jmx-dev RFR: 8347267: [macOS]: UnixOperatingSystem.c:67:40: runtime error: division by zero

Thu Jan 9 15:18:49 UTC 2025

When running ubsan-enabled binaries on macOS aarch64, in test
javax/management/MBeanServer/OldMBeanServerTest.java
the following division by zero is shown :
src/jdk.management/macosx/native/libmanagement_ext/UnixOperatingSystem.c:67:40: runtime error: division by zero
UndefinedBehaviorSanitizer:DEADLYSIGNAL
UndefinedBehaviorSanitizer: nested bug in the same thread, aborting.

We should add special handling for the case ` (total_delta == 0)` .

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Commit messages:
 - JDK-8347267

Changes: https://git.openjdk.org/jdk/pull/23010/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23010&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347267
  Stats: 4 lines in 1 file changed: 3 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23010.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23010/head:pull/23010

PR: https://git.openjdk.org/jdk/pull/23010