| Age | Commit message (Collapse) | Author | Files | Lines |
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This synchronization method has a lower overhead and makes
it more likely that the signal arrives during one of the critical
functions.
Also test for fork deadlocks explicitly.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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The memusagestat is the only binary that has its own link line which
causes it to be linked against the existing installed C library. It
has been this way since it was originally committed in 1999, but I
don't see any reason as to why. Since we want all the programs we
build locally to be against the new copy of glibc, change the build
to be like all other programs.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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|
This one tests for BZ#23907 where the double free
test didn't check the tcache bin bounds before dereferencing
the bin.
[BZ #23907]
* malloc/tst-tcfree3.c: New.
* malloc/Makefile: Add it.
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* malloc/malloc.c (tcache_entry): Add key field.
(tcache_put): Set it.
(tcache_get): Likewise.
(_int_free): Check for double free in tcache.
* malloc/tst-tcfree1.c: New.
* malloc/tst-tcfree2.c: New.
* malloc/Makefile: Run the new tests.
* manual/probes.texi: Document memory_tcache_double_free probe.
* dlfcn/dlerror.c (check_free): Prevent double frees.
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malloc_stats means to disable cancellation for writes to stderr while
it runs, but it restores stderr->_flags2 with |= instead of =, so what
it actually does is disable cancellation on stderr permanently.
[BZ #22830]
* malloc/malloc.c (__malloc_stats): Restore stderr->_flags2
correctly.
* malloc/tst-malloc-stats-cancellation.c: New test case.
* malloc/Makefile: Add new test case.
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When posix_memalign is called with an alignment less than MALLOC_ALIGNMENT
and a requested size close to SIZE_MAX, it falls back to malloc code
(because the alignment of a block returned by malloc is sufficient to
satisfy the call). In this case, an integer overflow in _int_malloc leads
to posix_memalign incorrectly returning successfully.
Upon fixing this and writing a somewhat thorough regression test, it was
discovered that when posix_memalign is called with an alignment larger than
MALLOC_ALIGNMENT (so it uses _int_memalign instead) and a requested size
close to SIZE_MAX, a different integer overflow in _int_memalign leads to
posix_memalign incorrectly returning successfully.
Both integer overflows affect other memory allocation functions that use
_int_malloc (one affected malloc in x86) or _int_memalign as well.
This commit fixes both integer overflows. In addition to this, it adds a
regression test to guard against false successful allocations by the
following memory allocation functions when called with too-large allocation
sizes and, where relevant, various valid alignments:
malloc, realloc, calloc, reallocarray, memalign, posix_memalign,
aligned_alloc, valloc, and pvalloc.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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Replace = with += in CFLAGS-xxx.c and CPPFLAGS-xxx.c to allow Makefile
under sysdeps to define CFLAGS-xx.c and CPPFLAGS-xxx.c.
* argp/Makefile (CFLAGS-argp-help.c): Replace = with +=.
(CFLAGS-argp-parse.c): Likewise.
(CFLAGS-argp-fmtstream.c): Likewise.
* crypt/Makefile (CPPFLAGS-sha256-crypt.c): Likewise.
(CPPFLAGS-sha512-crypt.c): Likewise.
(CPPFLAGS-md5-crypt.c): Likewise.
* debug/Makefile (CFLAGS-stack_chk_fail.c): Likewise.
(CFLAGS-stack_chk_fail_local.c): Likewise.
(CFLAGS-backtrace.c): Likewise.
(CFLAGS-sprintf_chk.c): Likewise.
(CFLAGS-snprintf_chk.c): Likewise.
(CFLAGS-vsprintf_chk.c): Likewise.
(CFLAGS-vsnprintf_chk.c): Likewise.
(CFLAGS-asprintf_chk.c): Likewise.
(CFLAGS-vasprintf_chk.c): Likewise.
(CFLAGS-obprintf_chk.c): Likewise.
(CFLAGS-dprintf_chk.c): Likewise.
(CFLAGS-vdprintf_chk.c): Likewise.
(CFLAGS-printf_chk.c): Likewise.
(CFLAGS-fprintf_chk.c): Likewise.
(CFLAGS-vprintf_chk.c): Likewise.
(CFLAGS-vfprintf_chk.c): Likewise.
(CFLAGS-gets_chk.c): Likewise.
(CFLAGS-fgets_chk.c): Likewise.
(CFLAGS-fgets_u_chk.c): Likewise.
(CFLAGS-fread_chk.c): Likewise.
(CFLAGS-fread_u_chk.c): Likewise.
(CFLAGS-swprintf_chk.c): Likewise.
(CFLAGS-vswprintf_chk.c): Likewise.
(CFLAGS-wprintf_chk.c): Likewise.
(CFLAGS-fwprintf_chk.c): Likewise.
(CFLAGS-vwprintf_chk.c): Likewise.
(CFLAGS-vfwprintf_chk.c): Likewise.
(CFLAGS-fgetws_chk.c): Likewise.
(CFLAGS-fgetws_u_chk.c): Likewise.
(CFLAGS-read_chk.c): Likewise.
(CFLAGS-pread_chk.c): Likewise.
(CFLAGS-pread64_chk.c): Likewise.
(CFLAGS-recv_chk.c): Likewise.
(CFLAGS-recvfrom_chk.c): Likewise.
(CFLAGS-tst-longjmp_chk.c): Likewise.
