> When building with ubsan enabled (--enable-uban) on Linux x86_64 and doing > jtreg tests afterwards I run into this error : > > /jdk/src/java.base/unix/native/libjava/ProcessImpl_md.c:562:5: runtime error: > null pointer passed as argument 2, which is declared to never be null > #0 0x7fd95bec78d8 in spawnChild > /jdk/src/java.base/unix/native/libjava/ProcessImpl_md.c:562 > #1 0x7fd95bec78d8 in startChild > /jdk/src/java.base/unix/native/libjava/ProcessImpl_md.c:612 > #2 0x7fd95bec78d8 in Java_java_lang_ProcessImpl_forkAndExec > /jdk/src/java.base/unix/native/libjava/ProcessImpl_md.c:712 > #3 0x7fd93797a06d (<unknown module>) > > this is the memcpy call getting an unexpected null pointer : > memcpy(buf+offset, c->pdir, sp.dirlen); gets a second parameter null. > Something similar was discussed and fixed here > https://bugs.python.org/issue27570 for Python . > > Similar issue in OpenJDK _ > https://bugs.openjdk.org/browse/JDK-8332473 > 8332473: ubsan: growableArray.hpp:290:10: runtime error: null pointer passed > as argument 1, which is declared to never be null
Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision: handle special case that memcpy src is NULL but a len larger than 0 was given ------------- Changes: - all: https://git.openjdk.org/jdk/pull/19329/files - new: https://git.openjdk.org/jdk/pull/19329/files/b03ff0c5..aad00366 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=19329&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19329&range=01-02 Stats: 10 lines in 1 file changed: 7 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/19329.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/19329/head:pull/19329 PR: https://git.openjdk.org/jdk/pull/19329
