- 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
projects / musl / blobdiff