Issue #22009 has been updated by jhawthorn (John Hawthorn). Status changed from Open to Closed Assignee deleted (jhawthorn (John Hawthorn)) Oh! Looks like this was already fixed by https://github.com/ruby/ruby/pull/16792 ---------------------------------------- Bug #22009: ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned: with ASAN and DEBUG enabled build https://bugs.ruby-lang.org/issues/22009#change-117144 * Author: yahonda (Yasuo Honda) * Status: Closed * Backport: 3.3: UNKNOWN, 3.4: UNKNOWN, 4.0: UNKNOWN ---------------------------------------- ### Background I am using ruby-head built and deployed by https://github.com/ruby/ruby-dev-builder for my repository. https://github.com/rsim/oracle-enhanced/blob/master/.github/workflows/ruby_h... Recently, the `ruby-head` version has not been updated since `ruby 4.1.0dev (2026-03-29T05:57:51Z :detached: f9175a9e5f) +PRISM [aarch64-linux]`. According to the ruby-dev-builder log file: - The last successful build : https://github.com/ruby/ruby-dev-builder/actions/runs/23716940676 - The first failing build :https://github.com/ruby/ruby-dev-builder/actions/runs/23763490942 - The latest failing build : https://github.com/ruby/ruby-dev-builder/actions/runs/24686105004 ### Steps to reproduce ``` mkdir work cd work git clone https://github.com/ruby/ruby.git git clone https://github.com/ruby/ruby-dev-builder.git cd ruby ../ruby-dev-builder/asan_libs.rb \ --prefix=$HOME/.rubies/ruby-asan \ --cc=clang \ --cflags='-fsanitize=address -fno-omit-frame-pointer -ggdb3 -O3' \ --ldflags="-Wl,-rpath=$HOME/.rubies/ruby-asan/lib" \ --makeopts=-j4 export cppflags="-DENABLE_PATH_CHECK=0 -DRUBY_DEBUG=1 -DVM_CHECK_MODE=1 -DUSE_MN_THREADS=0" export optflags="-O3 -fno-omit-frame-pointer" export debugflags="-fsanitize=address -ggdb3" export CC=clang export cflags="-I$HOME/.rubies/ruby-asan/include" export LDFLAGS="-L$HOME/.rubies/ruby-asan/lib -Wl,-rpath=$HOME/.rubies/ruby-asan/lib" export RUBY_TEST_TIMEOUT_SCALE=5 ./autogen.sh ./configure --prefix=$HOME/.rubies/ruby-asan --enable-shared --disable-install-doc --enable-yjit make -j4 && make install make test-spec MSPECOPT="spec/ruby/library/objectspace/dump_all_spec.rb" 2>&1 | tee error.log ``` ### Expected behavior This spec should pass. ### Actual behavior It raises `ERROR: AddressSanitizer: attempting to call malloc_usable_size() for pointer which is not owned:` ---Files-------------------------------- error.log (1.69 MB) -- https://bugs.ruby-lang.org/