X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=WHATSNEW;h=b46e9ae15841a633f53f50fe66d9738654b4f338;hb=a0993f8f0f161423ecdcb754f282ffd2fe47a7b5;hp=fd2a593671a121917b47adde449b07f51f13a127;hpb=55df09bfccbfe21fc9dd7d8f94550c0ff25ace04;p=musl diff --git a/WHATSNEW b/WHATSNEW index fd2a5936..b46e9ae1 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -1907,3 +1907,211 @@ bugs fixed: 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 + + + +1.1.23 release notes + +new features: +- riscv64 port +- configure now allows customizing AR and RANLIB vars +- header-level support for new linux features in 5.1 + +major internal changes: +- removed extern __syscall; syscall header code is now fully self-contained + +performance: +- new math library implementation for log/exp/pow +- aarch64 dynamic tlsdesc function is streamlined + +compatibility & conformance: +- O_TTY_INIT is now defined +- sys/types.h no longer pollutes namespace with sys/sysmacros.h in any profile +- powerpc asm is now compatible with clang internal assembler + +changes for new POSIX interpretations: +- fgetwc now sets stream error indicator on encoding errors +- fmemopen no longer rejects 0 size + +bugs fixed: +- static TLS for shared libraries was allocated wrong on "Variant I" archs +- crash in dladdr reading through uninitialized pointer on non-match +- sigaltstack wrongly errored out on invalid ss_size when doing SS_DISABLE +- getdents function misbehaved with buffer length larger than INT_MAX +- set*id could deadlock after fork from multithreaded process + +arch-specfic bugs fixed: +- s390x SO_PEERSEC definition was wrong +- passing of 64-bit syscall arguments was broken on microblaze +- posix_fadvise was broken on mips due to missing 7-arg syscall support +- vrregset_t layout and member naming was wrong on powerpc64