Sync with upstream branch release/2.34/master,
Update NEWS file in the right place
io: Fix use-after-free in ftw [BZ #26779]
io: Fix ftw internal realloc buffer (BZ #28126)
regex: fix buffer read overrun in search [BZ#28470]
regex: copy back from Gnulib
Allow #pragma GCC in headers in conformtest
Fix memmove call in vfprintf-internal.c:group_number
mktime: improve heuristic for ca-1986 Indiana DST
Makerules: fix MAKEFLAGS assignment for upcoming make-4.4 [BZ# 29564]
linux: Fix generic struct_stat for 64 bit time (BZ# 29657)
elf: Do not completely clear reused namespace in dlmopen (bug 29600)
nss: Use shared prefix in IPv4 address in tst-reload1
nss: Fix tst-nss-files-hosts-long on single-stack hosts (bug 24816)
nss: Implement --no-addrconfig option for getent

Handle non-hostname CNAME aliases during name resolution (#2129005)
Sync with upstream branch release/2.34/master,
nscd: Drop local address tuple variable [BZ #29607]
x86-64: Require BMI1/BMI2 for AVX2 strrchr and wcsrchr implementations
x86-64: Require BMI2 and LZCNT for AVX2 memrchr implementation
x86-64: Require BMI2 for AVX2 (raw|w)memchr implementations
x86-64: Require BMI2 for AVX2 wcs(n)cmp implementations
x86-64: Require BMI2 for AVX2 strncmp implementation
x86-64: Require BMI2 for AVX2 strcmp implementation
x86-64: Require BMI2 for AVX2 str(n)casecmp implementations
x86: include BMI1 and BMI2 in x86-64-v3 level
nptl: Add backoff mechanism to spinlock loop
sysdeps: Add 'get_fast_jitter' interace in fast-jitter.h
nptl: Effectively skip CAS in spinlock loop
Move assignment out of the CAS condition
Add LLL_MUTEX_READ_LOCK [BZ #28537]
Avoid extra load with CAS in __pthread_mutex_clocklock_common [BZ #28537]
Avoid extra load with CAS in __pthread_mutex_lock_full [BZ #28537]
resolv: Fix building tst-resolv-invalid-cname for earlier C standards
nss_dns: Rewrite _nss_dns_gethostbyname4_r using current interfaces
resolv: Add new tst-resolv-invalid-cname
nss_dns: In gaih_getanswer_slice, skip strange aliases (bug 12154)
nss_dns: Rewrite getanswer_r to match getanswer_ptr (bug 12154, bug 29305)
nss_dns: Remove remnants of IPv6 address mapping
nss_dns: Rewrite _nss_dns_gethostbyaddr2_r and getanswer_ptr
nss_dns: Split getanswer_ptr from getanswer_r
resolv: Add DNS packet parsing helpers geared towards wire format
resolv: Add internal __ns_name_length_uncompressed function
resolv: Add the __ns_samebinaryname function
resolv: Add internal __res_binary_hnok function
resolv: Add tst-resolv-aliases
resolv: Add tst-resolv-byaddr for testing reverse lookup
gconv: Use 64-bit interfaces in gconv_parseconfdir (bug 29583)
elf: Fix hwcaps string size overestimation
nscd: Fix netlink cache invalidation if epoll is used [BZ #29415]
Apply asm redirections in wchar.h before first use
Apply asm redirections in stdio.h before first use [BZ #27087]
elf: Call __libc_early_init for reused namespaces (bug 29528)

Simplify the glibc system call profile (#2117712)

DSO dependency sort must put new map first even if in cycle (#2128615)

Run tst-audit-tlsdesc{,-dlopen} on all architectures (#2118666)

wrap-find-debuginfo.sh: Use nm --format=posix instead of --format=just-symbols

Co-Authored-By: Benjamin Herrenschmidt <benh@amazon.com>
Retain .gnu_debuglink section in libc.so.6 (#2090744)
Remove redundant ld.so debuginfo file (#2090744)

Sync with upstream branch release/2.34/master,
socket: Check lengths before advancing pointer in CMSG_NXTHDR
alpha: Fix generic brk system call emulation in __brk_call (bug 29490)
stdlib: Fixup mbstowcs NULL __dst handling. [BZ #29279]
stdlib: Remove attr_write from mbstows if dst is NULL [BZ: 29265]
Update syscall lists for Linux 5.19
dlfcn: Pass caller pointer to static dlopen implementation (bug 29446)

