Reported to libiberty developers: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85454
** Bug watch added: GCC Bugzilla #85454 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85454 ** Information type changed from Private Security to Public Security -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to binutils in Ubuntu. https://bugs.launchpad.net/bugs/1763102 Title: Multiple memory corruptions in objdump (binuitils-2.30-15ubuntu1) Status in binutils package in Ubuntu: New Bug description: Dear all, The following binutils objdump memory corruptions were found by a modified version of the kAFL fuzzer (https://github.com/RUB-SysSec/kAFL). I have attached the crashing inputs and each ASAN report. Steps to reproduce: Build current verison of binutils: ``` pull-lp-source binutils cd binutils-2.30 CC=clang CXX=clang++ CFLAGS="-fsanitize=address -fsanitize-recover=address -ggdb" CXXFLAGS="-fsanitize=address -fsanitize-recover=address -ggdb" LDFLAGS="-fsanitize=address" ./configure CC=clang CXX=clang++ CFLAGS="-fsanitize=address -fsanitize-recover=address -ggdb" CXXFLAGS="-fsanitize=address -fsanitize-recover=address -ggdb" LDFLAGS="-fsanitize=address" make ``` Run inputs under ASAN: ``` ASAN_OPTIONS=halt_on_error=false:allow_addr2line=true ./objdump --dwarf-check -C -g -f -dwarf -x $file ``` We can verify those issues for objdump binuitils-2.30-15ubuntu1 (Ubuntu 16.04.4 LTS / sources from "pull-lp-source bintuils"). Credits: Sergej Schumilo, Cornelius Aschermann (both of Ruhr- Universität Bochum) Best regards, Sergej Schumilo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1763102/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
