The following test timed out in the JDK18 CI:

java/nio/channels/Channels/TransferTo.java

Here's a snippet from the log file:

#section:testng
----------messages:(6/224)----------
command: testng TransferTo
reason: User specified action: run testng/othervm/timeout=180 TransferTo
Mode: othervm [/othervm specified]
Timeout information:
--- Timeout information end.
elapsed time (seconds): 741.449
----------configuration:(0/0)----------
----------System.out:(9/651)----------
Seed from RandomFactory = -2139475181596097368L
test TransferTo.testIllegalBlockingMode(): success
test TransferTo.testMoreThanTwoGB(): success
test TransferTo.testNullPointerException(TransferTo$2@4e95475, TransferTo$4@4d48f6ee): success
test TransferTo.testNullPointerException(TransferTo$2@4cfdf64b, TransferTo$5@2f9495d): success
test TransferTo.testNullPointerException(TransferTo$2@5f5b8bcd, TransferTo$6@7cb771c3): success
test TransferTo.testNullPointerException(TransferTo$3@5e2c68b1, TransferTo$1@19d223de): success
test TransferTo.testStreamContents(TransferTo$2@2d1e9e6d, TransferTo$4@409aa16b): success
Timeout refired 720 times
----------System.err:(0/0)----------
----------rerun:(40/5695)*----------


This failure happened in jdk-18+27-1900-tier2 which include the fix for:

JDK-8278166 java/nio/channels/Channels/TransferTo.java timed out