(CPPFLAGS-tst-longjmp_chk.c): Likewise.
(CFLAGS-tst-longjmp_chk2.c): Likewise.
(CPPFLAGS-tst-longjmp_chk2.c): Likewise.
(CFLAGS-tst-longjmp_chk3.c): Likewise.
(CPPFLAGS-tst-longjmp_chk3.c): Likewise.
(CFLAGS-tst-chk1.c): Likewise.
(CFLAGS-tst-chk2.c): Likewise.
(CFLAGS-tst-chk3.c): Likewise.
(CFLAGS-tst-chk4.cc): Likewise.
(CFLAGS-tst-chk5.cc): Likewise.
(CFLAGS-tst-chk6.cc): Likewise.
(CFLAGS-tst-lfschk1.c): Likewise.
(CFLAGS-tst-lfschk2.c): Likewise.
(CFLAGS-tst-lfschk3.c): Likewise.
(CFLAGS-tst-lfschk4.cc): Likewise.
(CFLAGS-tst-lfschk5.cc): Likewise.
(CFLAGS-tst-lfschk6.cc): Likewise.
(CFLAGS-tst-ssp-1.c): Likewise.
* dirent/Makefile (CFLAGS-scandir.c): Likewise.
(CFLAGS-scandir64.c): Likewise.
(CFLAGS-scandir-tail.c): Likewise.
(CFLAGS-scandir64-tail.c): Likewise.
* elf/Makefile (CPPFLAGS-dl-tunables.c): Likewise.
(CFLAGS-dl-tunables.c): Likewise.
(CFLAGS-dl-runtime.c): Likewise.
(CFLAGS-dl-lookup.c): Likewise.
(CFLAGS-dl-iterate-phdr.c): Likewise.
(CFLAGS-vismain.c): Likewise.
(CFLAGS-tst-linkall-static.c): Likewise.
(CFLAGS-tst-linkall-static.c): Likewise.
(CPPFLAGS-dl-load.c): Likewise.
(CFLAGS-ldconfig.c): Likewise.
(CFLAGS-dl-cache.c): Likewise.
(CFLAGS-cache.c): Likewise.
(CFLAGS-rtld.c): Likewise.
(CFLAGS-multiload.c): Likewise.
(CFLAGS-filtmod1.c): Likewise.
(CFLAGS-tst-align.c): Likewise.
(CFLAGS-tst-align2.c): Likewise.
(CFLAGS-tst-alignmod.c): Likewise.
(CFLAGS-tst-alignmod2.c): Likewise.
(CPPFLAGS-tst-execstack.c): Likewise.
(CFLAGS-tst-ptrguard1-static.c): Likewise.
(CFLAGS-tst-latepthreadmod.c): Likewise.
* grp/Makefile (CFLAGS-getgrgid_r.c): Likewise.
(CFLAGS-getgrnam_r.c): Likewise.
(CFLAGS-getgrent_r.c): Likewise.
(CFLAGS-getgrent.c): Likewise.
(CFLAGS-fgetgrent.c): Likewise.
(CFLAGS-fgetgrent_r.c): Likewise.
(CFLAGS-putgrent.c): Likewise.
(CFLAGS-initgroups.c): Likewise.
(CFLAGS-getgrgid.c): Likewise.
* gshadow/Makefile (CFLAGS-getsgent_r.c): Likewise.
(CFLAGS-getsgent.c): Likewise.
(CFLAGS-fgetsgent.c): Likewise.
(CFLAGS-fgetsgent_r.c): Likewise.
(CFLAGS-putsgent.c): Likewise.
(CFLAGS-getsgnam.c): Likewise.
(CFLAGS-getsgnam_r.c): Likewise.
* iconv/Makefile (CFLAGS-iconv_prog.c): Likewise.
(CFLAGS-iconv_charmap.c): Likewise.
(CFLAGS-dummy-repertoire.c): Likewise.
(CFLAGS-charmap.c): Likewise.
(CFLAGS-linereader.c): Likewise.
(CFLAGS-simple-hash.c): Likewise.
(CFLAGS-gconv_conf.c): Likewise.
(CFLAGS-iconvconfig.c): Likewise.
* inet/Makefile (CFLAGS-gethstbyad_r.c): Likewise.
(CFLAGS-gethstbyad.c): Likewise.
(CFLAGS-gethstbynm_r.c): Likewise.
(CFLAGS-gethstbynm.c): Likewise.
(CFLAGS-gethstbynm2_r.c): Likewise.
(CFLAGS-gethstbynm2.c): Likewise.
(CFLAGS-gethstent_r.c): Likewise.
(CFLAGS-gethstent.c): Likewise.
(CFLAGS-rcmd.c): Likewise.
(CFLAGS-getnetbynm_r.c): Likewise.
(CFLAGS-getnetbynm.c): Likewise.
(CFLAGS-getnetbyad_r.c): Likewise.
(CFLAGS-getnetbyad.c): Likewise.
(CFLAGS-getnetent_r.c): Likewise.
(CFLAGS-getnetent.c): Likewise.
(CFLAGS-getaliasent_r.c): Likewise.
(CFLAGS-getaliasent.c): Likewise.
(CFLAGS-getrpcent_r.c): Likewise.
(CFLAGS-getrpcent.c): Likewise.
(CFLAGS-getservent_r.c): Likewise.
