diff options
Diffstat (limited to 'WHATSNEW')
| -rw-r--r-- | WHATSNEW | 151 |
1 files changed, 151 insertions, 0 deletions
@@ -2287,3 +2287,154 @@ arch-specific bugs fixed: - i386 __set_thread_area fallback for pre-2.6 kernels didn't work - missing O_LARGEFILE macro value on x86_64, x32, mips64 - unpredictable s390x breakage from failure to preserve call-saved registers + + + +1.2.3 release notes + +new features: +- qsort_r function (POSIX-future) +- pthread_getname_np extension function +- hard float on SPE FPU for powerpc-sf +- SEEK_DATA and SEEK_HOLE exposed in unistd.h (Linux extensions) + +compatibility: +- free now preserves errno (POSIX-future requirement) +- setjmp is declared explicitly with returns_twice for non-GCC compilers +- macro version of isascii is no longer defined for C++ +- dynamic linker now tolerates zero-length LOAD segments +- epoll_[p]wait is now a cancellation point +- pwd/grp functions no longer fail on systems without AF_UNIX support +- POSIX TZ parsing is stricter to allow more names to fallback to files +- NULL is now defined as nullptr when used in C++11 or later +- gettext now accepts null pointer as argument + +bugs fixed: +- old regression in wcwidth of Hangul combining (vowel/final) letters +- duplocale used wrong malloc when malloc was replaced (1.2.2 regression) +- fmaf rounded wrong on archs without FE_TOWARDZERO (all softfloat archs) +- popen didn't honor requirement not to leak other popen pipe fds to child +- aligned_alloc and variants crashed on allocation failure +- dl_iterate_phdr reported incorrect module TLS pointers +- mishandling of some inputs in acoshf and expm1f and functions using them +- potentially wrong-sign zero in cproj functions at infinity +- multiple bugs in legacy function cuserid +- minor posix_spawn file actions API conformance issues +- pthread_setname_np fd leak +- out-of-bound read in zoneinfo handling with distant-past times +- out-of-tree builds lacked generated debug cfi for x86 asm + +arch-specific bugs fixed: +- powerpc (32-bit) struct shmid_ds layout was wrong for some fields +- time64 struct layout was wrong in sound ioctl fallback (32-bit archs) + + + +1.2.4 release notes + +new features: +- large dns record lookups via tcp fallback +- new getaddrinfo EAI_NODATA result to distinguish NODATA/NxDomain +- support for new RELR compressed format for relative relocations +- sysconf keys for querying signal stack size requirements +- real vfork on riscv64 + +performance: +- mallocng no longer uses MADV_FREE (high performance cost, little gain) +- vdso clock_gettime is supported once again on 32-bit arm + +compatibility: +- gethostbyname family now distinguishes NO_DATA from HOST_NOT_FOUND +- res_send now works with caller-provided edns0 queries +- arpa/nameser.h RR types list is now up-to-date +- previously-missing POSIX confstr keys have been added +- mntent interfaces now accept missing fields +- alt signal stack, if any, is now used for internal signals +- the LFS64 macros are no longer exposed without _LARGEFILE64_SOURCE +- memmem (POSIX-future) is now exposed in default feature profile +- pthread_atfork now admits calls from an application-provided malloc +- debugger tracking of shared libraries now works on MIPS PIE binaries +- sendmsg now supports up to SCM_MAX_FD fds in SCM_RIGHTS messages + +bugs fixed: +- gethostbyname[2]_r wrongly returned nonzero (error) on negative result +- parallel v4/v6 address queries could fail on query id collisions +- spurious getaddrinfo/AI_ADDRCONFIG failures due to errno clobbering +- dns search domains ending in dot (including lone dot) broke lookups +- ipv6 servers in resolv.conf broke lookups on systems with v6 disabled +- systems with bindv6only failed to query both v4 and v6 nameservers +- res_mkquery mishandled consecutive final dots in name +- res_send could malfunction for very small answer buffer sizes +- resolver dns backend accepted answers with wrong (A vs AAAA) RR type +- getservbyport_r returned junk or ENOENT (vs ERANGE) on buffer size errors +- dns result parsing of malformed responses could process uninitialized data +- freopen didn't reset stream orientation (byte/wide) & encoding rule +- fwprintf didn't print most fields on open_wmemstream FILEs +- wide printf %lc ignored field width +- wide printf erroneously processed %n after encoding errors +- use of wide printf %9$ argument slot overflowed undersized buffer +- swprintf malfunctioned on nul character in output +- strverscmp ordered digit sequences vs nondigits incorrectly +- timer_create/SIGEV_THREAD failure leaked the thread +- semaphores were subject to missed-wake under certain usage patterns +- several possible rare deadlocks with lock handling at thread exit +- several possible rare deadlocks with aio and multithreaded fork +- dynamic linker relro processing was broken on archs w/variable pagesize +- async cancellation could run cancellation handlers in invalid context +- pthread_detach was wrongly a cancellation point in rare race code path +- use-after-close/double-close errors in mq_notify error paths +- mq_notify event thread wrongly ran with signals unmasked +- wcs{,n}cmp, wmemcmp returned wrong results when difference overflowed +- accept4, pipe2, and dup3 handled unknown flags wrong in fallback cases +- CPU_SETSIZE macro had wrong unit +- select fallback for pre-time64 kernels truncated timeout (vs clamping) + +arch-specific bugs fixed: +- x32 new socketcalls took fallback path due to pointer sign extension +- x32 wait4 didn't fill rusage structure (time64 regression) +- x32 semtimedop mismatched timespec ABI with kernel (time64 regression) +- sigaction signal mask was bogus on or1k, microblaze, mips, and riscv +- powerpc-sf longjmp asm clobbered value argument +- or1k poll function passed timeout to syscall in wrong form + + + +1.2.5 release notes + +new features: +- statx function (linux extension; via syscall and fallback using fstatat) +- clone function is now usable and gives _Fork-like consistency in child +- statvfs now provides f_type result +- preadv2 and pwritev2 (linux extension) syscall wrappers +- riscv64 TLSDESC support + +new ports: +- loongarch64 +- riscv32 + +compatibility: +- DNS resolver can now handle answers with long CNAME chains +- string.h no longer provides (C23-incompat) non-prototype decl of basename +- fstatat statx backend now matches stat syscall non-automounting behavior +- mntent interfaces now handle escaped whitespace in paths/options + +standards updates: +- printf %lc of nul wchar now produces output +- snprintf and swprintf no longer fail on n > INT_MAX +- ppoll is now exposed in default feature profile + +bugs fixed: +- some long DNS answers were wrongly rejected despite new TCP support +- glob could wrongly return GLOB_NOMATCH if aborted before any matches +- multithreaded set*id could malfunction from thread sequencing logic bug +- certain use of threads after fork could deadlock thread-list lock +- posix_spawn child could deadlock in race with async parent death +- mbrtowc return value was wrong if argument n exceeded UINT_MAX +- 80-bit extended acoshl and powl got some corner cases wrong +- syslog incorrectly generated localized timestamps + +arch-specific bugs fixed: +- arm (32-bit) TLSDESC malfunctioned due to addends being processed wrong +- riscv64 icache flush operation was non-functional +- sh sigsetjmp failed to properly restore call-saved register r8 on return +- sh dlsym RTLD_NEXT did not identify calling module correctly |