Sync with upstream branch release/2.34/master,
malloc: Simplify implementation of __malloc_assert
Update syscall-names.list for Linux 5.18
x86: Add missing IS_IN (libc) check to strncmp-sse4_2.S
x86: Move mem{p}{mov|cpy}_{chk_}erms to its own file
x86: Move and slightly improve memset_erms
x86: Add definition for __wmemset_chk AVX2 RTM in ifunc impl list
x86: Put wcs{n}len-sse4.1 in the sse4.1 text section
x86: Align entry for memrchr to 64-bytes.
x86: Add BMI1/BMI2 checks for ISA_V3 check
x86: Cleanup bounds checking in large memcpy case
x86: Add bounds `x86_non_temporal_threshold`
x86: Add sse42 implementation to strcmp's ifunc
x86: Fix misordered logic for setting `rep_movsb_stop_threshold`
x86: Align varshift table to 32-bytes
x86: ZERO_UPPER_VEC_REGISTERS_RETURN_XTEST expect no transactions
x86: Shrink code size of memchr-evex.S
x86: Shrink code size of memchr-avx2.S
x86: Optimize memrchr-avx2.S
x86: Optimize memrchr-evex.S
x86: Optimize memrchr-sse2.S
x86: Add COND_VZEROUPPER that can replace vzeroupper if no `ret`
x86: Create header for VEC classes in x86 strings library
x86_64: Add strstr function with 512-bit EVEX
x86-64: Ignore r_addend for R_X86_64_GLOB_DAT/R_X86_64_JUMP_SLOT
x86_64: Implement evex512 version of strlen, strnlen, wcslen and wcsnlen
x86_64: Remove bzero optimization
x86_64: Remove end of line trailing spaces
nptl: Fix ___pthread_unregister_cancel_restore asynchronous restore
linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304)

Add the no-aaaa DNS stub resolver option (#2096191)

Sync with upstream branch release/2.34/master,
nss: handle stat failure in check_reload_and_get (BZ #28752)
nss: add assert to DB_LOOKUP_FCT (BZ #28752)
nios2: Remove _dl_skip_args usage (BZ# 29187)
hppa: Remove _dl_skip_args usage (BZ# 29165)
nptl: Fix __libc_cleanup_pop_restore asynchronous restore (BZ#29214)

Enable rseq by default and add GLIBC_2.35 rseq symbols (#2085529)

Sync with upstream branch release/2.34/master,
powerpc: Fix VSX register number on __strncpy_power9 [BZ #29197]
socket: Fix mistyped define statement in socket/sys/socket.h (BZ #29225)
iconv: Use 64 bit stat for gconv_parseconfdir (BZ# 29213)
catgets: Use 64 bit stat for __open_catalog (BZ# 29211)
inet: Use 64 bit stat for ruserpass (BZ# 29210)
socket: Use 64 bit stat for isfdtype (BZ# 29209)
posix: Use 64 bit stat for fpathconf (_PC_ASYNC_IO) (BZ# 29208)
posix: Use 64 bit stat for posix_fallocate fallback (BZ# 29207)
misc: Use 64 bit stat for getusershell (BZ# 29204)
misc: Use 64 bit stat for daemon (BZ# 29203)

Sync with upstream branch release/2.34/master,
Fix deadlock when pthread_atfork handler calls pthread_atfork or dlclose
x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #29127]
string.h: fix __fortified_attr_access macro call [BZ #29162]
linux: Add a getauxval test [BZ #23293]
rtld: Use generic argv adjustment in ld.so [BZ #23293]
S390: Enable static PIE

Sync with upstream branch release/2.34/master,
csu: Implement and use _dl_early_allocate during static startup
Linux: Introduce __brk_call for invoking the brk system call
Linux: Implement a useful version of _startup_fatal
ia64: Always define IA64_USE_NEW_STUB as a flag macro
Linux: Define MMAP_CALL_INTERNAL
i386: Honor I386_USE_SYSENTER for 6-argument Linux system calls
i386: Remove OPTIMIZE_FOR_GCC_5 from Linux libc-do-syscall.S
elf: Remove __libc_init_secure
Linux: Consolidate auxiliary vector parsing (redo)
Linux: Include <dl-auxv.h> in dl-sysdep.c only for SHARED
Revert "Linux: Consolidate auxiliary vector parsing"
Linux: Consolidate auxiliary vector parsing
Linux: Assume that NEED_DL_SYSINFO_DSO is always defined
Linux: Remove DL_FIND_ARG_COMPONENTS
Linux: Remove HAVE_AUX_SECURE, HAVE_AUX_XID, HAVE_AUX_PAGESIZE
elf: Merge dl-sysdep.c into the Linux version
elf: Remove unused NEED_DL_BASE_ADDR and _dl_base_addr
x86: Optimize {str|wcs}rchr-evex
x86: Optimize {str|wcs}rchr-avx2
x86: Optimize {str|wcs}rchr-sse2
x86: Cleanup page cross code in memcmp-avx2-movbe.S
x86: Remove memcmp-sse4.S
x86: Small improvements for wcslen
x86: Remove AVX str{n}casecmp
x86: Add EVEX optimized str{n}casecmp
x86: Add AVX2 optimized str{n}casecmp
x86: Optimize str{n}casecmp TOLOWER logic in strcmp-sse42.S
x86: Optimize str{n}casecmp TOLOWER logic in strcmp.S
x86: Remove strspn-sse2.S and use the generic implementation
x86: Remove strpbrk-sse2.S and use the generic implementation
x86: Remove strcspn-sse2.S and use the generic implementation
x86: Optimize strspn in strspn-c.c
x86: Optimize strcspn and strpbrk in strcspn-c.c
x86: Code cleanup in strchr-evex and comment justifying branch
x86: Code cleanup in strchr-avx2 and comment justifying branch
x86_64: Remove bcopy optimizations
x86-64: Remove bzero weak alias in SS2 memset
x86_64/multiarch: Sort sysdep_routines and put one entry per line
x86: Improve L to support L(XXX_SYMBOL (YYY, ZZZ))
fortify: Ensure that __glibc_fortify condition is a constant [BZ #29141]