$ java --enable-native-access=ALL-UNNAMED -cp build/classes demo.Trap
ValueLayout.ADDRESS : byteSize=0
getString(0)        : IndexOutOfBoundsException, "No null terminator found..."
reinterpret(100)    : hello from C land
C_POINTER           : byteSize=9223372036854775807
getString(0)        : hello from C land

$ java --enable-native-access=ALL-UNNAMED -XX:ErrorFile=/tmp/jextract-hs_err.log -cp build/classes demo.NullText     # first lines of the crash banner
address=0 byteSize=9223372036854775807 equals(NULL)=true
about to call getString(0) on it
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f002fe4645d, pid=20843, tid=20844
#
# JRE version: OpenJDK Runtime Environment Temurin-25.0.5+8 (25.0.5+8) (build 25.0.5+8-LTS)
# Java VM: OpenJDK 64-Bit Server VM Temurin-25.0.5+8 (25.0.5+8-LTS, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
exit code: 134