RFR: 8345676: [ubsan] ProcessImpl_md.c:561:40: runtime error: applying zero offset to null pointer on macOS aarch64

[Matthias Baesken]

When starting :tier1 jdk jtreg tests with
/jtreg_latest/bin/jtreg
this error is show when running ubsanized binaries on macOS aarch64 (XCode 13.1 and 15.4 show this)

src/java.base/unix/native/libjava/ProcessImpl_md.c:561:40: runtime error: applying zero offset to null pointer
    #0 0x102a6552c in startChild ProcessImpl_md.c:621
    #1 0x102a64480 in Java_java_lang_ProcessImpl_forkAndExec ProcessImpl_md.c:721
    #2 0x13f53c4fc (<unknown module>)
    #3 0x13f5387cc (<unknown module>)
    #4 0x13f53894c (<unknown module>)
    #5 0x13f5386dc (<unknown module>)
    #6 0x13f5386dc (<unknown module>)
    #7 0x13f5386dc (<unknown module>)
    #8 0x13f53894c (<unknown module>)
    #9 0x13f53894c (<unknown module>)
    #10 0x13f534110 (<unknown module>)
    #11 0x107de60e0 in JavaCalls::call_helper(JavaValue*, methodHandle const&, JavaCallArguments*, JavaThread*) javaCalls.cpp:416
    #12 0x107ebf778 in jni_invoke_static(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, JavaThread*) jni.cpp:885
    #13 0x107ec2778 in jni_CallStaticVoidMethod jni.cpp:1714
    #14 0x102e86210 in invokeStaticMainWithArgs java.c:392
    #15 0x102e884e8 in JavaMain java.c:640
    #16 0x102e8d79c in ThreadJavaMain java_md_macosx.m:679
    #17 0x19d38ef90 in _pthread_start+0x84 (libsystem_pthread.dylib:arm64e+0x6f90)
    #18 0x19d389d30 in thread_start+0x4 (libsystem_pthread.dylib:arm64e+0x1d30)

Looks similar to
https://www.reddit.com/r/C_Programming/comments/133oxnc/null_0_is_ub_this_is_not_what_you_would_expect/?rdt=41590
and
https://trac.ffmpeg.org/changeset/9c0b3eddf4262f9dcea479091f1307444e614e88/ffmpeg

-------------

Commit messages:
 - JDK-8345676

Changes: https://git.openjdk.org/jdk/pull/22910/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22910&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345676
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22910.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22910/head:pull/22910

PR: https://git.openjdk.org/jdk/pull/22910