailing space at end of a line
• core-mwc: remove tab in empty line
• core-mwc: use stress_get_machine_id to add extra data to seed
• core-helper: add stress_get_machine_id to get a 64 bit machine id
• stress-dup: only use O_CLOEXEC if it is defined for dup3 calls
• stress-tun: cast int value to uint8_t type for PRIu8 format
• stress-schedmix: ensure all pids in pids array are initialized to -1
• stress-dev-shm: use correct format strings for unsigned type
• core-parse-opts: use correct format strings for unsigned types
• core-ignite-cpu.c: use correct format strings for int types
• stress-vnni: force -O2 at -Os/-Oz as well
• core-helper: fix spelling mistake in comment
• stress-ng.h: increase per-stressor metrics STRESS_MISC_METRICS_MAX
  to 96 for af-alg
• stress-loadavg: remove system limit of pthreads when reducing
  loadavg-max
• core-ftrace: show failed open filename in error message
• stress-besselmath: use double precision for check sum on float bessel
  functions
• stress-netlink-task: break out of loop on EINTR or EAGAIN sendto
  errors
• stress-vm: remove redundant assignments to pointer ptr
• stress-prime: remove redundant assignment to variable rate
• stress-munmap: fix file descriptor resource leak on error return path
• stress-af-alg: add some sanity checks on digest and info args
• stress-fault: ensure buffer is zero'd
• core-job: zero string txt, keep cppcheck happy
• clear up pedantic cppcheck warning
• core-builtin.h: remove long cast workaround macros for Bessel shim
  wrappers
• core-buildin: fix j*l macros
• core-lock: uncomment #undefs used for debugging new locks
• stress-dev: include missing <sys/ioctl.h>
• stress-ng.h: move #include <sys/times.h> into sources that require it
• stress-ng.h: move #include <stdarg.h> into sources that require it
• stress-ng.h: remove #include <sys/file.h>, it was commented out
• stress-ng.h: move #include <sys/file.h> into sources that require it
• stress-ng.h: move #include <sys/ioctl.h> into sources that require it
• core-shim: add __NR_fallocate check for fallocate syscall
• stress-ng.h: move #include <ctype.h> into sources that require it
• README.md: add two more kernel improvement references
• stress-ng: make stress_exclude_unimplemented static
• stress-ng.h: remove commented out math.h include
• stress-ng.h: move <math.h> into sources that require it
• stress-*: add ( ) around expressions
• core-*: add ( ) around expression
• core-cpu-cache: fix misplaced )
• core-parse-opts: use standard seconds in a year and not equinoctial
  seconds
• core-lock, stress-mtx: add build time checks for mtx_destroy, mtx_init
• stress-mtx: add mtx_t check and remove need for stack size attr
• core-lock: add OSI C mtx mutex option for locking
• stress-mtx: remove includes that are not required
• core-lock: lock name for sysv semaphore
• stress-mutex: fix --mutex-procs option
• stress-mtx: Add new ISO C mtx (mutex) stressor
• stress-besselmath: add a new Bessel function stressor
• stress-sockfd: voidify return from stress_socket_fd_send
• stress-insertionsort: add new insertion sort stressor
• core-ops: fix --powmath-ops option
• Manual: update list of classes for the --class option
• stress-ng: annotate stress_sigalrm_info_t fields and make sigalrm_info
  static
• stress-ng: add global lock create/destroy helpers
• stress-ng: fix incorrect name of function in comment
• stress-sockfd: add new --sockfd-reuse option to re-use file descriptor
• Manual: add size of the matrix-3d stressor matrix to the documentation
• Manual: add size of the matrix stressor matrix to the documentation
• core-ops: fix --expmath-ops option
• stress-zlib: add metric for the amount of input data that has been
  compressed
• stress-sigchld: replace debug SIGCHLD stats with metrics
• stress-seek: add total number of seeks metric
• stress-rawpkt: move debug packet stats to metrics
• stress-link: add link create/remove rate metrics
• stress-key: add successful key add/operation/remove rate as metric
• stress-icmp-flood: replace sendto % success debug with metrics
• Makefile: remove empty lines
• stress-dup: add number of dup calls as a metric
• stress-aiol: add total number of successful async I/O events metric
• stress-factor: report maximum factor digit size as a metric
• stress-aio: report total number of async I/O signals using metrics
• stress-*: rename GEOMETRIC_MEAN and HARMONIC_MEAN metric macros
• stress-prime: add metrics for total primes found and maximum digits
  found
• stress-ng: add metrics for total and maximum values
• stress-*: Remove HOT attribute
• stress-cpu: add more information on ackermann failure message
• stress-fractal: use stress_lock_acquire_relax() to reduce atomic lock
  contention
• core-lock: add stress_lock_acquire_relax()
• stress-lsm: use ~0 for invalid ctx addr, re-work error messages
• stress-nanosleep: remove "just" from C states message
• stress-ipsec-mb: remove "none detected" if no features are found
• stress-ng: no need to check metrics if no stressors actually ran
• stress-ng: report unimplemented stressors early and don't execute them
• stress-rawdev: remove duplicated rawdev name in skipped message
• stress-lsm: remove whitespace in tabs
• stress-lsm: fix missing shim_lsm_set_self_attr helper
• core-lock: include asm headers for arch specific pause/yield ops
• stress-rtc: ignore ioctl EINVAL errors if the ioctl is not implemented
• stress-rtc: ignore RTC_ALRM_READ EINVAL errors if the ioctl is not
  implemented
• stress-crypt: fix performance issues with crypt_r data
• core-shim: add mseal shim wrapper
• stress-lsm: exercise lsm set with invalid ctx_len
• core-lock: always inline helper function stress_lock_valid()
• core-lock: add pause/yield in spinlock for architectures other than
  x86
• core-asm-arm.h: declare stress_asm_arm_yield when HAVE_ASM_ARM_YIELD
  is defined