(CFLAGS-getservent.c): Likewise.
(CFLAGS-getprtent_r.c): Likewise.
(CFLAGS-getprtent.c): Likewise.
(CFLAGS-either_ntoh.c): Likewise.
(CFLAGS-either_hton.c): Likewise.
(CFLAGS-getnetgrent.c): Likewise.
(CFLAGS-getnetgrent_r.c): Likewise.
(CFLAGS-tst-checks-posix.c): Likewise.
(CFLAGS-tst-sockaddr.c): Likewise.
* intl/Makefile (CFLAGS-tst-gettext.c): Likewise.
(CFLAGS-tst-translit.c): Likewise.
(CFLAGS-tst-gettext2.c): Likewise.
(CFLAGS-tst-codeset.c): Likewise.
(CFLAGS-tst-gettext3.c): Likewise.
(CFLAGS-tst-gettext4.c): Likewise.
(CFLAGS-tst-gettext5.c): Likewise.
(CFLAGS-tst-gettext6.c): Likewise.
* io/Makefile (CFLAGS-open.c): Likewise.
(CFLAGS-open64.c): Likewise.
(CFLAGS-creat.c): Likewise.
(CFLAGS-creat64.c): Likewise.
(CFLAGS-fcntl.c): Likewise.
(CFLAGS-poll.c): Likewise.
(CFLAGS-ppoll.c): Likewise.
(CFLAGS-lockf.c): Likewise.
(CFLAGS-statfs.c): Likewise.
(CFLAGS-fstatfs.c): Likewise.
(CFLAGS-statvfs.c): Likewise.
(CFLAGS-fstatvfs.c): Likewise.
(CFLAGS-fts.c): Likewise.
(CFLAGS-fts64.c): Likewise.
(CFLAGS-ftw.c): Likewise.
(CFLAGS-ftw64.c): Likewise.
(CFLAGS-lockf.c): Likewise.
(CFLAGS-posix_fallocate.c): Likewise.
(CFLAGS-posix_fallocate64.c): Likewise.
(CFLAGS-fallocate.c): Likewise.
(CFLAGS-fallocate64.c): Likewise.
(CFLAGS-read.c): Likewise.
(CFLAGS-write.c): Likewise.
(CFLAGS-test-stat.c): Likewise.
(CFLAGS-test-lfs.c): Likewise.
* libio/Makefile (CFLAGS-fileops.c): Likewise.
(CFLAGS-fputc.c): Likewise.
(CFLAGS-fputwc.c): Likewise.
(CFLAGS-freopen64.c): Likewise.
(CFLAGS-freopen.c): Likewise.
(CFLAGS-fseek.c): Likewise.
(CFLAGS-fseeko64.c): Likewise.
(CFLAGS-fseeko.c): Likewise.
(CFLAGS-ftello64.c): Likewise.
(CFLAGS-ftello.c): Likewise.
(CFLAGS-fwide.c): Likewise.
(CFLAGS-genops.c): Likewise.
(CFLAGS-getc.c): Likewise.
(CFLAGS-getchar.c): Likewise.
(CFLAGS-getwc.c): Likewise.
(CFLAGS-getwchar.c): Likewise.
(CFLAGS-iofclose.c): Likewise.
(CFLAGS-iofflush.c): Likewise.
(CFLAGS-iofgetpos64.c): Likewise.
(CFLAGS-iofgetpos.c): Likewise.
(CFLAGS-iofgets.c): Likewise.
(CFLAGS-iofgetws.c): Likewise.
(CFLAGS-iofputs.c): Likewise.
(CFLAGS-iofputws.c): Likewise.
(CFLAGS-iofread.c): Likewise.
(CFLAGS-iofsetpos64.c): Likewise.
(CFLAGS-iofsetpos.c): Likewise.
(CFLAGS-ioftell.c): Likewise.
(CFLAGS-iofwrite.c): Likewise.
(CFLAGS-iogetdelim.c): Likewise.
(CFLAGS-iogetline.c): Likewise.
(CFLAGS-iogets.c): Likewise.
(CFLAGS-iogetwline.c): Likewise.
(CFLAGS-ioputs.c): Likewise.
(CFLAGS-ioseekoff.c): Likewise.
(CFLAGS-ioseekpos.c): Likewise.
(CFLAGS-iosetbuffer.c): Likewise.
(CFLAGS-iosetvbuf.c): Likewise.
(CFLAGS-ioungetc.c): Likewise.
(CFLAGS-ioungetwc.c): Likewise.
(CFLAGS-oldfileops.c): Likewise.
(CFLAGS-oldiofclose.c): Likewise.
(CFLAGS-oldiofgetpos64.c): Likewise.
(CFLAGS-oldiofgetpos.c): Likewise.
(CFLAGS-oldiofsetpos64.c): Likewise.
(CFLAGS-oldiofsetpos.c): Likewise.
(CFLAGS-peekc.c): Likewise.
(CFLAGS-putc.c): Likewise.
(CFLAGS-putchar.c): Likewise.
(CFLAGS-putwc.c): Likewise.
(CFLAGS-putwchar.c): Likewise.
(CFLAGS-rewind.c): Likewise.
(CFLAGS-wfileops.c): Likewise.
(CFLAGS-wgenops.c): Likewise.
(CFLAGS-oldiofopen.c): Likewise.
