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 = s = 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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