kernel-syms from home:adrianSuSE:crosstest project
Select Your Operating System
Add repository and install manually
For openSUSE 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:adrianSuSE:crosstest/openSUSE_15.3/home:adrianSuSE:crosstest.repo zypper refresh zypper install kernel-syms