(CFLAGS-iofopen.c): Likewise.
(CFLAGS-iofopen64.c): Likewise.
(CFLAGS-oldtmpfile.c): Likewise.
(CFLAGS-tst_putwc.c): Likewise.
* locale/Makefile (CFLAGS-md5.c): Likewise.
(CFLAGS-charmap.c): Likewise.
(CFLAGS-locfile.c): Likewise.
(CFLAGS-charmap-dir.c): Likewise.
* login/Makefile (CFLAGS-grantpt.c): Likewise.
(CFLAGS-getpt.c): Likewise.
(CFLAGS-pt_chown.c): Likewise.
* malloc/Makefile (CFLAGS-mcheck-init.c): Likewise.
(CFLAGS-obstack.c): Likewise.
* math/Makefile (CFLAGS-test-tgmath3.c): Likewise.
(CFLAGS-test-double-vlen4-wrappers.c): Likewise.
(CFLAGS-test-double-vlen8-wrappers.c): Likewise.
(CFLAGS-test-float-vlen8-wrappers.c): Likewise.
(CFLAGS-test-float-vlen16-wrappers.c): Likewise.
(CFLAGS-test-tgmath.c): Likewise.
(CFLAGS-test-tgmath2.c): Likewise.
(CFLAGS-test-tgmath-ret.c): Likewise.
(CFLAGS-test-powl.c): Likewise.
(CFLAGS-test-snan.c): Likewise.
(CFLAGS-test-signgam-finite.c): Likewise.
(CFLAGS-test-signgam-finite-c99.c): Likewise.
(CFLAGS-test-signgam-finite-c11.c): Likewise.
(CFLAGS-test-signgam-uchar.c): Likewise.
(CFLAGS-test-signgam-uchar-init.c): Likewise.
(CFLAGS-test-signgam-uchar-static.c): Likewise.
(CFLAGS-test-signgam-uchar-init-static.c): Likewise.
(CFLAGS-test-signgam-uint.c): Likewise.
(CFLAGS-test-signgam-uint-init.c): Likewise.
(CFLAGS-test-signgam-uint-static.c): Likewise.
(CFLAGS-test-signgam-uint-init-static.c): Likewise.
(CFLAGS-test-signgam-ullong.c): Likewise.
(CFLAGS-test-signgam-ullong-init.c): Likewise.
(CFLAGS-test-signgam-ullong-static.c): Likewise.
(CFLAGS-test-signgam-ullong-init-static.c): Likewise.
(CFLAGS-test-math-cxx11.cc): Likewise.
(CFLAGS-test-math-isinff.cc): Likewise.
(CFLAGS-test-math-iszero.cc): Likewise.
(CFLAGS-test-math-issignaling.cc): Likewise.
(CFLAGS-test-math-iscanonical.cc): Likewise.
(CFLAGS-test-iszero-excess-precision.c): Likewise.
(CFLAGS-test-iseqsig-excess-precision.c): Likewise.
(CFLAGS-test-flt-eval-method.c): Likewise.
(CFLAGS-test-fe-snans-always-signal.c): Likewise.
(CFLAGS-test-finite-macros.c): Likewise.
* misc/Makefile (CFLAGS-select.c): Likewise.
(CFLAGS-tsearch.c): Likewise.
(CFLAGS-lsearch.c): Likewise.
(CFLAGS-pselect.c): Likewise.
(CFLAGS-readv.c): Likewise.
(CFLAGS-writev.c): Likewise.
(CFLAGS-preadv.c): Likewise.
(CFLAGS-preadv64.c): Likewise.
(CFLAGS-pwritev.c): Likewise.
(CFLAGS-pwritev64.c): Likewise.
(CFLAGS-preadv2.c): Likewise.
(CFLAGS-preadv64v2.c): Likewise.
(CFLAGS-pwritev2.c): Likewise.
(CFLAGS-pwritev64v2.c): Likewise.
(CFLAGS-usleep.c): Likewise.
(CFLAGS-syslog.c): Likewise.
(CFLAGS-error.c): Likewise.
(CFLAGS-getpass.c): Likewise.
(CFLAGS-mkstemp.c): Likewise.
(CFLAGS-mkstemp64.c): Likewise.
(CFLAGS-getsysstats.c): Likewise.
(CFLAGS-getusershell.c): Likewise.
(CFLAGS-err.c): Likewise.
(CFLAGS-tst-tsearch.c): Likewise.
(CFLAGS-msync.c): Likewise.
(CFLAGS-fdatasync.c): Likewise.
(CFLAGS-fsync.c): Likewise.
* nptl/Makefile (CFLAGS-nptl-init.c): Likewise.
(CFLAGS-unwind.c): Likewise.
(CFLAGS-unwind-forcedunwind.c): Likewise.
(CFLAGS-pthread_cancel.c): Likewise.
(CFLAGS-pthread_setcancelstate.c): Likewise.
(CFLAGS-pthread_setcanceltype.c): Likewise.
(CFLAGS-cancellation.c): Likewise.
(CFLAGS-libc-cancellation.c): Likewise.
(CFLAGS-pthread_exit.c): Likewise.
(CFLAGS-forward.c): Likewise.
(CFLAGS-pthread_testcancel.c): Likewise.
(CFLAGS-pthread_join.c): Likewise.
(CFLAGS-pthread_timedjoin.c): Likewise.
