There is an unnecessary use of strncpy in JDWP agent:

make[3]: *** [Lib-jdk.jdwp.agent.gmk:32: .../build/linux-x86_64-server-release/support/native/jdk.jdwp.agent/libdt_socket/socketTransport.o] Error 1
make[2]: *** [make/Main.gmk:211: jdk.jdwp.agent-libs] Error 2
make[2]: *** Waiting for unfinished jobs....

ERROR: Build failed for target 'default (exploded-image)' in configuration 'linux-x86_64-server-release' (exit code 2)
Stopping sjavac server

=== Output from failing command(s) repeated here ===
* For target support_native_jdk.jdwp.agent_libdt_socket_socketTransport.o:
In function 'parseAllowedPeers',
    inlined from 'socketTransport_setConfiguration' at .../src/jdk.jdwp.agent/share/native/libdt_socket/socketTransport.c:1177:23:
.../src/jdk.jdwp.agent/share/native/libdt_socket/socketTransport.c:514:5: error: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
     strncpy(buffer, allowed_peers, len);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.../src/jdk.jdwp.agent/share/native/libdt_socket/socketTransport.c: In function 'socketTransport_setConfiguration':
.../src/jdk.jdwp.agent/share/native/libdt_socket/socketTransport.c:1165:22: note: length computed here
         size_t len = strlen(allowed_peers);
                      ^~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

* All command lines available in .../build/linux-x86_64-server-release/make-support/failure-logs.
=== End of repeated output ===