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Date: Wed, 30 Aug 2017 19:53:55 +0000
From: Stefan Sedich <stefan.sedich@...il.com>
To: musl@...ts.openwall.com
Subject: Re: open issues
>
> list of issues since last release that don't seem to be resolved.
> first ones that looked like bugs to me, then other issues.
> list goes backward in time, some issues may be missed.
>
> bug:
> - update contributors in copyright file
> - fflush(0) does not lock f
> http://git.musl-libc.org/cgit/musl/tree/src/stdio/fflush.c#n12
> - getenv/setenv/putenv ub
> http://www.openwall.com/lists/musl/2017/08/21/1
> http://www.openwall.com/lists/musl/2016/03/13/7
> - fix ioctl on mips, add SIOCGSTAMPNS
> http://www.openwall.com/lists/musl/2017/08/13/4
> http://www.openwall.com/lists/musl/2017/08/13/5
> - ipc/ftok.c overflowing shift
> http://www.openwall.com/lists/musl/2017/08/12/5
> - __progname fallbacks so it's never 0
> http://www.openwall.com/lists/musl/2017/07/28/6
> - mbsnrtowcs and mbsnrtowcs confuses byte and wchar counts
> http://www.openwall.com/lists/musl/2017/08/09/1
> - memset ub because s[0] = s[0] = c
> http://www.openwall.com/lists/musl/2017/07/10/7
> http://www.openwall.com/lists/musl/2017/07/06/2
> - handle whitespace before %% in scanf
> http://www.openwall.com/lists/musl/2017/07/11/1
> - mips64 utime issue?
> "tar binary can't fix the modification/access times on any extracted
> symbolic links,"
> http://www.openwall.com/lists/musl/2017/07/06/1
> - oob reads in memmem (and signed << ub)
> http://www.openwall.com/lists/musl/2017/06/29/6
> - use-after-free in __unlock of pthread struct
> http://www.openwall.com/lists/musl/2017/06/01/7
> - newly created thread may run with signals blocked
> < sergei> there seems to be a race condition in pthread_create.c between
> lines 134 and 298
> < sergei> if line 298 is executed before 134 (assuming syscall returned
> 0), startlock will be overwritten with zero, the condition will be
> evaluated to false and __restore_sigs will not be executed
> < sergei> the newly created thread will run with all signals blocked
> < sergei> i have a patch that fixes the issue for me:
> https://pastebin.com/T5QSd0C9
> - scanf, wrong types in va_arg
> http://www.openwall.com/lists/musl/2017/04/10/3
> - missed underflow in fma
> http://www.openwall.com/lists/musl/2017/03/19/6
> new fma, depends on a_clz_64
> http://www.openwall.com/lists/musl/2017/04/23/10
> - fix nftw when called with paths ending in slash
> http://www.openwall.com/lists/musl/2017/03/07/1
> - fix syscall number differences compared to linux uapi
> http://www.openwall.com/lists/musl/2017/02/18/1
> - getservbyport(_r) should not report numeric ports
> http://www.openwall.com/lists/musl/2017/02/06/5
> - add s390x and powerpc64 to supported arches
> http://www.openwall.com/lists/musl/2017/02/01/2
> - define IPPORT_RESERVED in netinet/in.h and netdb.h
> http://www.openwall.com/lists/musl/2017/01/31/4
> - GLOB_PERIOD is inconsistent with glibc
> http://www.openwall.com/lists/musl/2017/01/12/5
> - mmap should not return EPERM when it means ENOMEM
> http://www.openwall.com/lists/musl/2017/01/12/1
> - getopt_long does not report failure correctly
> http://www.openwall.com/lists/musl/2017/01/07/4
> - make dlsym and reloc time lookup consistent
> http://www.openwall.com/lists/musl/2017/02/16/1
> - ldso ctor dependency ordering and recursive dlopen fix
> http://www.openwall.com/lists/musl/2017/01/03/6
> - align arm hwcap.h with glibc (nsz)
>
>
> feature request:
> - pending linux uapi updates: v4.10, v4.11, v4.12 (nsz)
> - non-thread-safe apis (gethostbyname) can detect some misuse and crash
> - avoid mmapping inaccessible parts of a binary as rx
> - syslog.h prioritynames compund literal causes problems
> http://www.openwall.com/lists/musl/2017/08/16/4
> - align fnmatch \ in bracket semantics with glibc
> http://www.openwall.com/lists/musl/2017/08/15/2
> - pthread_attr_init behaviour (to use whatever was set in
> pthread_setattr_default_np)
> http://www.openwall.com/lists/musl/2017/08/12/6
> - fix stdbool.h in c++ code?
