X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=WHATSNEW;h=147229e4911b4ca64b468a05657369f458f8de36;hb=84ebec6ceea997568c1711e7d810ad6bb3a96346;hp=d543336797e13340c0a1751d52705620867de2c0;hpb=8fe1f2d79b275b7f7fb0d41c99e379357df63cd9;p=musl

diff --git a/WHATSNEW b/WHATSNEW
index d5433367..147229e4 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -1776,3 +1776,304 @@ arch-specific bugs fixed:
 - wrong pread/pwrite syscall calling convention on sh
 - wrong preadv2/pwritev2 syscall numbers on x32
 - mrand48/jrand48 produced wrong-signedness results on 64-bit archs
+
+
+1.1.17 release notes
+
+new features:
+- RTLD_LAZY deferred symbol binding, functionally equivalent to lazy binding
+- safeguard against dlopen of multiple libc versions/instances
+- new posix_spawn flag POSIX_SPAWN_SETSID
+- posix_spawnattr_setflags now reports unknown flags as error
+- ldso option --argv0 to set argv[0]
+- added _NL_LOCALE_NAME extension to nl_langinfo
+
+compatibility:
+- dlopen local-to-global promotion no longer changes existing symbols
+- gettext now searches locale name variants for translation files
+- increased locale name length limit from 15 to 23 bytes
+- setlocale(LC_ALL, 0) returns single name if all categories are same
+- realloc no longer fails when mremap doesn't work
+- getservby* no longer treat numeric port strings as service records
+- mmap now works around incorrect EPERM error codes from kernel
+- impact of REG_* namespace pollution in x86[_64] signal.h is reduced
+- arm atomic asm now assembles correctly with new binutils
+- PAGE_SIZE on arm is no longer constant (quiet upstream ABI relaxation)
+- lsearch/lfind now pass args to compare callback in canonical order
+- STB_WEAK and STB_GNU_UNIQUE symbols now behave same as STB_GLOBAL
+- better clang CFLAGS checks in configure
+- global vis.h hack, which made lld refuse to link to libc.so, is disabled
+
+performance:
+- single-instruction optimized math functions for aarch64, s390x, powerpc64
+- fast path for ASCII in towupper/towlower
+- new mostly-integer-math fma function
+
+semantic bugs fixed:
+- POSIX-format TZ dst time transitions were wrong for southern hemisphere
+- regex REG_NEWLINE semantics were wrong with negated brackets
+- various bugs in strptime %j, %p, %C formats
+- iconv mapped some characters to legacy 8bit encodings incorrectly
+- glob failed to match "/"
+- UTF-8 decoder accepted invalid f4 9x xx xx code sequences
+- scanf %% conversion failed to consume whitespace
+- glob with GLOB_PERIOD wrongly descended into . and ..
+- nftw gave incorrect base name offset when pathname ends in "/"
+- functional regression in resolv.conf attempts option
+- scalbn could produce wrong result due to double rounding in subnormal range
+- strftime %y format wrong with negative years
+- mbsnrtowcs and wcsnrtombs mishandled input limits
+- minor issues with error codes for various functions
+
+safety/consistency bugs fixed:
+- stack-based buffer overflow in dns response processing
+- invalid free in regexec on certain error paths
+- invalid free in globfree after failed glob
+- one-byte buffer overflow in legacy getpass function
+- failed dlopen corrupted thread-local storage module list
+- race in pthread_create with priority attributes could leave signals masked
+- multithreaded set*id() functions could induce spurious EINTRs
+- dl_iterate_phdr reported wrong base address in static PIE
+- fd leak and wrong cancellation state after dns socket failure
+- memory leaks and other issues in environment-modification functions
+- read-after-free race in pthread_detach
+- memmem performed single-byte over-read in short-needle code paths
+- read via uninitialized pointer in gettext core
+- bindtextdomain broke bindings for all other domains
+- various silent undefined behavior
+- getopt clobbered optopt on success
+
+arch-specific bugs fixed:
+- x32 dynamic TLS accesses crashed
+- s390x was missing dlsym entry point (needed for RTLD_NEXT)
+- powerpc64 ldso startup could crash depending on link order
+- powerpc64 setjmp/longjmp didn't properly save/restore TOC pointer
+- thumb2 setjmp/longjmp silently broke at ld-time with text not aligned
+- fchown was broken on archs without SYS_fchown syscall
+- fstatat was broken on mips64
+- various incorrect constants in powerpc64 and mips headers
+
+
+1.1.18 release notes
+
+regression fixes:
+- glob failed to match literal . and .. path components
+- build for armv4t ISA level was broken
+
+other bug fixes:
+- stack overflow in posix_spawnp with large PATH variable in environment
+
+
+1.1.19 release notes
+
+new features:
+- iconv framework for processing stateful encodings
+- iconv support for iso-2022-jp
+- iconv support for converting to legacy JIS-based Japanese encodings
+- iconv support for UTF-16/32 with BOM-determined endianness
+- iconv ibm1047 (ebcdic latin1-equivalent) support
+- iconv cp866 (dos cyrillic) support
+- character data tables & case mappings updated to Unicode 10.0