(CFLAGS-pthread_once.c): Likewise.
(CFLAGS-pthread_cond_wait.c): Likewise.
(CFLAGS-sem_wait.c): Likewise.
(CFLAGS-sem_timedwait.c): Likewise.
(CFLAGS-fcntl.c): Likewise.
(CFLAGS-lockf.c): Likewise.
(CFLAGS-pread.c): Likewise.
(CFLAGS-pread64.c): Likewise.
(CFLAGS-pwrite.c): Likewise.
(CFLAGS-pwrite64.c): Likewise.
(CFLAGS-wait.c): Likewise.
(CFLAGS-waitpid.c): Likewise.
(CFLAGS-sigwait.c): Likewise.
(CFLAGS-msgrcv.c): Likewise.
(CFLAGS-msgsnd.c): Likewise.
(CFLAGS-tcdrain.c): Likewise.
(CFLAGS-open.c): Likewise.
(CFLAGS-open64.c): Likewise.
(CFLAGS-pause.c): Likewise.
(CFLAGS-recv.c): Likewise.
(CFLAGS-send.c): Likewise.
(CFLAGS-accept.c): Likewise.
(CFLAGS-sendto.c): Likewise.
(CFLAGS-connect.c): Likewise.
(CFLAGS-recvfrom.c): Likewise.
(CFLAGS-recvmsg.c): Likewise.
(CFLAGS-sendmsg.c): Likewise.
(CFLAGS-close.c): Likewise.
(CFLAGS-read.c): Likewise.
(CFLAGS-write.c): Likewise.
(CFLAGS-nanosleep.c): Likewise.
(CFLAGS-sigsuspend.c): Likewise.
(CFLAGS-msync.c): Likewise.
(CFLAGS-fdatasync.c): Likewise.
(CFLAGS-fsync.c): Likewise.
(CFLAGS-pt-system.c): Likewise.
(CFLAGS-tst-cleanup2.c): Likewise.
(CFLAGS-tst-cleanupx2.c): Likewise.
(CFLAGS-flockfile.c): Likewise.
(CFLAGS-ftrylockfile.c): Likewise.
(CFLAGS-funlockfile.c): Likewise.
(CFLAGS-tst-initializers1.c): Likewise.
(CFLAGS-tst-initializers1-c89.c): Likewise.
(CFLAGS-tst-initializers1-c99.c): Likewise.
(CFLAGS-tst-initializers1-c11.c): Likewise.
(CFLAGS-tst-initializers1-gnu89.c): Likewise.
(CFLAGS-tst-initializers1-gnu99.c): Likewise.
(CFLAGS-tst-initializers1-gnu11.c): Likewise.
* nscd/Makefile (CFLAGS-nscd_getpw_r.c): Likewise.
(CFLAGS-nscd_getgr_r.c): Likewise.
(CFLAGS-nscd_gethst_r.c): Likewise.
(CFLAGS-nscd_getai.c): Likewise.
(CFLAGS-nscd_initgroups.c): Likewise.
* posix/Makefile (CFLAGS-getaddrinfo.c): Likewise.
(CFLAGS-pause.c): Likewise.
(CFLAGS-pread.c): Likewise.
(CFLAGS-pread64.c): Likewise.
(CFLAGS-pwrite.c): Likewise.
(CFLAGS-pwrite64.c): Likewise.
(CFLAGS-sleep.c): Likewise.
(CFLAGS-wait.c): Likewise.
(CFLAGS-waitid.c): Likewise.
(CFLAGS-waitpid.c): Likewise.
(CFLAGS-getopt.c): Likewise.
(CFLAGS-wordexp.c): Likewise.
(CFLAGS-sysconf.c): Likewise.
(CFLAGS-pathconf.c): Likewise.
(CFLAGS-fpathconf.c): Likewise.
(CFLAGS-spawn.c): Likewise.
(CFLAGS-spawnp.c): Likewise.
(CFLAGS-spawni.c): Likewise.
(CFLAGS-glob.c): Likewise.
(CFLAGS-glob64.c): Likewise.
(CFLAGS-getconf.c): Likewise.
(CFLAGS-nanosleep.c): Likewise.
* pwd/Makefile (CFLAGS-getpwent_r.c): Likewise.
(CFLAGS-getpwent.c): Likewise.
(CFLAGS-getpw.c): Likewise.
(CFLAGS-fgetpwent_r.c): Likewise.
* resolv/Makefile (CFLAGS-res_hconf.c): Likewise.
* rt/Makefile (CFLAGS-aio_suspend.c): Likewise.
(CFLAGS-mq_timedreceive.c): Likewise.
(CFLAGS-mq_timedsend.c): Likewise.
(CFLAGS-clock_nanosleep.c): Likewise.
(CFLAGS-librt-cancellation.c): Likewise.
* shadow/Makefile (CFLAGS-getspent_r.c): Likewise.
(CFLAGS-getspent.c): Likewise.
(CFLAGS-fgetspent.c): Likewise.
(CFLAGS-fgetspent_r.c): Likewise.
(CFLAGS-putspent.c): Likewise.
(CFLAGS-getspnam.c): Likewise.
(CFLAGS-getspnam_r.c): Likewise.
* signal/Makefile (CFLAGS-sigpause.c): Likewise.
(CFLAGS-sigsuspend.c): Likewise.