> http://www.openwall.com/lists/musl/2017/07/28/1
> - add sysconf support for _SC_LEVEL1_DCACHE_LINESIZE
> http://www.openwall.com/lists/musl/2017/07/24/1
> - change GMT to UTC
> http://www.openwall.com/lists/musl/2017/07/22/2
> - [RFC PATCH 0/5] Add explicit_bzero, vectorize and 'normalize' various
> string functions
> http://www.openwall.com/lists/musl/2017/07/15/1
> - strlen variant without aliasing violation
> http://www.openwall.com/lists/musl/2017/07/10/6
> - |32 is not needed in (t|32) != 'c'
> http://www.openwall.com/lists/musl/2017/07/09/5
> - __malloc_donate instead of current hack in ldso
> http://www.openwall.com/lists/musl/2017/06/28/4
> - optimize __malloc0 to clear memory faster
> http://www.openwall.com/lists/musl/2017/06/26/1
> - code size optimize wmemcpy
> http://www.openwall.com/lists/musl/2017/06/25/10
> - [PATCH 0/8] the new __lock and follow up patches
> http://www.openwall.com/lists/musl/2017/06/23/2
> - more correct va_arg use in fcntl
> http://www.openwall.com/lists/musl/2017/06/21/16
> - use better name than index in __tz.c
> http://www.openwall.com/lists/musl/2017/06/11/12
> - use O_TMPFILE in tmpfile if possible
> http://www.openwall.com/lists/musl/2017/06/08/2
> - fix user.h so gdb builds cleanly on all targets
> http://www.openwall.com/lists/musl/2017/06/11/2
> - towlower performance
> http://www.openwall.com/lists/musl/2017/05/27/2
> - RES_OPTIONS support for resolv.conf options overriding
> http://www.openwall.com/lists/musl/2017/04/30/1
> related libc-alpha discussion
> http://sourceware.org/ml/libc-alpha/2017-08/msg01097.html
> - strptime %z %Z
> http://www.openwall.com/lists/musl/2017/04/19/1
> - add microMIPS32 support
> http://www.openwall.com/lists/musl/2017/05/31/2
> - IDNA support in name lookups
> http://www.openwall.com/lists/musl/2017/04/02/1
> - improve LIBCC detection in configure?
> http://www.openwall.com/lists/musl/2017/03/16/2
> - precise complex math
> http://www.openwall.com/lists/musl/2017/02/12/3
> - strtoul of width specifier clobbers errno in strftime
> http://www.openwall.com/lists/musl/2017/02/12/1
> - provide sgidefs.h on mips
> http://www.openwall.com/lists/musl/2017/02/04/2
> - add GLOB_TILDE support
> http://www.openwall.com/lists/musl/2017/01/20/4
> - crypt_blowfish: support $2b$ prefix
> http://www.openwall.com/lists/musl/2017/01/12/6
> - strftime _-0
> http://www.openwall.com/lists/musl/2017/01/06/1
> - static-pie relro
> < fabled> how does static pie musl libc init work?
> < fabled> the reason i ask is, that relro is not enabled then
> < fabled> it should do mprotect() for the relro area
> < nsz> ah i see if you have 'static int *const p = &x;' then that
> relative reloc should be in relro
> - fts64
> http://www.openwall.com/lists/musl/2016/11/23/1
> - REG_STARTEND
> http://www.openwall.com/lists/musl/2016/10/05/6
> - realpath without /proc
> http://www.openwall.com/lists/musl/2016/11/03/5
> - new tsearch
> http://www.openwall.com/lists/musl/2015/12/20/1
> - avoid readv in stdio with 0 length buffer because that's broken on /proc
> https://bugzilla.kernel.org/show_bug.cgi?id=195697
> - add fortify _chk functions
> - memchr optimization
>
- RES_OPTIONS support for resolv.conf options overriding
http://www.openwall.com/lists/musl/2017/04/30/1
I would love to sneak this one in if possible, has been sitting around for
a while and something that I want to be able to configure!
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