That commit fixed it for me; thanks! On Thu, Mar 5, 2015 at 12:03 PM GNU bug Tracking System < help-debbugs@gnu.org> wrote: > Your bug report > > #19959: master: `Backtrace after malloc arena is corrupted` causes > segfault during build > > which was filed against the emacs package, has been closed. > > The explanation is attached below, along with your original report. > If you require more details, please reply to 19980@debbugs.gnu.org. > > -- > 19959: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19959 > GNU Bug Tracking System > Contact help-debbugs@gnu.org with problems > > > > ---------- Forwarded message ---------- > From: Paul Eggert > To: Colin Baxter , emacs-devel@gnu.org > Cc: 19959-done@debbugs.gnu.org > Date: Thu, 05 Mar 2015 12:01:53 -0800 > Subject: Re: Segfault in master > On 03/05/2015 01:31 AM, Colin Baxter wrote: > > Patch worked for me. Thanks David. > > > > > > Thanks, I installed a (slightly different) patch as commit > cbc9d8d4269f2cca7950060b5e37747b27dac1de and am marking Emacs Bug#19959 > as fixed. I also filed a bug report with the glibc folks (glibc bug > 18084). > > > > > ---------- Forwarded message ---------- > From: Eric Hanchrow > To: bug-gnu-emacs@gnu.org > Cc: > Date: Mon, 02 Mar 2015 03:28:41 +0000 > Subject: master: `Backtrace after malloc arena is corrupted` causes > segfault during build > I built emacs from the "master" branch ofhttps:// > github.com/emacs-mirror/emacs. It failed as shown below. > > vagrant@vagrant-ubuntu-server-trusty-32:~/git-repositories/3rd-party/emacs$ > cat /etc/issue > Ubuntu 14.04.2 LTS \n \l > > vagrant@vagrant-ubuntu-server-trusty-32:~/git-repositories/3rd-party/emacs$ > uname -a > Linux vagrant-ubuntu-server-trusty-32 3.13.0-46-generic #76-Ubuntu SMP Thu > Feb 26 18:52:49 UTC 2015 i686 i686 i686 GNU/Linux > vagrant@vagrant-ubuntu-server-trusty-32:~/git-repositories/3rd-party/emacs$ > git show --stat > commit b74db6347cf5cac1ebd4c604fd5691c588fd8e32 > Author: Paul Eggert > Date: Tue Feb 24 16:34:13 2015 -0800 > > Backtrace after malloc arena is corrupted > > Without this change, if the malloc arena is corrupted and then > 'backtrace' is called, the backtrace can crash because 'backtrace' > calls 'malloc'. For more, please see: > https://sourceware.org/ml/libc-alpha/2015-02/msg00678.html > * emacs.c (main): Initialize tables used by 'backtrace'. > * sysdep.c (emacs_backtrace): Document the newly used part of the API. > > src/ChangeLog | 10 ++++++++++ > src/emacs.c | 2 ++ > src/sysdep.c | 12 +++++++++++- > 3 files changed, 23 insertions(+), 1 deletion(-) > > vagrant@vagrant-ubuntu-server-trusty-32:~/git-repositories/3rd-party/emacs$ > ./autogen.sh && ./configure --without-x && make > Checking whether you have the necessary tools... > (Read INSTALL.REPO for more details on building Emacs) > > Checking for autoconf (need at least version 2.65)... > ok > Checking for automake (need at least version 1.11)... > ok > Your system has the required tools. > Running 'autoreconf -fi -I m4' ... > configure.ac:756: installing 'build-aux/compile' > configure.ac:139: installing 'build-aux/config.guess' > configure.ac:139: installing 'build-aux/config.sub' > configure.ac:136: installing 'build-aux/install-sh' > configure.ac:136: installing 'build-aux/missing' > lib/Makefile.am: installing 'build-aux/depcomp' > You can now run './configure'. > checking for xcrun... no > checking for GNU Make... make > checking for a BSD-compatible install... /usr/bin/install -c > checking whether build environment is sane... yes > checking for a thread-safe mkdir -p... /bin/mkdir -p > checking for gawk... gawk > checking whether make supports nested variables... 