(CFLAGS-sigtimedwait.c): Likewise.
(CFLAGS-sigwait.c): Likewise.
(CFLAGS-sigwaitinfo.c): Likewise.
(CFLAGS-sigreturn.c): Likewise.
* stdio-common/Makefile (CFLAGS-vfprintf.c): Likewise.
(CFLAGS-vfwprintf.c): Likewise.
(CFLAGS-tmpfile.c): Likewise.
(CFLAGS-tmpfile64.c): Likewise.
(CFLAGS-tempname.c): Likewise.
(CFLAGS-psignal.c): Likewise.
(CFLAGS-vprintf.c): Likewise.
(CFLAGS-cuserid.c): Likewise.
(CFLAGS-errlist.c): Likewise.
(CFLAGS-siglist.c): Likewise.
(CFLAGS-scanf15.c): Likewise.
(CFLAGS-scanf17.c): Likewise.
* stdlib/Makefile (CFLAGS-bsearch.c): Likewise.
(CFLAGS-msort.c): Likewise.
(CFLAGS-qsort.c): Likewise.
(CFLAGS-system.c): Likewise.
(CFLAGS-fmtmsg.c): Likewise.
(CFLAGS-strfmon.c): Likewise.
(CFLAGS-strfmon_l.c): Likewise.
(CFLAGS-strfromd.c): Likewise.
(CFLAGS-strfromf.c): Likewise.
(CFLAGS-strfroml.c): Likewise.
(CFLAGS-tst-bsearch.c): Likewise.
(CFLAGS-tst-qsort.c): Likewise.
(CFLAGS-tst-makecontext2.c): Likewise.
* sunrpc/Makefile (CFLAGS-xbootparam_prot.c): Likewise.
(CFLAGS-xnlm_prot.c): Likewise.
(CFLAGS-xrstat.c): Likewise.
(CFLAGS-xyppasswd.c): Likewise.
(CFLAGS-xklm_prot.c): Likewise.
(CFLAGS-xrex.c): Likewise.
(CFLAGS-xsm_inter.c): Likewise.
(CFLAGS-xmount.c): Likewise.
(CFLAGS-xrusers.c): Likewise.
(CFLAGS-xspray.c): Likewise.
(CFLAGS-xnfs_prot.c): Likewise.
(CFLAGS-xrquota.c): Likewise.
(CFLAGS-xkey_prot.c): Likewise.
(CFLAGS-auth_unix.c): Likewise.
(CFLAGS-key_call.c): Likewise.
(CFLAGS-pmap_rmt.c): Likewise.
(CFLAGS-clnt_perr.c): Likewise.
(CFLAGS-openchild.c): Likewise.
* sysvipc/Makefile (CFLAGS-msgrcv.c): Likewise.
(CFLAGS-msgsnd.c): Likewise.
* termios/Makefile (CFLAGS-tcdrain.c): Likewise.
* time/Makefile (CFLAGS-tzfile.c): Likewise.
(CFLAGS-tzset.c): Likewise.
(CFLAGS-getdate.c): Likewise.
(CFLAGS-test_time.c): Likewise.
(CPPFLAGS-tst-tzname.c): Likewise.
* timezone/Makefile (CFLAGS-zdump.c): Likewise.
(CFLAGS-zic.c): Likewise.
* wcsmbs/Makefile (CFLAGS-wcwidth.c): Likewise.
(CFLAGS-wcswidth.c): Likewise.
(CFLAGS-wcstol.c): Likewise.
(CFLAGS-wcstoul.c): Likewise.
(CFLAGS-wcstoll.c): Likewise.
(CFLAGS-wcstoull.c): Likewise.
(CFLAGS-wcstod.c): Likewise.
(CFLAGS-wcstold.c): Likewise.
(CFLAGS-wcstof128.c): Likewise.
(CFLAGS-wcstof.c): Likewise.
(CFLAGS-wcstol_l.c): Likewise.
(CFLAGS-wcstoul_l.c): Likewise.
(CFLAGS-wcstoll_l.c): Likewise.
(CFLAGS-wcstoull_l.c): Likewise.
(CFLAGS-wcstod_l.c): Likewise.
(CFLAGS-wcstold_l.c): Likewise.
(CFLAGS-wcstof128_l.c): Likewise.
(CFLAGS-wcstof_l.c): Likewise.
(CPPFLAGS-tst-wchar-h.c): Likewise.
(CPPFLAGS-wcstold_l.c): Likewise.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
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Obtain the size information while the arena lock is acquired, and only
print it later.
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Otherwise, this will lead to a link failure because the reference
to mcheck is hidden.
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The malloc tcache added in 2.26 will leak all of the elements remaining
in the cache and the cache structure itself when a thread exits. The
defect is that we do not set tcache_shutting_down early enough, and the
thread simply recreates the tcache and places the elements back onto a
new tcache which is subsequently lost as the thread exits (unfreed
memory). The fix is relatively simple, move the setting of
tcache_shutting_down earlier in tcache_thread_freeres. We add a test
case which uses mallinfo and some heuristics to look for unaccounted for
memory usage between the start and end of a thread start/join loop. It
is very reliable at detecting that there is a leak given the number of
iterations. Without the fix the test will consume 122MiB of leaked
memory.
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* config.make.in: Enable experimental malloc option.
* configure.ac: Likewise.