+- fopencookie stdio extension
+- strftime padding character extensions
+- header-level support for new linux features through 4.13
+
+compatibility:
+- UTC timezone is now called UTC instead of GMT
+- _DIRENT_HAVE_D_* macros in dirent.h
+- dladdr dli_fbase definition now matches other implementations
+- pthread_getattr_np now reports guard size
+- strftime '+' modifier better matches apparent intent of POSIX
+- getopt_long handles long option names containing '='
+- better compatibility with linux uapi headers
+- workaround linux bug where getcwd can return non-absolute pathname
+- configure logic for finding compiler_rt with clang
+- execvp path search now continues after ENOTDIR components
+
+bugs fixed:
+- fgetwc failed when character crossed buffer boundary
+- memory corruption after failing to dlopen a second libc
+- sysconf reported infinite rlimits incorrectly
+- getopt_long --opt=arg did not work with partial matches
+- printf was wrong for alt-form octal with value 0, no explicit precision
+- endian errors in arpa/nameser.h and netinet/icmp6.h (missing endian.h)
+- atfork handler could clobber fork's errno
+- iconv could wrongly output surrogate pairs in ucs2
+- fmemopen buffer underallocation with extreme size argument
+- getaddrinfo AI_NUMERICSERV wrong error code
+- data race in at_quick_exit
+- ldd failed to honor rpath $ORIGIN for program in . without "./" prefix
+
+arch-specfic bugs fixed:
+- x32 unistd.h wrongly reported LP64 instead of ILP32
+- aarch64 signal.h had wrong type for ucontext_t uc_link member
+
+
+1.1.20 release notes
+
+new features:
+- m68k port
+- replacement of malloc is now allowed/supported
+- setvbuf now accepts caller-provided buffers for stdio streams
+- getrandom syscall wrapper, getentropy function
+- mlock2 syscall wrapper
+- memfd_create syscall wrapper
+- explicit_bzero function
+- header-level support for new linux features through 4.17
+- wcsftime now supports padding specifier extensions
+- dynamic linker's reclaim_gaps now works on fdpic archs
+- getaddrinfo now honors AI_ADDRCONFIG
+- pthread_attr_init now honors pthread_setattr_default_np defaults
+
+hardening:
+- prevent bypass of guarantee that suids start with fd 0/1/2 open
+- dlopen now rejects libraries with initial-exec refs to dynamic TLS
+
+compatibility:
+- elf.h: new flags, aux vector entry types, etc.
+- minor namespace issues in several headers
+- intNN_t types used in bitfields now safe against -funsigned-bitfields
+- complex arc trig/hyperbolic functions were badly broken
+- nice function returned wrong value
+- stdio locks no longer depend on read-after-free not faulting
+- avoid excessive stack usage in getcwd
+- inet_ntop no longer compresses single zeros in IPv6 (RFC 5952)
+- resolver routability probe for sorting results works on no-IPv6 systems
+- added missing ST_RELATIME definition to statvfs.h
+- uchar.h now works with old C++ profiles
+- added missing and arch-specific commands to ptrace.h
+- musl-gcc wrapper now works with default-pie host toolchains
+
+bugs fixed:
+- getopt wrongly treating colons in optstring as valid option chars
+- nl_langinfo_l(CODESET, loc) reported wrong locale's value
+- out-of-tree build produced broken crt files with stack protector enabled
+- fmaf produced wrong result for some corner cases
+- out of bounds write for zero length buffer passed to gethostname
+- getopt_long_only wrongly prefix-matched long-options over short ones
+- pthread_kill wrongly returned ESRCH for exited by valid pthread_t's
+- iconv buffer overflow converting to legacy JIS-based encodings
+- iconv conversion to "UTF-32" (no explicit endianness) failed (regression)
+- iconv mishandled big5-hkscs characters that map to two unicode chars
+- dynamic linker didn't map/clear bss for libraries with single LOAD segment
+- resolver wrongly duplicated trailing dot from query into canonical name
+- some futex waits omitted timeout arg to syscall, thereby spun on EFAULT
+- dladdr mishandled addresses not matching symbols
+- alignment of dirent structures from readdir was broken (regression)
+- strftime %z output wrong sign for offsets <1 hour west of UTC
+- limits.h, pathconf erroneously defined SYMLINK_MAX
+- FP_ILOGB0 and FP_ILOGBNAN definitions were not valid for use in #if
+- getopt failed to update optarg and optind correctly on missing argument
+- EMULTIHOP error lacked strerror text
+- mktime malfunctioned with tm_isdst>0 but no-DST POSIX-format time zone
+- async thread self-cancellation produced a deadlock condition
+- pthread_barrierattr_setpshared failed to produce EINVAL for bad argument
+- fileno failed to produce EBADF for non-fd-associated FILEs
+- fmemopen's w+ mode failed to truncate buffer at open
+- open_[w]memstream did not bind stream orientation at open time
+- system wrongly returned 0x7f00 instead of -1 on error
+- wide printf functions ignored field width for %c formats
+- fprintf failed to set stream orientation for unbuffered stream or no output