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NONE > Where do we find X Windows libraries? NONE > Does Emacs use -lXaw3d? no > Does Emacs use -lXpm? no > Does Emacs use -ljpeg? no > Does Emacs use -ltiff? no > Does Emacs use a gif library? no > Does Emacs use a png library? no > Does Emacs use -lrsvg-2? no > Does Emacs use imagemagick? no > Does Emacs support sound? yes > Does Emacs use -lgpm? yes > Does Emacs use -ldbus? yes > Does Emacs use -lgconf? no > Does Emacs use GSettings? no > Does Emacs use a file notification library? yes -lgio (gfile) > Does Emacs use access control lists? no > Does Emacs use -lselinux? yes > Does Emacs use -lgnutls? yes > Does Emacs use -lxml2? yes > Does Emacs use -lfreetype? no > Does Emacs use -lm17n-flt? no > Does Emacs use -lotf? no > Does Emacs use -lxft? no > Does Emacs directly use zlib? yes > Does Emacs use toolkit scroll bars? no > > > checking that generated files are newer than configure... done > configure: creating ./config.status > config.status: creating ./doc/man/emacs.1 > config.status: creating Makefile > config.status: creating lib/Makefile > config.status: creating lib-src/Makefile > config.status: creating oldXMenu/Makefile > config.status: creating doc/emacs/Makefile > config.status: creating doc/misc/Makefile > config.status: creating doc/lispintro/Makefile > config.status: creating doc/lispref/Makefile > config.status: creating src/Makefile > config.status: creating lwlib/Makefile > config.status: creating lisp/Makefile > config.status: creating leim/Makefile > config.status: creating nextstep/Makefile > config.status: creating nt/Makefile > config.status: creating test/automated/Makefile > config.status: creating admin/unidata/Makefile > config.status: creating admin/grammars/Makefile > config.status: creating src/config.h > config.status: executing depfiles commands > config.status: executing src/epaths.h commands > config.status: executing src/.gdbinit commands > config.status: executing doc/emacs/emacsver.texi commands > config.status: executing etc-refcards-emacsver.tex commands > make -C lib all > make[1]: Entering directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib' > GEN alloca.h > GEN c++defs.h > GEN arg-nonnull.h > GEN warn-on-use.h > GEN dirent.h > GEN fcntl.h > GEN inttypes.h > GEN signal.h > GEN stdalign.h > GEN stddef.h > GEN stdio.h > GEN stdlib.h > GEN string.h > GEN sys/select.h > GEN sys/stat.h > GEN sys/time.h > GEN sys/types.h > GEN time.h > GEN unistd.h > make all-am > make[2]: Entering directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib' > CC allocator.o > CC binary-io.o > CC c-ctype.o > CC c-strcasecmp.o > CC c-strncasecmp.o > CC careadlinkat.o > CC close-stream.o > CC count-one-bits.o > CC count-trailing-zeros.o > CC md5.o > CC sha1.o > CC sha256.o > CC sha512.o > CC dtoastr.o > CC dtotimespec.o > CC filemode.o > CC gettime.o > CC pipe2.o > CC acl-errno-valid.o > CC file-has-acl.o > CC qcopy-acl.o > CC qset-acl.o > CC stat-time.o > CC strftime.o > CC timespec.o > CC timespec-add.o > CC timespec-sub.o > CC u64.o > CC unistd.o > CC utimens.o > CC openat-die.o > CC save-cwd.o > CC fcntl.o > CC sig2str.o > AR libgnu.a > make[2]: Leaving directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib' > make[1]: Leaving directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib' > make -C lib-src all > make[1]: Entering directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib-src' > CC regex.o > CCLD etags > CCLD ctags > CCLD emacsclient > CCLD ebrowse > CCLD profile > CC pop.o > CCLD movemail > CCLD hexl > CCLD update-game-score > CCLD make-docfile > make[1]: Leaving directory > `/home/vagrant/git-repositories/3rd-party/emacs/lib-src' > make -C src VCSWITNESS='$(srcdir)/../.git/logs/HEAD' all > make[1]: Entering directory > `/home/vagrant/git-repositories/3rd-party/emacs/src' > GEN globals.h > CC vm-limit.o > CC dispnew.o > CC frame.o > CC scroll.o > CC xdisp.o > CC menu.o > CC window.o > CC charset.o > CC