[jdk21u-dev] RFR: 8332589: ubsan: unix/native/libjava/ProcessImpl_md.c:562:5: runtime error: null pointer passed as argument 2, which is declared to never be null

[Matthias Baesken]

8332589: ubsan: unix/native/libjava/ProcessImpl_md.c:562:5: runtime error: null pointer passed as argument 2, which is declared to never be null

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Commit messages:
 - Backport 16dba04e8dfa871f8056480a42a9baeb24a2fb24

Changes: https://git.openjdk.org/jdk21u-dev/pull/677/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=677&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332589
  Stats: 12 lines in 1 file changed: 9 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/677.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/677/head:pull/677

PR: https://git.openjdk.org/jdk21u-dev/pull/677