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[tor-bugs] #20424 [Core Tor/Tor]: Make test fails when --enable-openbsd-malloc is used
#20424: Make test fails when --enable-openbsd-malloc is used
--------------------------------+-----------------
Reporter: icanhasaccount | Owner:
Type: defect | Status: new
Priority: Low | Milestone:
Component: Core Tor/Tor | Version:
Severity: Minor | Keywords:
Actual Points: | Parent ID:
Points: | Reviewer:
Sponsor: |
--------------------------------+-----------------
When tor is built with --enable-openbsd-malloc running 'make test'
consumes 100% of the CPU. Attaching a debugger to the process shows it
looping forever in calloc (src/ext/OpenBSD_malloc_Linux.c). Changing from
-O2 to -O3 (or -O1) in the Makefile "fixes" (as in the tests run) the
issues so it seems to be a compiler bug.
Some more details:
Debian testing, x86_64
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 6.2.0-6'
--with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs --enable-
languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-6 --program-prefix=x86_64-linux-gnu- --enable-shared
--enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/
--enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes
--with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-
vtable-verify --enable-libmpx --enable-plugin --with-system-zlib
--disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-
java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre --enable-java-home
--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64 --with-jvm-jar-
dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64 --with-arch-
directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-
objc-gc --enable-multiarch --with-arch-32=i686 --with-abi=m64 --with-
multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-
checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 6.2.0 20161010 (Debian 6.2.0-6)
I've attached the output of objdump for the failing and working object
files, but I'm too stupid to debug it any further, so hopefully someone
more intelligent can.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20424>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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