+- psignal, psiginfo, and perror wrongly set stream orientation for stderr
+- psignal, psiginfo potentially clobbered errno on success
+
+arch-specfic bugs fixed:
+- on arm/aarch64/sh, local-exec TLS layout mismatched ABI with large align
+- on arm/microblaze/sh, struct ipc_perm mismatched (buggy) kernel ABI
+- SO_PEERSEC definition was wrong on mips
+- on mips, return from start function passed to clone crashed (runaway exec)
+- printf %a precision specifier malfunctioned except on ld80 archs
+- async thread cancellation crashed on powerpc64 and sh-fdpic
+
+
+1.1.21 release notes
+
+new features:
+- setting default thread stack size via PT_GNU_STACK program header
+- arm vfork implementation
+- arm tlsdesc/gnu2 tls dialect support
+- name_to_handle_at and name_to_handle_at syscall wrappers
+- header-level support for new linux features through 4.18
+
+optimizations:
+- glob rewrite with much better performance and stack usage properties
+- single-threaded and already-locked fast paths for getc/putc variants
+- single-instruction fma implementations for arm, s390x, powerpc, & x86_64
+- single-instruction fabs and sqrt implementations for powerpc
+- size and performance from making all internal-only functions/data hidden
+- made &errno and pthread_self results cachable again (attribute((const)))
+- significant speedup in strtod with short inputs
+- new tsearch AVL tree implementation, smaller and faster
+- special-cased nop calls to wmemmove
+- fixed erroneously suboptimal skip conditions in strstr and memmem
+
+hardening:
+- default thread stack guard size increased from 4k to 8k
+
+compatibility:
+- default thread stack size increased from 80k to 128k
+- building for arm as thumb2 with clang internal assembler now works
+- aio threads could overflow stack on kernels that break MINSIGSTKSZ ABI
+- aio threads no longer call malloc (problematic with malloc replacement)
+- pthread_sigmask/sigprocmask now ignore an invalid how when not changing mask
+
+bugs fixed:
+- soft deadlock regression in stdio FILE locks with >2 threads contending
+- deadlock and buffered data loss race in fclose
+- race condition leading to possible crash in dcngettext plural forms
+- glob failed to see past searchable-but-unreadable path components
+- getdelim wrongly realloc'd buffer that was already exactly right size
+- getdelim failed to set stream orientation on early error
+- ttyname[_r] reported wrong error when given bad fd
+- pthread_key_delete left old tsd values exposed if slot was reused
+- freeaddrinfo failed to support freeing sublists
+- access to optopt was broken by copy relocations
+- memccpy returned wrong result if first byte past buffer end matched
+- wordexp read past end of input string ending in backslash
+- sem_wait and sem_timedwait were wrongly not interruptible by signals
+- getspnam[_r] wrongly treated not-found as an error
+
+arch-specfic bugs fixed:
+- soft deadlocks (missing futex wake) on powerpc locking
+- dlsym returned wrong address for thread-local symbols on ppc/mips/m68k
+
+
+1.1.22 release notes
+
+new features:
+- priority-inheritance mutexes
+- membarrier syscall, pre-registration to use it, fallback emulation
+- header-level support for new linux features in 4.19, 4.20, 5.0
+
+major internal changes:
+- complete, async-safe view of all existent threads as global list
+- robust __synccall based on new thread list
+- new dynamic TLS is installed synchronously at dlopen
+- TLSDESC resolver functions no longer make bad ABI assumptions to call C
+- resolved shared library dependencies are now recorded
+
+compatibility & conformance:
+- dependency-order shared library constructor execution
+- sigaltstack no longer rejects SS_AUTODISARM, future flags
+- FILE is now a complete (dummy) type in pre-C11 feature profiles
+- setvbuf reports failure on invalid arguments
+- TSVTX is exposed unconditionally in tar.h
+- multithreaded set*id() no longer depends on /proc
+- key slot reuse after pthread_key_delete no longer depends on /proc
+
+bugs fixed:
+- failures in multithreaded set*id() with concurrent thread creation/exit
+- interposed free was called from invalid/inconsistent contexts
+- freeaddrinfo performed invalid free of some partial results lists
+- dlsym dependency order search had false negatives and false positives
+- dn_skipname gave wrong results for labels with 8-bit content
+- dcngettext clobbered errno, often breaking printing of error messages
+- sscanf read past end of buffer under certain conditions (1.1.21 regression)
+- pthread_key_create spuriously failed under race condition (1.1.21 regression)
+- fdopendir wrongly succeeded with O_PATH file descriptors
+- gets behaved incorrectly in presence of null bytes
+- namespace violations in c11 tsd and mutex function dependencies
+- incorrect prototype for makecontext (unimplemented)
+
+arch-specfic bugs fixed:
+- s390x had wrong values for POSIX_FADV_DONTNEED/_NOREUSE