coding.o > CC category.o > CC ccl.o > CC character.o > CC chartab.o > CC bidi.o > CC cm.o > CC term.o > CC terminal.o > CC xfaces.o > CC dbusbind.o > CC emacs.o > CC keyboard.o > CC macros.o > CC keymap.o > CC sysdep.o > CC buffer.o > CC filelock.o > CC insdel.o > CC marker.o > CC minibuf.o > CC fileio.o > CC dired.o > CC cmds.o > CC casetab.o > CC casefiddle.o > CC indent.o > CC search.o > CC regex.o > CC undo.o > CC alloc.o > CC data.o > GEN buildobj.h > CC doc.o > CC editfns.o > CC callint.o > CC eval.o > CC floatfns.o > CC fns.o > CC font.o > CC print.o > CC lread.o > CC syntax.o > CC unexelf.o > CC bytecode.o > CC process.o > CC gnutls.o > CC callproc.o > CC region-cache.o > CC sound.o > CC atimer.o > CC doprnt.o > CC intervals.o > CC textprop.o > CC composite.o > CC xml.o > CC gfilenotify.o > CC profiler.o > CC decompress.o > CC xgselect.o > CC terminfo.o > CC lastfile.o > CCLD temacs > /bin/mkdir -p ../etc > : paxctl -r temacs > : setfattr -n user.pax.flags -v er temacs > make -C ../lisp update-subdirs > make[2]: Entering directory > `/home/vagrant/git-repositories/3rd-party/emacs/lisp' > for file in `find . -type d -print`; do case $file in .*/cedet* | .*/leim* > ) ;; *) wins="$wins${wins:+ }$file" ;; esac; done; \ > for file in $wins; do \ > ./../build-aux/update-subdirs $file; \ > done; > make[2]: Leaving directory > `/home/vagrant/git-repositories/3rd-party/emacs/lisp' > ./temacs --batch --load loadup bootstrap > make[1]: *** [bootstrap-emacs] Segmentation fault (core dumped) > make[1]: Leaving directory > `/home/vagrant/git-repositories/3rd-party/emacs/src' > make: *** [src] Error 2 > vagrant@vagrant-ubuntu-server-trusty-32:~/git-repositories/3rd-party/emacs/src$ > gdb temacs > GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1 > Copyright (C) 2014 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later < > http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "i686-linux-gnu". > Type "show configuration" for configuration details. > For bug reporting instructions, please see: > . > Find the GDB manual and other documentation resources online at: > . > For help, type "help". > Type "apropos word" to search for commands related to "word"... > Reading symbols from temacs...done. > warning: File > "/home/vagrant/git-repositories/3rd-party/emacs/src/.gdbinit" auto-loading > has been declined by your `auto-load safe-path' set to > "$debugdir:$datadir/auto-load". > To enable execution of this file add > add-auto-load-safe-path > /home/vagrant/git-repositories/3rd-party/emacs/src/.gdbinit > line to your configuration file "/home/vagrant/.gdbinit". > To completely disable this security protection add > set auto-load safe-path / > line to your configuration file "/home/vagrant/.gdbinit". > For more information about this security protection see the > "Auto-loading safe path" section in the GDB manual. E.g., run from the > shell: > info "(gdb)Auto-loading safe path" > (gdb) run --batch --load loadup bootstrap > Starting program: > /home/vagrant/git-repositories/3rd-party/emacs/src/temacs --batch --load > loadup bootstrap > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". > process 8435 is executing new program: > /home/vagrant/git-repositories/3rd-party/emacs/src/temacs > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". > > Program received signal SIGSEGV, Segmentation fault. > __GI___backtrace (array=array@entry=0xbfffedcc, size=size@entry=0) at > ../sysdeps/i386/backtrace.c:141 > 141 ../sysdeps/i386/backtrace.c: No such file or directory. > (gdb) bt > #0 __GI___backtrace (array=array@entry=0xbfffedcc, size=size@entry=0) at > ../sysdeps/i386/backtrace.c:141 > #1 0x080ed543 in emacs_backtrace (backtrace_limit=backtrace_limit@entry=-1) > at sysdep.c:2177 > #2 0x0804f744 in main (argc=, argv=0xbffff6d4) at > emacs.c:887 > (gdb) > >