* configure: Regenerate.
* manual/install.texi: Document it.
* INSTALL: Regenerate.
* malloc/Makefile: Likewise.
* malloc/malloc.c: Add per-thread cache (tcache).
(tcache_put): New.
(tcache_get): New.
(tcache_thread_freeres): New.
(tcache_init): New.
(__libc_malloc): Use cached chunks if available.
(__libc_free): Initialize tcache if needed.
(__libc_realloc): Likewise.
(__libc_calloc): Likewise.
(_int_malloc): Prefill tcache when appropriate.
(_int_free): Likewise.
(do_set_tcache_max): New.
(do_set_tcache_count): New.
(do_set_tcache_unsorted_limit): New.
* manual/probes.texi: Document new probes.
* malloc/arena.c: Add new tcache tunables.
* elf/dl-tunables.list: Likewise.
* manual/tunables.texi: Document them.
* NEWS: Mention the per-thread cache.
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This commit adds fixed-size allocation buffers. The primary use
case is in NSS modules, where dynamically sized data is stored
in a fixed-size buffer provided by the caller.
Other uses include a replacement of mempcpy cascades (which is
safer due to the size checking inherent to allocation buffers).
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They are already covered through the tests variable.
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This is intended as a type-safe alternative to obstacks and
hand-written realloc constructs. The implementation avoids
writing function pointers to the heap.
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The reallocarray function is an extension from OpenBSD. It is an
integer-overflow-safe replacement for realloc(p, X*Y) and
malloc(X*Y) (realloc(NULL, X*Y)). It can therefore help in preventing
certain security issues in code.
This is an updated version of a patch originally submitted by Rüdiger
Sonderfeld in May 2014 [1].
Checked on i686-linux-gnu and x86_64-linux-gnu.
[1] <https://sourceware.org/ml/libc-alpha/2014-05/msg00481.html>.
2017-05-30 Dennis Wölfing <denniswoelfing@gmx.de>
Rüdiger Sonderfeld <ruediger@c-plusplus.de>
* include/stdlib.h (__libc_reallocarray): New declaration.
* malloc/Makefile (routines): Add reallocarray.
(tests): Add tst-reallocarray.c.
* malloc/Versions: Add reallocarray and __libc_reallocarray.
* malloc/malloc-internal.h (check_mul_overflow_size_t): New inline
function.
* malloc/malloc.h (reallocarray): New declaration.
* stdlib/stdlib.h (reallocarray): Likewise.
* malloc/reallocarray.c: New file.
* malloc/tst-reallocarray.c: New test file.
* manual/memory.texi: Document reallocarray.
* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add reallocarray.
* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tilepro/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
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This patch adds a new build module called 'testsuite'.
IS_IN (testsuite) implies _ISOMAC, as do IS_IN_build and __cplusplus
(which means several ad-hoc tests for __cplusplus can go away).
libc-symbols.h now suppresses almost all of *itself* when _ISOMAC is
defined; in particular, _ISOMAC mode does not get config.h
automatically anymore.
There are still quite a few tests that need to see internal gunk of
one variety or another. For them, we now have 'tests-internal' and
'test-internal-extras'; files in this category will still be compiled
with MODULE_NAME=nonlib, and everything proceeds as it always has.
The bulk of this patch is moving tests from 'tests' to
'tests-internal'. There is also 'tests-static-internal', which has
the same effect on files in 'tests-static', and 'modules-names-tests',
which has the *inverse* effect on files in 'modules-names' (it's
inverted because most of the things in modules-names are *not* tests).
For both of these, the file must appear in *both* the new variable and
the old one.
There is also now a special case for when libc-symbols.h is included
without MODULE_NAME being defined at all. (This happens during the
creation of libc-modules.h, and also when preprocessing Versions
files.) When this happens, IS_IN is set to be always false and
_ISOMAC is *not* defined, which was the status quo, but now it's
explicit.
The remaining changes to C source files in this patch seemed likely to
cause problems in the absence of the main change. They should be
relatively self-explanatory. In a few cases I duplicated a definition
from an internal header rather than move the test to tests-internal;
this was a judgement call each time and I'm happy to change those
however reviewers feel is more appropriate.
* Makerules: New subdir configuration variables 'tests-internal'
and 'test-internal-extras'. Test files in these categories will
still be compiled with MODULE_NAME=nonlib. Test files in the
existing categories (tests, xtests, test-srcs, test-extras) are
now compiled with MODULE_NAME=testsuite.
New subdir configuration variable 'modules-names-tests'. Files
which are in both 'modules-names' and 'modules-names-tests' will
be compiled with MODULE_NAME=testsuite instead of
MODULE_NAME=extramodules.
(gen-as-const-headers): Move to tests-internal.
(do-tests-clean, common-mostlyclean): Support tests-internal.
* Makeconfig (built-modules): Add testsuite.
* Makefile: Change libof-check-installed-headers-c and
libof-check-installed-headers-cxx to 'testsuite'.
* Rules: Likewise. Support tests-internal.
* benchtests/strcoll-inputs/filelist#en_US.UTF-8:
Remove extra-modules.mk.
* config.h.in: Don't check for __OPTIMIZE__ or __FAST_MATH__ here.
* include/libc-symbols.h: Move definitions of _GNU_SOURCE,
PASTE_NAME, PASTE_NAME1, IN_MODULE, IS_IN, and IS_IN_LIB to the
very top of the file and rationalize their order.
