[jdk21u] RFR: 8038244: (fs) Check return value of malloc in Java_sun_nio_fs_AixNativeDispatcher_getmntctl()

[Matthias Baesken]

8038244: (fs) Check return value of malloc in Java_sun_nio_fs_AixNativeDispatcher_getmntctl()

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Commit messages:
 - Backport 6d6c9008d5c87631771e194f475b14e178d16322

Changes: https://git.openjdk.org/jdk21u/pull/271/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=271&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8038244
  Stats: 6 lines in 1 file changed: 4 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u/pull/271.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/271/head:pull/271

PR: https://git.openjdk.org/jdk21u/pull/271