The following test failed in the JDK20 CI:

applications/kitchensink/Kitchensink24HStress.java

Here's the crashing thread's stack:

--------------- T H R E A D ---------------

Current thread (0x0000020d52996260): JavaThread "SpecJvm2008BatchStressModule" [_thread_in_Java, id=5004, stack(0x0000002acca00000,0x0000002accb00000)]

Stack: [0x0000002acca00000,0x0000002accb00000], sp=0x0000002accaf9c50, free space=999k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C 0x0000020b3d38eced


siginfo: EXCEPTION_ACCESS_VIOLATION (0xc0000005), reading address 0xffffffffffffffff