If MODULE_NAME is not defined at all, define IS_IN to always be
false, and don't define _ISOMAC.
If any of IS_IN (testsuite), IS_IN_build, or __cplusplus are
true, define _ISOMAC and suppress everything else in this file,
starting with the inclusion of config.h.
Do check for inappropriate definitions of __OPTIMIZE__ and
__FAST_MATH__ here, but only if _ISOMAC is not defined.
Correct some out-of-date commentary.
* include/math.h: If _ISOMAC is defined, undefine NO_LONG_DOUBLE
and _Mlong_double_ before including math.h.
* include/string.h: If _ISOMAC is defined, don't expose
_STRING_ARCH_unaligned. Move a comment to a more appropriate
location.
* include/errno.h, include/stdio.h, include/stdlib.h, include/string.h
* include/time.h, include/unistd.h, include/wchar.h: No need to
check __cplusplus nor use __BEGIN_DECLS/__END_DECLS.
* misc/sys/cdefs.h (__NTHNL): New macro.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h
(__m81_defun): Use __NTHNL to avoid errors with GCC 6.
* elf/tst-env-setuid-tunables.c: Include config.h with _LIBC
defined, for HAVE_TUNABLES.
* inet/tst-checks-posix.c: No need to define _ISOMAC.
* intl/tst-gettext2.c: Provide own definition of N_.
* math/test-signgam-finite-c99.c: No need to define _ISOMAC.
* math/test-signgam-main.c: No need to define _ISOMAC.
* stdlib/tst-strtod.c: Convert to test-driver. Split locale_test to...
* stdlib/tst-strtod1i.c: ...this new file.
* stdlib/tst-strtod5.c: Convert to test-driver and add copyright notice.
Split tests of __strtod_internal to...
* stdlib/tst-strtod5i.c: ...this new file.
* string/test-string.h: Include stdint.h. Duplicate definition of
inhibit_loop_to_libcall here (from libc-symbols.h).
* string/test-strstr.c: Provide dummy definition of
libc_hidden_builtin_def when including strstr.c.
* sysdeps/ia64/fpu/libm-symbols.h: Suppress entire file in _ISOMAC
mode; no need to test __STRICT_ANSI__ nor __cplusplus as well.
* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
Don't include init-arch.h.
* elf/Makefile: Move tst-ptrguard1-static, tst-stackguard1-static,
tst-tls1-static, tst-tls2-static, tst-tls3-static, loadtest,
unload, unload2, circleload1, neededtest, neededtest2,
neededtest3, neededtest4, tst-tls1, tst-tls2, tst-tls3,
tst-tls6, tst-tls7, tst-tls8, tst-dlmopen2, tst-ptrguard1,
tst-stackguard1, tst-_dl_addr_inside_object, and all of the
ifunc tests to tests-internal.
Don't add $(modules-names) to test-extras.
* inet/Makefile: Move tst-inet6_scopeid_pton to tests-internal.
Add tst-deadline to tests-static-internal.
* malloc/Makefile: Move tst-mallocstate and tst-scratch_buffer to
tests-internal.
* misc/Makefile: Move tst-atomic and tst-atomic-long to tests-internal.
* nptl/Makefile: Move tst-typesizes, tst-rwlock19, tst-sem11,
tst-sem12, tst-sem13, tst-barrier5, tst-signal7, tst-tls3,
tst-tls3-malloc, tst-tls5, tst-stackguard1, tst-sem11-static,
tst-sem12-static, and tst-stackguard1-static to tests-internal.
Link tests-internal with libpthread also.
Don't add $(modules-names) to test-extras.
* nss/Makefile: Move tst-field to tests-internal.
* posix/Makefile: Move bug-regex5, bug-regex20, bug-regex33,
tst-rfc3484, tst-rfc3484-2, and tst-rfc3484-3 to tests-internal.
* stdlib/Makefile: Move tst-strtod1i, tst-strtod3, tst-strtod4,
tst-strtod5i, tst-tls-atexit, and tst-tls-atexit-nodelete to
tests-internal.
* sunrpc/Makefile: Move tst-svc_register to tests-internal.
* sysdeps/powerpc/Makefile: Move test-get_hwcap and
test-get_hwcap-static to tests-internal.
* sysdeps/unix/sysv/linux/Makefile: Move tst-setgetname to
tests-internal.
* sysdeps/x86_64/fpu/Makefile: Add all libmvec test modules to
modules-names-tests.
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cppflags-iterator.mk no longer has anything to do with CPPFLAGS; all
it does is set libof-$(foo) for a list of files. extra-modules.mk
does the same thing, but with a different input variable, and doesn't
let the caller control the module. Therefore, this patch gives
cppflags-iterator.mk a better name, removes extra-modules.mk, and
updates all uses of both.
* extra-modules.mk: Delete file.
* cppflags-iterator.mk: Rename to ...
* libof-iterator.mk: ...this. Adjust comments.
* Makerules, extra-lib.mk, benchtests/Makefile, elf/Makefile
* elf/rtld-Rules, iconv/Makefile, locale/Makefile, malloc/Makefile
* nscd/Makefile, sunrpc/Makefile, sysdeps/s390/Makefile:
Use libof-iterator.mk instead of cppflags-iterator.mk or
extra-modules. |
