Ilya Maximets <i.maxim...@ovn.org> writes: > Starting with image version 20240310.1.0, GitHub runners are using > 32-bit entropy for ASLR: > > $ sudo sysctl -a | grep vm.mmap.rnd > vm.mmap_rnd_bits = 32 > vm.mmap_rnd_compat_bits = 16 > > This breaks all the asan-enabled builds, because older asan gets > confused by memory mappings and crashes with segmentation fault. > > The issue is fixed in newer releases of llvm: > > https://github.com/llvm/llvm-project/commit/fb77ca05ffb4f8e666878f2f6718a9fb4d686839 > https://reviews.llvm.org/D148280 > > But these are not available in Ubuntu 22.04 image. > > This should be fixed by GitHub, but until new images are available > reducing ASLR entropy manually to 28 bits to make builds work. > > Reported-at: https://github.com/actions/runner-images/issues/9491 > Signed-off-by: Ilya Maximets <i.maxim...@ovn.org> > ---
Acked-by: Aaron Conole <acon...@redhat.com> We'll probably need something similar in other projects, too... What a mess.
